blob: 9d48659e3b2867b56304cc5c4c205a6c4ba52286 [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Vladislav Zolotarov3359fce2010-02-17 13:35:01 -08003 * Copyright (c) 2007-2010 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
Eilon Greensteinca003922009-08-12 22:53:28 -070013 * Slowpath and fastpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020026#include <linux/interrupt.h>
27#include <linux/pci.h>
28#include <linux/init.h>
29#include <linux/netdevice.h>
30#include <linux/etherdevice.h>
31#include <linux/skbuff.h>
32#include <linux/dma-mapping.h>
33#include <linux/bitops.h>
34#include <linux/irq.h>
35#include <linux/delay.h>
36#include <asm/byteorder.h>
37#include <linux/time.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080040#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020041#include <net/ip.h>
42#include <net/tcp.h>
43#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070044#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <linux/workqueue.h>
46#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/prefetch.h>
49#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020050#include <linux/io.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000051#include <linux/stringify.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020052
Dmitry Kravkovb0efbb92010-07-27 12:33:43 +000053#define BNX2X_MAIN
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020054#include "bnx2x.h"
55#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070056#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000057#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000058#include "bnx2x_dcb.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020059
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include <linux/firmware.h>
61#include "bnx2x_fw_file_hdr.h"
62/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000063#define FW_FILE_VERSION \
64 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
65 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
66 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
67 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000068#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
69#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000070#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070071
Eilon Greenstein34f80b02008-06-23 20:33:01 -070072/* Time in jiffies before concluding the transmitter is hung */
73#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020074
Andrew Morton53a10562008-02-09 23:16:41 -080075static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070076 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020077 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
78
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070079MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000080MODULE_DESCRIPTION("Broadcom NetXtreme II "
81 "BCM57710/57711/57711E/57712/57712E Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082MODULE_LICENSE("GPL");
83MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000084MODULE_FIRMWARE(FW_FILE_NAME_E1);
85MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000086MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020087
Eilon Greenstein555f6c72009-02-12 08:36:11 +000088static int multi_mode = 1;
89module_param(multi_mode, int, 0);
Eilon Greensteinca003922009-08-12 22:53:28 -070090MODULE_PARM_DESC(multi_mode, " Multi queue mode "
91 "(0 Disable; 1 Enable (default))");
92
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000093int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000094module_param(num_queues, int, 0);
95MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
96 " (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +000097
Eilon Greenstein19680c42008-08-13 15:47:33 -070098static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -070099module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000100MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000101
102static int int_mode;
103module_param(int_mode, int, 0);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000104MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
105 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
Eilon Greensteina18f5122009-08-12 08:23:26 +0000107static int dropless_fc;
108module_param(dropless_fc, int, 0);
109MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
110
Eilon Greenstein9898f862009-02-12 08:38:27 +0000111static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200112module_param(poll, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000113MODULE_PARM_DESC(poll, " Use polling (for debug)");
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000114
115static int mrrs = -1;
116module_param(mrrs, int, 0);
117MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
118
Eilon Greenstein9898f862009-02-12 08:38:27 +0000119static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200120module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000121MODULE_PARM_DESC(debug, " Default debug msglevel");
122
Eilon Greenstein1cf167f2009-01-14 21:22:18 -0800123static struct workqueue_struct *bnx2x_wq;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200124
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000125#ifdef BCM_CNIC
126static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
127#endif
128
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200129enum bnx2x_board_type {
130 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700131 BCM57711 = 1,
132 BCM57711E = 2,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000133 BCM57712 = 3,
134 BCM57712E = 4
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200135};
136
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700137/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800138static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200139 char *name;
140} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700141 { "Broadcom NetXtreme II BCM57710 XGb" },
142 { "Broadcom NetXtreme II BCM57711 XGb" },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000143 { "Broadcom NetXtreme II BCM57711E XGb" },
144 { "Broadcom NetXtreme II BCM57712 XGb" },
145 { "Broadcom NetXtreme II BCM57712E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200146};
147
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000148#ifndef PCI_DEVICE_ID_NX2_57712
149#define PCI_DEVICE_ID_NX2_57712 0x1662
150#endif
151#ifndef PCI_DEVICE_ID_NX2_57712E
152#define PCI_DEVICE_ID_NX2_57712E 0x1663
153#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700154
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000155static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000156 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
157 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
158 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000159 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
160 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200161 { 0 }
162};
163
164MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
165
166/****************************************************************************
167* General service functions
168****************************************************************************/
169
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000170static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
171 u32 addr, dma_addr_t mapping)
172{
173 REG_WR(bp, addr, U64_LO(mapping));
174 REG_WR(bp, addr + 4, U64_HI(mapping));
175}
176
177static inline void __storm_memset_fill(struct bnx2x *bp,
178 u32 addr, size_t size, u32 val)
179{
180 int i;
181 for (i = 0; i < size/4; i++)
182 REG_WR(bp, addr + (i * 4), val);
183}
184
185static inline void storm_memset_ustats_zero(struct bnx2x *bp,
186 u8 port, u16 stat_id)
187{
188 size_t size = sizeof(struct ustorm_per_client_stats);
189
190 u32 addr = BAR_USTRORM_INTMEM +
191 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
192
193 __storm_memset_fill(bp, addr, size, 0);
194}
195
196static inline void storm_memset_tstats_zero(struct bnx2x *bp,
197 u8 port, u16 stat_id)
198{
199 size_t size = sizeof(struct tstorm_per_client_stats);
200
201 u32 addr = BAR_TSTRORM_INTMEM +
202 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
203
204 __storm_memset_fill(bp, addr, size, 0);
205}
206
207static inline void storm_memset_xstats_zero(struct bnx2x *bp,
208 u8 port, u16 stat_id)
209{
210 size_t size = sizeof(struct xstorm_per_client_stats);
211
212 u32 addr = BAR_XSTRORM_INTMEM +
213 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
214
215 __storm_memset_fill(bp, addr, size, 0);
216}
217
218
219static inline void storm_memset_spq_addr(struct bnx2x *bp,
220 dma_addr_t mapping, u16 abs_fid)
221{
222 u32 addr = XSEM_REG_FAST_MEMORY +
223 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
224
225 __storm_memset_dma_mapping(bp, addr, mapping);
226}
227
228static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
229{
230 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
231}
232
233static inline void storm_memset_func_cfg(struct bnx2x *bp,
234 struct tstorm_eth_function_common_config *tcfg,
235 u16 abs_fid)
236{
237 size_t size = sizeof(struct tstorm_eth_function_common_config);
238
239 u32 addr = BAR_TSTRORM_INTMEM +
240 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
241
242 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
243}
244
245static inline void storm_memset_xstats_flags(struct bnx2x *bp,
246 struct stats_indication_flags *flags,
247 u16 abs_fid)
248{
249 size_t size = sizeof(struct stats_indication_flags);
250
251 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
252
253 __storm_memset_struct(bp, addr, size, (u32 *)flags);
254}
255
256static inline void storm_memset_tstats_flags(struct bnx2x *bp,
257 struct stats_indication_flags *flags,
258 u16 abs_fid)
259{
260 size_t size = sizeof(struct stats_indication_flags);
261
262 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
263
264 __storm_memset_struct(bp, addr, size, (u32 *)flags);
265}
266
267static inline void storm_memset_ustats_flags(struct bnx2x *bp,
268 struct stats_indication_flags *flags,
269 u16 abs_fid)
270{
271 size_t size = sizeof(struct stats_indication_flags);
272
273 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
274
275 __storm_memset_struct(bp, addr, size, (u32 *)flags);
276}
277
278static inline void storm_memset_cstats_flags(struct bnx2x *bp,
279 struct stats_indication_flags *flags,
280 u16 abs_fid)
281{
282 size_t size = sizeof(struct stats_indication_flags);
283
284 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
285
286 __storm_memset_struct(bp, addr, size, (u32 *)flags);
287}
288
289static inline void storm_memset_xstats_addr(struct bnx2x *bp,
290 dma_addr_t mapping, u16 abs_fid)
291{
292 u32 addr = BAR_XSTRORM_INTMEM +
293 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
294
295 __storm_memset_dma_mapping(bp, addr, mapping);
296}
297
298static inline void storm_memset_tstats_addr(struct bnx2x *bp,
299 dma_addr_t mapping, u16 abs_fid)
300{
301 u32 addr = BAR_TSTRORM_INTMEM +
302 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
303
304 __storm_memset_dma_mapping(bp, addr, mapping);
305}
306
307static inline void storm_memset_ustats_addr(struct bnx2x *bp,
308 dma_addr_t mapping, u16 abs_fid)
309{
310 u32 addr = BAR_USTRORM_INTMEM +
311 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
312
313 __storm_memset_dma_mapping(bp, addr, mapping);
314}
315
316static inline void storm_memset_cstats_addr(struct bnx2x *bp,
317 dma_addr_t mapping, u16 abs_fid)
318{
319 u32 addr = BAR_CSTRORM_INTMEM +
320 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
321
322 __storm_memset_dma_mapping(bp, addr, mapping);
323}
324
325static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
326 u16 pf_id)
327{
328 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
329 pf_id);
330 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
331 pf_id);
332 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
333 pf_id);
334 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
335 pf_id);
336}
337
338static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
339 u8 enable)
340{
341 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
342 enable);
343 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
344 enable);
345 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
346 enable);
347 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
348 enable);
349}
350
351static inline void storm_memset_eq_data(struct bnx2x *bp,
352 struct event_ring_data *eq_data,
353 u16 pfid)
354{
355 size_t size = sizeof(struct event_ring_data);
356
357 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
358
359 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
360}
361
362static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
363 u16 pfid)
364{
365 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
366 REG_WR16(bp, addr, eq_prod);
367}
368
369static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
370 u16 fw_sb_id, u8 sb_index,
371 u8 ticks)
372{
373
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000374 int index_offset = CHIP_IS_E2(bp) ?
375 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000376 offsetof(struct hc_status_block_data_e1x, index_data);
377 u32 addr = BAR_CSTRORM_INTMEM +
378 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
379 index_offset +
380 sizeof(struct hc_index_data)*sb_index +
381 offsetof(struct hc_index_data, timeout);
382 REG_WR8(bp, addr, ticks);
383 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
384 port, fw_sb_id, sb_index, ticks);
385}
386static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
387 u16 fw_sb_id, u8 sb_index,
388 u8 disable)
389{
390 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000391 int index_offset = CHIP_IS_E2(bp) ?
392 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000393 offsetof(struct hc_status_block_data_e1x, index_data);
394 u32 addr = BAR_CSTRORM_INTMEM +
395 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
396 index_offset +
397 sizeof(struct hc_index_data)*sb_index +
398 offsetof(struct hc_index_data, flags);
399 u16 flags = REG_RD16(bp, addr);
400 /* clear and set */
401 flags &= ~HC_INDEX_DATA_HC_ENABLED;
402 flags |= enable_flag;
403 REG_WR16(bp, addr, flags);
404 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
405 port, fw_sb_id, sb_index, disable);
406}
407
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200408/* used only at init
409 * locking is done by mcp
410 */
stephen hemminger8d962862010-10-21 07:50:56 +0000411static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200412{
413 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
414 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
415 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
416 PCICFG_VENDOR_ID_OFFSET);
417}
418
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200419static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
420{
421 u32 val;
422
423 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
424 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
425 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
426 PCICFG_VENDOR_ID_OFFSET);
427
428 return val;
429}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200430
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000431#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
432#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
433#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
434#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
435#define DMAE_DP_DST_NONE "dst_addr [none]"
436
stephen hemminger8d962862010-10-21 07:50:56 +0000437static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
438 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000439{
440 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
441
442 switch (dmae->opcode & DMAE_COMMAND_DST) {
443 case DMAE_CMD_DST_PCI:
444 if (src_type == DMAE_CMD_SRC_PCI)
445 DP(msglvl, "DMAE: opcode 0x%08x\n"
446 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
447 "comp_addr [%x:%08x], comp_val 0x%08x\n",
448 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
449 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
450 dmae->comp_addr_hi, dmae->comp_addr_lo,
451 dmae->comp_val);
452 else
453 DP(msglvl, "DMAE: opcode 0x%08x\n"
454 "src [%08x], len [%d*4], dst [%x:%08x]\n"
455 "comp_addr [%x:%08x], comp_val 0x%08x\n",
456 dmae->opcode, dmae->src_addr_lo >> 2,
457 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
458 dmae->comp_addr_hi, dmae->comp_addr_lo,
459 dmae->comp_val);
460 break;
461 case DMAE_CMD_DST_GRC:
462 if (src_type == DMAE_CMD_SRC_PCI)
463 DP(msglvl, "DMAE: opcode 0x%08x\n"
464 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
465 "comp_addr [%x:%08x], comp_val 0x%08x\n",
466 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
467 dmae->len, dmae->dst_addr_lo >> 2,
468 dmae->comp_addr_hi, dmae->comp_addr_lo,
469 dmae->comp_val);
470 else
471 DP(msglvl, "DMAE: opcode 0x%08x\n"
472 "src [%08x], len [%d*4], dst [%08x]\n"
473 "comp_addr [%x:%08x], comp_val 0x%08x\n",
474 dmae->opcode, dmae->src_addr_lo >> 2,
475 dmae->len, dmae->dst_addr_lo >> 2,
476 dmae->comp_addr_hi, dmae->comp_addr_lo,
477 dmae->comp_val);
478 break;
479 default:
480 if (src_type == DMAE_CMD_SRC_PCI)
481 DP(msglvl, "DMAE: opcode 0x%08x\n"
482 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
483 "dst_addr [none]\n"
484 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
485 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
486 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
487 dmae->comp_val);
488 else
489 DP(msglvl, "DMAE: opcode 0x%08x\n"
490 DP_LEVEL "src_addr [%08x] len [%d * 4] "
491 "dst_addr [none]\n"
492 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
493 dmae->opcode, dmae->src_addr_lo >> 2,
494 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
495 dmae->comp_val);
496 break;
497 }
498
499}
500
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000501const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200502 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
503 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
504 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
505 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
506};
507
508/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000509void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200510{
511 u32 cmd_offset;
512 int i;
513
514 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
515 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
516 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
517
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700518 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
519 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200520 }
521 REG_WR(bp, dmae_reg_go_c[idx], 1);
522}
523
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000524u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
525{
526 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
527 DMAE_CMD_C_ENABLE);
528}
529
530u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
531{
532 return opcode & ~DMAE_CMD_SRC_RESET;
533}
534
535u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
536 bool with_comp, u8 comp_type)
537{
538 u32 opcode = 0;
539
540 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
541 (dst_type << DMAE_COMMAND_DST_SHIFT));
542
543 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
544
545 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
546 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
547 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
548 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
549
550#ifdef __BIG_ENDIAN
551 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
552#else
553 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
554#endif
555 if (with_comp)
556 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
557 return opcode;
558}
559
stephen hemminger8d962862010-10-21 07:50:56 +0000560static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
561 struct dmae_command *dmae,
562 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000563{
564 memset(dmae, 0, sizeof(struct dmae_command));
565
566 /* set the opcode */
567 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
568 true, DMAE_COMP_PCI);
569
570 /* fill in the completion parameters */
571 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
572 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
573 dmae->comp_val = DMAE_COMP_VAL;
574}
575
576/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000577static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
578 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000579{
580 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
581 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40;
582 int rc = 0;
583
584 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
585 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
586 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
587
588 /* lock the dmae channel */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800589 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000590
591 /* reset completion */
592 *wb_comp = 0;
593
594 /* post the command on the channel used for initializations */
595 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
596
597 /* wait for completion */
598 udelay(5);
599 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
600 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
601
602 if (!cnt) {
603 BNX2X_ERR("DMAE timeout!\n");
604 rc = DMAE_TIMEOUT;
605 goto unlock;
606 }
607 cnt--;
608 udelay(50);
609 }
610 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
611 BNX2X_ERR("DMAE PCI error!\n");
612 rc = DMAE_PCI_ERROR;
613 }
614
615 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
616 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
617 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
618
619unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800620 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000621 return rc;
622}
623
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700624void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
625 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200626{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000627 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700628
629 if (!bp->dmae_ready) {
630 u32 *data = bnx2x_sp(bp, wb_data[0]);
631
632 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
633 " using indirect\n", dst_addr, len32);
634 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
635 return;
636 }
637
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000638 /* set opcode and fixed command fields */
639 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000641 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000642 dmae.src_addr_lo = U64_LO(dma_addr);
643 dmae.src_addr_hi = U64_HI(dma_addr);
644 dmae.dst_addr_lo = dst_addr >> 2;
645 dmae.dst_addr_hi = 0;
646 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200647
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000648 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200649
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000650 /* issue the command and wait for completion */
651 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200652}
653
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700654void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200655{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000656 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700657
658 if (!bp->dmae_ready) {
659 u32 *data = bnx2x_sp(bp, wb_data[0]);
660 int i;
661
662 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
663 " using indirect\n", src_addr, len32);
664 for (i = 0; i < len32; i++)
665 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
666 return;
667 }
668
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000669 /* set opcode and fixed command fields */
670 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000672 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000673 dmae.src_addr_lo = src_addr >> 2;
674 dmae.src_addr_hi = 0;
675 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
676 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
677 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200678
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000679 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200680
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000681 /* issue the command and wait for completion */
682 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200683}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200684
stephen hemminger8d962862010-10-21 07:50:56 +0000685static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
686 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000687{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000688 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000689 int offset = 0;
690
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000691 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000692 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000693 addr + offset, dmae_wr_max);
694 offset += dmae_wr_max * 4;
695 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000696 }
697
698 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
699}
700
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700701/* used only for slowpath so not inlined */
702static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
703{
704 u32 wb_write[2];
705
706 wb_write[0] = val_hi;
707 wb_write[1] = val_lo;
708 REG_WR_DMAE(bp, reg, wb_write, 2);
709}
710
711#ifdef USE_WB_RD
712static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
713{
714 u32 wb_data[2];
715
716 REG_RD_DMAE(bp, reg, wb_data, 2);
717
718 return HILO_U64(wb_data[0], wb_data[1]);
719}
720#endif
721
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200722static int bnx2x_mc_assert(struct bnx2x *bp)
723{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200724 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700725 int i, rc = 0;
726 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700728 /* XSTORM */
729 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
730 XSTORM_ASSERT_LIST_INDEX_OFFSET);
731 if (last_idx)
732 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200733
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700734 /* print the asserts */
735 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200736
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700737 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
738 XSTORM_ASSERT_LIST_OFFSET(i));
739 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
740 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
741 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
742 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
743 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
744 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200745
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700746 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
747 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
748 " 0x%08x 0x%08x 0x%08x\n",
749 i, row3, row2, row1, row0);
750 rc++;
751 } else {
752 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200753 }
754 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700755
756 /* TSTORM */
757 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
758 TSTORM_ASSERT_LIST_INDEX_OFFSET);
759 if (last_idx)
760 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
761
762 /* print the asserts */
763 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
764
765 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
766 TSTORM_ASSERT_LIST_OFFSET(i));
767 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
768 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
769 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
770 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
771 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
772 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
773
774 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
775 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
776 " 0x%08x 0x%08x 0x%08x\n",
777 i, row3, row2, row1, row0);
778 rc++;
779 } else {
780 break;
781 }
782 }
783
784 /* CSTORM */
785 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
786 CSTORM_ASSERT_LIST_INDEX_OFFSET);
787 if (last_idx)
788 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
789
790 /* print the asserts */
791 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
792
793 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
794 CSTORM_ASSERT_LIST_OFFSET(i));
795 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
796 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
797 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
798 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
799 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
800 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
801
802 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
803 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
804 " 0x%08x 0x%08x 0x%08x\n",
805 i, row3, row2, row1, row0);
806 rc++;
807 } else {
808 break;
809 }
810 }
811
812 /* USTORM */
813 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
814 USTORM_ASSERT_LIST_INDEX_OFFSET);
815 if (last_idx)
816 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
817
818 /* print the asserts */
819 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
820
821 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
822 USTORM_ASSERT_LIST_OFFSET(i));
823 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
824 USTORM_ASSERT_LIST_OFFSET(i) + 4);
825 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
826 USTORM_ASSERT_LIST_OFFSET(i) + 8);
827 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
828 USTORM_ASSERT_LIST_OFFSET(i) + 12);
829
830 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
831 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
832 " 0x%08x 0x%08x 0x%08x\n",
833 i, row3, row2, row1, row0);
834 rc++;
835 } else {
836 break;
837 }
838 }
839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200840 return rc;
841}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800842
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200843static void bnx2x_fw_dump(struct bnx2x *bp)
844{
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000845 u32 addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200846 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000847 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200848 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000849 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000850 if (BP_NOMCP(bp)) {
851 BNX2X_ERR("NO MCP - can not dump\n");
852 return;
853 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000854
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000855 if (BP_PATH(bp) == 0)
856 trace_shmem_base = bp->common.shmem_base;
857 else
858 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
859 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000860 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000861 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
862 + ((mark + 0x3) & ~0x3) - 0x08000000;
Joe Perches7995c642010-02-17 15:01:52 +0000863 pr_err("begin fw dump (mark 0x%x)\n", mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864
Joe Perches7995c642010-02-17 15:01:52 +0000865 pr_err("");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000866 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200867 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000868 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200869 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000870 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200871 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000872 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200873 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000874 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200875 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000876 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200877 }
Joe Perches7995c642010-02-17 15:01:52 +0000878 pr_err("end of fw dump\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200879}
880
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000881void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200882{
883 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000884 u16 j;
885 struct hc_sp_status_block_data sp_sb_data;
886 int func = BP_FUNC(bp);
887#ifdef BNX2X_STOP_ON_ERROR
888 u16 start = 0, end = 0;
889#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200890
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700891 bp->stats_state = STATS_STATE_DISABLED;
892 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
893
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200894 BNX2X_ERR("begin crash dump -----------------\n");
895
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000896 /* Indices */
897 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000898 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000899 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000900 bp->def_idx, bp->def_att_idx,
901 bp->attn_state, bp->spq_prod_idx);
902 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
903 bp->def_status_blk->atten_status_block.attn_bits,
904 bp->def_status_blk->atten_status_block.attn_bits_ack,
905 bp->def_status_blk->atten_status_block.status_block_id,
906 bp->def_status_blk->atten_status_block.attn_bits_index);
907 BNX2X_ERR(" def (");
908 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
909 pr_cont("0x%x%s",
910 bp->def_status_blk->sp_sb.index_values[i],
911 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000912
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000913 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
914 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
915 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
916 i*sizeof(u32));
917
918 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
919 "pf_id(0x%x) vnic_id(0x%x) "
920 "vf_id(0x%x) vf_valid (0x%x)\n",
921 sp_sb_data.igu_sb_id,
922 sp_sb_data.igu_seg_id,
923 sp_sb_data.p_func.pf_id,
924 sp_sb_data.p_func.vnic_id,
925 sp_sb_data.p_func.vf_id,
926 sp_sb_data.p_func.vf_valid);
927
928
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000929 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000930 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000931 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000932 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000933 struct hc_status_block_data_e1x sb_data_e1x;
934 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000935 CHIP_IS_E2(bp) ?
936 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000937 sb_data_e1x.common.state_machine;
938 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000939 CHIP_IS_E2(bp) ?
940 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000941 sb_data_e1x.index_data;
942 int data_size;
943 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000944
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000945 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000946 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000947 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000948 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000949 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000950 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000951 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000952 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000953 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000954 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000955 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000956
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000957 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000958 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
959 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
960 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200961 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700962 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000963
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000964 loop = CHIP_IS_E2(bp) ?
965 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000966
967 /* host sb data */
968
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000969#ifdef BCM_CNIC
970 if (IS_FCOE_FP(fp))
971 continue;
972#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000973 BNX2X_ERR(" run indexes (");
974 for (j = 0; j < HC_SB_MAX_SM; j++)
975 pr_cont("0x%x%s",
976 fp->sb_running_index[j],
977 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
978
979 BNX2X_ERR(" indexes (");
980 for (j = 0; j < loop; j++)
981 pr_cont("0x%x%s",
982 fp->sb_index_values[j],
983 (j == loop - 1) ? ")" : " ");
984 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000985 data_size = CHIP_IS_E2(bp) ?
986 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000987 sizeof(struct hc_status_block_data_e1x);
988 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000989 sb_data_p = CHIP_IS_E2(bp) ?
990 (u32 *)&sb_data_e2 :
991 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000992 /* copy sb data in here */
993 for (j = 0; j < data_size; j++)
994 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
995 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
996 j * sizeof(u32));
997
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000998 if (CHIP_IS_E2(bp)) {
999 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1000 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1001 sb_data_e2.common.p_func.pf_id,
1002 sb_data_e2.common.p_func.vf_id,
1003 sb_data_e2.common.p_func.vf_valid,
1004 sb_data_e2.common.p_func.vnic_id,
1005 sb_data_e2.common.same_igu_sb_1b);
1006 } else {
1007 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1008 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1009 sb_data_e1x.common.p_func.pf_id,
1010 sb_data_e1x.common.p_func.vf_id,
1011 sb_data_e1x.common.p_func.vf_valid,
1012 sb_data_e1x.common.p_func.vnic_id,
1013 sb_data_e1x.common.same_igu_sb_1b);
1014 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001015
1016 /* SB_SMs data */
1017 for (j = 0; j < HC_SB_MAX_SM; j++) {
1018 pr_cont("SM[%d] __flags (0x%x) "
1019 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1020 "time_to_expire (0x%x) "
1021 "timer_value(0x%x)\n", j,
1022 hc_sm_p[j].__flags,
1023 hc_sm_p[j].igu_sb_id,
1024 hc_sm_p[j].igu_seg_id,
1025 hc_sm_p[j].time_to_expire,
1026 hc_sm_p[j].timer_value);
1027 }
1028
1029 /* Indecies data */
1030 for (j = 0; j < loop; j++) {
1031 pr_cont("INDEX[%d] flags (0x%x) "
1032 "timeout (0x%x)\n", j,
1033 hc_index_p[j].flags,
1034 hc_index_p[j].timeout);
1035 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001036 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001037
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001038#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001039 /* Rings */
1040 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001041 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001042 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001043
1044 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1045 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001046 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001047 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1048 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1049
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001050 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1051 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001052 }
1053
Eilon Greenstein3196a882008-08-13 15:58:49 -07001054 start = RX_SGE(fp->rx_sge_prod);
1055 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001056 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001057 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1058 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1059
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001060 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1061 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001062 }
1063
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001064 start = RCQ_BD(fp->rx_comp_cons - 10);
1065 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001066 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001067 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1068
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001069 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1070 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001071 }
1072 }
1073
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001074 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001075 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001076 struct bnx2x_fastpath *fp = &bp->fp[i];
1077
1078 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1079 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1080 for (j = start; j != end; j = TX_BD(j + 1)) {
1081 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1082
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001083 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1084 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001085 }
1086
1087 start = TX_BD(fp->tx_bd_cons - 10);
1088 end = TX_BD(fp->tx_bd_cons + 254);
1089 for (j = start; j != end; j = TX_BD(j + 1)) {
1090 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1091
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001092 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1093 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001094 }
1095 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001096#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001097 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001098 bnx2x_mc_assert(bp);
1099 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001100}
1101
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001102static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001103{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001104 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001105 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1106 u32 val = REG_RD(bp, addr);
1107 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001108 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001109
1110 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001111 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1112 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001113 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1114 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001115 } else if (msi) {
1116 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1117 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1118 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1119 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001120 } else {
1121 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001122 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001123 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1124 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001125
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001126 if (!CHIP_IS_E1(bp)) {
1127 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1128 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001129
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001130 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001131
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001132 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1133 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001134 }
1135
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001136 if (CHIP_IS_E1(bp))
1137 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1138
Eilon Greenstein8badd272009-02-12 08:36:15 +00001139 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1140 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001141
1142 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001143 /*
1144 * Ensure that HC_CONFIG is written before leading/trailing edge config
1145 */
1146 mmiowb();
1147 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001148
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001149 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001150 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001151 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001152 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001153 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001154 /* enable nig and gpio3 attention */
1155 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001156 } else
1157 val = 0xffff;
1158
1159 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1160 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1161 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001162
1163 /* Make sure that interrupts are indeed enabled from here on */
1164 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001165}
1166
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001167static void bnx2x_igu_int_enable(struct bnx2x *bp)
1168{
1169 u32 val;
1170 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1171 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1172
1173 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1174
1175 if (msix) {
1176 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1177 IGU_PF_CONF_SINGLE_ISR_EN);
1178 val |= (IGU_PF_CONF_FUNC_EN |
1179 IGU_PF_CONF_MSI_MSIX_EN |
1180 IGU_PF_CONF_ATTN_BIT_EN);
1181 } else if (msi) {
1182 val &= ~IGU_PF_CONF_INT_LINE_EN;
1183 val |= (IGU_PF_CONF_FUNC_EN |
1184 IGU_PF_CONF_MSI_MSIX_EN |
1185 IGU_PF_CONF_ATTN_BIT_EN |
1186 IGU_PF_CONF_SINGLE_ISR_EN);
1187 } else {
1188 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1189 val |= (IGU_PF_CONF_FUNC_EN |
1190 IGU_PF_CONF_INT_LINE_EN |
1191 IGU_PF_CONF_ATTN_BIT_EN |
1192 IGU_PF_CONF_SINGLE_ISR_EN);
1193 }
1194
1195 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1196 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1197
1198 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1199
1200 barrier();
1201
1202 /* init leading/trailing edge */
1203 if (IS_MF(bp)) {
1204 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1205 if (bp->port.pmf)
1206 /* enable nig and gpio3 attention */
1207 val |= 0x1100;
1208 } else
1209 val = 0xffff;
1210
1211 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1212 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1213
1214 /* Make sure that interrupts are indeed enabled from here on */
1215 mmiowb();
1216}
1217
1218void bnx2x_int_enable(struct bnx2x *bp)
1219{
1220 if (bp->common.int_block == INT_BLOCK_HC)
1221 bnx2x_hc_int_enable(bp);
1222 else
1223 bnx2x_igu_int_enable(bp);
1224}
1225
1226static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001227{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001228 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001229 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1230 u32 val = REG_RD(bp, addr);
1231
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001232 /*
1233 * in E1 we must use only PCI configuration space to disable
1234 * MSI/MSIX capablility
1235 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1236 */
1237 if (CHIP_IS_E1(bp)) {
1238 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1239 * Use mask register to prevent from HC sending interrupts
1240 * after we exit the function
1241 */
1242 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1243
1244 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1245 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1246 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1247 } else
1248 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1249 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1250 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1251 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001252
1253 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1254 val, port, addr);
1255
Eilon Greenstein8badd272009-02-12 08:36:15 +00001256 /* flush all outstanding writes */
1257 mmiowb();
1258
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001259 REG_WR(bp, addr, val);
1260 if (REG_RD(bp, addr) != val)
1261 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1262}
1263
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001264static void bnx2x_igu_int_disable(struct bnx2x *bp)
1265{
1266 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1267
1268 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1269 IGU_PF_CONF_INT_LINE_EN |
1270 IGU_PF_CONF_ATTN_BIT_EN);
1271
1272 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1273
1274 /* flush all outstanding writes */
1275 mmiowb();
1276
1277 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1278 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1279 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1280}
1281
stephen hemminger8d962862010-10-21 07:50:56 +00001282static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001283{
1284 if (bp->common.int_block == INT_BLOCK_HC)
1285 bnx2x_hc_int_disable(bp);
1286 else
1287 bnx2x_igu_int_disable(bp);
1288}
1289
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001290void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001291{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001292 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001293 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001294
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001295 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001296 atomic_inc(&bp->intr_sem);
Eilon Greensteine1510702009-07-21 05:47:41 +00001297 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1298
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001299 if (disable_hw)
1300 /* prevent the HW from sending interrupts */
1301 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001302
1303 /* make sure all ISRs are done */
1304 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001305 synchronize_irq(bp->msix_table[0].vector);
1306 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001307#ifdef BCM_CNIC
1308 offset++;
1309#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001310 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001311 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001312 } else
1313 synchronize_irq(bp->pdev->irq);
1314
1315 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001316 cancel_delayed_work(&bp->sp_task);
1317 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001318}
1319
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001320/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001321
1322/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001323 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001324 */
1325
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001326/* Return true if succeeded to acquire the lock */
1327static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1328{
1329 u32 lock_status;
1330 u32 resource_bit = (1 << resource);
1331 int func = BP_FUNC(bp);
1332 u32 hw_lock_control_reg;
1333
1334 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1335
1336 /* Validating that the resource is within range */
1337 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1338 DP(NETIF_MSG_HW,
1339 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1340 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001341 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001342 }
1343
1344 if (func <= 5)
1345 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1346 else
1347 hw_lock_control_reg =
1348 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1349
1350 /* Try to acquire the lock */
1351 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1352 lock_status = REG_RD(bp, hw_lock_control_reg);
1353 if (lock_status & resource_bit)
1354 return true;
1355
1356 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1357 return false;
1358}
1359
Michael Chan993ac7b2009-10-10 13:46:56 +00001360#ifdef BCM_CNIC
1361static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1362#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001363
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001364void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001365 union eth_rx_cqe *rr_cqe)
1366{
1367 struct bnx2x *bp = fp->bp;
1368 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1369 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001371 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001372 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001373 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001374 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001376 switch (command | fp->state) {
1377 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1378 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1379 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001380 break;
1381
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001382 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1383 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001384 fp->state = BNX2X_FP_STATE_HALTED;
1385 break;
1386
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001387 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1388 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1389 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001390 break;
1391
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001392 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001393 BNX2X_ERR("unexpected MC reply (%d) "
1394 "fp[%d] state is %x\n",
1395 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001396 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001397 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001398
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001399 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001400 atomic_inc(&bp->cq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001401 /* push the change in fp->state and towards the memory */
1402 smp_wmb();
1403
1404 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001405}
1406
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001407irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001408{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001409 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001410 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001411 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001412 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001414 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 if (unlikely(status == 0)) {
1416 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1417 return IRQ_NONE;
1418 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001419 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001420
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001421 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001422 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1423 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1424 return IRQ_HANDLED;
1425 }
1426
Eilon Greenstein3196a882008-08-13 15:58:49 -07001427#ifdef BNX2X_STOP_ON_ERROR
1428 if (unlikely(bp->panic))
1429 return IRQ_HANDLED;
1430#endif
1431
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001432 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001433 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001434
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001435 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001436 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001437 /* Handle Rx and Tx according to SB id */
1438 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001439 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001440 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001441 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001442 status &= ~mask;
1443 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001444 }
1445
Michael Chan993ac7b2009-10-10 13:46:56 +00001446#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001447 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001448 if (status & (mask | 0x1)) {
1449 struct cnic_ops *c_ops = NULL;
1450
1451 rcu_read_lock();
1452 c_ops = rcu_dereference(bp->cnic_ops);
1453 if (c_ops)
1454 c_ops->cnic_handler(bp->cnic_data, NULL);
1455 rcu_read_unlock();
1456
1457 status &= ~mask;
1458 }
1459#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001460
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001461 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001462 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001463
1464 status &= ~0x1;
1465 if (!status)
1466 return IRQ_HANDLED;
1467 }
1468
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001469 if (unlikely(status))
1470 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001471 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001472
1473 return IRQ_HANDLED;
1474}
1475
1476/* end of fast path */
1477
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001478
1479/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001480
1481/*
1482 * General service functions
1483 */
1484
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001485int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001486{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001487 u32 lock_status;
1488 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001489 int func = BP_FUNC(bp);
1490 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001491 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001492
1493 /* Validating that the resource is within range */
1494 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1495 DP(NETIF_MSG_HW,
1496 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1497 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1498 return -EINVAL;
1499 }
1500
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001501 if (func <= 5) {
1502 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1503 } else {
1504 hw_lock_control_reg =
1505 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1506 }
1507
Eliezer Tamirf1410642008-02-28 11:51:50 -08001508 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001509 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001510 if (lock_status & resource_bit) {
1511 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1512 lock_status, resource_bit);
1513 return -EEXIST;
1514 }
1515
Eilon Greenstein46230472008-08-25 15:23:30 -07001516 /* Try for 5 second every 5ms */
1517 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001518 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001519 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1520 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001521 if (lock_status & resource_bit)
1522 return 0;
1523
1524 msleep(5);
1525 }
1526 DP(NETIF_MSG_HW, "Timeout\n");
1527 return -EAGAIN;
1528}
1529
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001530int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001531{
1532 u32 lock_status;
1533 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001534 int func = BP_FUNC(bp);
1535 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001536
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001537 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1538
Eliezer Tamirf1410642008-02-28 11:51:50 -08001539 /* Validating that the resource is within range */
1540 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1541 DP(NETIF_MSG_HW,
1542 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1543 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1544 return -EINVAL;
1545 }
1546
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001547 if (func <= 5) {
1548 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1549 } else {
1550 hw_lock_control_reg =
1551 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1552 }
1553
Eliezer Tamirf1410642008-02-28 11:51:50 -08001554 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001555 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001556 if (!(lock_status & resource_bit)) {
1557 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1558 lock_status, resource_bit);
1559 return -EFAULT;
1560 }
1561
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001562 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001563 return 0;
1564}
1565
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001566
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001567int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1568{
1569 /* The GPIO should be swapped if swap register is set and active */
1570 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1571 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1572 int gpio_shift = gpio_num +
1573 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1574 u32 gpio_mask = (1 << gpio_shift);
1575 u32 gpio_reg;
1576 int value;
1577
1578 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1579 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1580 return -EINVAL;
1581 }
1582
1583 /* read GPIO value */
1584 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1585
1586 /* get the requested pin value */
1587 if ((gpio_reg & gpio_mask) == gpio_mask)
1588 value = 1;
1589 else
1590 value = 0;
1591
1592 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1593
1594 return value;
1595}
1596
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001597int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001598{
1599 /* The GPIO should be swapped if swap register is set and active */
1600 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001601 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001602 int gpio_shift = gpio_num +
1603 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1604 u32 gpio_mask = (1 << gpio_shift);
1605 u32 gpio_reg;
1606
1607 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1608 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1609 return -EINVAL;
1610 }
1611
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001612 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001613 /* read GPIO and mask except the float bits */
1614 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1615
1616 switch (mode) {
1617 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1618 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1619 gpio_num, gpio_shift);
1620 /* clear FLOAT and set CLR */
1621 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1622 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1623 break;
1624
1625 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1626 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1627 gpio_num, gpio_shift);
1628 /* clear FLOAT and set SET */
1629 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1630 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1631 break;
1632
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001633 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001634 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1635 gpio_num, gpio_shift);
1636 /* set FLOAT */
1637 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1638 break;
1639
1640 default:
1641 break;
1642 }
1643
1644 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001645 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001646
1647 return 0;
1648}
1649
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001650int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1651{
1652 /* The GPIO should be swapped if swap register is set and active */
1653 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1654 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1655 int gpio_shift = gpio_num +
1656 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1657 u32 gpio_mask = (1 << gpio_shift);
1658 u32 gpio_reg;
1659
1660 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1661 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1662 return -EINVAL;
1663 }
1664
1665 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1666 /* read GPIO int */
1667 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1668
1669 switch (mode) {
1670 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1671 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1672 "output low\n", gpio_num, gpio_shift);
1673 /* clear SET and set CLR */
1674 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1675 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1676 break;
1677
1678 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1679 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1680 "output high\n", gpio_num, gpio_shift);
1681 /* clear CLR and set SET */
1682 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1683 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1684 break;
1685
1686 default:
1687 break;
1688 }
1689
1690 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1691 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1692
1693 return 0;
1694}
1695
Eliezer Tamirf1410642008-02-28 11:51:50 -08001696static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1697{
1698 u32 spio_mask = (1 << spio_num);
1699 u32 spio_reg;
1700
1701 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1702 (spio_num > MISC_REGISTERS_SPIO_7)) {
1703 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1704 return -EINVAL;
1705 }
1706
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001707 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001708 /* read SPIO and mask except the float bits */
1709 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1710
1711 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001712 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001713 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1714 /* clear FLOAT and set CLR */
1715 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1716 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1717 break;
1718
Eilon Greenstein6378c022008-08-13 15:59:25 -07001719 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001720 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1721 /* clear FLOAT and set SET */
1722 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1723 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1724 break;
1725
1726 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1727 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1728 /* set FLOAT */
1729 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1730 break;
1731
1732 default:
1733 break;
1734 }
1735
1736 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001737 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001738
1739 return 0;
1740}
1741
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001742int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
1743{
1744 u32 sel_phy_idx = 0;
1745 if (bp->link_vars.link_up) {
1746 sel_phy_idx = EXT_PHY1;
1747 /* In case link is SERDES, check if the EXT_PHY2 is the one */
1748 if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
1749 (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
1750 sel_phy_idx = EXT_PHY2;
1751 } else {
1752
1753 switch (bnx2x_phy_selection(&bp->link_params)) {
1754 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
1755 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
1756 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
1757 sel_phy_idx = EXT_PHY1;
1758 break;
1759 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
1760 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
1761 sel_phy_idx = EXT_PHY2;
1762 break;
1763 }
1764 }
1765 /*
1766 * The selected actived PHY is always after swapping (in case PHY
1767 * swapping is enabled). So when swapping is enabled, we need to reverse
1768 * the configuration
1769 */
1770
1771 if (bp->link_params.multi_phy_config &
1772 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
1773 if (sel_phy_idx == EXT_PHY1)
1774 sel_phy_idx = EXT_PHY2;
1775 else if (sel_phy_idx == EXT_PHY2)
1776 sel_phy_idx = EXT_PHY1;
1777 }
1778 return LINK_CONFIG_IDX(sel_phy_idx);
1779}
1780
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001781void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001782{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001783 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001784 switch (bp->link_vars.ieee_fc &
1785 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001786 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001787 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001788 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001789 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001790
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001791 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001792 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001793 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001794 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001795
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001796 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001797 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001798 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001799
Eliezer Tamirf1410642008-02-28 11:51:50 -08001800 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001801 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001802 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001803 break;
1804 }
1805}
1806
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001807u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001808{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001809 if (!BP_NOMCP(bp)) {
1810 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001811 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1812 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001813 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001814 /* It is recommended to turn off RX FC for jumbo frames
1815 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001816 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001817 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001818 else
David S. Millerc0700f92008-12-16 23:53:20 -08001819 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001820
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001821 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001822
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001823 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001824 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001825 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1826 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001827
Eilon Greenstein19680c42008-08-13 15:47:33 -07001828 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001829
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001830 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001831
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001832 bnx2x_calc_fc_adv(bp);
1833
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001834 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1835 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001836 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001837 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001838 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001839 return rc;
1840 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001841 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001842 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001843}
1844
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001845void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001846{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001847 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001848 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001849 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001850 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001851 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001852
Eilon Greenstein19680c42008-08-13 15:47:33 -07001853 bnx2x_calc_fc_adv(bp);
1854 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001855 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001856}
1857
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001858static void bnx2x__link_reset(struct bnx2x *bp)
1859{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001860 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001861 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001862 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001863 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001864 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001865 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001866}
1867
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001868u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001869{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001870 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001871
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001872 if (!BP_NOMCP(bp)) {
1873 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001874 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1875 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001876 bnx2x_release_phy_lock(bp);
1877 } else
1878 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001879
1880 return rc;
1881}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001882
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001883static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001884{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001885 u32 r_param = bp->link_vars.line_speed / 8;
1886 u32 fair_periodic_timeout_usec;
1887 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001888
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001889 memset(&(bp->cmng.rs_vars), 0,
1890 sizeof(struct rate_shaping_vars_per_port));
1891 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001892
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001893 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1894 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001895
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001896 /* this is the threshold below which no timer arming will occur
1897 1.25 coefficient is for the threshold to be a little bigger
1898 than the real time, to compensate for timer in-accuracy */
1899 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001900 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1901
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001902 /* resolution of fairness timer */
1903 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1904 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1905 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001906
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001907 /* this is the threshold below which we won't arm the timer anymore */
1908 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001909
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001910 /* we multiply by 1e3/8 to get bytes/msec.
1911 We don't want the credits to pass a credit
1912 of the t_fair*FAIR_MEM (algorithm resolution) */
1913 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1914 /* since each tick is 4 usec */
1915 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001916}
1917
Eilon Greenstein2691d512009-08-12 08:22:08 +00001918/* Calculates the sum of vn_min_rates.
1919 It's needed for further normalizing of the min_rates.
1920 Returns:
1921 sum of vn_min_rates.
1922 or
1923 0 - if all the min_rates are 0.
1924 In the later case fainess algorithm should be deactivated.
1925 If not all min_rates are zero then those that are zeroes will be set to 1.
1926 */
1927static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1928{
1929 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001930 int vn;
1931
1932 bp->vn_weight_sum = 0;
1933 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001934 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001935 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1936 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1937
1938 /* Skip hidden vns */
1939 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1940 continue;
1941
1942 /* If min rate is zero - set it to 1 */
1943 if (!vn_min_rate)
1944 vn_min_rate = DEF_MIN_RATE;
1945 else
1946 all_zero = 0;
1947
1948 bp->vn_weight_sum += vn_min_rate;
1949 }
1950
1951 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001952 if (all_zero) {
1953 bp->cmng.flags.cmng_enables &=
1954 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1955 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1956 " fairness will be disabled\n");
1957 } else
1958 bp->cmng.flags.cmng_enables |=
1959 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001960}
1961
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001962static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001963{
1964 struct rate_shaping_vars_per_vn m_rs_vn;
1965 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001966 u32 vn_cfg = bp->mf_config[vn];
1967 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001968 u16 vn_min_rate, vn_max_rate;
1969 int i;
1970
1971 /* If function is hidden - set min and max to zeroes */
1972 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1973 vn_min_rate = 0;
1974 vn_max_rate = 0;
1975
1976 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001977 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
1978
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001979 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1980 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001981 /* If fairness is enabled (not all min rates are zeroes) and
1982 if current min rate is zero - set it to 1.
1983 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001984 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001985 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001986
1987 if (IS_MF_SI(bp))
1988 /* maxCfg in percents of linkspeed */
1989 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
1990 else
1991 /* maxCfg is absolute in 100Mb units */
1992 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001993 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001994
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001995 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001996 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001997 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001998
1999 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
2000 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
2001
2002 /* global vn counter - maximal Mbps for this vn */
2003 m_rs_vn.vn_counter.rate = vn_max_rate;
2004
2005 /* quota - number of bytes transmitted in this period */
2006 m_rs_vn.vn_counter.quota =
2007 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2008
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002009 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002010 /* credit for each period of the fairness algorithm:
2011 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002012 vn_weight_sum should not be larger than 10000, thus
2013 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2014 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002015 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002016 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2017 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00002018 (bp->cmng.fair_vars.fair_threshold +
2019 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002020 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002021 m_fair_vn.vn_credit_delta);
2022 }
2023
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002024 /* Store it to internal memory */
2025 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2026 REG_WR(bp, BAR_XSTRORM_INTMEM +
2027 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2028 ((u32 *)(&m_rs_vn))[i]);
2029
2030 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2031 REG_WR(bp, BAR_XSTRORM_INTMEM +
2032 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2033 ((u32 *)(&m_fair_vn))[i]);
2034}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002035
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002036static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2037{
2038 if (CHIP_REV_IS_SLOW(bp))
2039 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002040 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002041 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002042
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002043 return CMNG_FNS_NONE;
2044}
2045
2046static void bnx2x_read_mf_cfg(struct bnx2x *bp)
2047{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002048 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002049
2050 if (BP_NOMCP(bp))
2051 return; /* what should be the default bvalue in this case */
2052
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002053 /* For 2 port configuration the absolute function number formula
2054 * is:
2055 * abs_func = 2 * vn + BP_PORT + BP_PATH
2056 *
2057 * and there are 4 functions per port
2058 *
2059 * For 4 port configuration it is
2060 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2061 *
2062 * and there are 2 functions per port
2063 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002064 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002065 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2066
2067 if (func >= E1H_FUNC_MAX)
2068 break;
2069
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002070 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002071 MF_CFG_RD(bp, func_mf_config[func].config);
2072 }
2073}
2074
2075static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2076{
2077
2078 if (cmng_type == CMNG_FNS_MINMAX) {
2079 int vn;
2080
2081 /* clear cmng_enables */
2082 bp->cmng.flags.cmng_enables = 0;
2083
2084 /* read mf conf from shmem */
2085 if (read_cfg)
2086 bnx2x_read_mf_cfg(bp);
2087
2088 /* Init rate shaping and fairness contexts */
2089 bnx2x_init_port_minmax(bp);
2090
2091 /* vn_weight_sum and enable fairness if not 0 */
2092 bnx2x_calc_vn_weight_sum(bp);
2093
2094 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002095 if (bp->port.pmf)
2096 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2097 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002098
2099 /* always enable rate shaping and fairness */
2100 bp->cmng.flags.cmng_enables |=
2101 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2102 if (!bp->vn_weight_sum)
2103 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2104 " fairness will be disabled\n");
2105 return;
2106 }
2107
2108 /* rate shaping and fairness are disabled */
2109 DP(NETIF_MSG_IFUP,
2110 "rate shaping and fairness are disabled\n");
2111}
2112
2113static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2114{
2115 int port = BP_PORT(bp);
2116 int func;
2117 int vn;
2118
2119 /* Set the attention towards other drivers on the same port */
2120 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2121 if (vn == BP_E1HVN(bp))
2122 continue;
2123
2124 func = ((vn << 1) | port);
2125 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2126 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2127 }
2128}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002129
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002130/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002131static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002132{
Vladislav Zolotarovd9e8b182010-04-19 01:15:08 +00002133 u32 prev_link_status = bp->link_vars.link_status;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002134 /* Make sure that we are synced with the current statistics */
2135 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2136
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002137 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002138
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002139 if (bp->link_vars.link_up) {
2140
Eilon Greenstein1c063282009-02-12 08:36:43 +00002141 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002142 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002143 int port = BP_PORT(bp);
2144 u32 pause_enabled = 0;
2145
2146 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2147 pause_enabled = 1;
2148
2149 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002150 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002151 pause_enabled);
2152 }
2153
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002154 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2155 struct host_port_stats *pstats;
2156
2157 pstats = bnx2x_sp(bp, port_stats);
2158 /* reset old bmac stats */
2159 memset(&(pstats->mac_stx[0]), 0,
2160 sizeof(struct mac_stx));
2161 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002162 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002163 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2164 }
2165
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002166 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2167 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002168
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002169 if (cmng_fns != CMNG_FNS_NONE) {
2170 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2171 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2172 } else
2173 /* rate shaping and fairness are disabled */
2174 DP(NETIF_MSG_IFUP,
2175 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002176 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002177
2178 if (IS_MF(bp))
2179 bnx2x_link_sync_notify(bp);
2180
2181 /* indicate link status only if link status actually changed */
2182 if (prev_link_status != bp->link_vars.link_status)
2183 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002184}
2185
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002186void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002187{
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002188 if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002189 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002190
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002191 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2192
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002193 if (bp->link_vars.link_up)
2194 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2195 else
2196 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2197
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002198 /* the link status update could be the result of a DCC event
2199 hence re-read the shmem mf configuration */
2200 bnx2x_read_mf_cfg(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002201
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002202 /* indicate link status */
2203 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002204}
2205
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002206static void bnx2x_pmf_update(struct bnx2x *bp)
2207{
2208 int port = BP_PORT(bp);
2209 u32 val;
2210
2211 bp->port.pmf = 1;
2212 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2213
2214 /* enable nig attention */
2215 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002216 if (bp->common.int_block == INT_BLOCK_HC) {
2217 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2218 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2219 } else if (CHIP_IS_E2(bp)) {
2220 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2221 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2222 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002223
2224 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002225}
2226
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002227/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002228
2229/* slow path */
2230
2231/*
2232 * General service functions
2233 */
2234
Eilon Greenstein2691d512009-08-12 08:22:08 +00002235/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002236u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002237{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002238 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002239 u32 seq = ++bp->fw_seq;
2240 u32 rc = 0;
2241 u32 cnt = 1;
2242 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2243
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002244 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002245 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2246 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2247
Eilon Greenstein2691d512009-08-12 08:22:08 +00002248 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2249
2250 do {
2251 /* let the FW do it's magic ... */
2252 msleep(delay);
2253
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002254 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002255
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002256 /* Give the FW up to 5 second (500*10ms) */
2257 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002258
2259 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2260 cnt*delay, rc, seq);
2261
2262 /* is this a reply to our command? */
2263 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2264 rc &= FW_MSG_CODE_MASK;
2265 else {
2266 /* FW BUG! */
2267 BNX2X_ERR("FW failed to respond!\n");
2268 bnx2x_fw_dump(bp);
2269 rc = 0;
2270 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002271 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002272
2273 return rc;
2274}
2275
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002276static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2277{
2278#ifdef BCM_CNIC
2279 if (IS_FCOE_FP(fp) && IS_MF(bp))
2280 return false;
2281#endif
2282 return true;
2283}
2284
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002285/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002286static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002287{
2288 u32 mask = (1 << cl_id);
2289
2290 /* initial seeting is BNX2X_ACCEPT_NONE */
2291 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2292 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2293 u8 unmatched_unicast = 0;
2294
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002295 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2296 unmatched_unicast = 1;
2297
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002298 if (filters & BNX2X_PROMISCUOUS_MODE) {
2299 /* promiscious - accept all, drop none */
2300 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2301 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002302 if (IS_MF_SI(bp)) {
2303 /*
2304 * SI mode defines to accept in promiscuos mode
2305 * only unmatched packets
2306 */
2307 unmatched_unicast = 1;
2308 accp_all_ucast = 0;
2309 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002310 }
2311 if (filters & BNX2X_ACCEPT_UNICAST) {
2312 /* accept matched ucast */
2313 drop_all_ucast = 0;
2314 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002315 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002316 /* accept matched mcast */
2317 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002318
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002319 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2320 /* accept all mcast */
2321 drop_all_ucast = 0;
2322 accp_all_ucast = 1;
2323 }
2324 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2325 /* accept all mcast */
2326 drop_all_mcast = 0;
2327 accp_all_mcast = 1;
2328 }
2329 if (filters & BNX2X_ACCEPT_BROADCAST) {
2330 /* accept (all) bcast */
2331 drop_all_bcast = 0;
2332 accp_all_bcast = 1;
2333 }
2334
2335 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2336 bp->mac_filters.ucast_drop_all | mask :
2337 bp->mac_filters.ucast_drop_all & ~mask;
2338
2339 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2340 bp->mac_filters.mcast_drop_all | mask :
2341 bp->mac_filters.mcast_drop_all & ~mask;
2342
2343 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2344 bp->mac_filters.bcast_drop_all | mask :
2345 bp->mac_filters.bcast_drop_all & ~mask;
2346
2347 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2348 bp->mac_filters.ucast_accept_all | mask :
2349 bp->mac_filters.ucast_accept_all & ~mask;
2350
2351 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2352 bp->mac_filters.mcast_accept_all | mask :
2353 bp->mac_filters.mcast_accept_all & ~mask;
2354
2355 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2356 bp->mac_filters.bcast_accept_all | mask :
2357 bp->mac_filters.bcast_accept_all & ~mask;
2358
2359 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2360 bp->mac_filters.unmatched_unicast | mask :
2361 bp->mac_filters.unmatched_unicast & ~mask;
2362}
2363
stephen hemminger8d962862010-10-21 07:50:56 +00002364static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002365{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002366 struct tstorm_eth_function_common_config tcfg = {0};
2367 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002368
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002369 /* tpa */
2370 if (p->func_flgs & FUNC_FLG_TPA)
2371 tcfg.config_flags |=
2372 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002373
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002374 /* set rss flags */
2375 rss_flgs = (p->rss->mode <<
2376 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002377
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002378 if (p->rss->cap & RSS_IPV4_CAP)
2379 rss_flgs |= RSS_IPV4_CAP_MASK;
2380 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2381 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2382 if (p->rss->cap & RSS_IPV6_CAP)
2383 rss_flgs |= RSS_IPV6_CAP_MASK;
2384 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2385 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002386
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002387 tcfg.config_flags |= rss_flgs;
2388 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002389
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002390 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002391
2392 /* Enable the function in the FW */
2393 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2394 storm_memset_func_en(bp, p->func_id, 1);
2395
2396 /* statistics */
2397 if (p->func_flgs & FUNC_FLG_STATS) {
2398 struct stats_indication_flags stats_flags = {0};
2399 stats_flags.collect_eth = 1;
2400
2401 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2402 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2403
2404 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2405 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2406
2407 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2408 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2409
2410 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2411 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2412 }
2413
2414 /* spq */
2415 if (p->func_flgs & FUNC_FLG_SPQ) {
2416 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2417 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2418 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2419 }
2420}
2421
2422static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2423 struct bnx2x_fastpath *fp)
2424{
2425 u16 flags = 0;
2426
2427 /* calculate queue flags */
2428 flags |= QUEUE_FLG_CACHE_ALIGN;
2429 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002430 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002431
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002432 flags |= QUEUE_FLG_VLAN;
2433 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002434
2435 if (!fp->disable_tpa)
2436 flags |= QUEUE_FLG_TPA;
2437
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002438 flags = stat_counter_valid(bp, fp) ?
2439 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002440
2441 return flags;
2442}
2443
2444static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2445 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2446 struct bnx2x_rxq_init_params *rxq_init)
2447{
2448 u16 max_sge = 0;
2449 u16 sge_sz = 0;
2450 u16 tpa_agg_size = 0;
2451
2452 /* calculate queue flags */
2453 u16 flags = bnx2x_get_cl_flags(bp, fp);
2454
2455 if (!fp->disable_tpa) {
2456 pause->sge_th_hi = 250;
2457 pause->sge_th_lo = 150;
2458 tpa_agg_size = min_t(u32,
2459 (min_t(u32, 8, MAX_SKB_FRAGS) *
2460 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2461 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2462 SGE_PAGE_SHIFT;
2463 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2464 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2465 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2466 0xffff);
2467 }
2468
2469 /* pause - not for e1 */
2470 if (!CHIP_IS_E1(bp)) {
2471 pause->bd_th_hi = 350;
2472 pause->bd_th_lo = 250;
2473 pause->rcq_th_hi = 350;
2474 pause->rcq_th_lo = 250;
2475 pause->sge_th_hi = 0;
2476 pause->sge_th_lo = 0;
2477 pause->pri_map = 1;
2478 }
2479
2480 /* rxq setup */
2481 rxq_init->flags = flags;
2482 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2483 rxq_init->dscr_map = fp->rx_desc_mapping;
2484 rxq_init->sge_map = fp->rx_sge_mapping;
2485 rxq_init->rcq_map = fp->rx_comp_mapping;
2486 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002487
2488 /* Always use mini-jumbo MTU for FCoE L2 ring */
2489 if (IS_FCOE_FP(fp))
2490 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2491 else
2492 rxq_init->mtu = bp->dev->mtu;
2493
2494 rxq_init->buf_sz = fp->rx_buf_size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002495 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2496 rxq_init->cl_id = fp->cl_id;
2497 rxq_init->spcl_id = fp->cl_id;
2498 rxq_init->stat_id = fp->cl_id;
2499 rxq_init->tpa_agg_sz = tpa_agg_size;
2500 rxq_init->sge_buf_sz = sge_sz;
2501 rxq_init->max_sges_pkt = max_sge;
2502 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2503 rxq_init->fw_sb_id = fp->fw_sb_id;
2504
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002505 if (IS_FCOE_FP(fp))
2506 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2507 else
2508 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002509
2510 rxq_init->cid = HW_CID(bp, fp->cid);
2511
2512 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2513}
2514
2515static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2516 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2517{
2518 u16 flags = bnx2x_get_cl_flags(bp, fp);
2519
2520 txq_init->flags = flags;
2521 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2522 txq_init->dscr_map = fp->tx_desc_mapping;
2523 txq_init->stat_id = fp->cl_id;
2524 txq_init->cid = HW_CID(bp, fp->cid);
2525 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2526 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2527 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002528
2529 if (IS_FCOE_FP(fp)) {
2530 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2531 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2532 }
2533
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002534 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2535}
2536
stephen hemminger8d962862010-10-21 07:50:56 +00002537static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002538{
2539 struct bnx2x_func_init_params func_init = {0};
2540 struct bnx2x_rss_params rss = {0};
2541 struct event_ring_data eq_data = { {0} };
2542 u16 flags;
2543
2544 /* pf specific setups */
2545 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002546 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002547
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002548 if (CHIP_IS_E2(bp)) {
2549 /* reset IGU PF statistics: MSIX + ATTN */
2550 /* PF */
2551 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2552 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2553 (CHIP_MODE_IS_4_PORT(bp) ?
2554 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2555 /* ATTN */
2556 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2557 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2558 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2559 (CHIP_MODE_IS_4_PORT(bp) ?
2560 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2561 }
2562
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002563 /* function setup flags */
2564 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2565
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002566 if (CHIP_IS_E1x(bp))
2567 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2568 else
2569 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002570
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002571 /* function setup */
2572
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002573 /**
2574 * Although RSS is meaningless when there is a single HW queue we
2575 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002576 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002577 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2578 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2579 rss.mode = bp->multi_mode;
2580 rss.result_mask = MULTI_MASK;
2581 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002582
2583 func_init.func_flgs = flags;
2584 func_init.pf_id = BP_FUNC(bp);
2585 func_init.func_id = BP_FUNC(bp);
2586 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2587 func_init.spq_map = bp->spq_mapping;
2588 func_init.spq_prod = bp->spq_prod_idx;
2589
2590 bnx2x_func_init(bp, &func_init);
2591
2592 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2593
2594 /*
2595 Congestion management values depend on the link rate
2596 There is no active link so initial link rate is set to 10 Gbps.
2597 When the link comes up The congestion management values are
2598 re-calculated according to the actual link rate.
2599 */
2600 bp->link_vars.line_speed = SPEED_10000;
2601 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2602
2603 /* Only the PMF sets the HW */
2604 if (bp->port.pmf)
2605 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2606
2607 /* no rx until link is up */
2608 bp->rx_mode = BNX2X_RX_MODE_NONE;
2609 bnx2x_set_storm_rx_mode(bp);
2610
2611 /* init Event Queue */
2612 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2613 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2614 eq_data.producer = bp->eq_prod;
2615 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2616 eq_data.sb_id = DEF_SB_ID;
2617 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2618}
2619
2620
Eilon Greenstein2691d512009-08-12 08:22:08 +00002621static void bnx2x_e1h_disable(struct bnx2x *bp)
2622{
2623 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002624
2625 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002626
2627 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2628
Eilon Greenstein2691d512009-08-12 08:22:08 +00002629 netif_carrier_off(bp->dev);
2630}
2631
2632static void bnx2x_e1h_enable(struct bnx2x *bp)
2633{
2634 int port = BP_PORT(bp);
2635
2636 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2637
Eilon Greenstein2691d512009-08-12 08:22:08 +00002638 /* Tx queue should be only reenabled */
2639 netif_tx_wake_all_queues(bp->dev);
2640
Eilon Greenstein061bc702009-10-15 00:18:47 -07002641 /*
2642 * Should not call netif_carrier_on since it will be called if the link
2643 * is up when checking for link state
2644 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002645}
2646
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002647/* called due to MCP event (on pmf):
2648 * reread new bandwidth configuration
2649 * configure FW
2650 * notify others function about the change
2651 */
2652static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2653{
2654 if (bp->link_vars.link_up) {
2655 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2656 bnx2x_link_sync_notify(bp);
2657 }
2658 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2659}
2660
2661static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2662{
2663 bnx2x_config_mf_bw(bp);
2664 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2665}
2666
Eilon Greenstein2691d512009-08-12 08:22:08 +00002667static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2668{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002669 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002670
2671 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2672
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002673 /*
2674 * This is the only place besides the function initialization
2675 * where the bp->flags can change so it is done without any
2676 * locks
2677 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002678 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002679 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002680 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002681
2682 bnx2x_e1h_disable(bp);
2683 } else {
2684 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002685 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002686
2687 bnx2x_e1h_enable(bp);
2688 }
2689 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2690 }
2691 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002692 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002693 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2694 }
2695
2696 /* Report results to MCP */
2697 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002698 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002699 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002700 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002701}
2702
Michael Chan28912902009-10-10 13:46:53 +00002703/* must be called under the spq lock */
2704static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2705{
2706 struct eth_spe *next_spe = bp->spq_prod_bd;
2707
2708 if (bp->spq_prod_bd == bp->spq_last_bd) {
2709 bp->spq_prod_bd = bp->spq;
2710 bp->spq_prod_idx = 0;
2711 DP(NETIF_MSG_TIMER, "end of spq\n");
2712 } else {
2713 bp->spq_prod_bd++;
2714 bp->spq_prod_idx++;
2715 }
2716 return next_spe;
2717}
2718
2719/* must be called under the spq lock */
2720static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2721{
2722 int func = BP_FUNC(bp);
2723
2724 /* Make sure that BD data is updated before writing the producer */
2725 wmb();
2726
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002727 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002728 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002729 mmiowb();
2730}
2731
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002732/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002733int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002734 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002735{
Michael Chan28912902009-10-10 13:46:53 +00002736 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002737 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002738
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002739#ifdef BNX2X_STOP_ON_ERROR
2740 if (unlikely(bp->panic))
2741 return -EIO;
2742#endif
2743
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002744 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002745
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002746 if (common) {
2747 if (!atomic_read(&bp->eq_spq_left)) {
2748 BNX2X_ERR("BUG! EQ ring full!\n");
2749 spin_unlock_bh(&bp->spq_lock);
2750 bnx2x_panic();
2751 return -EBUSY;
2752 }
2753 } else if (!atomic_read(&bp->cq_spq_left)) {
2754 BNX2X_ERR("BUG! SPQ ring full!\n");
2755 spin_unlock_bh(&bp->spq_lock);
2756 bnx2x_panic();
2757 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002758 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002759
Michael Chan28912902009-10-10 13:46:53 +00002760 spe = bnx2x_sp_get_next(bp);
2761
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002762 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002763 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002764 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2765 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002766
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002767 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002768 /* Common ramrods:
2769 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2770 * TRAFFIC_STOP, TRAFFIC_START
2771 */
2772 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2773 & SPE_HDR_CONN_TYPE;
2774 else
2775 /* ETH ramrods: SETUP, HALT */
2776 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2777 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002778
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002779 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2780 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002781
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002782 spe->hdr.type = cpu_to_le16(type);
2783
2784 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2785 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2786
2787 /* stats ramrod has it's own slot on the spq */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002788 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002789 /* It's ok if the actual decrement is issued towards the memory
2790 * somewhere between the spin_lock and spin_unlock. Thus no
2791 * more explict memory barrier is needed.
2792 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002793 if (common)
2794 atomic_dec(&bp->eq_spq_left);
2795 else
2796 atomic_dec(&bp->cq_spq_left);
2797 }
2798
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002799
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002800 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002801 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002802 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002803 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2804 (u32)(U64_LO(bp->spq_mapping) +
2805 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002806 HW_CID(bp, cid), data_hi, data_lo, type,
2807 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002808
Michael Chan28912902009-10-10 13:46:53 +00002809 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002810 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002811 return 0;
2812}
2813
2814/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002815static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002816{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002817 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002818 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002819
2820 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002821 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002822 val = (1UL << 31);
2823 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2824 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2825 if (val & (1L << 31))
2826 break;
2827
2828 msleep(5);
2829 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002830 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002831 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002832 rc = -EBUSY;
2833 }
2834
2835 return rc;
2836}
2837
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002838/* release split MCP access lock register */
2839static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002840{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002841 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002842}
2843
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002844#define BNX2X_DEF_SB_ATT_IDX 0x0001
2845#define BNX2X_DEF_SB_IDX 0x0002
2846
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002847static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2848{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002849 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002850 u16 rc = 0;
2851
2852 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002853 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2854 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002855 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002856 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002857
2858 if (bp->def_idx != def_sb->sp_sb.running_index) {
2859 bp->def_idx = def_sb->sp_sb.running_index;
2860 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002861 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002862
2863 /* Do not reorder: indecies reading should complete before handling */
2864 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002865 return rc;
2866}
2867
2868/*
2869 * slow path service functions
2870 */
2871
2872static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2873{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002874 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002875 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2876 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002877 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2878 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002879 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002880 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002881 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002882
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002883 if (bp->attn_state & asserted)
2884 BNX2X_ERR("IGU ERROR\n");
2885
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002886 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2887 aeu_mask = REG_RD(bp, aeu_addr);
2888
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002889 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002890 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002891 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002892 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002893
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002894 REG_WR(bp, aeu_addr, aeu_mask);
2895 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002896
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002897 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002898 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002899 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002900
2901 if (asserted & ATTN_HARD_WIRED_MASK) {
2902 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002903
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002904 bnx2x_acquire_phy_lock(bp);
2905
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002906 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002907 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002908 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002909
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002910 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002911
2912 /* handle unicore attn? */
2913 }
2914 if (asserted & ATTN_SW_TIMER_4_FUNC)
2915 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2916
2917 if (asserted & GPIO_2_FUNC)
2918 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2919
2920 if (asserted & GPIO_3_FUNC)
2921 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2922
2923 if (asserted & GPIO_4_FUNC)
2924 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2925
2926 if (port == 0) {
2927 if (asserted & ATTN_GENERAL_ATTN_1) {
2928 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2929 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2930 }
2931 if (asserted & ATTN_GENERAL_ATTN_2) {
2932 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2933 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2934 }
2935 if (asserted & ATTN_GENERAL_ATTN_3) {
2936 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2937 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2938 }
2939 } else {
2940 if (asserted & ATTN_GENERAL_ATTN_4) {
2941 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2942 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2943 }
2944 if (asserted & ATTN_GENERAL_ATTN_5) {
2945 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2946 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2947 }
2948 if (asserted & ATTN_GENERAL_ATTN_6) {
2949 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2950 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2951 }
2952 }
2953
2954 } /* if hardwired */
2955
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002956 if (bp->common.int_block == INT_BLOCK_HC)
2957 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2958 COMMAND_REG_ATTN_BITS_SET);
2959 else
2960 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2961
2962 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2963 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2964 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002965
2966 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002967 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002968 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002969 bnx2x_release_phy_lock(bp);
2970 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002971}
2972
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002973static inline void bnx2x_fan_failure(struct bnx2x *bp)
2974{
2975 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002976 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002977 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002978 ext_phy_config =
2979 SHMEM_RD(bp,
2980 dev_info.port_hw_config[port].external_phy_config);
2981
2982 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2983 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002984 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002985 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002986
2987 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002988 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2989 " the driver to shutdown the card to prevent permanent"
2990 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002991}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002992
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002993static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2994{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002995 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002996 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002997 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002998
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002999 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
3000 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003001
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003002 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003003
3004 val = REG_RD(bp, reg_offset);
3005 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
3006 REG_WR(bp, reg_offset, val);
3007
3008 BNX2X_ERR("SPIO5 hw attention\n");
3009
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003010 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003011 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003012 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003013 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003014
Eilon Greenstein589abe32009-02-12 08:36:55 +00003015 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
3016 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
3017 bnx2x_acquire_phy_lock(bp);
3018 bnx2x_handle_module_detect_int(&bp->link_params);
3019 bnx2x_release_phy_lock(bp);
3020 }
3021
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003022 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3023
3024 val = REG_RD(bp, reg_offset);
3025 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3026 REG_WR(bp, reg_offset, val);
3027
3028 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003029 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003030 bnx2x_panic();
3031 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003032}
3033
3034static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3035{
3036 u32 val;
3037
Eilon Greenstein0626b892009-02-12 08:38:14 +00003038 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003039
3040 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3041 BNX2X_ERR("DB hw attention 0x%x\n", val);
3042 /* DORQ discard attention */
3043 if (val & 0x2)
3044 BNX2X_ERR("FATAL error from DORQ\n");
3045 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003046
3047 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3048
3049 int port = BP_PORT(bp);
3050 int reg_offset;
3051
3052 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3053 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3054
3055 val = REG_RD(bp, reg_offset);
3056 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3057 REG_WR(bp, reg_offset, val);
3058
3059 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003060 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003061 bnx2x_panic();
3062 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003063}
3064
3065static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3066{
3067 u32 val;
3068
3069 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3070
3071 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3072 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3073 /* CFC error attention */
3074 if (val & 0x2)
3075 BNX2X_ERR("FATAL error from CFC\n");
3076 }
3077
3078 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3079
3080 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3081 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3082 /* RQ_USDMDP_FIFO_OVERFLOW */
3083 if (val & 0x18000)
3084 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003085 if (CHIP_IS_E2(bp)) {
3086 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3087 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3088 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003089 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003090
3091 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3092
3093 int port = BP_PORT(bp);
3094 int reg_offset;
3095
3096 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3097 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3098
3099 val = REG_RD(bp, reg_offset);
3100 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3101 REG_WR(bp, reg_offset, val);
3102
3103 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003104 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003105 bnx2x_panic();
3106 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003107}
3108
3109static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3110{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003111 u32 val;
3112
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003113 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3114
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003115 if (attn & BNX2X_PMF_LINK_ASSERT) {
3116 int func = BP_FUNC(bp);
3117
3118 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003119 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3120 func_mf_config[BP_ABS_FUNC(bp)].config);
3121 val = SHMEM_RD(bp,
3122 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003123 if (val & DRV_STATUS_DCC_EVENT_MASK)
3124 bnx2x_dcc_event(bp,
3125 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003126
3127 if (val & DRV_STATUS_SET_MF_BW)
3128 bnx2x_set_mf_bw(bp);
3129
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003130 bnx2x__link_status_update(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003131 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003132 bnx2x_pmf_update(bp);
3133
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003134 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003135 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3136 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003137 /* start dcbx state machine */
3138 bnx2x_dcbx_set_params(bp,
3139 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003140 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003141
3142 BNX2X_ERR("MC assert!\n");
3143 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3144 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3145 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3146 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3147 bnx2x_panic();
3148
3149 } else if (attn & BNX2X_MCP_ASSERT) {
3150
3151 BNX2X_ERR("MCP assert!\n");
3152 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003153 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003154
3155 } else
3156 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3157 }
3158
3159 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003160 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3161 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003162 val = CHIP_IS_E1(bp) ? 0 :
3163 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003164 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3165 }
3166 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003167 val = CHIP_IS_E1(bp) ? 0 :
3168 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003169 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3170 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003171 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003172 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003173}
3174
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003175#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3176#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3177#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3178#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3179#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003180
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003181/*
3182 * should be run under rtnl lock
3183 */
3184static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3185{
3186 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3187 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3188 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3189 barrier();
3190 mmiowb();
3191}
3192
3193/*
3194 * should be run under rtnl lock
3195 */
3196static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3197{
3198 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3199 val |= (1 << 16);
3200 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3201 barrier();
3202 mmiowb();
3203}
3204
3205/*
3206 * should be run under rtnl lock
3207 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003208bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003209{
3210 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3211 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3212 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3213}
3214
3215/*
3216 * should be run under rtnl lock
3217 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003218inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003219{
3220 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3221
3222 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3223
3224 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3225 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3226 barrier();
3227 mmiowb();
3228}
3229
3230/*
3231 * should be run under rtnl lock
3232 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003233u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003234{
3235 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3236
3237 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3238
3239 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3240 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3241 barrier();
3242 mmiowb();
3243
3244 return val1;
3245}
3246
3247/*
3248 * should be run under rtnl lock
3249 */
3250static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3251{
3252 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3253}
3254
3255static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3256{
3257 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3258 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3259}
3260
3261static inline void _print_next_block(int idx, const char *blk)
3262{
3263 if (idx)
3264 pr_cont(", ");
3265 pr_cont("%s", blk);
3266}
3267
3268static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3269{
3270 int i = 0;
3271 u32 cur_bit = 0;
3272 for (i = 0; sig; i++) {
3273 cur_bit = ((u32)0x1 << i);
3274 if (sig & cur_bit) {
3275 switch (cur_bit) {
3276 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3277 _print_next_block(par_num++, "BRB");
3278 break;
3279 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3280 _print_next_block(par_num++, "PARSER");
3281 break;
3282 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3283 _print_next_block(par_num++, "TSDM");
3284 break;
3285 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3286 _print_next_block(par_num++, "SEARCHER");
3287 break;
3288 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3289 _print_next_block(par_num++, "TSEMI");
3290 break;
3291 }
3292
3293 /* Clear the bit */
3294 sig &= ~cur_bit;
3295 }
3296 }
3297
3298 return par_num;
3299}
3300
3301static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3302{
3303 int i = 0;
3304 u32 cur_bit = 0;
3305 for (i = 0; sig; i++) {
3306 cur_bit = ((u32)0x1 << i);
3307 if (sig & cur_bit) {
3308 switch (cur_bit) {
3309 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3310 _print_next_block(par_num++, "PBCLIENT");
3311 break;
3312 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3313 _print_next_block(par_num++, "QM");
3314 break;
3315 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3316 _print_next_block(par_num++, "XSDM");
3317 break;
3318 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3319 _print_next_block(par_num++, "XSEMI");
3320 break;
3321 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3322 _print_next_block(par_num++, "DOORBELLQ");
3323 break;
3324 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3325 _print_next_block(par_num++, "VAUX PCI CORE");
3326 break;
3327 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3328 _print_next_block(par_num++, "DEBUG");
3329 break;
3330 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3331 _print_next_block(par_num++, "USDM");
3332 break;
3333 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3334 _print_next_block(par_num++, "USEMI");
3335 break;
3336 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3337 _print_next_block(par_num++, "UPB");
3338 break;
3339 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3340 _print_next_block(par_num++, "CSDM");
3341 break;
3342 }
3343
3344 /* Clear the bit */
3345 sig &= ~cur_bit;
3346 }
3347 }
3348
3349 return par_num;
3350}
3351
3352static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3353{
3354 int i = 0;
3355 u32 cur_bit = 0;
3356 for (i = 0; sig; i++) {
3357 cur_bit = ((u32)0x1 << i);
3358 if (sig & cur_bit) {
3359 switch (cur_bit) {
3360 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3361 _print_next_block(par_num++, "CSEMI");
3362 break;
3363 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3364 _print_next_block(par_num++, "PXP");
3365 break;
3366 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3367 _print_next_block(par_num++,
3368 "PXPPCICLOCKCLIENT");
3369 break;
3370 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3371 _print_next_block(par_num++, "CFC");
3372 break;
3373 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3374 _print_next_block(par_num++, "CDU");
3375 break;
3376 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3377 _print_next_block(par_num++, "IGU");
3378 break;
3379 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3380 _print_next_block(par_num++, "MISC");
3381 break;
3382 }
3383
3384 /* Clear the bit */
3385 sig &= ~cur_bit;
3386 }
3387 }
3388
3389 return par_num;
3390}
3391
3392static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3393{
3394 int i = 0;
3395 u32 cur_bit = 0;
3396 for (i = 0; sig; i++) {
3397 cur_bit = ((u32)0x1 << i);
3398 if (sig & cur_bit) {
3399 switch (cur_bit) {
3400 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3401 _print_next_block(par_num++, "MCP ROM");
3402 break;
3403 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3404 _print_next_block(par_num++, "MCP UMP RX");
3405 break;
3406 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3407 _print_next_block(par_num++, "MCP UMP TX");
3408 break;
3409 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3410 _print_next_block(par_num++, "MCP SCPAD");
3411 break;
3412 }
3413
3414 /* Clear the bit */
3415 sig &= ~cur_bit;
3416 }
3417 }
3418
3419 return par_num;
3420}
3421
3422static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3423 u32 sig2, u32 sig3)
3424{
3425 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3426 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3427 int par_num = 0;
3428 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3429 "[0]:0x%08x [1]:0x%08x "
3430 "[2]:0x%08x [3]:0x%08x\n",
3431 sig0 & HW_PRTY_ASSERT_SET_0,
3432 sig1 & HW_PRTY_ASSERT_SET_1,
3433 sig2 & HW_PRTY_ASSERT_SET_2,
3434 sig3 & HW_PRTY_ASSERT_SET_3);
3435 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3436 bp->dev->name);
3437 par_num = bnx2x_print_blocks_with_parity0(
3438 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3439 par_num = bnx2x_print_blocks_with_parity1(
3440 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3441 par_num = bnx2x_print_blocks_with_parity2(
3442 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3443 par_num = bnx2x_print_blocks_with_parity3(
3444 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3445 printk("\n");
3446 return true;
3447 } else
3448 return false;
3449}
3450
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003451bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003452{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003453 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003454 int port = BP_PORT(bp);
3455
3456 attn.sig[0] = REG_RD(bp,
3457 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3458 port*4);
3459 attn.sig[1] = REG_RD(bp,
3460 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3461 port*4);
3462 attn.sig[2] = REG_RD(bp,
3463 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3464 port*4);
3465 attn.sig[3] = REG_RD(bp,
3466 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3467 port*4);
3468
3469 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3470 attn.sig[3]);
3471}
3472
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003473
3474static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3475{
3476 u32 val;
3477 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3478
3479 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3480 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3481 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3482 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3483 "ADDRESS_ERROR\n");
3484 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3485 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3486 "INCORRECT_RCV_BEHAVIOR\n");
3487 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3488 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3489 "WAS_ERROR_ATTN\n");
3490 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3491 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3492 "VF_LENGTH_VIOLATION_ATTN\n");
3493 if (val &
3494 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3495 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3496 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3497 if (val &
3498 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3499 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3500 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3501 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3502 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3503 "TCPL_ERROR_ATTN\n");
3504 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3505 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3506 "TCPL_IN_TWO_RCBS_ATTN\n");
3507 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3508 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3509 "CSSNOOP_FIFO_OVERFLOW\n");
3510 }
3511 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3512 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3513 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3514 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3515 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3516 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3517 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3518 "_ATC_TCPL_TO_NOT_PEND\n");
3519 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3520 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3521 "ATC_GPA_MULTIPLE_HITS\n");
3522 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3523 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3524 "ATC_RCPL_TO_EMPTY_CNT\n");
3525 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3526 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3527 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3528 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3529 "ATC_IREQ_LESS_THAN_STU\n");
3530 }
3531
3532 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3533 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3534 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3535 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3536 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3537 }
3538
3539}
3540
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003541static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3542{
3543 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003544 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003545 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003546 u32 reg_addr;
3547 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003548 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003549
3550 /* need to take HW lock because MCP or other port might also
3551 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003552 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003553
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003554 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003555 bp->recovery_state = BNX2X_RECOVERY_INIT;
3556 bnx2x_set_reset_in_progress(bp);
3557 schedule_delayed_work(&bp->reset_task, 0);
3558 /* Disable HW interrupts */
3559 bnx2x_int_disable(bp);
3560 bnx2x_release_alr(bp);
3561 /* In case of parity errors don't handle attentions so that
3562 * other function would "see" parity errors.
3563 */
3564 return;
3565 }
3566
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003567 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3568 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3569 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3570 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003571 if (CHIP_IS_E2(bp))
3572 attn.sig[4] =
3573 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3574 else
3575 attn.sig[4] = 0;
3576
3577 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3578 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003579
3580 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3581 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003582 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003583
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003584 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3585 "%08x %08x %08x\n",
3586 index,
3587 group_mask->sig[0], group_mask->sig[1],
3588 group_mask->sig[2], group_mask->sig[3],
3589 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003590
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003591 bnx2x_attn_int_deasserted4(bp,
3592 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003593 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003594 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003595 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003596 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003597 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003598 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003599 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003600 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003601 }
3602 }
3603
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003604 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003605
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003606 if (bp->common.int_block == INT_BLOCK_HC)
3607 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3608 COMMAND_REG_ATTN_BITS_CLR);
3609 else
3610 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003611
3612 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003613 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3614 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003615 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003616
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003617 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003618 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003619
3620 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3621 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3622
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003623 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3624 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003625
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003626 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3627 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003628 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003629 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3630
3631 REG_WR(bp, reg_addr, aeu_mask);
3632 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003633
3634 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3635 bp->attn_state &= ~deasserted;
3636 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3637}
3638
3639static void bnx2x_attn_int(struct bnx2x *bp)
3640{
3641 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003642 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3643 attn_bits);
3644 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3645 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003646 u32 attn_state = bp->attn_state;
3647
3648 /* look for changed bits */
3649 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3650 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3651
3652 DP(NETIF_MSG_HW,
3653 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3654 attn_bits, attn_ack, asserted, deasserted);
3655
3656 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003657 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003658
3659 /* handle bits that were raised */
3660 if (asserted)
3661 bnx2x_attn_int_asserted(bp, asserted);
3662
3663 if (deasserted)
3664 bnx2x_attn_int_deasserted(bp, deasserted);
3665}
3666
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003667static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3668{
3669 /* No memory barriers */
3670 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3671 mmiowb(); /* keep prod updates ordered */
3672}
3673
3674#ifdef BCM_CNIC
3675static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3676 union event_ring_elem *elem)
3677{
3678 if (!bp->cnic_eth_dev.starting_cid ||
3679 cid < bp->cnic_eth_dev.starting_cid)
3680 return 1;
3681
3682 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3683
3684 if (unlikely(elem->message.data.cfc_del_event.error)) {
3685 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3686 cid);
3687 bnx2x_panic_dump(bp);
3688 }
3689 bnx2x_cnic_cfc_comp(bp, cid);
3690 return 0;
3691}
3692#endif
3693
3694static void bnx2x_eq_int(struct bnx2x *bp)
3695{
3696 u16 hw_cons, sw_cons, sw_prod;
3697 union event_ring_elem *elem;
3698 u32 cid;
3699 u8 opcode;
3700 int spqe_cnt = 0;
3701
3702 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3703
3704 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3705 * when we get the the next-page we nned to adjust so the loop
3706 * condition below will be met. The next element is the size of a
3707 * regular element and hence incrementing by 1
3708 */
3709 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3710 hw_cons++;
3711
3712 /* This function may never run in parralel with itself for a
3713 * specific bp, thus there is no need in "paired" read memory
3714 * barrier here.
3715 */
3716 sw_cons = bp->eq_cons;
3717 sw_prod = bp->eq_prod;
3718
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003719 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->cq_spq_left %u\n",
3720 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003721
3722 for (; sw_cons != hw_cons;
3723 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3724
3725
3726 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3727
3728 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3729 opcode = elem->message.opcode;
3730
3731
3732 /* handle eq element */
3733 switch (opcode) {
3734 case EVENT_RING_OPCODE_STAT_QUERY:
3735 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3736 /* nothing to do with stats comp */
3737 continue;
3738
3739 case EVENT_RING_OPCODE_CFC_DEL:
3740 /* handle according to cid range */
3741 /*
3742 * we may want to verify here that the bp state is
3743 * HALTING
3744 */
3745 DP(NETIF_MSG_IFDOWN,
3746 "got delete ramrod for MULTI[%d]\n", cid);
3747#ifdef BCM_CNIC
3748 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3749 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003750 if (cid == BNX2X_FCOE_ETH_CID)
3751 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3752 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003753#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003754 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003755 BNX2X_FP_STATE_CLOSED;
3756
3757 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003758
3759 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3760 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3761 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3762 goto next_spqe;
3763 case EVENT_RING_OPCODE_START_TRAFFIC:
3764 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3765 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3766 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003767 }
3768
3769 switch (opcode | bp->state) {
3770 case (EVENT_RING_OPCODE_FUNCTION_START |
3771 BNX2X_STATE_OPENING_WAIT4_PORT):
3772 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3773 bp->state = BNX2X_STATE_FUNC_STARTED;
3774 break;
3775
3776 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3777 BNX2X_STATE_CLOSING_WAIT4_HALT):
3778 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3779 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3780 break;
3781
3782 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3783 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3784 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003785 if (elem->message.data.set_mac_event.echo)
3786 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003787 break;
3788
3789 case (EVENT_RING_OPCODE_SET_MAC |
3790 BNX2X_STATE_CLOSING_WAIT4_HALT):
3791 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003792 if (elem->message.data.set_mac_event.echo)
3793 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003794 break;
3795 default:
3796 /* unknown event log error and continue */
3797 BNX2X_ERR("Unknown EQ event %d\n",
3798 elem->message.opcode);
3799 }
3800next_spqe:
3801 spqe_cnt++;
3802 } /* for */
3803
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003804 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003805 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003806
3807 bp->eq_cons = sw_cons;
3808 bp->eq_prod = sw_prod;
3809 /* Make sure that above mem writes were issued towards the memory */
3810 smp_wmb();
3811
3812 /* update producer */
3813 bnx2x_update_eq_prod(bp, bp->eq_prod);
3814}
3815
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003816static void bnx2x_sp_task(struct work_struct *work)
3817{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003818 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003819 u16 status;
3820
3821 /* Return here if interrupt is disabled */
3822 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003823 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003824 return;
3825 }
3826
3827 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003828/* if (status == 0) */
3829/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003830
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003831 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003832
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003833 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003834 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003835 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003836 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003837 }
3838
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003839 /* SP events: STAT_QUERY and others */
3840 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003841#ifdef BCM_CNIC
3842 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003843
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003844 if ((!NO_FCOE(bp)) &&
3845 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3846 napi_schedule(&bnx2x_fcoe(bp, napi));
3847#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003848 /* Handle EQ completions */
3849 bnx2x_eq_int(bp);
3850
3851 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3852 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3853
3854 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003855 }
3856
3857 if (unlikely(status))
3858 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3859 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003860
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003861 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3862 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003863}
3864
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003865irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003866{
3867 struct net_device *dev = dev_instance;
3868 struct bnx2x *bp = netdev_priv(dev);
3869
3870 /* Return here if interrupt is disabled */
3871 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003872 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003873 return IRQ_HANDLED;
3874 }
3875
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003876 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3877 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003878
3879#ifdef BNX2X_STOP_ON_ERROR
3880 if (unlikely(bp->panic))
3881 return IRQ_HANDLED;
3882#endif
3883
Michael Chan993ac7b2009-10-10 13:46:56 +00003884#ifdef BCM_CNIC
3885 {
3886 struct cnic_ops *c_ops;
3887
3888 rcu_read_lock();
3889 c_ops = rcu_dereference(bp->cnic_ops);
3890 if (c_ops)
3891 c_ops->cnic_handler(bp->cnic_data, NULL);
3892 rcu_read_unlock();
3893 }
3894#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003895 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003896
3897 return IRQ_HANDLED;
3898}
3899
3900/* end of slow path */
3901
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003902static void bnx2x_timer(unsigned long data)
3903{
3904 struct bnx2x *bp = (struct bnx2x *) data;
3905
3906 if (!netif_running(bp->dev))
3907 return;
3908
3909 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003910 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003911
3912 if (poll) {
3913 struct bnx2x_fastpath *fp = &bp->fp[0];
3914 int rc;
3915
Eilon Greenstein7961f792009-03-02 07:59:31 +00003916 bnx2x_tx_int(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003917 rc = bnx2x_rx_int(fp, 1000);
3918 }
3919
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003920 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003921 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003922 u32 drv_pulse;
3923 u32 mcp_pulse;
3924
3925 ++bp->fw_drv_pulse_wr_seq;
3926 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3927 /* TBD - add SYSTEM_TIME */
3928 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003929 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003930
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003931 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003932 MCP_PULSE_SEQ_MASK);
3933 /* The delta between driver pulse and mcp response
3934 * should be 1 (before mcp response) or 0 (after mcp response)
3935 */
3936 if ((drv_pulse != mcp_pulse) &&
3937 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3938 /* someone lost a heartbeat... */
3939 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3940 drv_pulse, mcp_pulse);
3941 }
3942 }
3943
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003944 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003945 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003946
Eliezer Tamirf1410642008-02-28 11:51:50 -08003947timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003948 mod_timer(&bp->timer, jiffies + bp->current_interval);
3949}
3950
3951/* end of Statistics */
3952
3953/* nic init */
3954
3955/*
3956 * nic init service functions
3957 */
3958
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003959static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003960{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003961 u32 i;
3962 if (!(len%4) && !(addr%4))
3963 for (i = 0; i < len; i += 4)
3964 REG_WR(bp, addr + i, fill);
3965 else
3966 for (i = 0; i < len; i++)
3967 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003968
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003969}
3970
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003971/* helper: writes FP SP data to FW - data_size in dwords */
3972static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3973 int fw_sb_id,
3974 u32 *sb_data_p,
3975 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003976{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003977 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003978 for (index = 0; index < data_size; index++)
3979 REG_WR(bp, BAR_CSTRORM_INTMEM +
3980 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3981 sizeof(u32)*index,
3982 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003983}
3984
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003985static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3986{
3987 u32 *sb_data_p;
3988 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003989 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003990 struct hc_status_block_data_e1x sb_data_e1x;
3991
3992 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003993 if (CHIP_IS_E2(bp)) {
3994 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3995 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3996 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3997 sb_data_e2.common.p_func.vf_valid = false;
3998 sb_data_p = (u32 *)&sb_data_e2;
3999 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4000 } else {
4001 memset(&sb_data_e1x, 0,
4002 sizeof(struct hc_status_block_data_e1x));
4003 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
4004 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
4005 sb_data_e1x.common.p_func.vf_valid = false;
4006 sb_data_p = (u32 *)&sb_data_e1x;
4007 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4008 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004009 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4010
4011 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4012 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
4013 CSTORM_STATUS_BLOCK_SIZE);
4014 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4015 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
4016 CSTORM_SYNC_BLOCK_SIZE);
4017}
4018
4019/* helper: writes SP SB data to FW */
4020static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
4021 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004022{
4023 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004024 int i;
4025 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4026 REG_WR(bp, BAR_CSTRORM_INTMEM +
4027 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4028 i*sizeof(u32),
4029 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004030}
4031
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004032static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4033{
4034 int func = BP_FUNC(bp);
4035 struct hc_sp_status_block_data sp_sb_data;
4036 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4037
4038 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4039 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4040 sp_sb_data.p_func.vf_valid = false;
4041
4042 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4043
4044 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4045 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4046 CSTORM_SP_STATUS_BLOCK_SIZE);
4047 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4048 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4049 CSTORM_SP_SYNC_BLOCK_SIZE);
4050
4051}
4052
4053
4054static inline
4055void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4056 int igu_sb_id, int igu_seg_id)
4057{
4058 hc_sm->igu_sb_id = igu_sb_id;
4059 hc_sm->igu_seg_id = igu_seg_id;
4060 hc_sm->timer_value = 0xFF;
4061 hc_sm->time_to_expire = 0xFFFFFFFF;
4062}
4063
stephen hemminger8d962862010-10-21 07:50:56 +00004064static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004065 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4066{
4067 int igu_seg_id;
4068
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004069 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004070 struct hc_status_block_data_e1x sb_data_e1x;
4071 struct hc_status_block_sm *hc_sm_p;
4072 struct hc_index_data *hc_index_p;
4073 int data_size;
4074 u32 *sb_data_p;
4075
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004076 if (CHIP_INT_MODE_IS_BC(bp))
4077 igu_seg_id = HC_SEG_ACCESS_NORM;
4078 else
4079 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004080
4081 bnx2x_zero_fp_sb(bp, fw_sb_id);
4082
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004083 if (CHIP_IS_E2(bp)) {
4084 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4085 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4086 sb_data_e2.common.p_func.vf_id = vfid;
4087 sb_data_e2.common.p_func.vf_valid = vf_valid;
4088 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4089 sb_data_e2.common.same_igu_sb_1b = true;
4090 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4091 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4092 hc_sm_p = sb_data_e2.common.state_machine;
4093 hc_index_p = sb_data_e2.index_data;
4094 sb_data_p = (u32 *)&sb_data_e2;
4095 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4096 } else {
4097 memset(&sb_data_e1x, 0,
4098 sizeof(struct hc_status_block_data_e1x));
4099 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4100 sb_data_e1x.common.p_func.vf_id = 0xff;
4101 sb_data_e1x.common.p_func.vf_valid = false;
4102 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4103 sb_data_e1x.common.same_igu_sb_1b = true;
4104 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4105 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4106 hc_sm_p = sb_data_e1x.common.state_machine;
4107 hc_index_p = sb_data_e1x.index_data;
4108 sb_data_p = (u32 *)&sb_data_e1x;
4109 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4110 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004111
4112 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4113 igu_sb_id, igu_seg_id);
4114 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4115 igu_sb_id, igu_seg_id);
4116
4117 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4118
4119 /* write indecies to HW */
4120 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4121}
4122
4123static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4124 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004125{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004126 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004127 u8 ticks = usec / BNX2X_BTR;
4128
4129 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4130
4131 disable = disable ? 1 : (usec ? 0 : 1);
4132 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4133}
4134
4135static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4136 u16 tx_usec, u16 rx_usec)
4137{
4138 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4139 false, rx_usec);
4140 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4141 false, tx_usec);
4142}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004143
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004144static void bnx2x_init_def_sb(struct bnx2x *bp)
4145{
4146 struct host_sp_status_block *def_sb = bp->def_status_blk;
4147 dma_addr_t mapping = bp->def_status_blk_mapping;
4148 int igu_sp_sb_index;
4149 int igu_seg_id;
4150 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004151 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004152 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004153 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004154 int index;
4155 struct hc_sp_status_block_data sp_sb_data;
4156 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4157
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004158 if (CHIP_INT_MODE_IS_BC(bp)) {
4159 igu_sp_sb_index = DEF_SB_IGU_ID;
4160 igu_seg_id = HC_SEG_ACCESS_DEF;
4161 } else {
4162 igu_sp_sb_index = bp->igu_dsb_id;
4163 igu_seg_id = IGU_SEG_ACCESS_DEF;
4164 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004165
4166 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004167 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004168 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004169 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004170
Eliezer Tamir49d66772008-02-28 11:53:13 -08004171 bp->attn_state = 0;
4172
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004173 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4174 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004175 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004176 int sindex;
4177 /* take care of sig[0]..sig[4] */
4178 for (sindex = 0; sindex < 4; sindex++)
4179 bp->attn_group[index].sig[sindex] =
4180 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004181
4182 if (CHIP_IS_E2(bp))
4183 /*
4184 * enable5 is separate from the rest of the registers,
4185 * and therefore the address skip is 4
4186 * and not 16 between the different groups
4187 */
4188 bp->attn_group[index].sig[4] = REG_RD(bp,
4189 reg_offset + 0x10 + 0x4*index);
4190 else
4191 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004192 }
4193
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004194 if (bp->common.int_block == INT_BLOCK_HC) {
4195 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4196 HC_REG_ATTN_MSG0_ADDR_L);
4197
4198 REG_WR(bp, reg_offset, U64_LO(section));
4199 REG_WR(bp, reg_offset + 4, U64_HI(section));
4200 } else if (CHIP_IS_E2(bp)) {
4201 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4202 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4203 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004204
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004205 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4206 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004207
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004208 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004209
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004210 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4211 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4212 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4213 sp_sb_data.igu_seg_id = igu_seg_id;
4214 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004215 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004216 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004217
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004218 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004219
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004220 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004221 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004222
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004223 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004224}
4225
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004226void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004227{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004228 int i;
4229
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004230 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004231 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07004232 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004233}
4234
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004235static void bnx2x_init_sp_ring(struct bnx2x *bp)
4236{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004237 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004238 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004239
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004240 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004241 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4242 bp->spq_prod_bd = bp->spq;
4243 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004244}
4245
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004246static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004247{
4248 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004249 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4250 union event_ring_elem *elem =
4251 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004252
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004253 elem->next_page.addr.hi =
4254 cpu_to_le32(U64_HI(bp->eq_mapping +
4255 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4256 elem->next_page.addr.lo =
4257 cpu_to_le32(U64_LO(bp->eq_mapping +
4258 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004259 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004260 bp->eq_cons = 0;
4261 bp->eq_prod = NUM_EQ_DESC;
4262 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004263 /* we want a warning message before it gets rought... */
4264 atomic_set(&bp->eq_spq_left,
4265 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004266}
4267
Tom Herbertab532cf2011-02-16 10:27:02 +00004268void bnx2x_push_indir_table(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004269{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004270 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004271 int i;
4272
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004273 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004274 return;
4275
4276 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004277 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004278 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Tom Herbertab532cf2011-02-16 10:27:02 +00004279 bp->fp->cl_id + bp->rx_indir_table[i]);
4280}
4281
4282static void bnx2x_init_ind_table(struct bnx2x *bp)
4283{
4284 int i;
4285
4286 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4287 bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);
4288
4289 bnx2x_push_indir_table(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004290}
4291
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004292void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004293{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004294 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004295 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004296 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004297 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004298
Eilon Greenstein581ce432009-07-29 00:20:04 +00004299 /* All but management unicast packets should pass to the host as well */
4300 u32 llh_mask =
4301 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4302 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4303 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4304 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004305
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004306 switch (mode) {
4307 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004308 def_q_filters = BNX2X_ACCEPT_NONE;
4309#ifdef BCM_CNIC
4310 if (!NO_FCOE(bp)) {
4311 cl_id = bnx2x_fcoe(bp, cl_id);
4312 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4313 }
4314#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004315 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004316
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004317 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004318 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4319 BNX2X_ACCEPT_MULTICAST;
4320#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004321 if (!NO_FCOE(bp)) {
4322 cl_id = bnx2x_fcoe(bp, cl_id);
4323 bnx2x_rxq_set_mac_filters(bp, cl_id,
4324 BNX2X_ACCEPT_UNICAST |
4325 BNX2X_ACCEPT_MULTICAST);
4326 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004327#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004328 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004329
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004330 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004331 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4332 BNX2X_ACCEPT_ALL_MULTICAST;
4333#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004334 /*
4335 * Prevent duplication of multicast packets by configuring FCoE
4336 * L2 Client to receive only matched unicast frames.
4337 */
4338 if (!NO_FCOE(bp)) {
4339 cl_id = bnx2x_fcoe(bp, cl_id);
4340 bnx2x_rxq_set_mac_filters(bp, cl_id,
4341 BNX2X_ACCEPT_UNICAST);
4342 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004343#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004344 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004345
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004346 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004347 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4348#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004349 /*
4350 * Prevent packets duplication by configuring DROP_ALL for FCoE
4351 * L2 Client.
4352 */
4353 if (!NO_FCOE(bp)) {
4354 cl_id = bnx2x_fcoe(bp, cl_id);
4355 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4356 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004357#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004358 /* pass management unicast packets as well */
4359 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004360 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004361
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004362 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004363 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4364 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004365 }
4366
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004367 cl_id = BP_L_ID(bp);
4368 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4369
Eilon Greenstein581ce432009-07-29 00:20:04 +00004370 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004371 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4372 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004373
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004374 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4375 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004376 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4377 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004378 bp->mac_filters.ucast_drop_all,
4379 bp->mac_filters.mcast_drop_all,
4380 bp->mac_filters.bcast_drop_all,
4381 bp->mac_filters.ucast_accept_all,
4382 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004383 bp->mac_filters.bcast_accept_all,
4384 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004385 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004386
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004387 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004388}
4389
Eilon Greenstein471de712008-08-13 15:49:35 -07004390static void bnx2x_init_internal_common(struct bnx2x *bp)
4391{
4392 int i;
4393
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004394 if (!CHIP_IS_E1(bp)) {
4395
4396 /* xstorm needs to know whether to add ovlan to packets or not,
4397 * in switch-independent we'll write 0 to here... */
4398 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004399 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004400 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004401 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004402 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004403 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004404 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004405 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004406 }
4407
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004408 if (IS_MF_SI(bp))
4409 /*
4410 * In switch independent mode, the TSTORM needs to accept
4411 * packets that failed classification, since approximate match
4412 * mac addresses aren't written to NIG LLH
4413 */
4414 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4415 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4416
Eilon Greenstein471de712008-08-13 15:49:35 -07004417 /* Zero this manually as its initialization is
4418 currently missing in the initTool */
4419 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4420 REG_WR(bp, BAR_USTRORM_INTMEM +
4421 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004422 if (CHIP_IS_E2(bp)) {
4423 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4424 CHIP_INT_MODE_IS_BC(bp) ?
4425 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4426 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004427}
4428
4429static void bnx2x_init_internal_port(struct bnx2x *bp)
4430{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004431 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004432 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004433}
4434
Eilon Greenstein471de712008-08-13 15:49:35 -07004435static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4436{
4437 switch (load_code) {
4438 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004439 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004440 bnx2x_init_internal_common(bp);
4441 /* no break */
4442
4443 case FW_MSG_CODE_DRV_LOAD_PORT:
4444 bnx2x_init_internal_port(bp);
4445 /* no break */
4446
4447 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004448 /* internal memory per function is
4449 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004450 break;
4451
4452 default:
4453 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4454 break;
4455 }
4456}
4457
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004458static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4459{
4460 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4461
4462 fp->state = BNX2X_FP_STATE_CLOSED;
4463
4464 fp->index = fp->cid = fp_idx;
4465 fp->cl_id = BP_L_ID(bp) + fp_idx;
4466 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4467 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4468 /* qZone id equals to FW (per path) client id */
4469 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004470 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4471 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004472 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004473 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4474 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004475 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4476 /* Setup SB indicies */
4477 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4478 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4479
4480 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4481 "cl_id %d fw_sb %d igu_sb %d\n",
4482 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4483 fp->igu_sb_id);
4484 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4485 fp->fw_sb_id, fp->igu_sb_id);
4486
4487 bnx2x_update_fpsb_idx(fp);
4488}
4489
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004490void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004491{
4492 int i;
4493
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004494 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004495 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004496#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004497 if (!NO_FCOE(bp))
4498 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004499
4500 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4501 BNX2X_VF_ID_INVALID, false,
4502 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4503
Michael Chan37b091b2009-10-10 13:46:55 +00004504#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004505
Eilon Greenstein16119782009-03-02 07:59:27 +00004506 /* ensure status block indices were read */
4507 rmb();
4508
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004509 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004510 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004511 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004512 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004513 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004514 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004515 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004516 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004517 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004518 bnx2x_stats_init(bp);
4519
4520 /* At this point, we are ready for interrupts */
4521 atomic_set(&bp->intr_sem, 0);
4522
4523 /* flush all before enabling interrupts */
4524 mb();
4525 mmiowb();
4526
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004527 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004528
4529 /* Check for SPIO5 */
4530 bnx2x_attn_int_deasserted0(bp,
4531 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4532 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004533}
4534
4535/* end of nic init */
4536
4537/*
4538 * gzip service functions
4539 */
4540
4541static int bnx2x_gunzip_init(struct bnx2x *bp)
4542{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004543 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4544 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004545 if (bp->gunzip_buf == NULL)
4546 goto gunzip_nomem1;
4547
4548 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4549 if (bp->strm == NULL)
4550 goto gunzip_nomem2;
4551
4552 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4553 GFP_KERNEL);
4554 if (bp->strm->workspace == NULL)
4555 goto gunzip_nomem3;
4556
4557 return 0;
4558
4559gunzip_nomem3:
4560 kfree(bp->strm);
4561 bp->strm = NULL;
4562
4563gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004564 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4565 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004566 bp->gunzip_buf = NULL;
4567
4568gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004569 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4570 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004571 return -ENOMEM;
4572}
4573
4574static void bnx2x_gunzip_end(struct bnx2x *bp)
4575{
4576 kfree(bp->strm->workspace);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004577 kfree(bp->strm);
4578 bp->strm = NULL;
4579
4580 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004581 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4582 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004583 bp->gunzip_buf = NULL;
4584 }
4585}
4586
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004587static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004588{
4589 int n, rc;
4590
4591 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004592 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4593 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004594 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004595 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004596
4597 n = 10;
4598
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004599#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004600
4601 if (zbuf[3] & FNAME)
4602 while ((zbuf[n++] != 0) && (n < len));
4603
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004604 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004605 bp->strm->avail_in = len - n;
4606 bp->strm->next_out = bp->gunzip_buf;
4607 bp->strm->avail_out = FW_BUF_SIZE;
4608
4609 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4610 if (rc != Z_OK)
4611 return rc;
4612
4613 rc = zlib_inflate(bp->strm, Z_FINISH);
4614 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004615 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4616 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004617
4618 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4619 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004620 netdev_err(bp->dev, "Firmware decompression error:"
4621 " gunzip_outlen (%d) not aligned\n",
4622 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004623 bp->gunzip_outlen >>= 2;
4624
4625 zlib_inflateEnd(bp->strm);
4626
4627 if (rc == Z_STREAM_END)
4628 return 0;
4629
4630 return rc;
4631}
4632
4633/* nic load/unload */
4634
4635/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004636 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004637 */
4638
4639/* send a NIG loopback debug packet */
4640static void bnx2x_lb_pckt(struct bnx2x *bp)
4641{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004642 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004643
4644 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004645 wb_write[0] = 0x55555555;
4646 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004647 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004648 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004649
4650 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004651 wb_write[0] = 0x09000000;
4652 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004653 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004654 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004655}
4656
4657/* some of the internal memories
4658 * are not directly readable from the driver
4659 * to test them we send debug packets
4660 */
4661static int bnx2x_int_mem_test(struct bnx2x *bp)
4662{
4663 int factor;
4664 int count, i;
4665 u32 val = 0;
4666
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004667 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004668 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004669 else if (CHIP_REV_IS_EMUL(bp))
4670 factor = 200;
4671 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004672 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004673
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004674 /* Disable inputs of parser neighbor blocks */
4675 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4676 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4677 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004678 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004679
4680 /* Write 0 to parser credits for CFC search request */
4681 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4682
4683 /* send Ethernet packet */
4684 bnx2x_lb_pckt(bp);
4685
4686 /* TODO do i reset NIG statistic? */
4687 /* Wait until NIG register shows 1 packet of size 0x10 */
4688 count = 1000 * factor;
4689 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004690
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004691 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4692 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004693 if (val == 0x10)
4694 break;
4695
4696 msleep(10);
4697 count--;
4698 }
4699 if (val != 0x10) {
4700 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4701 return -1;
4702 }
4703
4704 /* Wait until PRS register shows 1 packet */
4705 count = 1000 * factor;
4706 while (count) {
4707 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004708 if (val == 1)
4709 break;
4710
4711 msleep(10);
4712 count--;
4713 }
4714 if (val != 0x1) {
4715 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4716 return -2;
4717 }
4718
4719 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004720 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004721 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004722 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004723 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004724 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4725 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004726
4727 DP(NETIF_MSG_HW, "part2\n");
4728
4729 /* Disable inputs of parser neighbor blocks */
4730 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4731 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4732 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004733 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004734
4735 /* Write 0 to parser credits for CFC search request */
4736 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4737
4738 /* send 10 Ethernet packets */
4739 for (i = 0; i < 10; i++)
4740 bnx2x_lb_pckt(bp);
4741
4742 /* Wait until NIG register shows 10 + 1
4743 packets of size 11*0x10 = 0xb0 */
4744 count = 1000 * factor;
4745 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004746
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004747 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4748 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004749 if (val == 0xb0)
4750 break;
4751
4752 msleep(10);
4753 count--;
4754 }
4755 if (val != 0xb0) {
4756 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4757 return -3;
4758 }
4759
4760 /* Wait until PRS register shows 2 packets */
4761 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4762 if (val != 2)
4763 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4764
4765 /* Write 1 to parser credits for CFC search request */
4766 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4767
4768 /* Wait until PRS register shows 3 packets */
4769 msleep(10 * factor);
4770 /* Wait until NIG register shows 1 packet of size 0x10 */
4771 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4772 if (val != 3)
4773 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4774
4775 /* clear NIG EOP FIFO */
4776 for (i = 0; i < 11; i++)
4777 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4778 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4779 if (val != 1) {
4780 BNX2X_ERR("clear of NIG failed\n");
4781 return -4;
4782 }
4783
4784 /* Reset and init BRB, PRS, NIG */
4785 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4786 msleep(50);
4787 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4788 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004789 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4790 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004791#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004792 /* set NIC mode */
4793 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4794#endif
4795
4796 /* Enable inputs of parser neighbor blocks */
4797 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4798 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4799 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004800 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004801
4802 DP(NETIF_MSG_HW, "done\n");
4803
4804 return 0; /* OK */
4805}
4806
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004807static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004808{
4809 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004810 if (CHIP_IS_E2(bp))
4811 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4812 else
4813 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004814 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4815 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004816 /*
4817 * mask read length error interrupts in brb for parser
4818 * (parsing unit and 'checksum and crc' unit)
4819 * these errors are legal (PU reads fixed length and CAC can cause
4820 * read length error on truncated packets)
4821 */
4822 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004823 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4824 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4825 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4826 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4827 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004828/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4829/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004830 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4831 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4832 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004833/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4834/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004835 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4836 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4837 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4838 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004839/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4840/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004841
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004842 if (CHIP_REV_IS_FPGA(bp))
4843 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004844 else if (CHIP_IS_E2(bp))
4845 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4846 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4847 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4848 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4849 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4850 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004851 else
4852 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004853 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4854 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4855 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004856/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4857/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004858 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4859 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004860/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004861 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004862}
4863
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004864static void bnx2x_reset_common(struct bnx2x *bp)
4865{
4866 /* reset_common */
4867 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4868 0xd3ffff7f);
4869 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4870}
4871
Eilon Greenstein573f2032009-08-12 08:24:14 +00004872static void bnx2x_init_pxp(struct bnx2x *bp)
4873{
4874 u16 devctl;
4875 int r_order, w_order;
4876
4877 pci_read_config_word(bp->pdev,
4878 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4879 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4880 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4881 if (bp->mrrs == -1)
4882 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4883 else {
4884 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4885 r_order = bp->mrrs;
4886 }
4887
4888 bnx2x_init_pxp_arb(bp, r_order, w_order);
4889}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004890
4891static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4892{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004893 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004894 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004895 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004896
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004897 if (BP_NOMCP(bp))
4898 return;
4899
4900 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004901 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4902 SHARED_HW_CFG_FAN_FAILURE_MASK;
4903
4904 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4905 is_required = 1;
4906
4907 /*
4908 * The fan failure mechanism is usually related to the PHY type since
4909 * the power consumption of the board is affected by the PHY. Currently,
4910 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4911 */
4912 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4913 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004914 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004915 bnx2x_fan_failure_det_req(
4916 bp,
4917 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004918 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004919 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004920 }
4921
4922 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4923
4924 if (is_required == 0)
4925 return;
4926
4927 /* Fan failure is indicated by SPIO 5 */
4928 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4929 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4930
4931 /* set to active low mode */
4932 val = REG_RD(bp, MISC_REG_SPIO_INT);
4933 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004934 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004935 REG_WR(bp, MISC_REG_SPIO_INT, val);
4936
4937 /* enable interrupt to signal the IGU */
4938 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4939 val |= (1 << MISC_REGISTERS_SPIO_5);
4940 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4941}
4942
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004943static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4944{
4945 u32 offset = 0;
4946
4947 if (CHIP_IS_E1(bp))
4948 return;
4949 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4950 return;
4951
4952 switch (BP_ABS_FUNC(bp)) {
4953 case 0:
4954 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4955 break;
4956 case 1:
4957 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4958 break;
4959 case 2:
4960 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4961 break;
4962 case 3:
4963 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4964 break;
4965 case 4:
4966 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4967 break;
4968 case 5:
4969 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4970 break;
4971 case 6:
4972 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4973 break;
4974 case 7:
4975 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4976 break;
4977 default:
4978 return;
4979 }
4980
4981 REG_WR(bp, offset, pretend_func_num);
4982 REG_RD(bp, offset);
4983 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4984}
4985
4986static void bnx2x_pf_disable(struct bnx2x *bp)
4987{
4988 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4989 val &= ~IGU_PF_CONF_FUNC_EN;
4990
4991 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4992 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4993 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4994}
4995
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004996static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004997{
4998 u32 val, i;
4999
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005000 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005001
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00005002 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005003 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
5004 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
5005
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005006 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005007 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005008 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005009
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005010 if (CHIP_IS_E2(bp)) {
5011 u8 fid;
5012
5013 /**
5014 * 4-port mode or 2-port mode we need to turn of master-enable
5015 * for everyone, after that, turn it back on for self.
5016 * so, we disregard multi-function or not, and always disable
5017 * for all functions on the given path, this means 0,2,4,6 for
5018 * path 0 and 1,3,5,7 for path 1
5019 */
5020 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
5021 if (fid == BP_ABS_FUNC(bp)) {
5022 REG_WR(bp,
5023 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
5024 1);
5025 continue;
5026 }
5027
5028 bnx2x_pretend_func(bp, fid);
5029 /* clear pf enable */
5030 bnx2x_pf_disable(bp);
5031 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5032 }
5033 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005034
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005035 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005036 if (CHIP_IS_E1(bp)) {
5037 /* enable HW interrupt from PXP on USDM overflow
5038 bit 16 on INT_MASK_0 */
5039 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005040 }
5041
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005042 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005043 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005044
5045#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005046 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5047 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5048 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5049 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5050 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005051 /* make sure this value is 0 */
5052 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005053
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005054/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5055 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5056 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5057 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5058 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005059#endif
5060
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005061 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5062
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005063 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5064 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005065
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005066 /* let the HW do it's magic ... */
5067 msleep(100);
5068 /* finish PXP init */
5069 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5070 if (val != 1) {
5071 BNX2X_ERR("PXP2 CFG failed\n");
5072 return -EBUSY;
5073 }
5074 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5075 if (val != 1) {
5076 BNX2X_ERR("PXP2 RD_INIT failed\n");
5077 return -EBUSY;
5078 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005079
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005080 /* Timers bug workaround E2 only. We need to set the entire ILT to
5081 * have entries with value "0" and valid bit on.
5082 * This needs to be done by the first PF that is loaded in a path
5083 * (i.e. common phase)
5084 */
5085 if (CHIP_IS_E2(bp)) {
5086 struct ilt_client_info ilt_cli;
5087 struct bnx2x_ilt ilt;
5088 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5089 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5090
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005091 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005092 ilt_cli.start = 0;
5093 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5094 ilt_cli.client_num = ILT_CLIENT_TM;
5095
5096 /* Step 1: set zeroes to all ilt page entries with valid bit on
5097 * Step 2: set the timers first/last ilt entry to point
5098 * to the entire range to prevent ILT range error for 3rd/4th
5099 * vnic (this code assumes existance of the vnic)
5100 *
5101 * both steps performed by call to bnx2x_ilt_client_init_op()
5102 * with dummy TM client
5103 *
5104 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5105 * and his brother are split registers
5106 */
5107 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5108 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5109 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5110
5111 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5112 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5113 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5114 }
5115
5116
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005117 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5118 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005119
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005120 if (CHIP_IS_E2(bp)) {
5121 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5122 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5123 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5124
5125 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5126
5127 /* let the HW do it's magic ... */
5128 do {
5129 msleep(200);
5130 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5131 } while (factor-- && (val != 1));
5132
5133 if (val != 1) {
5134 BNX2X_ERR("ATC_INIT failed\n");
5135 return -EBUSY;
5136 }
5137 }
5138
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005139 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005140
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005141 /* clean the DMAE memory */
5142 bp->dmae_ready = 1;
5143 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005144
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005145 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5146 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5147 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5148 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005149
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005150 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5151 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5152 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5153 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5154
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005155 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005156
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005157 if (CHIP_MODE_IS_4_PORT(bp))
5158 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005159
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005160 /* QM queues pointers table */
5161 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005162
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005163 /* soft reset pulse */
5164 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5165 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005166
Michael Chan37b091b2009-10-10 13:46:55 +00005167#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005168 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005169#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005170
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005171 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005172 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5173
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005174 if (!CHIP_REV_IS_SLOW(bp)) {
5175 /* enable hw interrupt from doorbell Q */
5176 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5177 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005178
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005179 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005180 if (CHIP_MODE_IS_4_PORT(bp)) {
5181 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5182 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5183 }
5184
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005185 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005186 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005187#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005188 /* set NIC mode */
5189 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005190#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005191 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005192 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005193
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005194 if (CHIP_IS_E2(bp)) {
5195 /* Bit-map indicating which L2 hdrs may appear after the
5196 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005197 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005198 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5199 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5200 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005201
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005202 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5203 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5204 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5205 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005206
Eilon Greensteinca003922009-08-12 22:53:28 -07005207 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5208 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5209 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5210 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005211
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005212 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5213 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5214 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5215 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005216
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005217 if (CHIP_MODE_IS_4_PORT(bp))
5218 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5219
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005220 /* sync semi rtc */
5221 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5222 0x80000000);
5223 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5224 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005225
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005226 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5227 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5228 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005229
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005230 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005231 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005232 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5233 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5234 }
5235
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005236 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005237 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5238 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005239
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005240 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005241#ifdef BCM_CNIC
5242 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5243 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5244 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5245 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5246 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5247 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5248 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5249 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5250 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5251 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5252#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005253 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005254
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005255 if (sizeof(union cdu_context) != 1024)
5256 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005257 dev_alert(&bp->pdev->dev, "please adjust the size "
5258 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005259 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005260
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005261 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005262 val = (4 << 24) + (0 << 12) + 1024;
5263 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005264
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005265 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005266 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005267 /* enable context validation interrupt from CFC */
5268 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5269
5270 /* set the thresholds to prevent CFC/CDU race */
5271 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005272
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005273 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005274
5275 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5276 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5277
5278 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005279 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005280
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005281 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005282 /* Reset PCIE errors for debug */
5283 REG_WR(bp, 0x2814, 0xffffffff);
5284 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005285
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005286 if (CHIP_IS_E2(bp)) {
5287 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5288 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5289 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5290 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5291 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5292 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5293 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5294 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5295 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5296 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5297 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5298 }
5299
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005300 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005301 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005302 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005303 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005304
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005305 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005306 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005307 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005308 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005309 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005310 if (CHIP_IS_E2(bp)) {
5311 /* Bit-map indicating which L2 hdrs may appear after the
5312 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005313 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005314 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005315
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005316 if (CHIP_REV_IS_SLOW(bp))
5317 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005318
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005319 /* finish CFC init */
5320 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5321 if (val != 1) {
5322 BNX2X_ERR("CFC LL_INIT failed\n");
5323 return -EBUSY;
5324 }
5325 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5326 if (val != 1) {
5327 BNX2X_ERR("CFC AC_INIT failed\n");
5328 return -EBUSY;
5329 }
5330 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5331 if (val != 1) {
5332 BNX2X_ERR("CFC CAM_INIT failed\n");
5333 return -EBUSY;
5334 }
5335 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005336
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005337 if (CHIP_IS_E1(bp)) {
5338 /* read NIG statistic
5339 to see if this is our first up since powerup */
5340 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5341 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005342
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005343 /* do internal memory self test */
5344 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5345 BNX2X_ERR("internal mem self test failed\n");
5346 return -EBUSY;
5347 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005348 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005349
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005350 bnx2x_setup_fan_failure_detection(bp);
5351
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005352 /* clear PXP2 attentions */
5353 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005354
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005355 bnx2x_enable_blocks_attention(bp);
5356 if (CHIP_PARITY_ENABLED(bp))
5357 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005358
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005359 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005360 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5361 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5362 CHIP_IS_E1x(bp)) {
5363 u32 shmem_base[2], shmem2_base[2];
5364 shmem_base[0] = bp->common.shmem_base;
5365 shmem2_base[0] = bp->common.shmem2_base;
5366 if (CHIP_IS_E2(bp)) {
5367 shmem_base[1] =
5368 SHMEM2_RD(bp, other_shmem_base_addr);
5369 shmem2_base[1] =
5370 SHMEM2_RD(bp, other_shmem2_base_addr);
5371 }
5372 bnx2x_acquire_phy_lock(bp);
5373 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5374 bp->common.chip_id);
5375 bnx2x_release_phy_lock(bp);
5376 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005377 } else
5378 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5379
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005380 return 0;
5381}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005382
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005383static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005384{
5385 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005386 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005387 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005388 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005389
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005390 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005391
5392 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005393
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005394 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005395 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005396
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005397 /* Timers bug workaround: disables the pf_master bit in pglue at
5398 * common phase, we need to enable it here before any dmae access are
5399 * attempted. Therefore we manually added the enable-master to the
5400 * port phase (it also happens in the function phase)
5401 */
5402 if (CHIP_IS_E2(bp))
5403 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5404
Eilon Greensteinca003922009-08-12 22:53:28 -07005405 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5406 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5407 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005408 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005409
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005410 /* QM cid (connection) count */
5411 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005412
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005413#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005414 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005415 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5416 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005417#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005418
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005419 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005420
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005421 if (CHIP_MODE_IS_4_PORT(bp))
5422 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005424 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5425 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5426 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5427 /* no pause for emulation and FPGA */
5428 low = 0;
5429 high = 513;
5430 } else {
5431 if (IS_MF(bp))
5432 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5433 else if (bp->dev->mtu > 4096) {
5434 if (bp->flags & ONE_PORT_FLAG)
5435 low = 160;
5436 else {
5437 val = bp->dev->mtu;
5438 /* (24*1024 + val*4)/256 */
5439 low = 96 + (val/64) +
5440 ((val % 64) ? 1 : 0);
5441 }
5442 } else
5443 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5444 high = low + 56; /* 14*1024/256 */
5445 }
5446 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5447 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5448 }
5449
5450 if (CHIP_MODE_IS_4_PORT(bp)) {
5451 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5452 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5453 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5454 BRB1_REG_MAC_GUARANTIED_0), 40);
5455 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005456
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005457 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005458
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005459 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005460 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005461 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005462 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005463
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005464 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5465 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5466 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5467 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005468 if (CHIP_MODE_IS_4_PORT(bp))
5469 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005470
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005471 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005472 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005473
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005474 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005475
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005476 if (!CHIP_IS_E2(bp)) {
5477 /* configure PBF to work without PAUSE mtu 9000 */
5478 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005479
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005480 /* update threshold */
5481 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5482 /* update init credit */
5483 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005484
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005485 /* probe changes */
5486 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5487 udelay(50);
5488 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5489 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005490
Michael Chan37b091b2009-10-10 13:46:55 +00005491#ifdef BCM_CNIC
5492 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005493#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005494 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005495 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005496
5497 if (CHIP_IS_E1(bp)) {
5498 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5499 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5500 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005501 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005502
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005503 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5504
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005505 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005506 /* init aeu_mask_attn_func_0/1:
5507 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5508 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5509 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005510 val = IS_MF(bp) ? 0xF7 : 0x7;
5511 /* Enable DCBX attention for all but E1 */
5512 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5513 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005514
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005515 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005516 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005517 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005518 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005519 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005520
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005521 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005522
5523 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5524
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005525 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005526 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005527 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005528 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005529
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005530 if (CHIP_IS_E2(bp)) {
5531 val = 0;
5532 switch (bp->mf_mode) {
5533 case MULTI_FUNCTION_SD:
5534 val = 1;
5535 break;
5536 case MULTI_FUNCTION_SI:
5537 val = 2;
5538 break;
5539 }
5540
5541 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5542 NIG_REG_LLH0_CLS_TYPE), val);
5543 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005544 {
5545 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5546 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5547 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5548 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005549 }
5550
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005551 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005552 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005553 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005554 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005555 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5556 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5557 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005558 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005559 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005560 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005561 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005562
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005563 return 0;
5564}
5565
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005566static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5567{
5568 int reg;
5569
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005570 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005571 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005572 else
5573 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005574
5575 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5576}
5577
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005578static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5579{
5580 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5581}
5582
5583static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5584{
5585 u32 i, base = FUNC_ILT_BASE(func);
5586 for (i = base; i < base + ILT_PER_FUNC; i++)
5587 bnx2x_ilt_wr(bp, i, 0);
5588}
5589
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005590static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005591{
5592 int port = BP_PORT(bp);
5593 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005594 struct bnx2x_ilt *ilt = BP_ILT(bp);
5595 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005596 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005597 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5598 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005599
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005600 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005601
Eilon Greenstein8badd272009-02-12 08:36:15 +00005602 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005603 if (bp->common.int_block == INT_BLOCK_HC) {
5604 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5605 val = REG_RD(bp, addr);
5606 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5607 REG_WR(bp, addr, val);
5608 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005609
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005610 ilt = BP_ILT(bp);
5611 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005612
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005613 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5614 ilt->lines[cdu_ilt_start + i].page =
5615 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5616 ilt->lines[cdu_ilt_start + i].page_mapping =
5617 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5618 /* cdu ilt pages are allocated manually so there's no need to
5619 set the size */
5620 }
5621 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005622
Michael Chan37b091b2009-10-10 13:46:55 +00005623#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005624 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005625
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005626 /* T1 hash bits value determines the T1 number of entries */
5627 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005628#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005629
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005630#ifndef BCM_CNIC
5631 /* set NIC mode */
5632 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5633#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005634
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005635 if (CHIP_IS_E2(bp)) {
5636 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5637
5638 /* Turn on a single ISR mode in IGU if driver is going to use
5639 * INT#x or MSI
5640 */
5641 if (!(bp->flags & USING_MSIX_FLAG))
5642 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5643 /*
5644 * Timers workaround bug: function init part.
5645 * Need to wait 20msec after initializing ILT,
5646 * needed to make sure there are no requests in
5647 * one of the PXP internal queues with "old" ILT addresses
5648 */
5649 msleep(20);
5650 /*
5651 * Master enable - Due to WB DMAE writes performed before this
5652 * register is re-initialized as part of the regular function
5653 * init
5654 */
5655 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5656 /* Enable the function in IGU */
5657 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5658 }
5659
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005660 bp->dmae_ready = 1;
5661
5662 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5663
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005664 if (CHIP_IS_E2(bp))
5665 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5666
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005667 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5668 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5669 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5670 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5671 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5672 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5673 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5674 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5675 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5676
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005677 if (CHIP_IS_E2(bp)) {
5678 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5679 BP_PATH(bp));
5680 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5681 BP_PATH(bp));
5682 }
5683
5684 if (CHIP_MODE_IS_4_PORT(bp))
5685 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5686
5687 if (CHIP_IS_E2(bp))
5688 REG_WR(bp, QM_REG_PF_EN, 1);
5689
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005690 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005691
5692 if (CHIP_MODE_IS_4_PORT(bp))
5693 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5694
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005695 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5696 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5697 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5698 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5699 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5700 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5701 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5702 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5703 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5704 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5705 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005706 if (CHIP_IS_E2(bp))
5707 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5708
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005709 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5710
5711 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5712
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005713 if (CHIP_IS_E2(bp))
5714 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5715
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005716 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005717 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005718 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005719 }
5720
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005721 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5722
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005723 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005724 if (bp->common.int_block == INT_BLOCK_HC) {
5725 if (CHIP_IS_E1H(bp)) {
5726 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5727
5728 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5729 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5730 }
5731 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5732
5733 } else {
5734 int num_segs, sb_idx, prod_offset;
5735
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005736 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5737
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005738 if (CHIP_IS_E2(bp)) {
5739 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5740 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5741 }
5742
5743 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5744
5745 if (CHIP_IS_E2(bp)) {
5746 int dsb_idx = 0;
5747 /**
5748 * Producer memory:
5749 * E2 mode: address 0-135 match to the mapping memory;
5750 * 136 - PF0 default prod; 137 - PF1 default prod;
5751 * 138 - PF2 default prod; 139 - PF3 default prod;
5752 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5753 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5754 * 144-147 reserved.
5755 *
5756 * E1.5 mode - In backward compatible mode;
5757 * for non default SB; each even line in the memory
5758 * holds the U producer and each odd line hold
5759 * the C producer. The first 128 producers are for
5760 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5761 * producers are for the DSB for each PF.
5762 * Each PF has five segments: (the order inside each
5763 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5764 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5765 * 144-147 attn prods;
5766 */
5767 /* non-default-status-blocks */
5768 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5769 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5770 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5771 prod_offset = (bp->igu_base_sb + sb_idx) *
5772 num_segs;
5773
5774 for (i = 0; i < num_segs; i++) {
5775 addr = IGU_REG_PROD_CONS_MEMORY +
5776 (prod_offset + i) * 4;
5777 REG_WR(bp, addr, 0);
5778 }
5779 /* send consumer update with value 0 */
5780 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5781 USTORM_ID, 0, IGU_INT_NOP, 1);
5782 bnx2x_igu_clear_sb(bp,
5783 bp->igu_base_sb + sb_idx);
5784 }
5785
5786 /* default-status-blocks */
5787 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5788 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5789
5790 if (CHIP_MODE_IS_4_PORT(bp))
5791 dsb_idx = BP_FUNC(bp);
5792 else
5793 dsb_idx = BP_E1HVN(bp);
5794
5795 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5796 IGU_BC_BASE_DSB_PROD + dsb_idx :
5797 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5798
5799 for (i = 0; i < (num_segs * E1HVN_MAX);
5800 i += E1HVN_MAX) {
5801 addr = IGU_REG_PROD_CONS_MEMORY +
5802 (prod_offset + i)*4;
5803 REG_WR(bp, addr, 0);
5804 }
5805 /* send consumer update with 0 */
5806 if (CHIP_INT_MODE_IS_BC(bp)) {
5807 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5808 USTORM_ID, 0, IGU_INT_NOP, 1);
5809 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5810 CSTORM_ID, 0, IGU_INT_NOP, 1);
5811 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5812 XSTORM_ID, 0, IGU_INT_NOP, 1);
5813 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5814 TSTORM_ID, 0, IGU_INT_NOP, 1);
5815 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5816 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5817 } else {
5818 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5819 USTORM_ID, 0, IGU_INT_NOP, 1);
5820 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5821 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5822 }
5823 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5824
5825 /* !!! these should become driver const once
5826 rf-tool supports split-68 const */
5827 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5828 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5829 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5830 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5831 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5832 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5833 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005834 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005835
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005836 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005837 REG_WR(bp, 0x2114, 0xffffffff);
5838 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005839
5840 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5841 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5842 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5843 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5844 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5845 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5846
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005847 if (CHIP_IS_E1x(bp)) {
5848 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5849 main_mem_base = HC_REG_MAIN_MEMORY +
5850 BP_PORT(bp) * (main_mem_size * 4);
5851 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5852 main_mem_width = 8;
5853
5854 val = REG_RD(bp, main_mem_prty_clr);
5855 if (val)
5856 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5857 "block during "
5858 "function init (0x%x)!\n", val);
5859
5860 /* Clear "false" parity errors in MSI-X table */
5861 for (i = main_mem_base;
5862 i < main_mem_base + main_mem_size * 4;
5863 i += main_mem_width) {
5864 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5865 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5866 i, main_mem_width / 4);
5867 }
5868 /* Clear HC parity attention */
5869 REG_RD(bp, main_mem_prty_clr);
5870 }
5871
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005872 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005873
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005874 return 0;
5875}
5876
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005877int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005878{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005879 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005880
5881 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005882 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005883
5884 bp->dmae_ready = 0;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005885 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein54016b22009-08-12 08:23:48 +00005886 rc = bnx2x_gunzip_init(bp);
5887 if (rc)
5888 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005889
5890 switch (load_code) {
5891 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005892 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005893 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005894 if (rc)
5895 goto init_hw_err;
5896 /* no break */
5897
5898 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005899 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005900 if (rc)
5901 goto init_hw_err;
5902 /* no break */
5903
5904 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005905 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005906 if (rc)
5907 goto init_hw_err;
5908 break;
5909
5910 default:
5911 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5912 break;
5913 }
5914
5915 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005916 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005917
5918 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005919 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005920 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005921 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5922 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005923
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005924init_hw_err:
5925 bnx2x_gunzip_end(bp);
5926
5927 return rc;
5928}
5929
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005930void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005931{
5932
5933#define BNX2X_PCI_FREE(x, y, size) \
5934 do { \
5935 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005936 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005937 x = NULL; \
5938 y = 0; \
5939 } \
5940 } while (0)
5941
5942#define BNX2X_FREE(x) \
5943 do { \
5944 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005945 kfree((void *)x); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005946 x = NULL; \
5947 } \
5948 } while (0)
5949
5950 int i;
5951
5952 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005953 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005954 for_each_queue(bp, i) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005955#ifdef BCM_CNIC
5956 /* FCoE client uses default status block */
5957 if (IS_FCOE_IDX(i)) {
5958 union host_hc_status_block *sb =
5959 &bnx2x_fp(bp, i, status_blk);
5960 memset(sb, 0, sizeof(union host_hc_status_block));
5961 bnx2x_fp(bp, i, status_blk_mapping) = 0;
5962 } else {
5963#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005964 /* status blocks */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005965 if (CHIP_IS_E2(bp))
5966 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
5967 bnx2x_fp(bp, i, status_blk_mapping),
5968 sizeof(struct host_hc_status_block_e2));
5969 else
5970 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
5971 bnx2x_fp(bp, i, status_blk_mapping),
5972 sizeof(struct host_hc_status_block_e1x));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005973#ifdef BCM_CNIC
5974 }
5975#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005976 }
5977 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005978 for_each_rx_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005979
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005980 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005981 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5982 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5983 bnx2x_fp(bp, i, rx_desc_mapping),
5984 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5985
5986 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5987 bnx2x_fp(bp, i, rx_comp_mapping),
5988 sizeof(struct eth_fast_path_rx_cqe) *
5989 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005990
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005991 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005992 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005993 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5994 bnx2x_fp(bp, i, rx_sge_mapping),
5995 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5996 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005997 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005998 for_each_tx_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005999
6000 /* fastpath tx rings: tx_buf tx_desc */
6001 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
6002 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
6003 bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07006004 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006005 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006006 /* end of fastpath */
6007
6008 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006009 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006010
6011 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006012 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006013
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006014 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
6015 bp->context.size);
6016
6017 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
6018
6019 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006020
Michael Chan37b091b2009-10-10 13:46:55 +00006021#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006022 if (CHIP_IS_E2(bp))
6023 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
6024 sizeof(struct host_hc_status_block_e2));
6025 else
6026 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
6027 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006028
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006029 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006030#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006031
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006032 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006033
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006034 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
6035 BCM_PAGE_SIZE * NUM_EQ_PAGES);
6036
Tom Herbertab532cf2011-02-16 10:27:02 +00006037 BNX2X_FREE(bp->rx_indir_table);
6038
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006039#undef BNX2X_PCI_FREE
6040#undef BNX2X_KFREE
6041}
6042
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006043static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
6044{
6045 union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
6046 if (CHIP_IS_E2(bp)) {
6047 bnx2x_fp(bp, index, sb_index_values) =
6048 (__le16 *)status_blk.e2_sb->sb.index_values;
6049 bnx2x_fp(bp, index, sb_running_index) =
6050 (__le16 *)status_blk.e2_sb->sb.running_index;
6051 } else {
6052 bnx2x_fp(bp, index, sb_index_values) =
6053 (__le16 *)status_blk.e1x_sb->sb.index_values;
6054 bnx2x_fp(bp, index, sb_running_index) =
6055 (__le16 *)status_blk.e1x_sb->sb.running_index;
6056 }
6057}
6058
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006059int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006060{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006061#define BNX2X_PCI_ALLOC(x, y, size) \
6062 do { \
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006063 x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006064 if (x == NULL) \
6065 goto alloc_mem_err; \
6066 memset(x, 0, size); \
6067 } while (0)
6068
6069#define BNX2X_ALLOC(x, size) \
6070 do { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006071 x = kzalloc(size, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006072 if (x == NULL) \
6073 goto alloc_mem_err; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006074 } while (0)
6075
6076 int i;
6077
6078 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006079 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006080 for_each_queue(bp, i) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006081 union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006082 bnx2x_fp(bp, i, bp) = bp;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006083 /* status blocks */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006084#ifdef BCM_CNIC
6085 if (!IS_FCOE_IDX(i)) {
6086#endif
6087 if (CHIP_IS_E2(bp))
6088 BNX2X_PCI_ALLOC(sb->e2_sb,
6089 &bnx2x_fp(bp, i, status_blk_mapping),
6090 sizeof(struct host_hc_status_block_e2));
6091 else
6092 BNX2X_PCI_ALLOC(sb->e1x_sb,
6093 &bnx2x_fp(bp, i, status_blk_mapping),
6094 sizeof(struct host_hc_status_block_e1x));
6095#ifdef BCM_CNIC
6096 }
6097#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006098 set_sb_shortcuts(bp, i);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006099 }
6100 /* Rx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006101 for_each_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006102
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006103 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006104 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
6105 sizeof(struct sw_rx_bd) * NUM_RX_BD);
6106 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
6107 &bnx2x_fp(bp, i, rx_desc_mapping),
6108 sizeof(struct eth_rx_bd) * NUM_RX_BD);
6109
6110 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
6111 &bnx2x_fp(bp, i, rx_comp_mapping),
6112 sizeof(struct eth_fast_path_rx_cqe) *
6113 NUM_RCQ_BD);
6114
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006115 /* SGE ring */
6116 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
6117 sizeof(struct sw_rx_page) * NUM_RX_SGE);
6118 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
6119 &bnx2x_fp(bp, i, rx_sge_mapping),
6120 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006121 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006122 /* Tx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006123 for_each_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006124
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006125 /* fastpath tx rings: tx_buf tx_desc */
6126 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
6127 sizeof(struct sw_tx_bd) * NUM_TX_BD);
6128 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
6129 &bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07006130 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006131 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006132 /* end of fastpath */
6133
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006134#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006135 if (CHIP_IS_E2(bp))
6136 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
6137 sizeof(struct host_hc_status_block_e2));
6138 else
6139 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
6140 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006141
6142 /* allocate searcher T2 table */
6143 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
6144#endif
6145
6146
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006147 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006148 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006149
6150 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
6151 sizeof(struct bnx2x_slowpath));
6152
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006153 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006154
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006155 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
6156 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006157
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006158 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006159
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006160 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
6161 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006162
6163 /* Slow path ring */
6164 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6165
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006166 /* EQ */
6167 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
6168 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00006169
6170 BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
6171 TSTORM_INDIRECTION_TABLE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006172 return 0;
6173
6174alloc_mem_err:
6175 bnx2x_free_mem(bp);
6176 return -ENOMEM;
6177
6178#undef BNX2X_PCI_ALLOC
6179#undef BNX2X_ALLOC
6180}
6181
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006182/*
6183 * Init service functions
6184 */
stephen hemminger8d962862010-10-21 07:50:56 +00006185static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6186 int *state_p, int flags);
6187
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006188int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006189{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006190 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006191
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006192 /* Wait for completion */
6193 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6194 WAIT_RAMROD_COMMON);
6195}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006196
stephen hemminger8d962862010-10-21 07:50:56 +00006197static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006198{
6199 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006200
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006201 /* Wait for completion */
6202 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6203 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006204}
6205
Michael Chane665bfd2009-10-10 13:46:54 +00006206/**
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006207 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
Michael Chane665bfd2009-10-10 13:46:54 +00006208 *
6209 * @param bp driver descriptor
6210 * @param set set or clear an entry (1 or 0)
6211 * @param mac pointer to a buffer containing a MAC
6212 * @param cl_bit_vec bit vector of clients to register a MAC for
6213 * @param cam_offset offset in a CAM to use
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006214 * @param is_bcast is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006215 */
Joe Perches215faf92010-12-21 02:16:10 -08006216static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006217 u32 cl_bit_vec, u8 cam_offset,
6218 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006219{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006220 struct mac_configuration_cmd *config =
6221 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6222 int ramrod_flags = WAIT_RAMROD_COMMON;
6223
6224 bp->set_mac_pending = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006225
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006226 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006227 config->hdr.offset = cam_offset;
6228 config->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006229 /* Mark the single MAC configuration ramrod as opposed to a
6230 * UC/MC list configuration).
6231 */
6232 config->hdr.echo = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006233
6234 /* primary MAC */
6235 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006236 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006237 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006238 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006239 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006240 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006241 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006242 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006243 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006244 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006245 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006246 SET_FLAG(config->config_table[0].flags,
6247 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6248 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006249 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006250 SET_FLAG(config->config_table[0].flags,
6251 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6252 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006253
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006254 if (is_bcast)
6255 SET_FLAG(config->config_table[0].flags,
6256 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6257
6258 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006259 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006260 config->config_table[0].msb_mac_addr,
6261 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006262 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006263
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006264 mb();
6265
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006266 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006267 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006268 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6269
6270 /* Wait for a completion */
6271 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006272}
6273
stephen hemminger8d962862010-10-21 07:50:56 +00006274static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6275 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006276{
6277 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006278 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006279 u8 poll = flags & WAIT_RAMROD_POLL;
6280 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006281
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006282 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6283 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006284
6285 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006286 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006287 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006288 if (common)
6289 bnx2x_eq_int(bp);
6290 else {
6291 bnx2x_rx_int(bp->fp, 10);
6292 /* if index is different from 0
6293 * the reply for some commands will
6294 * be on the non default queue
6295 */
6296 if (idx)
6297 bnx2x_rx_int(&bp->fp[idx], 10);
6298 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006299 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006300
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006301 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006302 if (*state_p == state) {
6303#ifdef BNX2X_STOP_ON_ERROR
6304 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6305#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006306 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006307 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006308
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006309 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006310
6311 if (bp->panic)
6312 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006313 }
6314
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006315 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006316 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6317 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006318#ifdef BNX2X_STOP_ON_ERROR
6319 bnx2x_panic();
6320#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006321
Eliezer Tamir49d66772008-02-28 11:53:13 -08006322 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006323}
6324
stephen hemminger8d962862010-10-21 07:50:56 +00006325static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006326{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006327 if (CHIP_IS_E1H(bp))
6328 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6329 else if (CHIP_MODE_IS_4_PORT(bp))
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006330 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006331 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006332 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
Michael Chane665bfd2009-10-10 13:46:54 +00006333}
6334
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006335/**
6336 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6337 * relevant. In addition, current implementation is tuned for a
6338 * single ETH MAC.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006339 */
6340enum {
6341 LLH_CAM_ISCSI_ETH_LINE = 0,
6342 LLH_CAM_ETH_LINE,
6343 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6344};
6345
6346static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6347 int set,
6348 unsigned char *dev_addr,
6349 int index)
6350{
6351 u32 wb_data[2];
6352 u32 mem_offset, ena_offset, mem_index;
6353 /**
6354 * indexes mapping:
6355 * 0..7 - goes to MEM
6356 * 8..15 - goes to MEM2
6357 */
6358
6359 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6360 return;
6361
6362 /* calculate memory start offset according to the mapping
6363 * and index in the memory */
6364 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6365 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6366 NIG_REG_LLH0_FUNC_MEM;
6367 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6368 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6369 mem_index = index;
6370 } else {
6371 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6372 NIG_REG_P0_LLH_FUNC_MEM2;
6373 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6374 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6375 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6376 }
6377
6378 if (set) {
6379 /* LLH_FUNC_MEM is a u64 WB register */
6380 mem_offset += 8*mem_index;
6381
6382 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6383 (dev_addr[4] << 8) | dev_addr[5]);
6384 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6385
6386 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6387 }
6388
6389 /* enable/disable the entry */
6390 REG_WR(bp, ena_offset + 4*mem_index, set);
6391
6392}
6393
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006394void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006395{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006396 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6397 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6398
6399 /* networking MAC */
6400 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6401 (1 << bp->fp->cl_id), cam_offset , 0);
6402
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006403 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6404
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006405 if (CHIP_IS_E1(bp)) {
6406 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006407 static const u8 bcast[ETH_ALEN] = {
6408 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6409 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006410 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6411 }
6412}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006413
6414static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6415{
6416 return CHIP_REV_IS_SLOW(bp) ?
6417 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6418 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6419}
6420
6421/* set mc list, do not wait as wait implies sleep and
6422 * set_rx_mode can be invoked from non-sleepable context.
6423 *
6424 * Instead we use the same ramrod data buffer each time we need
6425 * to configure a list of addresses, and use the fact that the
6426 * list of MACs is changed in an incremental way and that the
6427 * function is called under the netif_addr_lock. A temporary
6428 * inconsistent CAM configuration (possible in case of a very fast
6429 * sequence of add/del/add on the host side) will shortly be
6430 * restored by the handler of the last ramrod.
6431 */
6432static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006433{
6434 int i = 0, old;
6435 struct net_device *dev = bp->dev;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006436 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006437 struct netdev_hw_addr *ha;
6438 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6439 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6440
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006441 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6442 return -EINVAL;
6443
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006444 netdev_for_each_mc_addr(ha, dev) {
6445 /* copy mac */
6446 config_cmd->config_table[i].msb_mac_addr =
6447 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6448 config_cmd->config_table[i].middle_mac_addr =
6449 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6450 config_cmd->config_table[i].lsb_mac_addr =
6451 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6452
6453 config_cmd->config_table[i].vlan_id = 0;
6454 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6455 config_cmd->config_table[i].clients_bit_vector =
6456 cpu_to_le32(1 << BP_L_ID(bp));
6457
6458 SET_FLAG(config_cmd->config_table[i].flags,
6459 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6460 T_ETH_MAC_COMMAND_SET);
6461
6462 DP(NETIF_MSG_IFUP,
6463 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6464 config_cmd->config_table[i].msb_mac_addr,
6465 config_cmd->config_table[i].middle_mac_addr,
6466 config_cmd->config_table[i].lsb_mac_addr);
6467 i++;
6468 }
6469 old = config_cmd->hdr.length;
6470 if (old > i) {
6471 for (; i < old; i++) {
6472 if (CAM_IS_INVALID(config_cmd->
6473 config_table[i])) {
6474 /* already invalidated */
6475 break;
6476 }
6477 /* invalidate */
6478 SET_FLAG(config_cmd->config_table[i].flags,
6479 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6480 T_ETH_MAC_COMMAND_INVALIDATE);
6481 }
6482 }
6483
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006484 wmb();
6485
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006486 config_cmd->hdr.length = i;
6487 config_cmd->hdr.offset = offset;
6488 config_cmd->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006489 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6490 * synchronization.
6491 */
6492 config_cmd->hdr.echo = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006493
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006494 mb();
Michael Chane665bfd2009-10-10 13:46:54 +00006495
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006496 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006497 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6498}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006499
6500void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006501{
6502 int i;
6503 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6504 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6505 int ramrod_flags = WAIT_RAMROD_COMMON;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006506 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006507
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006508 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006509 SET_FLAG(config_cmd->config_table[i].flags,
6510 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6511 T_ETH_MAC_COMMAND_INVALIDATE);
6512
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006513 wmb();
6514
6515 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6516 config_cmd->hdr.offset = offset;
6517 config_cmd->hdr.client_id = 0xff;
6518 /* We'll wait for a completion this time... */
6519 config_cmd->hdr.echo = 1;
6520
6521 bp->set_mac_pending = 1;
6522
6523 mb();
6524
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006525 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6526 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006527
6528 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006529 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6530 ramrod_flags);
6531
Michael Chane665bfd2009-10-10 13:46:54 +00006532}
6533
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006534/* Accept one or more multicasts */
6535static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6536{
6537 struct net_device *dev = bp->dev;
6538 struct netdev_hw_addr *ha;
6539 u32 mc_filter[MC_HASH_SIZE];
6540 u32 crc, bit, regidx;
6541 int i;
6542
6543 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6544
6545 netdev_for_each_mc_addr(ha, dev) {
6546 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6547 bnx2x_mc_addr(ha));
6548
6549 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6550 ETH_ALEN);
6551 bit = (crc >> 24) & 0xff;
6552 regidx = bit >> 5;
6553 bit &= 0x1f;
6554 mc_filter[regidx] |= (1 << bit);
6555 }
6556
6557 for (i = 0; i < MC_HASH_SIZE; i++)
6558 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6559 mc_filter[i]);
6560
6561 return 0;
6562}
6563
6564void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6565{
6566 int i;
6567
6568 for (i = 0; i < MC_HASH_SIZE; i++)
6569 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6570}
6571
Michael Chan993ac7b2009-10-10 13:46:56 +00006572#ifdef BCM_CNIC
6573/**
6574 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
6575 * MAC(s). This function will wait until the ramdord completion
6576 * returns.
6577 *
6578 * @param bp driver handle
6579 * @param set set or clear the CAM entry
6580 *
6581 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6582 */
stephen hemminger8d962862010-10-21 07:50:56 +00006583static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006584{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006585 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6586 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006587 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6588 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006589 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006590 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006591
6592 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006593 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006594 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006595
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006596 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006597
6598 return 0;
6599}
6600
6601/**
6602 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
6603 * ETH MAC(s). This function will wait until the ramdord
6604 * completion returns.
6605 *
6606 * @param bp driver handle
6607 * @param set set or clear the CAM entry
6608 *
6609 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6610 */
6611int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6612{
6613 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6614 /**
6615 * CAM allocation for E1H
6616 * eth unicasts: by func number
6617 * iscsi: by func number
6618 * fip unicast: by func number
6619 * fip multicast: by func number
6620 */
6621 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6622 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6623
6624 return 0;
6625}
6626
6627int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6628{
6629 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6630
6631 /**
6632 * CAM allocation for E1H
6633 * eth unicasts: by func number
6634 * iscsi: by func number
6635 * fip unicast: by func number
6636 * fip multicast: by func number
6637 */
6638 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6639 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6640
Michael Chan993ac7b2009-10-10 13:46:56 +00006641 return 0;
6642}
6643#endif
6644
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006645static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6646 struct bnx2x_client_init_params *params,
6647 u8 activate,
6648 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006649{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006650 /* Clear the buffer */
6651 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006652
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006653 /* general */
6654 data->general.client_id = params->rxq_params.cl_id;
6655 data->general.statistics_counter_id = params->rxq_params.stat_id;
6656 data->general.statistics_en_flg =
6657 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006658 data->general.is_fcoe_flg =
6659 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006660 data->general.activate_flg = activate;
6661 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006662
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006663 /* Rx data */
6664 data->rx.tpa_en_flg =
6665 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6666 data->rx.vmqueue_mode_en_flg = 0;
6667 data->rx.cache_line_alignment_log_size =
6668 params->rxq_params.cache_line_log;
6669 data->rx.enable_dynamic_hc =
6670 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6671 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6672 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6673 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6674
6675 /* We don't set drop flags */
6676 data->rx.drop_ip_cs_err_flg = 0;
6677 data->rx.drop_tcp_cs_err_flg = 0;
6678 data->rx.drop_ttl0_flg = 0;
6679 data->rx.drop_udp_cs_err_flg = 0;
6680
6681 data->rx.inner_vlan_removal_enable_flg =
6682 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6683 data->rx.outer_vlan_removal_enable_flg =
6684 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6685 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6686 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6687 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6688 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6689 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6690 data->rx.bd_page_base.lo =
6691 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6692 data->rx.bd_page_base.hi =
6693 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6694 data->rx.sge_page_base.lo =
6695 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6696 data->rx.sge_page_base.hi =
6697 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6698 data->rx.cqe_page_base.lo =
6699 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6700 data->rx.cqe_page_base.hi =
6701 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6702 data->rx.is_leading_rss =
6703 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6704 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6705
6706 /* Tx data */
6707 data->tx.enforce_security_flg = 0; /* VF specific */
6708 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6709 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6710 data->tx.mtu = 0; /* VF specific */
6711 data->tx.tx_bd_page_base.lo =
6712 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6713 data->tx.tx_bd_page_base.hi =
6714 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6715
6716 /* flow control data */
6717 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6718 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6719 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6720 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6721 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6722 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6723 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6724
6725 data->fc.safc_group_num = params->txq_params.cos;
6726 data->fc.safc_group_en_flg =
6727 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006728 data->fc.traffic_type =
6729 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6730 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006731}
6732
6733static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6734{
6735 /* ustorm cxt validation */
6736 cxt->ustorm_ag_context.cdu_usage =
6737 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6738 ETH_CONNECTION_TYPE);
6739 /* xcontext validation */
6740 cxt->xstorm_ag_context.cdu_reserved =
6741 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6742 ETH_CONNECTION_TYPE);
6743}
6744
stephen hemminger8d962862010-10-21 07:50:56 +00006745static int bnx2x_setup_fw_client(struct bnx2x *bp,
6746 struct bnx2x_client_init_params *params,
6747 u8 activate,
6748 struct client_init_ramrod_data *data,
6749 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006750{
6751 u16 hc_usec;
6752 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6753 int ramrod_flags = 0, rc;
6754
6755 /* HC and context validation values */
6756 hc_usec = params->txq_params.hc_rate ?
6757 1000000 / params->txq_params.hc_rate : 0;
6758 bnx2x_update_coalesce_sb_index(bp,
6759 params->txq_params.fw_sb_id,
6760 params->txq_params.sb_cq_index,
6761 !(params->txq_params.flags & QUEUE_FLG_HC),
6762 hc_usec);
6763
6764 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6765
6766 hc_usec = params->rxq_params.hc_rate ?
6767 1000000 / params->rxq_params.hc_rate : 0;
6768 bnx2x_update_coalesce_sb_index(bp,
6769 params->rxq_params.fw_sb_id,
6770 params->rxq_params.sb_cq_index,
6771 !(params->rxq_params.flags & QUEUE_FLG_HC),
6772 hc_usec);
6773
6774 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6775 params->rxq_params.cid);
6776
6777 /* zero stats */
6778 if (params->txq_params.flags & QUEUE_FLG_STATS)
6779 storm_memset_xstats_zero(bp, BP_PORT(bp),
6780 params->txq_params.stat_id);
6781
6782 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6783 storm_memset_ustats_zero(bp, BP_PORT(bp),
6784 params->rxq_params.stat_id);
6785 storm_memset_tstats_zero(bp, BP_PORT(bp),
6786 params->rxq_params.stat_id);
6787 }
6788
6789 /* Fill the ramrod data */
6790 bnx2x_fill_cl_init_data(bp, params, activate, data);
6791
6792 /* SETUP ramrod.
6793 *
6794 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6795 * barrier except from mmiowb() is needed to impose a
6796 * proper ordering of memory operations.
6797 */
6798 mmiowb();
6799
6800
6801 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6802 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006803
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006804 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006805 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6806 params->ramrod_params.index,
6807 params->ramrod_params.pstate,
6808 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006809 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006810}
6811
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006812/**
6813 * Configure interrupt mode according to current configuration.
6814 * In case of MSI-X it will also try to enable MSI-X.
6815 *
6816 * @param bp
6817 *
6818 * @return int
6819 */
6820static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006821{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006822 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006823
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006824 switch (bp->int_mode) {
6825 case INT_MODE_MSI:
6826 bnx2x_enable_msi(bp);
6827 /* falling through... */
6828 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006829 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006830 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006831 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006832 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006833 /* Set number of queues according to bp->multi_mode value */
6834 bnx2x_set_num_queues(bp);
6835
6836 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6837 bp->num_queues);
6838
6839 /* if we can't use MSI-X we only need one fp,
6840 * so try to enable MSI-X with the requested number of fp's
6841 * and fallback to MSI or legacy INTx with one fp
6842 */
6843 rc = bnx2x_enable_msix(bp);
6844 if (rc) {
6845 /* failed to enable MSI-X */
6846 if (bp->multi_mode)
6847 DP(NETIF_MSG_IFUP,
6848 "Multi requested but failed to "
6849 "enable MSI-X (%d), "
6850 "set number of queues to %d\n",
6851 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006852 1 + NONE_ETH_CONTEXT_USE);
6853 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006854
6855 if (!(bp->flags & DISABLE_MSI_FLAG))
6856 bnx2x_enable_msi(bp);
6857 }
6858
Eilon Greensteinca003922009-08-12 22:53:28 -07006859 break;
6860 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006861
6862 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006863}
6864
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006865/* must be called prioir to any HW initializations */
6866static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6867{
6868 return L2_ILT_LINES(bp);
6869}
6870
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006871void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006872{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006873 struct ilt_client_info *ilt_client;
6874 struct bnx2x_ilt *ilt = BP_ILT(bp);
6875 u16 line = 0;
6876
6877 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6878 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6879
6880 /* CDU */
6881 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6882 ilt_client->client_num = ILT_CLIENT_CDU;
6883 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6884 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6885 ilt_client->start = line;
6886 line += L2_ILT_LINES(bp);
6887#ifdef BCM_CNIC
6888 line += CNIC_ILT_LINES;
6889#endif
6890 ilt_client->end = line - 1;
6891
6892 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6893 "flags 0x%x, hw psz %d\n",
6894 ilt_client->start,
6895 ilt_client->end,
6896 ilt_client->page_size,
6897 ilt_client->flags,
6898 ilog2(ilt_client->page_size >> 12));
6899
6900 /* QM */
6901 if (QM_INIT(bp->qm_cid_count)) {
6902 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6903 ilt_client->client_num = ILT_CLIENT_QM;
6904 ilt_client->page_size = QM_ILT_PAGE_SZ;
6905 ilt_client->flags = 0;
6906 ilt_client->start = line;
6907
6908 /* 4 bytes for each cid */
6909 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6910 QM_ILT_PAGE_SZ);
6911
6912 ilt_client->end = line - 1;
6913
6914 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6915 "flags 0x%x, hw psz %d\n",
6916 ilt_client->start,
6917 ilt_client->end,
6918 ilt_client->page_size,
6919 ilt_client->flags,
6920 ilog2(ilt_client->page_size >> 12));
6921
6922 }
6923 /* SRC */
6924 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6925#ifdef BCM_CNIC
6926 ilt_client->client_num = ILT_CLIENT_SRC;
6927 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6928 ilt_client->flags = 0;
6929 ilt_client->start = line;
6930 line += SRC_ILT_LINES;
6931 ilt_client->end = line - 1;
6932
6933 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6934 "flags 0x%x, hw psz %d\n",
6935 ilt_client->start,
6936 ilt_client->end,
6937 ilt_client->page_size,
6938 ilt_client->flags,
6939 ilog2(ilt_client->page_size >> 12));
6940
6941#else
6942 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6943#endif
6944
6945 /* TM */
6946 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6947#ifdef BCM_CNIC
6948 ilt_client->client_num = ILT_CLIENT_TM;
6949 ilt_client->page_size = TM_ILT_PAGE_SZ;
6950 ilt_client->flags = 0;
6951 ilt_client->start = line;
6952 line += TM_ILT_LINES;
6953 ilt_client->end = line - 1;
6954
6955 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6956 "flags 0x%x, hw psz %d\n",
6957 ilt_client->start,
6958 ilt_client->end,
6959 ilt_client->page_size,
6960 ilt_client->flags,
6961 ilog2(ilt_client->page_size >> 12));
6962
6963#else
6964 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6965#endif
6966}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006967
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006968int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6969 int is_leading)
6970{
6971 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006972 int rc;
6973
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006974 /* reset IGU state skip FCoE L2 queue */
6975 if (!IS_FCOE_FP(fp))
6976 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006977 IGU_INT_ENABLE, 0);
6978
6979 params.ramrod_params.pstate = &fp->state;
6980 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6981 params.ramrod_params.index = fp->index;
6982 params.ramrod_params.cid = fp->cid;
6983
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006984#ifdef BCM_CNIC
6985 if (IS_FCOE_FP(fp))
6986 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6987
6988#endif
6989
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006990 if (is_leading)
6991 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6992
6993 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6994
6995 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6996
6997 rc = bnx2x_setup_fw_client(bp, &params, 1,
6998 bnx2x_sp(bp, client_init_data),
6999 bnx2x_sp_mapping(bp, client_init_data));
7000 return rc;
7001}
7002
stephen hemminger8d962862010-10-21 07:50:56 +00007003static int bnx2x_stop_fw_client(struct bnx2x *bp,
7004 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007005{
7006 int rc;
7007
7008 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
7009
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007010 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007011 *p->pstate = BNX2X_FP_STATE_HALTING;
7012 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
7013 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007014
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007015 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007016 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
7017 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007018 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007019 return rc;
7020
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007021 *p->pstate = BNX2X_FP_STATE_TERMINATING;
7022 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
7023 p->cl_id, 0);
7024 /* Wait for completion */
7025 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
7026 p->pstate, poll_flag);
7027 if (rc) /* timeout */
7028 return rc;
7029
7030
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007031 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007032 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007033
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007034 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007035 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
7036 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007037 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007038}
7039
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007040static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007041{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007042 struct bnx2x_client_ramrod_params client_stop = {0};
7043 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007044
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007045 client_stop.index = index;
7046 client_stop.cid = fp->cid;
7047 client_stop.cl_id = fp->cl_id;
7048 client_stop.pstate = &(fp->state);
7049 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007050
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007051 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007052}
7053
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007054
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007055static void bnx2x_reset_func(struct bnx2x *bp)
7056{
7057 int port = BP_PORT(bp);
7058 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007059 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007060 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007061 (CHIP_IS_E2(bp) ?
7062 offsetof(struct hc_status_block_data_e2, common) :
7063 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007064 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
7065 int pfid_offset = offsetof(struct pci_entity, pf_id);
7066
7067 /* Disable the function in the FW */
7068 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
7069 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
7070 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
7071 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
7072
7073 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007074 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007075 struct bnx2x_fastpath *fp = &bp->fp[i];
7076 REG_WR8(bp,
7077 BAR_CSTRORM_INTMEM +
7078 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
7079 + pfunc_offset_fp + pfid_offset,
7080 HC_FUNCTION_DISABLED);
7081 }
7082
7083 /* SP SB */
7084 REG_WR8(bp,
7085 BAR_CSTRORM_INTMEM +
7086 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
7087 pfunc_offset_sp + pfid_offset,
7088 HC_FUNCTION_DISABLED);
7089
7090
7091 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
7092 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
7093 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08007094
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007095 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007096 if (bp->common.int_block == INT_BLOCK_HC) {
7097 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7098 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7099 } else {
7100 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7101 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7102 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007103
Michael Chan37b091b2009-10-10 13:46:55 +00007104#ifdef BCM_CNIC
7105 /* Disable Timer scan */
7106 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
7107 /*
7108 * Wait for at least 10ms and up to 2 second for the timers scan to
7109 * complete
7110 */
7111 for (i = 0; i < 200; i++) {
7112 msleep(10);
7113 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
7114 break;
7115 }
7116#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007117 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007118 bnx2x_clear_func_ilt(bp, func);
7119
7120 /* Timers workaround bug for E2: if this is vnic-3,
7121 * we need to set the entire ilt range for this timers.
7122 */
7123 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
7124 struct ilt_client_info ilt_cli;
7125 /* use dummy TM client */
7126 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7127 ilt_cli.start = 0;
7128 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7129 ilt_cli.client_num = ILT_CLIENT_TM;
7130
7131 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7132 }
7133
7134 /* this assumes that reset_port() called before reset_func()*/
7135 if (CHIP_IS_E2(bp))
7136 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007137
7138 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007139}
7140
7141static void bnx2x_reset_port(struct bnx2x *bp)
7142{
7143 int port = BP_PORT(bp);
7144 u32 val;
7145
7146 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7147
7148 /* Do not rcv packets to BRB */
7149 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7150 /* Do not direct rcv packets that are not for MCP to the BRB */
7151 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7152 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7153
7154 /* Configure AEU */
7155 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7156
7157 msleep(100);
7158 /* Check for BRB port occupancy */
7159 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7160 if (val)
7161 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007162 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007163
7164 /* TODO: Close Doorbell port? */
7165}
7166
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007167static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7168{
7169 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007170 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007171
7172 switch (reset_code) {
7173 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7174 bnx2x_reset_port(bp);
7175 bnx2x_reset_func(bp);
7176 bnx2x_reset_common(bp);
7177 break;
7178
7179 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7180 bnx2x_reset_port(bp);
7181 bnx2x_reset_func(bp);
7182 break;
7183
7184 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7185 bnx2x_reset_func(bp);
7186 break;
7187
7188 default:
7189 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7190 break;
7191 }
7192}
7193
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007194#ifdef BCM_CNIC
7195static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7196{
7197 if (bp->flags & FCOE_MACS_SET) {
7198 if (!IS_MF_SD(bp))
7199 bnx2x_set_fip_eth_mac_addr(bp, 0);
7200
7201 bnx2x_set_all_enode_macs(bp, 0);
7202
7203 bp->flags &= ~FCOE_MACS_SET;
7204 }
7205}
7206#endif
7207
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007208void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007209{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007210 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007211 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007212 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007213
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007214 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007215 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007216 struct bnx2x_fastpath *fp = &bp->fp[i];
7217
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007218 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007219 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007220
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007221 if (!cnt) {
7222 BNX2X_ERR("timeout waiting for queue[%d]\n",
7223 i);
7224#ifdef BNX2X_STOP_ON_ERROR
7225 bnx2x_panic();
7226 return -EBUSY;
7227#else
7228 break;
7229#endif
7230 }
7231 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007232 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007233 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007234 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007235 /* Give HW time to discard old tx messages */
7236 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007237
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007238 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007239
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007240 bnx2x_invalidate_uc_list(bp);
7241
7242 if (CHIP_IS_E1(bp))
7243 bnx2x_invalidate_e1_mc_list(bp);
7244 else {
7245 bnx2x_invalidate_e1h_mc_list(bp);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007246 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007247 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007248
Michael Chan993ac7b2009-10-10 13:46:56 +00007249#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007250 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007251#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007252
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007253 if (unload_mode == UNLOAD_NORMAL)
7254 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007255
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007256 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007257 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007258
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007259 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007260 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007261 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007262 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007263 /* The mac address is written to entries 1-4 to
7264 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007265 u8 entry = (BP_E1HVN(bp) + 1)*8;
7266
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007267 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007268 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007269
7270 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7271 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007272 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007273
7274 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007275
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007276 } else
7277 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7278
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007279 /* Close multi and leading connections
7280 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007281 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007282
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007283 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007284#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007285 return;
7286#else
7287 goto unload_error;
7288#endif
7289
7290 rc = bnx2x_func_stop(bp);
7291 if (rc) {
7292 BNX2X_ERR("Function stop failed!\n");
7293#ifdef BNX2X_STOP_ON_ERROR
7294 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007295#else
7296 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007297#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007298 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007299#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007300unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007301#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007302 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007303 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007304 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007305 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7306 "%d, %d, %d\n", BP_PATH(bp),
7307 load_count[BP_PATH(bp)][0],
7308 load_count[BP_PATH(bp)][1],
7309 load_count[BP_PATH(bp)][2]);
7310 load_count[BP_PATH(bp)][0]--;
7311 load_count[BP_PATH(bp)][1 + port]--;
7312 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7313 "%d, %d, %d\n", BP_PATH(bp),
7314 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7315 load_count[BP_PATH(bp)][2]);
7316 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007317 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007318 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007319 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7320 else
7321 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7322 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007323
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007324 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7325 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7326 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007327
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007328 /* Disable HW interrupts, NAPI */
7329 bnx2x_netif_stop(bp, 1);
7330
7331 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007332 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007333
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007334 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007335 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007336
7337 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007338 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007339 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007340
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007341}
7342
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007343void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007344{
7345 u32 val;
7346
7347 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7348
7349 if (CHIP_IS_E1(bp)) {
7350 int port = BP_PORT(bp);
7351 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7352 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7353
7354 val = REG_RD(bp, addr);
7355 val &= ~(0x300);
7356 REG_WR(bp, addr, val);
7357 } else if (CHIP_IS_E1H(bp)) {
7358 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7359 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7360 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7361 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7362 }
7363}
7364
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007365/* Close gates #2, #3 and #4: */
7366static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7367{
7368 u32 val, addr;
7369
7370 /* Gates #2 and #4a are closed/opened for "not E1" only */
7371 if (!CHIP_IS_E1(bp)) {
7372 /* #4 */
7373 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7374 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7375 close ? (val | 0x1) : (val & (~(u32)1)));
7376 /* #2 */
7377 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7378 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7379 close ? (val | 0x1) : (val & (~(u32)1)));
7380 }
7381
7382 /* #3 */
7383 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7384 val = REG_RD(bp, addr);
7385 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7386
7387 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7388 close ? "closing" : "opening");
7389 mmiowb();
7390}
7391
7392#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7393
7394static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7395{
7396 /* Do some magic... */
7397 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7398 *magic_val = val & SHARED_MF_CLP_MAGIC;
7399 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7400}
7401
7402/* Restore the value of the `magic' bit.
7403 *
7404 * @param pdev Device handle.
7405 * @param magic_val Old value of the `magic' bit.
7406 */
7407static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7408{
7409 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007410 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7411 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7412 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7413}
7414
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007415/**
7416 * Prepares for MCP reset: takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007417 *
7418 * @param bp
7419 * @param magic_val Old value of 'magic' bit.
7420 */
7421static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7422{
7423 u32 shmem;
7424 u32 validity_offset;
7425
7426 DP(NETIF_MSG_HW, "Starting\n");
7427
7428 /* Set `magic' bit in order to save MF config */
7429 if (!CHIP_IS_E1(bp))
7430 bnx2x_clp_reset_prep(bp, magic_val);
7431
7432 /* Get shmem offset */
7433 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7434 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7435
7436 /* Clear validity map flags */
7437 if (shmem > 0)
7438 REG_WR(bp, shmem + validity_offset, 0);
7439}
7440
7441#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7442#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7443
7444/* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
7445 * depending on the HW type.
7446 *
7447 * @param bp
7448 */
7449static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7450{
7451 /* special handling for emulation and FPGA,
7452 wait 10 times longer */
7453 if (CHIP_REV_IS_SLOW(bp))
7454 msleep(MCP_ONE_TIMEOUT*10);
7455 else
7456 msleep(MCP_ONE_TIMEOUT);
7457}
7458
7459static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7460{
7461 u32 shmem, cnt, validity_offset, val;
7462 int rc = 0;
7463
7464 msleep(100);
7465
7466 /* Get shmem offset */
7467 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7468 if (shmem == 0) {
7469 BNX2X_ERR("Shmem 0 return failure\n");
7470 rc = -ENOTTY;
7471 goto exit_lbl;
7472 }
7473
7474 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7475
7476 /* Wait for MCP to come up */
7477 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7478 /* TBD: its best to check validity map of last port.
7479 * currently checks on port 0.
7480 */
7481 val = REG_RD(bp, shmem + validity_offset);
7482 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7483 shmem + validity_offset, val);
7484
7485 /* check that shared memory is valid. */
7486 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7487 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7488 break;
7489
7490 bnx2x_mcp_wait_one(bp);
7491 }
7492
7493 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7494
7495 /* Check that shared memory is valid. This indicates that MCP is up. */
7496 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7497 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7498 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7499 rc = -ENOTTY;
7500 goto exit_lbl;
7501 }
7502
7503exit_lbl:
7504 /* Restore the `magic' bit value */
7505 if (!CHIP_IS_E1(bp))
7506 bnx2x_clp_reset_done(bp, magic_val);
7507
7508 return rc;
7509}
7510
7511static void bnx2x_pxp_prep(struct bnx2x *bp)
7512{
7513 if (!CHIP_IS_E1(bp)) {
7514 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7515 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7516 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7517 mmiowb();
7518 }
7519}
7520
7521/*
7522 * Reset the whole chip except for:
7523 * - PCIE core
7524 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7525 * one reset bit)
7526 * - IGU
7527 * - MISC (including AEU)
7528 * - GRC
7529 * - RBCN, RBCP
7530 */
7531static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7532{
7533 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7534
7535 not_reset_mask1 =
7536 MISC_REGISTERS_RESET_REG_1_RST_HC |
7537 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7538 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7539
7540 not_reset_mask2 =
7541 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7542 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7543 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7544 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7545 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7546 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7547 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7548 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7549
7550 reset_mask1 = 0xffffffff;
7551
7552 if (CHIP_IS_E1(bp))
7553 reset_mask2 = 0xffff;
7554 else
7555 reset_mask2 = 0x1ffff;
7556
7557 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7558 reset_mask1 & (~not_reset_mask1));
7559 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7560 reset_mask2 & (~not_reset_mask2));
7561
7562 barrier();
7563 mmiowb();
7564
7565 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7566 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7567 mmiowb();
7568}
7569
7570static int bnx2x_process_kill(struct bnx2x *bp)
7571{
7572 int cnt = 1000;
7573 u32 val = 0;
7574 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7575
7576
7577 /* Empty the Tetris buffer, wait for 1s */
7578 do {
7579 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7580 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7581 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7582 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7583 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7584 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7585 ((port_is_idle_0 & 0x1) == 0x1) &&
7586 ((port_is_idle_1 & 0x1) == 0x1) &&
7587 (pgl_exp_rom2 == 0xffffffff))
7588 break;
7589 msleep(1);
7590 } while (cnt-- > 0);
7591
7592 if (cnt <= 0) {
7593 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7594 " are still"
7595 " outstanding read requests after 1s!\n");
7596 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7597 " port_is_idle_0=0x%08x,"
7598 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7599 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7600 pgl_exp_rom2);
7601 return -EAGAIN;
7602 }
7603
7604 barrier();
7605
7606 /* Close gates #2, #3 and #4 */
7607 bnx2x_set_234_gates(bp, true);
7608
7609 /* TBD: Indicate that "process kill" is in progress to MCP */
7610
7611 /* Clear "unprepared" bit */
7612 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7613 barrier();
7614
7615 /* Make sure all is written to the chip before the reset */
7616 mmiowb();
7617
7618 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7619 * PSWHST, GRC and PSWRD Tetris buffer.
7620 */
7621 msleep(1);
7622
7623 /* Prepare to chip reset: */
7624 /* MCP */
7625 bnx2x_reset_mcp_prep(bp, &val);
7626
7627 /* PXP */
7628 bnx2x_pxp_prep(bp);
7629 barrier();
7630
7631 /* reset the chip */
7632 bnx2x_process_kill_chip_reset(bp);
7633 barrier();
7634
7635 /* Recover after reset: */
7636 /* MCP */
7637 if (bnx2x_reset_mcp_comp(bp, val))
7638 return -EAGAIN;
7639
7640 /* PXP */
7641 bnx2x_pxp_prep(bp);
7642
7643 /* Open the gates #2, #3 and #4 */
7644 bnx2x_set_234_gates(bp, false);
7645
7646 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7647 * reset state, re-enable attentions. */
7648
7649 return 0;
7650}
7651
7652static int bnx2x_leader_reset(struct bnx2x *bp)
7653{
7654 int rc = 0;
7655 /* Try to recover after the failure */
7656 if (bnx2x_process_kill(bp)) {
7657 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7658 bp->dev->name);
7659 rc = -EAGAIN;
7660 goto exit_leader_reset;
7661 }
7662
7663 /* Clear "reset is in progress" bit and update the driver state */
7664 bnx2x_set_reset_done(bp);
7665 bp->recovery_state = BNX2X_RECOVERY_DONE;
7666
7667exit_leader_reset:
7668 bp->is_leader = 0;
7669 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7670 smp_wmb();
7671 return rc;
7672}
7673
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007674/* Assumption: runs under rtnl lock. This together with the fact
7675 * that it's called only from bnx2x_reset_task() ensure that it
7676 * will never be called when netif_running(bp->dev) is false.
7677 */
7678static void bnx2x_parity_recover(struct bnx2x *bp)
7679{
7680 DP(NETIF_MSG_HW, "Handling parity\n");
7681 while (1) {
7682 switch (bp->recovery_state) {
7683 case BNX2X_RECOVERY_INIT:
7684 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7685 /* Try to get a LEADER_LOCK HW lock */
7686 if (bnx2x_trylock_hw_lock(bp,
7687 HW_LOCK_RESOURCE_RESERVED_08))
7688 bp->is_leader = 1;
7689
7690 /* Stop the driver */
7691 /* If interface has been removed - break */
7692 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7693 return;
7694
7695 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7696 /* Ensure "is_leader" and "recovery_state"
7697 * update values are seen on other CPUs
7698 */
7699 smp_wmb();
7700 break;
7701
7702 case BNX2X_RECOVERY_WAIT:
7703 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7704 if (bp->is_leader) {
7705 u32 load_counter = bnx2x_get_load_cnt(bp);
7706 if (load_counter) {
7707 /* Wait until all other functions get
7708 * down.
7709 */
7710 schedule_delayed_work(&bp->reset_task,
7711 HZ/10);
7712 return;
7713 } else {
7714 /* If all other functions got down -
7715 * try to bring the chip back to
7716 * normal. In any case it's an exit
7717 * point for a leader.
7718 */
7719 if (bnx2x_leader_reset(bp) ||
7720 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7721 printk(KERN_ERR"%s: Recovery "
7722 "has failed. Power cycle is "
7723 "needed.\n", bp->dev->name);
7724 /* Disconnect this device */
7725 netif_device_detach(bp->dev);
7726 /* Block ifup for all function
7727 * of this ASIC until
7728 * "process kill" or power
7729 * cycle.
7730 */
7731 bnx2x_set_reset_in_progress(bp);
7732 /* Shut down the power */
7733 bnx2x_set_power_state(bp,
7734 PCI_D3hot);
7735 return;
7736 }
7737
7738 return;
7739 }
7740 } else { /* non-leader */
7741 if (!bnx2x_reset_is_done(bp)) {
7742 /* Try to get a LEADER_LOCK HW lock as
7743 * long as a former leader may have
7744 * been unloaded by the user or
7745 * released a leadership by another
7746 * reason.
7747 */
7748 if (bnx2x_trylock_hw_lock(bp,
7749 HW_LOCK_RESOURCE_RESERVED_08)) {
7750 /* I'm a leader now! Restart a
7751 * switch case.
7752 */
7753 bp->is_leader = 1;
7754 break;
7755 }
7756
7757 schedule_delayed_work(&bp->reset_task,
7758 HZ/10);
7759 return;
7760
7761 } else { /* A leader has completed
7762 * the "process kill". It's an exit
7763 * point for a non-leader.
7764 */
7765 bnx2x_nic_load(bp, LOAD_NORMAL);
7766 bp->recovery_state =
7767 BNX2X_RECOVERY_DONE;
7768 smp_wmb();
7769 return;
7770 }
7771 }
7772 default:
7773 return;
7774 }
7775 }
7776}
7777
7778/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7779 * scheduled on a general queue in order to prevent a dead lock.
7780 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007781static void bnx2x_reset_task(struct work_struct *work)
7782{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007783 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007784
7785#ifdef BNX2X_STOP_ON_ERROR
7786 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7787 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007788 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007789 return;
7790#endif
7791
7792 rtnl_lock();
7793
7794 if (!netif_running(bp->dev))
7795 goto reset_task_exit;
7796
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007797 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7798 bnx2x_parity_recover(bp);
7799 else {
7800 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7801 bnx2x_nic_load(bp, LOAD_NORMAL);
7802 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007803
7804reset_task_exit:
7805 rtnl_unlock();
7806}
7807
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007808/* end of nic load/unload */
7809
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007810/*
7811 * Init service functions
7812 */
7813
stephen hemminger8d962862010-10-21 07:50:56 +00007814static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007815{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007816 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7817 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7818 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007819}
7820
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007821static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007822{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007823 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007824
7825 /* Flush all outstanding writes */
7826 mmiowb();
7827
7828 /* Pretend to be function 0 */
7829 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007830 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007831
7832 /* From now we are in the "like-E1" mode */
7833 bnx2x_int_disable(bp);
7834
7835 /* Flush all outstanding writes */
7836 mmiowb();
7837
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007838 /* Restore the original function */
7839 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7840 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007841}
7842
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007843static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007844{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007845 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007846 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007847 else
7848 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007849}
7850
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007851static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007852{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007853 u32 val;
7854
7855 /* Check if there is any driver already loaded */
7856 val = REG_RD(bp, MISC_REG_UNPREPARED);
7857 if (val == 0x1) {
7858 /* Check if it is the UNDI driver
7859 * UNDI driver initializes CID offset for normal bell to 0x7
7860 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007861 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007862 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7863 if (val == 0x7) {
7864 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007865 /* save our pf_num */
7866 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007867 u32 swap_en;
7868 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007869
Eilon Greensteinb4661732009-01-14 06:43:56 +00007870 /* clear the UNDI indication */
7871 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7872
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007873 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7874
7875 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007876 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007877 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007878 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007879 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007880 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007881
7882 /* if UNDI is loaded on the other port */
7883 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7884
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007885 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007886 bnx2x_fw_command(bp,
7887 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007888
7889 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007890 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007891 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007892 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007893 DRV_MSG_SEQ_NUMBER_MASK);
7894 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007895
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007896 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007897 }
7898
Eilon Greensteinb4661732009-01-14 06:43:56 +00007899 /* now it's safe to release the lock */
7900 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7901
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007902 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007903
7904 /* close input traffic and wait for it */
7905 /* Do not rcv packets to BRB */
7906 REG_WR(bp,
7907 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7908 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7909 /* Do not direct rcv packets that are not for MCP to
7910 * the BRB */
7911 REG_WR(bp,
7912 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7913 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7914 /* clear AEU */
7915 REG_WR(bp,
7916 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7917 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7918 msleep(10);
7919
7920 /* save NIG port swap info */
7921 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7922 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007923 /* reset device */
7924 REG_WR(bp,
7925 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007926 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007927 REG_WR(bp,
7928 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7929 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007930 /* take the NIG out of reset and restore swap values */
7931 REG_WR(bp,
7932 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7933 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7934 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7935 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7936
7937 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007938 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007939
7940 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007941 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007942 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007943 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007944 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007945 } else
7946 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007947 }
7948}
7949
7950static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7951{
7952 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007953 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007954
7955 /* Get the chip revision id and number. */
7956 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7957 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7958 id = ((val & 0xffff) << 16);
7959 val = REG_RD(bp, MISC_REG_CHIP_REV);
7960 id |= ((val & 0xf) << 12);
7961 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7962 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007963 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007964 id |= (val & 0xf);
7965 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007966
7967 /* Set doorbell size */
7968 bp->db_size = (1 << BNX2X_DB_SHIFT);
7969
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007970 if (CHIP_IS_E2(bp)) {
7971 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7972 if ((val & 1) == 0)
7973 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7974 else
7975 val = (val >> 1) & 1;
7976 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7977 "2_PORT_MODE");
7978 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7979 CHIP_2_PORT_MODE;
7980
7981 if (CHIP_MODE_IS_4_PORT(bp))
7982 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7983 else
7984 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7985 } else {
7986 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7987 bp->pfid = bp->pf_num; /* 0..7 */
7988 }
7989
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007990 /*
7991 * set base FW non-default (fast path) status block id, this value is
7992 * used to initialize the fw_sb_id saved on the fp/queue structure to
7993 * determine the id used by the FW.
7994 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007995 if (CHIP_IS_E1x(bp))
7996 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7997 else /* E2 */
7998 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7999
8000 bp->link_params.chip_id = bp->common.chip_id;
8001 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008002
Eilon Greenstein1c063282009-02-12 08:36:43 +00008003 val = (REG_RD(bp, 0x2874) & 0x55);
8004 if ((bp->common.chip_id & 0x1) ||
8005 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
8006 bp->flags |= ONE_PORT_FLAG;
8007 BNX2X_DEV_INFO("single port device\n");
8008 }
8009
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008010 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
8011 bp->common.flash_size = (NVRAM_1MB_SIZE <<
8012 (val & MCPR_NVM_CFG4_FLASH_SIZE));
8013 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
8014 bp->common.flash_size, bp->common.flash_size);
8015
8016 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008017 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
8018 MISC_REG_GENERIC_CR_1 :
8019 MISC_REG_GENERIC_CR_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008020 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008021 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008022 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
8023 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008024
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008025 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008026 BNX2X_DEV_INFO("MCP not active\n");
8027 bp->flags |= NO_MCP_FLAG;
8028 return;
8029 }
8030
8031 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8032 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
8033 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008034 BNX2X_ERR("BAD MCP validity signature\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008035
8036 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00008037 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008038
8039 bp->link_params.hw_led_mode = ((bp->common.hw_config &
8040 SHARED_HW_CFG_LED_MODE_MASK) >>
8041 SHARED_HW_CFG_LED_MODE_SHIFT);
8042
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008043 bp->link_params.feature_config_flags = 0;
8044 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
8045 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
8046 bp->link_params.feature_config_flags |=
8047 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
8048 else
8049 bp->link_params.feature_config_flags &=
8050 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
8051
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008052 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
8053 bp->common.bc_ver = val;
8054 BNX2X_DEV_INFO("bc_ver %X\n", val);
8055 if (val < BNX2X_BC_VER) {
8056 /* for now only warn
8057 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008058 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
8059 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008060 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008061 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008062 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008063 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
8064
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008065 bp->link_params.feature_config_flags |=
8066 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
8067 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07008068
8069 if (BP_E1HVN(bp) == 0) {
8070 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
8071 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
8072 } else {
8073 /* no WOL capability for E1HVN != 0 */
8074 bp->flags |= NO_WOL_FLAG;
8075 }
8076 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00008077 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008078
8079 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
8080 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
8081 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
8082 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
8083
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008084 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
8085 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008086}
8087
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008088#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
8089#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
8090
8091static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
8092{
8093 int pfid = BP_FUNC(bp);
8094 int vn = BP_E1HVN(bp);
8095 int igu_sb_id;
8096 u32 val;
8097 u8 fid;
8098
8099 bp->igu_base_sb = 0xff;
8100 bp->igu_sb_cnt = 0;
8101 if (CHIP_INT_MODE_IS_BC(bp)) {
8102 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008103 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008104
8105 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
8106 FP_SB_MAX_E1x;
8107
8108 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
8109 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
8110
8111 return;
8112 }
8113
8114 /* IGU in normal mode - read CAM */
8115 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
8116 igu_sb_id++) {
8117 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
8118 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
8119 continue;
8120 fid = IGU_FID(val);
8121 if ((fid & IGU_FID_ENCODE_IS_PF)) {
8122 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
8123 continue;
8124 if (IGU_VEC(val) == 0)
8125 /* default status block */
8126 bp->igu_dsb_id = igu_sb_id;
8127 else {
8128 if (bp->igu_base_sb == 0xff)
8129 bp->igu_base_sb = igu_sb_id;
8130 bp->igu_sb_cnt++;
8131 }
8132 }
8133 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008134 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8135 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008136 if (bp->igu_sb_cnt == 0)
8137 BNX2X_ERR("CAM configuration error\n");
8138}
8139
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008140static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
8141 u32 switch_cfg)
8142{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008143 int cfg_size = 0, idx, port = BP_PORT(bp);
8144
8145 /* Aggregation of supported attributes of all external phys */
8146 bp->port.supported[0] = 0;
8147 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008148 switch (bp->link_params.num_phys) {
8149 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008150 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
8151 cfg_size = 1;
8152 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008153 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008154 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
8155 cfg_size = 1;
8156 break;
8157 case 3:
8158 if (bp->link_params.multi_phy_config &
8159 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
8160 bp->port.supported[1] =
8161 bp->link_params.phy[EXT_PHY1].supported;
8162 bp->port.supported[0] =
8163 bp->link_params.phy[EXT_PHY2].supported;
8164 } else {
8165 bp->port.supported[0] =
8166 bp->link_params.phy[EXT_PHY1].supported;
8167 bp->port.supported[1] =
8168 bp->link_params.phy[EXT_PHY2].supported;
8169 }
8170 cfg_size = 2;
8171 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008172 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008173
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008174 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008175 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008176 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008177 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008178 dev_info.port_hw_config[port].external_phy_config),
8179 SHMEM_RD(bp,
8180 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008181 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008182 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008183
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008184 switch (switch_cfg) {
8185 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008186 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8187 port*0x10);
8188 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008189 break;
8190
8191 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008192 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8193 port*0x18);
8194 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008195 break;
8196
8197 default:
8198 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008199 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008200 return;
8201 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008202 /* mask what we support according to speed_cap_mask per configuration */
8203 for (idx = 0; idx < cfg_size; idx++) {
8204 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008205 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008206 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008207
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008208 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008209 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008210 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008211
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008212 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008213 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008214 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008215
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008216 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008217 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008218 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008219
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008220 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008221 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008222 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008223 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008224
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008225 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008226 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008227 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008228
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008229 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008230 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008231 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008232
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008233 }
8234
8235 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8236 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008237}
8238
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008239static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008240{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008241 u32 link_config, idx, cfg_size = 0;
8242 bp->port.advertising[0] = 0;
8243 bp->port.advertising[1] = 0;
8244 switch (bp->link_params.num_phys) {
8245 case 1:
8246 case 2:
8247 cfg_size = 1;
8248 break;
8249 case 3:
8250 cfg_size = 2;
8251 break;
8252 }
8253 for (idx = 0; idx < cfg_size; idx++) {
8254 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8255 link_config = bp->port.link_config[idx];
8256 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008257 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008258 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8259 bp->link_params.req_line_speed[idx] =
8260 SPEED_AUTO_NEG;
8261 bp->port.advertising[idx] |=
8262 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008263 } else {
8264 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008265 bp->link_params.req_line_speed[idx] =
8266 SPEED_10000;
8267 bp->port.advertising[idx] |=
8268 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008269 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008270 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008271 }
8272 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008273
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008274 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008275 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8276 bp->link_params.req_line_speed[idx] =
8277 SPEED_10;
8278 bp->port.advertising[idx] |=
8279 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008280 ADVERTISED_TP);
8281 } else {
8282 BNX2X_ERROR("NVRAM config error. "
8283 "Invalid link_config 0x%x"
8284 " speed_cap_mask 0x%x\n",
8285 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008286 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008287 return;
8288 }
8289 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008290
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008291 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008292 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8293 bp->link_params.req_line_speed[idx] =
8294 SPEED_10;
8295 bp->link_params.req_duplex[idx] =
8296 DUPLEX_HALF;
8297 bp->port.advertising[idx] |=
8298 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008299 ADVERTISED_TP);
8300 } else {
8301 BNX2X_ERROR("NVRAM config error. "
8302 "Invalid link_config 0x%x"
8303 " speed_cap_mask 0x%x\n",
8304 link_config,
8305 bp->link_params.speed_cap_mask[idx]);
8306 return;
8307 }
8308 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008309
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008310 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8311 if (bp->port.supported[idx] &
8312 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008313 bp->link_params.req_line_speed[idx] =
8314 SPEED_100;
8315 bp->port.advertising[idx] |=
8316 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008317 ADVERTISED_TP);
8318 } else {
8319 BNX2X_ERROR("NVRAM config error. "
8320 "Invalid link_config 0x%x"
8321 " speed_cap_mask 0x%x\n",
8322 link_config,
8323 bp->link_params.speed_cap_mask[idx]);
8324 return;
8325 }
8326 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008327
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008328 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8329 if (bp->port.supported[idx] &
8330 SUPPORTED_100baseT_Half) {
8331 bp->link_params.req_line_speed[idx] =
8332 SPEED_100;
8333 bp->link_params.req_duplex[idx] =
8334 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008335 bp->port.advertising[idx] |=
8336 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008337 ADVERTISED_TP);
8338 } else {
8339 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008340 "Invalid link_config 0x%x"
8341 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008342 link_config,
8343 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008344 return;
8345 }
8346 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008347
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008348 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008349 if (bp->port.supported[idx] &
8350 SUPPORTED_1000baseT_Full) {
8351 bp->link_params.req_line_speed[idx] =
8352 SPEED_1000;
8353 bp->port.advertising[idx] |=
8354 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008355 ADVERTISED_TP);
8356 } else {
8357 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008358 "Invalid link_config 0x%x"
8359 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008360 link_config,
8361 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008362 return;
8363 }
8364 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008365
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008366 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008367 if (bp->port.supported[idx] &
8368 SUPPORTED_2500baseX_Full) {
8369 bp->link_params.req_line_speed[idx] =
8370 SPEED_2500;
8371 bp->port.advertising[idx] |=
8372 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008373 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008374 } else {
8375 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008376 "Invalid link_config 0x%x"
8377 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008378 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008379 bp->link_params.speed_cap_mask[idx]);
8380 return;
8381 }
8382 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008383
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008384 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8385 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8386 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008387 if (bp->port.supported[idx] &
8388 SUPPORTED_10000baseT_Full) {
8389 bp->link_params.req_line_speed[idx] =
8390 SPEED_10000;
8391 bp->port.advertising[idx] |=
8392 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008393 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008394 } else {
8395 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008396 "Invalid link_config 0x%x"
8397 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008398 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008399 bp->link_params.speed_cap_mask[idx]);
8400 return;
8401 }
8402 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008403
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008404 default:
8405 BNX2X_ERROR("NVRAM config error. "
8406 "BAD link speed link_config 0x%x\n",
8407 link_config);
8408 bp->link_params.req_line_speed[idx] =
8409 SPEED_AUTO_NEG;
8410 bp->port.advertising[idx] =
8411 bp->port.supported[idx];
8412 break;
8413 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008414
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008415 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008416 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008417 if ((bp->link_params.req_flow_ctrl[idx] ==
8418 BNX2X_FLOW_CTRL_AUTO) &&
8419 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8420 bp->link_params.req_flow_ctrl[idx] =
8421 BNX2X_FLOW_CTRL_NONE;
8422 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008423
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008424 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8425 " 0x%x advertising 0x%x\n",
8426 bp->link_params.req_line_speed[idx],
8427 bp->link_params.req_duplex[idx],
8428 bp->link_params.req_flow_ctrl[idx],
8429 bp->port.advertising[idx]);
8430 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008431}
8432
Michael Chane665bfd2009-10-10 13:46:54 +00008433static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8434{
8435 mac_hi = cpu_to_be16(mac_hi);
8436 mac_lo = cpu_to_be32(mac_lo);
8437 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8438 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8439}
8440
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008441static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008442{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008443 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008444 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008445 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008446
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008447 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008448 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008449
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008450 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008451 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008452
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008453 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008454 SHMEM_RD(bp,
8455 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008456 bp->link_params.speed_cap_mask[1] =
8457 SHMEM_RD(bp,
8458 dev_info.port_hw_config[port].speed_capability_mask2);
8459 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008460 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8461
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008462 bp->port.link_config[1] =
8463 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008464
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008465 bp->link_params.multi_phy_config =
8466 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008467 /* If the device is capable of WoL, set the default state according
8468 * to the HW
8469 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008470 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008471 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8472 (config & PORT_FEATURE_WOL_ENABLED));
8473
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008474 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008475 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008476 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008477 bp->link_params.speed_cap_mask[0],
8478 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008479
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008480 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008481 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008482 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008483 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008484
8485 bnx2x_link_settings_requested(bp);
8486
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008487 /*
8488 * If connected directly, work with the internal PHY, otherwise, work
8489 * with the external PHY
8490 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008491 ext_phy_config =
8492 SHMEM_RD(bp,
8493 dev_info.port_hw_config[port].external_phy_config);
8494 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008495 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008496 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008497
8498 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8499 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8500 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008501 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008502
8503 /*
8504 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8505 * In MF mode, it is set to cover self test cases
8506 */
8507 if (IS_MF(bp))
8508 bp->port.need_hw_lock = 1;
8509 else
8510 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8511 bp->common.shmem_base,
8512 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008513}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008514
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008515#ifdef BCM_CNIC
8516static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8517{
8518 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8519 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8520 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8521 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8522
8523 /* Get the number of maximum allowed iSCSI and FCoE connections */
8524 bp->cnic_eth_dev.max_iscsi_conn =
8525 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8526 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8527
8528 bp->cnic_eth_dev.max_fcoe_conn =
8529 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8530 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8531
8532 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8533 bp->cnic_eth_dev.max_iscsi_conn,
8534 bp->cnic_eth_dev.max_fcoe_conn);
8535
8536 /* If mamimum allowed number of connections is zero -
8537 * disable the feature.
8538 */
8539 if (!bp->cnic_eth_dev.max_iscsi_conn)
8540 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8541
8542 if (!bp->cnic_eth_dev.max_fcoe_conn)
8543 bp->flags |= NO_FCOE_FLAG;
8544}
8545#endif
8546
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008547static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8548{
8549 u32 val, val2;
8550 int func = BP_ABS_FUNC(bp);
8551 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008552#ifdef BCM_CNIC
8553 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8554 u8 *fip_mac = bp->fip_mac;
8555#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008556
8557 if (BP_NOMCP(bp)) {
8558 BNX2X_ERROR("warning: random MAC workaround active\n");
8559 random_ether_addr(bp->dev->dev_addr);
8560 } else if (IS_MF(bp)) {
8561 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8562 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8563 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8564 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8565 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8566
8567#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008568 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8569 * FCoE MAC then the appropriate feature should be disabled.
8570 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008571 if (IS_MF_SI(bp)) {
8572 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8573 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8574 val2 = MF_CFG_RD(bp, func_ext_config[func].
8575 iscsi_mac_addr_upper);
8576 val = MF_CFG_RD(bp, func_ext_config[func].
8577 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008578 BNX2X_DEV_INFO("Read iSCSI MAC: "
8579 "0x%x:0x%04x\n", val2, val);
8580 bnx2x_set_mac_buf(iscsi_mac, val, val2);
8581
8582 /* Disable iSCSI OOO if MAC configuration is
8583 * invalid.
8584 */
8585 if (!is_valid_ether_addr(iscsi_mac)) {
8586 bp->flags |= NO_ISCSI_OOO_FLAG |
8587 NO_ISCSI_FLAG;
8588 memset(iscsi_mac, 0, ETH_ALEN);
8589 }
8590 } else
8591 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8592
8593 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8594 val2 = MF_CFG_RD(bp, func_ext_config[func].
8595 fcoe_mac_addr_upper);
8596 val = MF_CFG_RD(bp, func_ext_config[func].
8597 fcoe_mac_addr_lower);
8598 BNX2X_DEV_INFO("Read FCoE MAC to "
8599 "0x%x:0x%04x\n", val2, val);
8600 bnx2x_set_mac_buf(fip_mac, val, val2);
8601
8602 /* Disable FCoE if MAC configuration is
8603 * invalid.
8604 */
8605 if (!is_valid_ether_addr(fip_mac)) {
8606 bp->flags |= NO_FCOE_FLAG;
8607 memset(bp->fip_mac, 0, ETH_ALEN);
8608 }
8609 } else
8610 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008611 }
8612#endif
8613 } else {
8614 /* in SF read MACs from port configuration */
8615 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8616 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8617 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8618
8619#ifdef BCM_CNIC
8620 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8621 iscsi_mac_upper);
8622 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8623 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008624 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008625#endif
8626 }
8627
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008628 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8629 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008630
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008631#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008632 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008633 if (!CHIP_IS_E1x(bp)) {
8634 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008635 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8636 else if (!IS_MF(bp))
8637 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008638 }
8639#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008640}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008641
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008642static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8643{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008644 int /*abs*/func = BP_ABS_FUNC(bp);
8645 int vn, port;
8646 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008647 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008648
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008649 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008650
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008651 if (CHIP_IS_E1x(bp)) {
8652 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008653
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008654 bp->igu_dsb_id = DEF_SB_IGU_ID;
8655 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008656 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8657 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008658 } else {
8659 bp->common.int_block = INT_BLOCK_IGU;
8660 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8661 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8662 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8663 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8664 } else
8665 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8666
8667 bnx2x_get_igu_cam_info(bp);
8668
8669 }
8670 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8671 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8672
8673 /*
8674 * Initialize MF configuration
8675 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008676
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008677 bp->mf_ov = 0;
8678 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008679 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008680 port = BP_PORT(bp);
8681
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008682 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008683 DP(NETIF_MSG_PROBE,
8684 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8685 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8686 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008687 if (SHMEM2_HAS(bp, mf_cfg_addr))
8688 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8689 else
8690 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008691 offsetof(struct shmem_region, func_mb) +
8692 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008693 /*
8694 * get mf configuration:
8695 * 1. existance of MF configuration
8696 * 2. MAC address must be legal (check only upper bytes)
8697 * for Switch-Independent mode;
8698 * OVLAN must be legal for Switch-Dependent mode
8699 * 3. SF_MODE configures specific MF mode
8700 */
8701 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8702 /* get mf configuration */
8703 val = SHMEM_RD(bp,
8704 dev_info.shared_feature_config.config);
8705 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008706
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008707 switch (val) {
8708 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8709 val = MF_CFG_RD(bp, func_mf_config[func].
8710 mac_upper);
8711 /* check for legal mac (upper bytes)*/
8712 if (val != 0xffff) {
8713 bp->mf_mode = MULTI_FUNCTION_SI;
8714 bp->mf_config[vn] = MF_CFG_RD(bp,
8715 func_mf_config[func].config);
8716 } else
8717 DP(NETIF_MSG_PROBE, "illegal MAC "
8718 "address for SI\n");
8719 break;
8720 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8721 /* get OV configuration */
8722 val = MF_CFG_RD(bp,
8723 func_mf_config[FUNC_0].e1hov_tag);
8724 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8725
8726 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8727 bp->mf_mode = MULTI_FUNCTION_SD;
8728 bp->mf_config[vn] = MF_CFG_RD(bp,
8729 func_mf_config[func].config);
8730 } else
8731 DP(NETIF_MSG_PROBE, "illegal OV for "
8732 "SD\n");
8733 break;
8734 default:
8735 /* Unknown configuration: reset mf_config */
8736 bp->mf_config[vn] = 0;
8737 DP(NETIF_MSG_PROBE, "Unkown MF mode 0x%x\n",
8738 val);
8739 }
8740 }
8741
Eilon Greenstein2691d512009-08-12 08:22:08 +00008742 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008743 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008744
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008745 switch (bp->mf_mode) {
8746 case MULTI_FUNCTION_SD:
8747 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8748 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008749 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008750 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008751 BNX2X_DEV_INFO("MF OV for func %d is %d"
8752 " (0x%04x)\n", func,
8753 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008754 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008755 BNX2X_ERR("No valid MF OV for func %d,"
8756 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008757 rc = -EPERM;
8758 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008759 break;
8760 case MULTI_FUNCTION_SI:
8761 BNX2X_DEV_INFO("func %d is in MF "
8762 "switch-independent mode\n", func);
8763 break;
8764 default:
8765 if (vn) {
8766 BNX2X_ERR("VN %d in single function mode,"
8767 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008768 rc = -EPERM;
8769 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008770 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008771 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008772
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008773 }
8774
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008775 /* adjust igu_sb_cnt to MF for E1x */
8776 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008777 bp->igu_sb_cnt /= E1HVN_MAX;
8778
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008779 /*
8780 * adjust E2 sb count: to be removed when FW will support
8781 * more then 16 L2 clients
8782 */
8783#define MAX_L2_CLIENTS 16
8784 if (CHIP_IS_E2(bp))
8785 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8786 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8787
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008788 if (!BP_NOMCP(bp)) {
8789 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008790
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008791 bp->fw_seq =
8792 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8793 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008794 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8795 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008796
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008797 /* Get MAC addresses */
8798 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008799
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008800#ifdef BCM_CNIC
8801 bnx2x_get_cnic_info(bp);
8802#endif
8803
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008804 return rc;
8805}
8806
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008807static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8808{
8809 int cnt, i, block_end, rodi;
8810 char vpd_data[BNX2X_VPD_LEN+1];
8811 char str_id_reg[VENDOR_ID_LEN+1];
8812 char str_id_cap[VENDOR_ID_LEN+1];
8813 u8 len;
8814
8815 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8816 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8817
8818 if (cnt < BNX2X_VPD_LEN)
8819 goto out_not_found;
8820
8821 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8822 PCI_VPD_LRDT_RO_DATA);
8823 if (i < 0)
8824 goto out_not_found;
8825
8826
8827 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8828 pci_vpd_lrdt_size(&vpd_data[i]);
8829
8830 i += PCI_VPD_LRDT_TAG_SIZE;
8831
8832 if (block_end > BNX2X_VPD_LEN)
8833 goto out_not_found;
8834
8835 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8836 PCI_VPD_RO_KEYWORD_MFR_ID);
8837 if (rodi < 0)
8838 goto out_not_found;
8839
8840 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8841
8842 if (len != VENDOR_ID_LEN)
8843 goto out_not_found;
8844
8845 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8846
8847 /* vendor specific info */
8848 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8849 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8850 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8851 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8852
8853 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8854 PCI_VPD_RO_KEYWORD_VENDOR0);
8855 if (rodi >= 0) {
8856 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8857
8858 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8859
8860 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8861 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8862 bp->fw_ver[len] = ' ';
8863 }
8864 }
8865 return;
8866 }
8867out_not_found:
8868 return;
8869}
8870
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008871static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8872{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008873 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008874 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008875 int rc;
8876
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008877 /* Disable interrupt handling until HW is initialized */
8878 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008879 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008880
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008881 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008882 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008883 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008884#ifdef BCM_CNIC
8885 mutex_init(&bp->cnic_mutex);
8886#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008887
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008888 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008889 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008890
8891 rc = bnx2x_get_hwinfo(bp);
8892
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008893 if (!rc)
8894 rc = bnx2x_alloc_mem_bp(bp);
8895
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008896 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008897
8898 func = BP_FUNC(bp);
8899
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008900 /* need to reset chip if undi was active */
8901 if (!BP_NOMCP(bp))
8902 bnx2x_undi_unload(bp);
8903
8904 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008905 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008906
8907 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008908 dev_err(&bp->pdev->dev, "MCP disabled, "
8909 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008910
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008911 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008912 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008913
Dmitry Kravkov4fd89b72010-04-01 19:45:34 -07008914 bp->dev->features |= NETIF_F_GRO;
8915
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008916 /* Set TPA flags */
8917 if (disable_tpa) {
8918 bp->flags &= ~TPA_ENABLE_FLAG;
8919 bp->dev->features &= ~NETIF_F_LRO;
8920 } else {
8921 bp->flags |= TPA_ENABLE_FLAG;
8922 bp->dev->features |= NETIF_F_LRO;
8923 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008924 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008925
Eilon Greensteina18f5122009-08-12 08:23:26 +00008926 if (CHIP_IS_E1(bp))
8927 bp->dropless_fc = 0;
8928 else
8929 bp->dropless_fc = dropless_fc;
8930
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008931 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008932
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008933 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008934
8935 bp->rx_csum = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008936
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008937 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008938 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8939 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008940
Eilon Greenstein87942b42009-02-12 08:36:49 +00008941 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8942 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008943
8944 init_timer(&bp->timer);
8945 bp->timer.expires = jiffies + bp->current_interval;
8946 bp->timer.data = (unsigned long) bp;
8947 bp->timer.function = bnx2x_timer;
8948
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008949 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008950 bnx2x_dcbx_init_params(bp);
8951
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008952 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008953}
8954
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008955
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008956/****************************************************************************
8957* General service functions
8958****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008959
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008960/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008961static int bnx2x_open(struct net_device *dev)
8962{
8963 struct bnx2x *bp = netdev_priv(dev);
8964
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008965 netif_carrier_off(dev);
8966
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008967 bnx2x_set_power_state(bp, PCI_D0);
8968
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008969 if (!bnx2x_reset_is_done(bp)) {
8970 do {
8971 /* Reset MCP mail box sequence if there is on going
8972 * recovery
8973 */
8974 bp->fw_seq = 0;
8975
8976 /* If it's the first function to load and reset done
8977 * is still not cleared it may mean that. We don't
8978 * check the attention state here because it may have
8979 * already been cleared by a "common" reset but we
8980 * shell proceed with "process kill" anyway.
8981 */
8982 if ((bnx2x_get_load_cnt(bp) == 0) &&
8983 bnx2x_trylock_hw_lock(bp,
8984 HW_LOCK_RESOURCE_RESERVED_08) &&
8985 (!bnx2x_leader_reset(bp))) {
8986 DP(NETIF_MSG_HW, "Recovered in open\n");
8987 break;
8988 }
8989
8990 bnx2x_set_power_state(bp, PCI_D3hot);
8991
8992 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8993 " completed yet. Try again later. If u still see this"
8994 " message after a few retries then power cycle is"
8995 " required.\n", bp->dev->name);
8996
8997 return -EAGAIN;
8998 } while (0);
8999 }
9000
9001 bp->recovery_state = BNX2X_RECOVERY_DONE;
9002
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009003 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009004}
9005
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009006/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009007static int bnx2x_close(struct net_device *dev)
9008{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009009 struct bnx2x *bp = netdev_priv(dev);
9010
9011 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009012 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00009013 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009014
9015 return 0;
9016}
9017
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009018#define E1_MAX_UC_LIST 29
9019#define E1H_MAX_UC_LIST 30
9020#define E2_MAX_UC_LIST 14
9021static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
9022{
9023 if (CHIP_IS_E1(bp))
9024 return E1_MAX_UC_LIST;
9025 else if (CHIP_IS_E1H(bp))
9026 return E1H_MAX_UC_LIST;
9027 else
9028 return E2_MAX_UC_LIST;
9029}
9030
9031
9032static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
9033{
9034 if (CHIP_IS_E1(bp))
9035 /* CAM Entries for Port0:
9036 * 0 - prim ETH MAC
9037 * 1 - BCAST MAC
9038 * 2 - iSCSI L2 ring ETH MAC
9039 * 3-31 - UC MACs
9040 *
9041 * Port1 entries are allocated the same way starting from
9042 * entry 32.
9043 */
9044 return 3 + 32 * BP_PORT(bp);
9045 else if (CHIP_IS_E1H(bp)) {
9046 /* CAM Entries:
9047 * 0-7 - prim ETH MAC for each function
9048 * 8-15 - iSCSI L2 ring ETH MAC for each function
9049 * 16 till 255 UC MAC lists for each function
9050 *
9051 * Remark: There is no FCoE support for E1H, thus FCoE related
9052 * MACs are not considered.
9053 */
9054 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
9055 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
9056 } else {
9057 /* CAM Entries (there is a separate CAM per engine):
9058 * 0-4 - prim ETH MAC for each function
9059 * 4-7 - iSCSI L2 ring ETH MAC for each function
9060 * 8-11 - FIP ucast L2 MAC for each function
9061 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
9062 * 16 till 71 UC MAC lists for each function
9063 */
9064 u8 func_idx =
9065 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
9066
9067 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
9068 bnx2x_max_uc_list(bp) * func_idx;
9069 }
9070}
9071
9072/* set uc list, do not wait as wait implies sleep and
9073 * set_rx_mode can be invoked from non-sleepable context.
9074 *
9075 * Instead we use the same ramrod data buffer each time we need
9076 * to configure a list of addresses, and use the fact that the
9077 * list of MACs is changed in an incremental way and that the
9078 * function is called under the netif_addr_lock. A temporary
9079 * inconsistent CAM configuration (possible in case of very fast
9080 * sequence of add/del/add on the host side) will shortly be
9081 * restored by the handler of the last ramrod.
9082 */
9083static int bnx2x_set_uc_list(struct bnx2x *bp)
9084{
9085 int i = 0, old;
9086 struct net_device *dev = bp->dev;
9087 u8 offset = bnx2x_uc_list_cam_offset(bp);
9088 struct netdev_hw_addr *ha;
9089 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
9090 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
9091
9092 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
9093 return -EINVAL;
9094
9095 netdev_for_each_uc_addr(ha, dev) {
9096 /* copy mac */
9097 config_cmd->config_table[i].msb_mac_addr =
9098 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
9099 config_cmd->config_table[i].middle_mac_addr =
9100 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
9101 config_cmd->config_table[i].lsb_mac_addr =
9102 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
9103
9104 config_cmd->config_table[i].vlan_id = 0;
9105 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
9106 config_cmd->config_table[i].clients_bit_vector =
9107 cpu_to_le32(1 << BP_L_ID(bp));
9108
9109 SET_FLAG(config_cmd->config_table[i].flags,
9110 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
9111 T_ETH_MAC_COMMAND_SET);
9112
9113 DP(NETIF_MSG_IFUP,
9114 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
9115 config_cmd->config_table[i].msb_mac_addr,
9116 config_cmd->config_table[i].middle_mac_addr,
9117 config_cmd->config_table[i].lsb_mac_addr);
9118
9119 i++;
9120
9121 /* Set uc MAC in NIG */
9122 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
9123 LLH_CAM_ETH_LINE + i);
9124 }
9125 old = config_cmd->hdr.length;
9126 if (old > i) {
9127 for (; i < old; i++) {
9128 if (CAM_IS_INVALID(config_cmd->
9129 config_table[i])) {
9130 /* already invalidated */
9131 break;
9132 }
9133 /* invalidate */
9134 SET_FLAG(config_cmd->config_table[i].flags,
9135 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
9136 T_ETH_MAC_COMMAND_INVALIDATE);
9137 }
9138 }
9139
9140 wmb();
9141
9142 config_cmd->hdr.length = i;
9143 config_cmd->hdr.offset = offset;
9144 config_cmd->hdr.client_id = 0xff;
9145 /* Mark that this ramrod doesn't use bp->set_mac_pending for
9146 * synchronization.
9147 */
9148 config_cmd->hdr.echo = 0;
9149
9150 mb();
9151
9152 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
9153 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
9154
9155}
9156
9157void bnx2x_invalidate_uc_list(struct bnx2x *bp)
9158{
9159 int i;
9160 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
9161 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
9162 int ramrod_flags = WAIT_RAMROD_COMMON;
9163 u8 offset = bnx2x_uc_list_cam_offset(bp);
9164 u8 max_list_size = bnx2x_max_uc_list(bp);
9165
9166 for (i = 0; i < max_list_size; i++) {
9167 SET_FLAG(config_cmd->config_table[i].flags,
9168 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
9169 T_ETH_MAC_COMMAND_INVALIDATE);
9170 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
9171 }
9172
9173 wmb();
9174
9175 config_cmd->hdr.length = max_list_size;
9176 config_cmd->hdr.offset = offset;
9177 config_cmd->hdr.client_id = 0xff;
9178 /* We'll wait for a completion this time... */
9179 config_cmd->hdr.echo = 1;
9180
9181 bp->set_mac_pending = 1;
9182
9183 mb();
9184
9185 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
9186 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
9187
9188 /* Wait for a completion */
9189 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
9190 ramrod_flags);
9191
9192}
9193
9194static inline int bnx2x_set_mc_list(struct bnx2x *bp)
9195{
9196 /* some multicasts */
9197 if (CHIP_IS_E1(bp)) {
9198 return bnx2x_set_e1_mc_list(bp);
9199 } else { /* E1H and newer */
9200 return bnx2x_set_e1h_mc_list(bp);
9201 }
9202}
9203
Eilon Greensteinf5372252009-02-12 08:38:30 +00009204/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009205void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009206{
9207 struct bnx2x *bp = netdev_priv(dev);
9208 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009209
9210 if (bp->state != BNX2X_STATE_OPEN) {
9211 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9212 return;
9213 }
9214
9215 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9216
9217 if (dev->flags & IFF_PROMISC)
9218 rx_mode = BNX2X_RX_MODE_PROMISC;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009219 else if (dev->flags & IFF_ALLMULTI)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009220 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009221 else {
9222 /* some multicasts */
9223 if (bnx2x_set_mc_list(bp))
9224 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009225
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009226 /* some unicasts */
9227 if (bnx2x_set_uc_list(bp))
9228 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009229 }
9230
9231 bp->rx_mode = rx_mode;
9232 bnx2x_set_storm_rx_mode(bp);
9233}
9234
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009235/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009236static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
9237 int devad, u16 addr)
9238{
9239 struct bnx2x *bp = netdev_priv(netdev);
9240 u16 value;
9241 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009242
9243 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
9244 prtad, devad, addr);
9245
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009246 /* The HW expects different devad if CL22 is used */
9247 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9248
9249 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009250 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009251 bnx2x_release_phy_lock(bp);
9252 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
9253
9254 if (!rc)
9255 rc = value;
9256 return rc;
9257}
9258
9259/* called with rtnl_lock */
9260static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
9261 u16 addr, u16 value)
9262{
9263 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009264 int rc;
9265
9266 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9267 " value 0x%x\n", prtad, devad, addr, value);
9268
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009269 /* The HW expects different devad if CL22 is used */
9270 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9271
9272 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009273 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009274 bnx2x_release_phy_lock(bp);
9275 return rc;
9276}
9277
9278/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009279static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9280{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009281 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009282 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009283
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009284 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9285 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009286
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009287 if (!netif_running(dev))
9288 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009289
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009290 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009291}
9292
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009293#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009294static void poll_bnx2x(struct net_device *dev)
9295{
9296 struct bnx2x *bp = netdev_priv(dev);
9297
9298 disable_irq(bp->pdev->irq);
9299 bnx2x_interrupt(bp->pdev->irq, dev);
9300 enable_irq(bp->pdev->irq);
9301}
9302#endif
9303
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009304static const struct net_device_ops bnx2x_netdev_ops = {
9305 .ndo_open = bnx2x_open,
9306 .ndo_stop = bnx2x_close,
9307 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009308 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009309 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009310 .ndo_set_mac_address = bnx2x_change_mac_addr,
9311 .ndo_validate_addr = eth_validate_addr,
9312 .ndo_do_ioctl = bnx2x_ioctl,
9313 .ndo_change_mtu = bnx2x_change_mtu,
9314 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009315#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009316 .ndo_poll_controller = poll_bnx2x,
9317#endif
9318};
9319
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009320static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9321 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009322{
9323 struct bnx2x *bp;
9324 int rc;
9325
9326 SET_NETDEV_DEV(dev, &pdev->dev);
9327 bp = netdev_priv(dev);
9328
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009329 bp->dev = dev;
9330 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009331 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009332 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009333
9334 rc = pci_enable_device(pdev);
9335 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009336 dev_err(&bp->pdev->dev,
9337 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009338 goto err_out;
9339 }
9340
9341 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009342 dev_err(&bp->pdev->dev,
9343 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009344 rc = -ENODEV;
9345 goto err_out_disable;
9346 }
9347
9348 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009349 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9350 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009351 rc = -ENODEV;
9352 goto err_out_disable;
9353 }
9354
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009355 if (atomic_read(&pdev->enable_cnt) == 1) {
9356 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9357 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009358 dev_err(&bp->pdev->dev,
9359 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009360 goto err_out_disable;
9361 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009362
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009363 pci_set_master(pdev);
9364 pci_save_state(pdev);
9365 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009366
9367 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9368 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009369 dev_err(&bp->pdev->dev,
9370 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009371 rc = -EIO;
9372 goto err_out_release;
9373 }
9374
9375 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9376 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009377 dev_err(&bp->pdev->dev,
9378 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009379 rc = -EIO;
9380 goto err_out_release;
9381 }
9382
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009383 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009384 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009385 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009386 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9387 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009388 rc = -EIO;
9389 goto err_out_release;
9390 }
9391
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009392 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009393 dev_err(&bp->pdev->dev,
9394 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009395 rc = -EIO;
9396 goto err_out_release;
9397 }
9398
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009399 dev->mem_start = pci_resource_start(pdev, 0);
9400 dev->base_addr = dev->mem_start;
9401 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009402
9403 dev->irq = pdev->irq;
9404
Arjan van de Ven275f1652008-10-20 21:42:39 -07009405 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009406 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009407 dev_err(&bp->pdev->dev,
9408 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009409 rc = -ENOMEM;
9410 goto err_out_release;
9411 }
9412
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009413 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009414 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009415 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009416 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009417 dev_err(&bp->pdev->dev,
9418 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009419 rc = -ENOMEM;
9420 goto err_out_unmap;
9421 }
9422
9423 bnx2x_set_power_state(bp, PCI_D0);
9424
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009425 /* clean indirect addresses */
9426 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9427 PCICFG_VENDOR_ID_OFFSET);
9428 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9429 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9430 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9431 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009432
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009433 /* Reset the load counter */
9434 bnx2x_clear_load_cnt(bp);
9435
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009436 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009437
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009438 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009439 bnx2x_set_ethtool_ops(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009440 dev->features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009441 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009442 if (bp->flags & USING_DAC_FLAG)
9443 dev->features |= NETIF_F_HIGHDMA;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009444 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9445 dev->features |= NETIF_F_TSO6;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009446 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009447
9448 dev->vlan_features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009449 dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009450 if (bp->flags & USING_DAC_FLAG)
9451 dev->vlan_features |= NETIF_F_HIGHDMA;
9452 dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9453 dev->vlan_features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009454
Shmulik Ravid98507672011-02-28 12:19:55 -08009455#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009456 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9457#endif
9458
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009459 /* get_port_hwinfo() will set prtad and mmds properly */
9460 bp->mdio.prtad = MDIO_PRTAD_NONE;
9461 bp->mdio.mmds = 0;
9462 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9463 bp->mdio.dev = dev;
9464 bp->mdio.mdio_read = bnx2x_mdio_read;
9465 bp->mdio.mdio_write = bnx2x_mdio_write;
9466
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009467 return 0;
9468
9469err_out_unmap:
9470 if (bp->regview) {
9471 iounmap(bp->regview);
9472 bp->regview = NULL;
9473 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009474 if (bp->doorbells) {
9475 iounmap(bp->doorbells);
9476 bp->doorbells = NULL;
9477 }
9478
9479err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009480 if (atomic_read(&pdev->enable_cnt) == 1)
9481 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009482
9483err_out_disable:
9484 pci_disable_device(pdev);
9485 pci_set_drvdata(pdev, NULL);
9486
9487err_out:
9488 return rc;
9489}
9490
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009491static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9492 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009493{
9494 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9495
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009496 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9497
9498 /* return value of 1=2.5GHz 2=5GHz */
9499 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009500}
9501
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009502static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009503{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009504 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009505 struct bnx2x_fw_file_hdr *fw_hdr;
9506 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009507 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009508 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009509 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009510 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009511
9512 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9513 return -EINVAL;
9514
9515 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9516 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9517
9518 /* Make sure none of the offsets and sizes make us read beyond
9519 * the end of the firmware data */
9520 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9521 offset = be32_to_cpu(sections[i].offset);
9522 len = be32_to_cpu(sections[i].len);
9523 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009524 dev_err(&bp->pdev->dev,
9525 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009526 return -EINVAL;
9527 }
9528 }
9529
9530 /* Likewise for the init_ops offsets */
9531 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9532 ops_offsets = (u16 *)(firmware->data + offset);
9533 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9534
9535 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9536 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009537 dev_err(&bp->pdev->dev,
9538 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009539 return -EINVAL;
9540 }
9541 }
9542
9543 /* Check FW version */
9544 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9545 fw_ver = firmware->data + offset;
9546 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9547 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9548 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9549 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009550 dev_err(&bp->pdev->dev,
9551 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009552 fw_ver[0], fw_ver[1], fw_ver[2],
9553 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9554 BCM_5710_FW_MINOR_VERSION,
9555 BCM_5710_FW_REVISION_VERSION,
9556 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009557 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009558 }
9559
9560 return 0;
9561}
9562
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009563static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009564{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009565 const __be32 *source = (const __be32 *)_source;
9566 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009567 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009568
9569 for (i = 0; i < n/4; i++)
9570 target[i] = be32_to_cpu(source[i]);
9571}
9572
9573/*
9574 Ops array is stored in the following format:
9575 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9576 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009577static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009578{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009579 const __be32 *source = (const __be32 *)_source;
9580 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009581 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009582
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009583 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009584 tmp = be32_to_cpu(source[j]);
9585 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009586 target[i].offset = tmp & 0xffffff;
9587 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009588 }
9589}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009590
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009591/**
9592 * IRO array is stored in the following format:
9593 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9594 */
9595static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9596{
9597 const __be32 *source = (const __be32 *)_source;
9598 struct iro *target = (struct iro *)_target;
9599 u32 i, j, tmp;
9600
9601 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9602 target[i].base = be32_to_cpu(source[j]);
9603 j++;
9604 tmp = be32_to_cpu(source[j]);
9605 target[i].m1 = (tmp >> 16) & 0xffff;
9606 target[i].m2 = tmp & 0xffff;
9607 j++;
9608 tmp = be32_to_cpu(source[j]);
9609 target[i].m3 = (tmp >> 16) & 0xffff;
9610 target[i].size = tmp & 0xffff;
9611 j++;
9612 }
9613}
9614
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009615static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009616{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009617 const __be16 *source = (const __be16 *)_source;
9618 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009619 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009620
9621 for (i = 0; i < n/2; i++)
9622 target[i] = be16_to_cpu(source[i]);
9623}
9624
Joe Perches7995c642010-02-17 15:01:52 +00009625#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9626do { \
9627 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9628 bp->arr = kmalloc(len, GFP_KERNEL); \
9629 if (!bp->arr) { \
9630 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9631 goto lbl; \
9632 } \
9633 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9634 (u8 *)bp->arr, len); \
9635} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009636
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009637int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009638{
Ben Hutchings45229b42009-11-07 11:53:39 +00009639 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009640 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009641 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009642
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009643 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009644 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009645 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009646 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009647 else if (CHIP_IS_E2(bp))
9648 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009649 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009650 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009651 return -EINVAL;
9652 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009653
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009654 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009655
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009656 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009657 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009658 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009659 goto request_firmware_exit;
9660 }
9661
9662 rc = bnx2x_check_firmware(bp);
9663 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009664 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009665 goto request_firmware_exit;
9666 }
9667
9668 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9669
9670 /* Initialize the pointers to the init arrays */
9671 /* Blob */
9672 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9673
9674 /* Opcodes */
9675 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9676
9677 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009678 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9679 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009680
9681 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009682 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9683 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9684 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9685 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9686 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9687 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9688 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9689 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9690 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9691 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9692 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9693 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9694 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9695 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9696 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9697 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009698 /* IRO */
9699 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009700
9701 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009702
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009703iro_alloc_err:
9704 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009705init_offsets_alloc_err:
9706 kfree(bp->init_ops);
9707init_ops_alloc_err:
9708 kfree(bp->init_data);
9709request_firmware_exit:
9710 release_firmware(bp->firmware);
9711
9712 return rc;
9713}
9714
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009715static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9716{
9717 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009718
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009719#ifdef BCM_CNIC
9720 cid_count += CNIC_CID_MAX;
9721#endif
9722 return roundup(cid_count, QM_CID_ROUND);
9723}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009724
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009725static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9726 const struct pci_device_id *ent)
9727{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009728 struct net_device *dev = NULL;
9729 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009730 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009731 int rc, cid_count;
9732
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009733 switch (ent->driver_data) {
9734 case BCM57710:
9735 case BCM57711:
9736 case BCM57711E:
9737 cid_count = FP_SB_MAX_E1x;
9738 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009739
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009740 case BCM57712:
9741 case BCM57712E:
9742 cid_count = FP_SB_MAX_E2;
9743 break;
9744
9745 default:
9746 pr_err("Unknown board_type (%ld), aborting\n",
9747 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009748 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009749 }
9750
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009751 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009752
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009753 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009754 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009755 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009756 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009757 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009758 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009759
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009760 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009761 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009762
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009763 pci_set_drvdata(pdev, dev);
9764
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009765 bp->l2_cid_count = cid_count;
9766
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009767 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009768 if (rc < 0) {
9769 free_netdev(dev);
9770 return rc;
9771 }
9772
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009773 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009774 if (rc)
9775 goto init_one_exit;
9776
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009777 /* calc qm_cid_count */
9778 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9779
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009780#ifdef BCM_CNIC
9781 /* disable FCOE L2 queue for E1x*/
9782 if (CHIP_IS_E1x(bp))
9783 bp->flags |= NO_FCOE_FLAG;
9784
9785#endif
9786
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009787 /* Configure interupt mode: try to enable MSI-X/MSI if
9788 * needed, set bp->num_queues appropriately.
9789 */
9790 bnx2x_set_int_mode(bp);
9791
9792 /* Add all NAPI objects */
9793 bnx2x_add_all_napi(bp);
9794
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009795 rc = register_netdev(dev);
9796 if (rc) {
9797 dev_err(&pdev->dev, "Cannot register net device\n");
9798 goto init_one_exit;
9799 }
9800
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009801#ifdef BCM_CNIC
9802 if (!NO_FCOE(bp)) {
9803 /* Add storage MAC address */
9804 rtnl_lock();
9805 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9806 rtnl_unlock();
9807 }
9808#endif
9809
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009810 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009811
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009812 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9813 " IRQ %d, ", board_info[ent->driver_data].name,
9814 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009815 pcie_width,
9816 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9817 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9818 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009819 dev->base_addr, bp->pdev->irq);
9820 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009821
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009822 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009823
9824init_one_exit:
9825 if (bp->regview)
9826 iounmap(bp->regview);
9827
9828 if (bp->doorbells)
9829 iounmap(bp->doorbells);
9830
9831 free_netdev(dev);
9832
9833 if (atomic_read(&pdev->enable_cnt) == 1)
9834 pci_release_regions(pdev);
9835
9836 pci_disable_device(pdev);
9837 pci_set_drvdata(pdev, NULL);
9838
9839 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009840}
9841
9842static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9843{
9844 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009845 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009846
Eliezer Tamir228241e2008-02-28 11:56:57 -08009847 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009848 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009849 return;
9850 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009851 bp = netdev_priv(dev);
9852
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009853#ifdef BCM_CNIC
9854 /* Delete storage MAC address */
9855 if (!NO_FCOE(bp)) {
9856 rtnl_lock();
9857 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9858 rtnl_unlock();
9859 }
9860#endif
9861
Shmulik Ravid98507672011-02-28 12:19:55 -08009862#ifdef BCM_DCBNL
9863 /* Delete app tlvs from dcbnl */
9864 bnx2x_dcbnl_update_applist(bp, true);
9865#endif
9866
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009867 unregister_netdev(dev);
9868
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009869 /* Delete all NAPI objects */
9870 bnx2x_del_all_napi(bp);
9871
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009872 /* Power on: we can't let PCI layer write to us while we are in D3 */
9873 bnx2x_set_power_state(bp, PCI_D0);
9874
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009875 /* Disable MSI/MSI-X */
9876 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009877
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009878 /* Power off */
9879 bnx2x_set_power_state(bp, PCI_D3hot);
9880
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009881 /* Make sure RESET task is not scheduled before continuing */
9882 cancel_delayed_work_sync(&bp->reset_task);
9883
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009884 if (bp->regview)
9885 iounmap(bp->regview);
9886
9887 if (bp->doorbells)
9888 iounmap(bp->doorbells);
9889
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009890 bnx2x_free_mem_bp(bp);
9891
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009892 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009893
9894 if (atomic_read(&pdev->enable_cnt) == 1)
9895 pci_release_regions(pdev);
9896
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009897 pci_disable_device(pdev);
9898 pci_set_drvdata(pdev, NULL);
9899}
9900
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009901static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9902{
9903 int i;
9904
9905 bp->state = BNX2X_STATE_ERROR;
9906
9907 bp->rx_mode = BNX2X_RX_MODE_NONE;
9908
9909 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009910 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009911
9912 del_timer_sync(&bp->timer);
9913 bp->stats_state = STATS_STATE_DISABLED;
9914 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9915
9916 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009917 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009918
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009919 /* Free SKBs, SGEs, TPA pool and driver internals */
9920 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009921
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009922 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009923 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009924
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009925 bnx2x_free_mem(bp);
9926
9927 bp->state = BNX2X_STATE_CLOSED;
9928
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009929 return 0;
9930}
9931
9932static void bnx2x_eeh_recover(struct bnx2x *bp)
9933{
9934 u32 val;
9935
9936 mutex_init(&bp->port.phy_mutex);
9937
9938 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9939 bp->link_params.shmem_base = bp->common.shmem_base;
9940 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9941
9942 if (!bp->common.shmem_base ||
9943 (bp->common.shmem_base < 0xA0000) ||
9944 (bp->common.shmem_base >= 0xC0000)) {
9945 BNX2X_DEV_INFO("MCP not active\n");
9946 bp->flags |= NO_MCP_FLAG;
9947 return;
9948 }
9949
9950 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9951 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9952 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9953 BNX2X_ERR("BAD MCP validity signature\n");
9954
9955 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009956 bp->fw_seq =
9957 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9958 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009959 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9960 }
9961}
9962
Wendy Xiong493adb12008-06-23 20:36:22 -07009963/**
9964 * bnx2x_io_error_detected - called when PCI error is detected
9965 * @pdev: Pointer to PCI device
9966 * @state: The current pci connection state
9967 *
9968 * This function is called after a PCI bus error affecting
9969 * this device has been detected.
9970 */
9971static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9972 pci_channel_state_t state)
9973{
9974 struct net_device *dev = pci_get_drvdata(pdev);
9975 struct bnx2x *bp = netdev_priv(dev);
9976
9977 rtnl_lock();
9978
9979 netif_device_detach(dev);
9980
Dean Nelson07ce50e2009-07-31 09:13:25 +00009981 if (state == pci_channel_io_perm_failure) {
9982 rtnl_unlock();
9983 return PCI_ERS_RESULT_DISCONNECT;
9984 }
9985
Wendy Xiong493adb12008-06-23 20:36:22 -07009986 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009987 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009988
9989 pci_disable_device(pdev);
9990
9991 rtnl_unlock();
9992
9993 /* Request a slot reset */
9994 return PCI_ERS_RESULT_NEED_RESET;
9995}
9996
9997/**
9998 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9999 * @pdev: Pointer to PCI device
10000 *
10001 * Restart the card from scratch, as if from a cold-boot.
10002 */
10003static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
10004{
10005 struct net_device *dev = pci_get_drvdata(pdev);
10006 struct bnx2x *bp = netdev_priv(dev);
10007
10008 rtnl_lock();
10009
10010 if (pci_enable_device(pdev)) {
10011 dev_err(&pdev->dev,
10012 "Cannot re-enable PCI device after reset\n");
10013 rtnl_unlock();
10014 return PCI_ERS_RESULT_DISCONNECT;
10015 }
10016
10017 pci_set_master(pdev);
10018 pci_restore_state(pdev);
10019
10020 if (netif_running(dev))
10021 bnx2x_set_power_state(bp, PCI_D0);
10022
10023 rtnl_unlock();
10024
10025 return PCI_ERS_RESULT_RECOVERED;
10026}
10027
10028/**
10029 * bnx2x_io_resume - called when traffic can start flowing again
10030 * @pdev: Pointer to PCI device
10031 *
10032 * This callback is called when the error recovery driver tells us that
10033 * its OK to resume normal operation.
10034 */
10035static void bnx2x_io_resume(struct pci_dev *pdev)
10036{
10037 struct net_device *dev = pci_get_drvdata(pdev);
10038 struct bnx2x *bp = netdev_priv(dev);
10039
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010040 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010041 printk(KERN_ERR "Handling parity error recovery. "
10042 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010043 return;
10044 }
10045
Wendy Xiong493adb12008-06-23 20:36:22 -070010046 rtnl_lock();
10047
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010048 bnx2x_eeh_recover(bp);
10049
Wendy Xiong493adb12008-06-23 20:36:22 -070010050 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010051 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070010052
10053 netif_device_attach(dev);
10054
10055 rtnl_unlock();
10056}
10057
10058static struct pci_error_handlers bnx2x_err_handler = {
10059 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000010060 .slot_reset = bnx2x_io_slot_reset,
10061 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070010062};
10063
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010064static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010065 .name = DRV_MODULE_NAME,
10066 .id_table = bnx2x_pci_tbl,
10067 .probe = bnx2x_init_one,
10068 .remove = __devexit_p(bnx2x_remove_one),
10069 .suspend = bnx2x_suspend,
10070 .resume = bnx2x_resume,
10071 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010072};
10073
10074static int __init bnx2x_init(void)
10075{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000010076 int ret;
10077
Joe Perches7995c642010-02-17 15:01:52 +000010078 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000010079
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010080 bnx2x_wq = create_singlethread_workqueue("bnx2x");
10081 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000010082 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010083 return -ENOMEM;
10084 }
10085
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000010086 ret = pci_register_driver(&bnx2x_pci_driver);
10087 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000010088 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000010089 destroy_workqueue(bnx2x_wq);
10090 }
10091 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010092}
10093
10094static void __exit bnx2x_cleanup(void)
10095{
10096 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010097
10098 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010099}
10100
10101module_init(bnx2x_init);
10102module_exit(bnx2x_cleanup);
10103
Michael Chan993ac7b2009-10-10 13:46:56 +000010104#ifdef BCM_CNIC
10105
10106/* count denotes the number of new completions we have seen */
10107static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
10108{
10109 struct eth_spe *spe;
10110
10111#ifdef BNX2X_STOP_ON_ERROR
10112 if (unlikely(bp->panic))
10113 return;
10114#endif
10115
10116 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010117 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000010118 bp->cnic_spq_pending -= count;
10119
Michael Chan993ac7b2009-10-10 13:46:56 +000010120
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010121 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
10122 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
10123 & SPE_HDR_CONN_TYPE) >>
10124 SPE_HDR_CONN_TYPE_SHIFT;
10125
10126 /* Set validation for iSCSI L2 client before sending SETUP
10127 * ramrod
10128 */
10129 if (type == ETH_CONNECTION_TYPE) {
10130 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
10131 hdr.conn_and_cmd_data) >>
10132 SPE_HDR_CMD_ID_SHIFT) & 0xff;
10133
10134 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
10135 bnx2x_set_ctx_validation(&bp->context.
10136 vcxt[BNX2X_ISCSI_ETH_CID].eth,
10137 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
10138 }
10139
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010140 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
10141 * We also check that the number of outstanding
10142 * COMMON ramrods is not more than the EQ and SPQ can
10143 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010144 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010145 if (type == ETH_CONNECTION_TYPE) {
10146 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010147 break;
10148 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010149 atomic_dec(&bp->cq_spq_left);
10150 } else if (type == NONE_CONNECTION_TYPE) {
10151 if (!atomic_read(&bp->eq_spq_left))
10152 break;
10153 else
10154 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010155 } else if ((type == ISCSI_CONNECTION_TYPE) ||
10156 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010157 if (bp->cnic_spq_pending >=
10158 bp->cnic_eth_dev.max_kwqe_pending)
10159 break;
10160 else
10161 bp->cnic_spq_pending++;
10162 } else {
10163 BNX2X_ERR("Unknown SPE type: %d\n", type);
10164 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000010165 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010166 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010167
10168 spe = bnx2x_sp_get_next(bp);
10169 *spe = *bp->cnic_kwq_cons;
10170
Michael Chan993ac7b2009-10-10 13:46:56 +000010171 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
10172 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
10173
10174 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
10175 bp->cnic_kwq_cons = bp->cnic_kwq;
10176 else
10177 bp->cnic_kwq_cons++;
10178 }
10179 bnx2x_sp_prod_update(bp);
10180 spin_unlock_bh(&bp->spq_lock);
10181}
10182
10183static int bnx2x_cnic_sp_queue(struct net_device *dev,
10184 struct kwqe_16 *kwqes[], u32 count)
10185{
10186 struct bnx2x *bp = netdev_priv(dev);
10187 int i;
10188
10189#ifdef BNX2X_STOP_ON_ERROR
10190 if (unlikely(bp->panic))
10191 return -EIO;
10192#endif
10193
10194 spin_lock_bh(&bp->spq_lock);
10195
10196 for (i = 0; i < count; i++) {
10197 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
10198
10199 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
10200 break;
10201
10202 *bp->cnic_kwq_prod = *spe;
10203
10204 bp->cnic_kwq_pending++;
10205
10206 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
10207 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010208 spe->data.update_data_addr.hi,
10209 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000010210 bp->cnic_kwq_pending);
10211
10212 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
10213 bp->cnic_kwq_prod = bp->cnic_kwq;
10214 else
10215 bp->cnic_kwq_prod++;
10216 }
10217
10218 spin_unlock_bh(&bp->spq_lock);
10219
10220 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
10221 bnx2x_cnic_sp_post(bp, 0);
10222
10223 return i;
10224}
10225
10226static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10227{
10228 struct cnic_ops *c_ops;
10229 int rc = 0;
10230
10231 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000010232 c_ops = rcu_dereference_protected(bp->cnic_ops,
10233 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000010234 if (c_ops)
10235 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10236 mutex_unlock(&bp->cnic_mutex);
10237
10238 return rc;
10239}
10240
10241static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10242{
10243 struct cnic_ops *c_ops;
10244 int rc = 0;
10245
10246 rcu_read_lock();
10247 c_ops = rcu_dereference(bp->cnic_ops);
10248 if (c_ops)
10249 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10250 rcu_read_unlock();
10251
10252 return rc;
10253}
10254
10255/*
10256 * for commands that have no data
10257 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010258int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000010259{
10260 struct cnic_ctl_info ctl = {0};
10261
10262 ctl.cmd = cmd;
10263
10264 return bnx2x_cnic_ctl_send(bp, &ctl);
10265}
10266
10267static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10268{
10269 struct cnic_ctl_info ctl;
10270
10271 /* first we tell CNIC and only then we count this as a completion */
10272 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10273 ctl.data.comp.cid = cid;
10274
10275 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010276 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010277}
10278
10279static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10280{
10281 struct bnx2x *bp = netdev_priv(dev);
10282 int rc = 0;
10283
10284 switch (ctl->cmd) {
10285 case DRV_CTL_CTXTBL_WR_CMD: {
10286 u32 index = ctl->data.io.offset;
10287 dma_addr_t addr = ctl->data.io.dma_addr;
10288
10289 bnx2x_ilt_wr(bp, index, addr);
10290 break;
10291 }
10292
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010293 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10294 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010295
10296 bnx2x_cnic_sp_post(bp, count);
10297 break;
10298 }
10299
10300 /* rtnl_lock is held. */
10301 case DRV_CTL_START_L2_CMD: {
10302 u32 cli = ctl->data.ring.client_id;
10303
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010304 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10305 bnx2x_del_fcoe_eth_macs(bp);
10306
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010307 /* Set iSCSI MAC address */
10308 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10309
10310 mmiowb();
10311 barrier();
10312
10313 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10314 * because it's the only way for UIO Client to accept
10315 * multicasts (in non-promiscuous mode only one Client per
10316 * function will receive multicast packets (leading in our
10317 * case).
10318 */
10319 bnx2x_rxq_set_mac_filters(bp, cli,
10320 BNX2X_ACCEPT_UNICAST |
10321 BNX2X_ACCEPT_BROADCAST |
10322 BNX2X_ACCEPT_ALL_MULTICAST);
10323 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10324
Michael Chan993ac7b2009-10-10 13:46:56 +000010325 break;
10326 }
10327
10328 /* rtnl_lock is held. */
10329 case DRV_CTL_STOP_L2_CMD: {
10330 u32 cli = ctl->data.ring.client_id;
10331
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010332 /* Stop accepting on iSCSI L2 ring */
10333 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10334 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10335
10336 mmiowb();
10337 barrier();
10338
10339 /* Unset iSCSI L2 MAC */
10340 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010341 break;
10342 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010343 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10344 int count = ctl->data.credit.credit_count;
10345
10346 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010347 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010348 smp_mb__after_atomic_inc();
10349 break;
10350 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010351
10352 default:
10353 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10354 rc = -EINVAL;
10355 }
10356
10357 return rc;
10358}
10359
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010360void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010361{
10362 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10363
10364 if (bp->flags & USING_MSIX_FLAG) {
10365 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10366 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10367 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10368 } else {
10369 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10370 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10371 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010372 if (CHIP_IS_E2(bp))
10373 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10374 else
10375 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10376
Michael Chan993ac7b2009-10-10 13:46:56 +000010377 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010378 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010379 cp->irq_arr[1].status_blk = bp->def_status_blk;
10380 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010381 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010382
10383 cp->num_irq = 2;
10384}
10385
10386static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10387 void *data)
10388{
10389 struct bnx2x *bp = netdev_priv(dev);
10390 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10391
10392 if (ops == NULL)
10393 return -EINVAL;
10394
10395 if (atomic_read(&bp->intr_sem) != 0)
10396 return -EBUSY;
10397
10398 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10399 if (!bp->cnic_kwq)
10400 return -ENOMEM;
10401
10402 bp->cnic_kwq_cons = bp->cnic_kwq;
10403 bp->cnic_kwq_prod = bp->cnic_kwq;
10404 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10405
10406 bp->cnic_spq_pending = 0;
10407 bp->cnic_kwq_pending = 0;
10408
10409 bp->cnic_data = data;
10410
10411 cp->num_irq = 0;
10412 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010413 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010414
Michael Chan993ac7b2009-10-10 13:46:56 +000010415 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010416
Michael Chan993ac7b2009-10-10 13:46:56 +000010417 rcu_assign_pointer(bp->cnic_ops, ops);
10418
10419 return 0;
10420}
10421
10422static int bnx2x_unregister_cnic(struct net_device *dev)
10423{
10424 struct bnx2x *bp = netdev_priv(dev);
10425 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10426
10427 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010428 cp->drv_state = 0;
10429 rcu_assign_pointer(bp->cnic_ops, NULL);
10430 mutex_unlock(&bp->cnic_mutex);
10431 synchronize_rcu();
10432 kfree(bp->cnic_kwq);
10433 bp->cnic_kwq = NULL;
10434
10435 return 0;
10436}
10437
10438struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10439{
10440 struct bnx2x *bp = netdev_priv(dev);
10441 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10442
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010443 /* If both iSCSI and FCoE are disabled - return NULL in
10444 * order to indicate CNIC that it should not try to work
10445 * with this device.
10446 */
10447 if (NO_ISCSI(bp) && NO_FCOE(bp))
10448 return NULL;
10449
Michael Chan993ac7b2009-10-10 13:46:56 +000010450 cp->drv_owner = THIS_MODULE;
10451 cp->chip_id = CHIP_ID(bp);
10452 cp->pdev = bp->pdev;
10453 cp->io_base = bp->regview;
10454 cp->io_base2 = bp->doorbells;
10455 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010456 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010457 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10458 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010459 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010460 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010461 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10462 cp->drv_ctl = bnx2x_drv_ctl;
10463 cp->drv_register_cnic = bnx2x_register_cnic;
10464 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010465 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10466 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10467 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010468 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010469
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010470 if (NO_ISCSI_OOO(bp))
10471 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10472
10473 if (NO_ISCSI(bp))
10474 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10475
10476 if (NO_FCOE(bp))
10477 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10478
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010479 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10480 "starting cid %d\n",
10481 cp->ctx_blk_size,
10482 cp->ctx_tbl_offset,
10483 cp->ctx_tbl_len,
10484 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010485 return cp;
10486}
10487EXPORT_SYMBOL(bnx2x_cnic_probe);
10488
10489#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010490