blob: f40740e68ea52cb8184d47bebfecd21eba548215 [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 */
589 mutex_lock(&bp->dmae_mutex);
590
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:
620 mutex_unlock(&bp->dmae_mutex);
621 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();
1400 atomic_inc(&bp->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 Greenstein46230476b2008-08-25 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 {
1977 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1978 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001979 /* If min rate is zero - set it to 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001980 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001981 vn_min_rate = DEF_MIN_RATE;
1982 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
1983 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
1984 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001985
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001986 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001987 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001988 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001989
1990 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1991 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1992
1993 /* global vn counter - maximal Mbps for this vn */
1994 m_rs_vn.vn_counter.rate = vn_max_rate;
1995
1996 /* quota - number of bytes transmitted in this period */
1997 m_rs_vn.vn_counter.quota =
1998 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
1999
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002000 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002001 /* credit for each period of the fairness algorithm:
2002 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002003 vn_weight_sum should not be larger than 10000, thus
2004 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2005 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002006 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002007 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2008 (8 * bp->vn_weight_sum))),
2009 (bp->cmng.fair_vars.fair_threshold * 2));
2010 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002011 m_fair_vn.vn_credit_delta);
2012 }
2013
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002014 /* Store it to internal memory */
2015 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2016 REG_WR(bp, BAR_XSTRORM_INTMEM +
2017 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2018 ((u32 *)(&m_rs_vn))[i]);
2019
2020 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2021 REG_WR(bp, BAR_XSTRORM_INTMEM +
2022 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2023 ((u32 *)(&m_fair_vn))[i]);
2024}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002025
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002026static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2027{
2028 if (CHIP_REV_IS_SLOW(bp))
2029 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002030 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002031 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002032
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002033 return CMNG_FNS_NONE;
2034}
2035
2036static void bnx2x_read_mf_cfg(struct bnx2x *bp)
2037{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002038 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002039
2040 if (BP_NOMCP(bp))
2041 return; /* what should be the default bvalue in this case */
2042
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002043 /* For 2 port configuration the absolute function number formula
2044 * is:
2045 * abs_func = 2 * vn + BP_PORT + BP_PATH
2046 *
2047 * and there are 4 functions per port
2048 *
2049 * For 4 port configuration it is
2050 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2051 *
2052 * and there are 2 functions per port
2053 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002054 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002055 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2056
2057 if (func >= E1H_FUNC_MAX)
2058 break;
2059
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002060 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002061 MF_CFG_RD(bp, func_mf_config[func].config);
2062 }
2063}
2064
2065static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2066{
2067
2068 if (cmng_type == CMNG_FNS_MINMAX) {
2069 int vn;
2070
2071 /* clear cmng_enables */
2072 bp->cmng.flags.cmng_enables = 0;
2073
2074 /* read mf conf from shmem */
2075 if (read_cfg)
2076 bnx2x_read_mf_cfg(bp);
2077
2078 /* Init rate shaping and fairness contexts */
2079 bnx2x_init_port_minmax(bp);
2080
2081 /* vn_weight_sum and enable fairness if not 0 */
2082 bnx2x_calc_vn_weight_sum(bp);
2083
2084 /* calculate and set min-max rate for each vn */
2085 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2086 bnx2x_init_vn_minmax(bp, vn);
2087
2088 /* always enable rate shaping and fairness */
2089 bp->cmng.flags.cmng_enables |=
2090 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2091 if (!bp->vn_weight_sum)
2092 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2093 " fairness will be disabled\n");
2094 return;
2095 }
2096
2097 /* rate shaping and fairness are disabled */
2098 DP(NETIF_MSG_IFUP,
2099 "rate shaping and fairness are disabled\n");
2100}
2101
2102static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2103{
2104 int port = BP_PORT(bp);
2105 int func;
2106 int vn;
2107
2108 /* Set the attention towards other drivers on the same port */
2109 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2110 if (vn == BP_E1HVN(bp))
2111 continue;
2112
2113 func = ((vn << 1) | port);
2114 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2115 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2116 }
2117}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002118
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002119/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002120static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002121{
Vladislav Zolotarovd9e8b182010-04-19 01:15:08 +00002122 u32 prev_link_status = bp->link_vars.link_status;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002123 /* Make sure that we are synced with the current statistics */
2124 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2125
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002126 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002127
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002128 if (bp->link_vars.link_up) {
2129
Eilon Greenstein1c063282009-02-12 08:36:43 +00002130 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002131 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002132 int port = BP_PORT(bp);
2133 u32 pause_enabled = 0;
2134
2135 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2136 pause_enabled = 1;
2137
2138 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002139 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002140 pause_enabled);
2141 }
2142
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002143 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2144 struct host_port_stats *pstats;
2145
2146 pstats = bnx2x_sp(bp, port_stats);
2147 /* reset old bmac stats */
2148 memset(&(pstats->mac_stx[0]), 0,
2149 sizeof(struct mac_stx));
2150 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002151 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002152 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2153 }
2154
Vladislav Zolotarovd9e8b182010-04-19 01:15:08 +00002155 /* indicate link status only if link status actually changed */
2156 if (prev_link_status != bp->link_vars.link_status)
2157 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002158
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002159 if (IS_MF(bp))
2160 bnx2x_link_sync_notify(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002161
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002162 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2163 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002164
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002165 if (cmng_fns != CMNG_FNS_NONE) {
2166 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2167 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2168 } else
2169 /* rate shaping and fairness are disabled */
2170 DP(NETIF_MSG_IFUP,
2171 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002172 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002173}
2174
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002175void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002176{
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002177 if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002178 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002179
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002180 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2181
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002182 if (bp->link_vars.link_up)
2183 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2184 else
2185 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2186
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002187 /* the link status update could be the result of a DCC event
2188 hence re-read the shmem mf configuration */
2189 bnx2x_read_mf_cfg(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002190
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002191 /* indicate link status */
2192 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002193}
2194
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002195static void bnx2x_pmf_update(struct bnx2x *bp)
2196{
2197 int port = BP_PORT(bp);
2198 u32 val;
2199
2200 bp->port.pmf = 1;
2201 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2202
2203 /* enable nig attention */
2204 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002205 if (bp->common.int_block == INT_BLOCK_HC) {
2206 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2207 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2208 } else if (CHIP_IS_E2(bp)) {
2209 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2210 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2211 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002212
2213 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002214}
2215
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002216/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002217
2218/* slow path */
2219
2220/*
2221 * General service functions
2222 */
2223
Eilon Greenstein2691d512009-08-12 08:22:08 +00002224/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002225u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002226{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002227 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002228 u32 seq = ++bp->fw_seq;
2229 u32 rc = 0;
2230 u32 cnt = 1;
2231 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2232
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002233 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002234 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2235 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2236
Eilon Greenstein2691d512009-08-12 08:22:08 +00002237 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2238
2239 do {
2240 /* let the FW do it's magic ... */
2241 msleep(delay);
2242
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002243 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002244
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002245 /* Give the FW up to 5 second (500*10ms) */
2246 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002247
2248 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2249 cnt*delay, rc, seq);
2250
2251 /* is this a reply to our command? */
2252 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2253 rc &= FW_MSG_CODE_MASK;
2254 else {
2255 /* FW BUG! */
2256 BNX2X_ERR("FW failed to respond!\n");
2257 bnx2x_fw_dump(bp);
2258 rc = 0;
2259 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002260 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002261
2262 return rc;
2263}
2264
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002265static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2266{
2267#ifdef BCM_CNIC
2268 if (IS_FCOE_FP(fp) && IS_MF(bp))
2269 return false;
2270#endif
2271 return true;
2272}
2273
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002274/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002275static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002276{
2277 u32 mask = (1 << cl_id);
2278
2279 /* initial seeting is BNX2X_ACCEPT_NONE */
2280 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2281 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2282 u8 unmatched_unicast = 0;
2283
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002284 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2285 unmatched_unicast = 1;
2286
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002287 if (filters & BNX2X_PROMISCUOUS_MODE) {
2288 /* promiscious - accept all, drop none */
2289 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2290 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002291 if (IS_MF_SI(bp)) {
2292 /*
2293 * SI mode defines to accept in promiscuos mode
2294 * only unmatched packets
2295 */
2296 unmatched_unicast = 1;
2297 accp_all_ucast = 0;
2298 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002299 }
2300 if (filters & BNX2X_ACCEPT_UNICAST) {
2301 /* accept matched ucast */
2302 drop_all_ucast = 0;
2303 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002304 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002305 /* accept matched mcast */
2306 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002307
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002308 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2309 /* accept all mcast */
2310 drop_all_ucast = 0;
2311 accp_all_ucast = 1;
2312 }
2313 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2314 /* accept all mcast */
2315 drop_all_mcast = 0;
2316 accp_all_mcast = 1;
2317 }
2318 if (filters & BNX2X_ACCEPT_BROADCAST) {
2319 /* accept (all) bcast */
2320 drop_all_bcast = 0;
2321 accp_all_bcast = 1;
2322 }
2323
2324 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2325 bp->mac_filters.ucast_drop_all | mask :
2326 bp->mac_filters.ucast_drop_all & ~mask;
2327
2328 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2329 bp->mac_filters.mcast_drop_all | mask :
2330 bp->mac_filters.mcast_drop_all & ~mask;
2331
2332 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2333 bp->mac_filters.bcast_drop_all | mask :
2334 bp->mac_filters.bcast_drop_all & ~mask;
2335
2336 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2337 bp->mac_filters.ucast_accept_all | mask :
2338 bp->mac_filters.ucast_accept_all & ~mask;
2339
2340 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2341 bp->mac_filters.mcast_accept_all | mask :
2342 bp->mac_filters.mcast_accept_all & ~mask;
2343
2344 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2345 bp->mac_filters.bcast_accept_all | mask :
2346 bp->mac_filters.bcast_accept_all & ~mask;
2347
2348 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2349 bp->mac_filters.unmatched_unicast | mask :
2350 bp->mac_filters.unmatched_unicast & ~mask;
2351}
2352
stephen hemminger8d962862010-10-21 07:50:56 +00002353static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002354{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002355 struct tstorm_eth_function_common_config tcfg = {0};
2356 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002357
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002358 /* tpa */
2359 if (p->func_flgs & FUNC_FLG_TPA)
2360 tcfg.config_flags |=
2361 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002362
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002363 /* set rss flags */
2364 rss_flgs = (p->rss->mode <<
2365 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002366
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002367 if (p->rss->cap & RSS_IPV4_CAP)
2368 rss_flgs |= RSS_IPV4_CAP_MASK;
2369 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2370 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2371 if (p->rss->cap & RSS_IPV6_CAP)
2372 rss_flgs |= RSS_IPV6_CAP_MASK;
2373 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2374 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002375
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002376 tcfg.config_flags |= rss_flgs;
2377 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002378
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002379 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002380
2381 /* Enable the function in the FW */
2382 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2383 storm_memset_func_en(bp, p->func_id, 1);
2384
2385 /* statistics */
2386 if (p->func_flgs & FUNC_FLG_STATS) {
2387 struct stats_indication_flags stats_flags = {0};
2388 stats_flags.collect_eth = 1;
2389
2390 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2391 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2392
2393 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2394 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2395
2396 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2397 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2398
2399 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2400 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2401 }
2402
2403 /* spq */
2404 if (p->func_flgs & FUNC_FLG_SPQ) {
2405 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2406 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2407 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2408 }
2409}
2410
2411static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2412 struct bnx2x_fastpath *fp)
2413{
2414 u16 flags = 0;
2415
2416 /* calculate queue flags */
2417 flags |= QUEUE_FLG_CACHE_ALIGN;
2418 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002419 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002420
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002421 flags |= QUEUE_FLG_VLAN;
2422 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002423
2424 if (!fp->disable_tpa)
2425 flags |= QUEUE_FLG_TPA;
2426
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002427 flags = stat_counter_valid(bp, fp) ?
2428 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002429
2430 return flags;
2431}
2432
2433static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2434 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2435 struct bnx2x_rxq_init_params *rxq_init)
2436{
2437 u16 max_sge = 0;
2438 u16 sge_sz = 0;
2439 u16 tpa_agg_size = 0;
2440
2441 /* calculate queue flags */
2442 u16 flags = bnx2x_get_cl_flags(bp, fp);
2443
2444 if (!fp->disable_tpa) {
2445 pause->sge_th_hi = 250;
2446 pause->sge_th_lo = 150;
2447 tpa_agg_size = min_t(u32,
2448 (min_t(u32, 8, MAX_SKB_FRAGS) *
2449 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2450 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2451 SGE_PAGE_SHIFT;
2452 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2453 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2454 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2455 0xffff);
2456 }
2457
2458 /* pause - not for e1 */
2459 if (!CHIP_IS_E1(bp)) {
2460 pause->bd_th_hi = 350;
2461 pause->bd_th_lo = 250;
2462 pause->rcq_th_hi = 350;
2463 pause->rcq_th_lo = 250;
2464 pause->sge_th_hi = 0;
2465 pause->sge_th_lo = 0;
2466 pause->pri_map = 1;
2467 }
2468
2469 /* rxq setup */
2470 rxq_init->flags = flags;
2471 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2472 rxq_init->dscr_map = fp->rx_desc_mapping;
2473 rxq_init->sge_map = fp->rx_sge_mapping;
2474 rxq_init->rcq_map = fp->rx_comp_mapping;
2475 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
2476 rxq_init->mtu = bp->dev->mtu;
2477 rxq_init->buf_sz = bp->rx_buf_size;
2478 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2479 rxq_init->cl_id = fp->cl_id;
2480 rxq_init->spcl_id = fp->cl_id;
2481 rxq_init->stat_id = fp->cl_id;
2482 rxq_init->tpa_agg_sz = tpa_agg_size;
2483 rxq_init->sge_buf_sz = sge_sz;
2484 rxq_init->max_sges_pkt = max_sge;
2485 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2486 rxq_init->fw_sb_id = fp->fw_sb_id;
2487
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002488 if (IS_FCOE_FP(fp))
2489 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2490 else
2491 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002492
2493 rxq_init->cid = HW_CID(bp, fp->cid);
2494
2495 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2496}
2497
2498static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2499 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2500{
2501 u16 flags = bnx2x_get_cl_flags(bp, fp);
2502
2503 txq_init->flags = flags;
2504 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2505 txq_init->dscr_map = fp->tx_desc_mapping;
2506 txq_init->stat_id = fp->cl_id;
2507 txq_init->cid = HW_CID(bp, fp->cid);
2508 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2509 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2510 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002511
2512 if (IS_FCOE_FP(fp)) {
2513 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2514 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2515 }
2516
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002517 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2518}
2519
stephen hemminger8d962862010-10-21 07:50:56 +00002520static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002521{
2522 struct bnx2x_func_init_params func_init = {0};
2523 struct bnx2x_rss_params rss = {0};
2524 struct event_ring_data eq_data = { {0} };
2525 u16 flags;
2526
2527 /* pf specific setups */
2528 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002529 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002530
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002531 if (CHIP_IS_E2(bp)) {
2532 /* reset IGU PF statistics: MSIX + ATTN */
2533 /* PF */
2534 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2535 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2536 (CHIP_MODE_IS_4_PORT(bp) ?
2537 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2538 /* ATTN */
2539 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2540 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2541 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2542 (CHIP_MODE_IS_4_PORT(bp) ?
2543 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2544 }
2545
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002546 /* function setup flags */
2547 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2548
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002549 if (CHIP_IS_E1x(bp))
2550 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2551 else
2552 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002553
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002554 /* function setup */
2555
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002556 /**
2557 * Although RSS is meaningless when there is a single HW queue we
2558 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002559 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002560 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2561 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2562 rss.mode = bp->multi_mode;
2563 rss.result_mask = MULTI_MASK;
2564 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002565
2566 func_init.func_flgs = flags;
2567 func_init.pf_id = BP_FUNC(bp);
2568 func_init.func_id = BP_FUNC(bp);
2569 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2570 func_init.spq_map = bp->spq_mapping;
2571 func_init.spq_prod = bp->spq_prod_idx;
2572
2573 bnx2x_func_init(bp, &func_init);
2574
2575 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2576
2577 /*
2578 Congestion management values depend on the link rate
2579 There is no active link so initial link rate is set to 10 Gbps.
2580 When the link comes up The congestion management values are
2581 re-calculated according to the actual link rate.
2582 */
2583 bp->link_vars.line_speed = SPEED_10000;
2584 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2585
2586 /* Only the PMF sets the HW */
2587 if (bp->port.pmf)
2588 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2589
2590 /* no rx until link is up */
2591 bp->rx_mode = BNX2X_RX_MODE_NONE;
2592 bnx2x_set_storm_rx_mode(bp);
2593
2594 /* init Event Queue */
2595 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2596 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2597 eq_data.producer = bp->eq_prod;
2598 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2599 eq_data.sb_id = DEF_SB_ID;
2600 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2601}
2602
2603
Eilon Greenstein2691d512009-08-12 08:22:08 +00002604static void bnx2x_e1h_disable(struct bnx2x *bp)
2605{
2606 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002607
2608 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002609
2610 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2611
Eilon Greenstein2691d512009-08-12 08:22:08 +00002612 netif_carrier_off(bp->dev);
2613}
2614
2615static void bnx2x_e1h_enable(struct bnx2x *bp)
2616{
2617 int port = BP_PORT(bp);
2618
2619 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2620
Eilon Greenstein2691d512009-08-12 08:22:08 +00002621 /* Tx queue should be only reenabled */
2622 netif_tx_wake_all_queues(bp->dev);
2623
Eilon Greenstein061bc702009-10-15 00:18:47 -07002624 /*
2625 * Should not call netif_carrier_on since it will be called if the link
2626 * is up when checking for link state
2627 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002628}
2629
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002630/* called due to MCP event (on pmf):
2631 * reread new bandwidth configuration
2632 * configure FW
2633 * notify others function about the change
2634 */
2635static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2636{
2637 if (bp->link_vars.link_up) {
2638 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2639 bnx2x_link_sync_notify(bp);
2640 }
2641 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2642}
2643
2644static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2645{
2646 bnx2x_config_mf_bw(bp);
2647 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2648}
2649
Eilon Greenstein2691d512009-08-12 08:22:08 +00002650static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2651{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002652 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002653
2654 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2655
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002656 /*
2657 * This is the only place besides the function initialization
2658 * where the bp->flags can change so it is done without any
2659 * locks
2660 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002661 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002662 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002663 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002664
2665 bnx2x_e1h_disable(bp);
2666 } else {
2667 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002668 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002669
2670 bnx2x_e1h_enable(bp);
2671 }
2672 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2673 }
2674 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002675 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002676 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2677 }
2678
2679 /* Report results to MCP */
2680 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002681 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002682 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002683 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002684}
2685
Michael Chan28912902009-10-10 13:46:53 +00002686/* must be called under the spq lock */
2687static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2688{
2689 struct eth_spe *next_spe = bp->spq_prod_bd;
2690
2691 if (bp->spq_prod_bd == bp->spq_last_bd) {
2692 bp->spq_prod_bd = bp->spq;
2693 bp->spq_prod_idx = 0;
2694 DP(NETIF_MSG_TIMER, "end of spq\n");
2695 } else {
2696 bp->spq_prod_bd++;
2697 bp->spq_prod_idx++;
2698 }
2699 return next_spe;
2700}
2701
2702/* must be called under the spq lock */
2703static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2704{
2705 int func = BP_FUNC(bp);
2706
2707 /* Make sure that BD data is updated before writing the producer */
2708 wmb();
2709
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002710 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002711 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002712 mmiowb();
2713}
2714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002715/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002716int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002717 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002718{
Michael Chan28912902009-10-10 13:46:53 +00002719 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002720 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002721
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002722#ifdef BNX2X_STOP_ON_ERROR
2723 if (unlikely(bp->panic))
2724 return -EIO;
2725#endif
2726
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002727 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002728
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002729 if (!atomic_read(&bp->spq_left)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002730 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002731 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002732 bnx2x_panic();
2733 return -EBUSY;
2734 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002735
Michael Chan28912902009-10-10 13:46:53 +00002736 spe = bnx2x_sp_get_next(bp);
2737
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002738 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002739 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002740 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2741 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002742
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002743 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002744 /* Common ramrods:
2745 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2746 * TRAFFIC_STOP, TRAFFIC_START
2747 */
2748 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2749 & SPE_HDR_CONN_TYPE;
2750 else
2751 /* ETH ramrods: SETUP, HALT */
2752 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2753 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002754
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002755 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2756 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002757
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002758 spe->hdr.type = cpu_to_le16(type);
2759
2760 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2761 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2762
2763 /* stats ramrod has it's own slot on the spq */
2764 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY)
2765 /* It's ok if the actual decrement is issued towards the memory
2766 * somewhere between the spin_lock and spin_unlock. Thus no
2767 * more explict memory barrier is needed.
2768 */
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002769 atomic_dec(&bp->spq_left);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002770
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002771 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002772 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
2773 "type(0x%x) left %x\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002774 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2775 (u32)(U64_LO(bp->spq_mapping) +
2776 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002777 HW_CID(bp, cid), data_hi, data_lo, type, atomic_read(&bp->spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002778
Michael Chan28912902009-10-10 13:46:53 +00002779 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002780 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002781 return 0;
2782}
2783
2784/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002785static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002786{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002787 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002788 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002789
2790 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002791 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002792 val = (1UL << 31);
2793 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2794 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2795 if (val & (1L << 31))
2796 break;
2797
2798 msleep(5);
2799 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002800 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002801 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002802 rc = -EBUSY;
2803 }
2804
2805 return rc;
2806}
2807
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002808/* release split MCP access lock register */
2809static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002810{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002811 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002812}
2813
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002814#define BNX2X_DEF_SB_ATT_IDX 0x0001
2815#define BNX2X_DEF_SB_IDX 0x0002
2816
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002817static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2818{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002819 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002820 u16 rc = 0;
2821
2822 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002823 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2824 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002825 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002826 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002827
2828 if (bp->def_idx != def_sb->sp_sb.running_index) {
2829 bp->def_idx = def_sb->sp_sb.running_index;
2830 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002831 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002832
2833 /* Do not reorder: indecies reading should complete before handling */
2834 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002835 return rc;
2836}
2837
2838/*
2839 * slow path service functions
2840 */
2841
2842static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2843{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002844 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002845 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2846 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002847 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2848 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002849 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002850 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002851 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002852
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002853 if (bp->attn_state & asserted)
2854 BNX2X_ERR("IGU ERROR\n");
2855
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002856 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2857 aeu_mask = REG_RD(bp, aeu_addr);
2858
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002859 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002860 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002861 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002862 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002863
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002864 REG_WR(bp, aeu_addr, aeu_mask);
2865 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002866
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002867 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002868 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002869 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002870
2871 if (asserted & ATTN_HARD_WIRED_MASK) {
2872 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002873
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002874 bnx2x_acquire_phy_lock(bp);
2875
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002876 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002877 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002878 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002879
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002880 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002881
2882 /* handle unicore attn? */
2883 }
2884 if (asserted & ATTN_SW_TIMER_4_FUNC)
2885 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2886
2887 if (asserted & GPIO_2_FUNC)
2888 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2889
2890 if (asserted & GPIO_3_FUNC)
2891 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2892
2893 if (asserted & GPIO_4_FUNC)
2894 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2895
2896 if (port == 0) {
2897 if (asserted & ATTN_GENERAL_ATTN_1) {
2898 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2899 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2900 }
2901 if (asserted & ATTN_GENERAL_ATTN_2) {
2902 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2903 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2904 }
2905 if (asserted & ATTN_GENERAL_ATTN_3) {
2906 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2907 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2908 }
2909 } else {
2910 if (asserted & ATTN_GENERAL_ATTN_4) {
2911 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2912 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2913 }
2914 if (asserted & ATTN_GENERAL_ATTN_5) {
2915 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2916 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2917 }
2918 if (asserted & ATTN_GENERAL_ATTN_6) {
2919 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2920 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2921 }
2922 }
2923
2924 } /* if hardwired */
2925
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002926 if (bp->common.int_block == INT_BLOCK_HC)
2927 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2928 COMMAND_REG_ATTN_BITS_SET);
2929 else
2930 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2931
2932 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2933 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2934 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002935
2936 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002937 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002938 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002939 bnx2x_release_phy_lock(bp);
2940 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002941}
2942
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002943static inline void bnx2x_fan_failure(struct bnx2x *bp)
2944{
2945 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002946 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002947 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002948 ext_phy_config =
2949 SHMEM_RD(bp,
2950 dev_info.port_hw_config[port].external_phy_config);
2951
2952 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2953 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002954 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002955 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002956
2957 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002958 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2959 " the driver to shutdown the card to prevent permanent"
2960 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002961}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002962
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002963static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2964{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002965 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002966 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002967 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002968
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002969 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2970 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002971
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002972 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002973
2974 val = REG_RD(bp, reg_offset);
2975 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2976 REG_WR(bp, reg_offset, val);
2977
2978 BNX2X_ERR("SPIO5 hw attention\n");
2979
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002980 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002981 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002982 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002983 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002984
Eilon Greenstein589abe32009-02-12 08:36:55 +00002985 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2986 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2987 bnx2x_acquire_phy_lock(bp);
2988 bnx2x_handle_module_detect_int(&bp->link_params);
2989 bnx2x_release_phy_lock(bp);
2990 }
2991
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002992 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2993
2994 val = REG_RD(bp, reg_offset);
2995 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2996 REG_WR(bp, reg_offset, val);
2997
2998 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00002999 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003000 bnx2x_panic();
3001 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003002}
3003
3004static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3005{
3006 u32 val;
3007
Eilon Greenstein0626b892009-02-12 08:38:14 +00003008 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003009
3010 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3011 BNX2X_ERR("DB hw attention 0x%x\n", val);
3012 /* DORQ discard attention */
3013 if (val & 0x2)
3014 BNX2X_ERR("FATAL error from DORQ\n");
3015 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003016
3017 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3018
3019 int port = BP_PORT(bp);
3020 int reg_offset;
3021
3022 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3023 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3024
3025 val = REG_RD(bp, reg_offset);
3026 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3027 REG_WR(bp, reg_offset, val);
3028
3029 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003030 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003031 bnx2x_panic();
3032 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003033}
3034
3035static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3036{
3037 u32 val;
3038
3039 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3040
3041 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3042 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3043 /* CFC error attention */
3044 if (val & 0x2)
3045 BNX2X_ERR("FATAL error from CFC\n");
3046 }
3047
3048 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3049
3050 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3051 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3052 /* RQ_USDMDP_FIFO_OVERFLOW */
3053 if (val & 0x18000)
3054 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003055 if (CHIP_IS_E2(bp)) {
3056 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3057 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3058 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003059 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003060
3061 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3062
3063 int port = BP_PORT(bp);
3064 int reg_offset;
3065
3066 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3067 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3068
3069 val = REG_RD(bp, reg_offset);
3070 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3071 REG_WR(bp, reg_offset, val);
3072
3073 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003074 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003075 bnx2x_panic();
3076 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003077}
3078
3079static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3080{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003081 u32 val;
3082
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003083 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3084
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003085 if (attn & BNX2X_PMF_LINK_ASSERT) {
3086 int func = BP_FUNC(bp);
3087
3088 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003089 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3090 func_mf_config[BP_ABS_FUNC(bp)].config);
3091 val = SHMEM_RD(bp,
3092 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003093 if (val & DRV_STATUS_DCC_EVENT_MASK)
3094 bnx2x_dcc_event(bp,
3095 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003096
3097 if (val & DRV_STATUS_SET_MF_BW)
3098 bnx2x_set_mf_bw(bp);
3099
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003100 bnx2x__link_status_update(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003101 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003102 bnx2x_pmf_update(bp);
3103
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003104 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003105 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3106 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003107 /* start dcbx state machine */
3108 bnx2x_dcbx_set_params(bp,
3109 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003110 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003111
3112 BNX2X_ERR("MC assert!\n");
3113 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3114 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3115 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3116 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3117 bnx2x_panic();
3118
3119 } else if (attn & BNX2X_MCP_ASSERT) {
3120
3121 BNX2X_ERR("MCP assert!\n");
3122 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003123 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003124
3125 } else
3126 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3127 }
3128
3129 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003130 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3131 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003132 val = CHIP_IS_E1(bp) ? 0 :
3133 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003134 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3135 }
3136 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003137 val = CHIP_IS_E1(bp) ? 0 :
3138 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003139 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3140 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003141 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003142 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003143}
3144
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003145#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3146#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3147#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3148#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3149#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003150
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003151/*
3152 * should be run under rtnl lock
3153 */
3154static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3155{
3156 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3157 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3158 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3159 barrier();
3160 mmiowb();
3161}
3162
3163/*
3164 * should be run under rtnl lock
3165 */
3166static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3167{
3168 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3169 val |= (1 << 16);
3170 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3171 barrier();
3172 mmiowb();
3173}
3174
3175/*
3176 * should be run under rtnl lock
3177 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003178bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003179{
3180 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3181 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3182 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3183}
3184
3185/*
3186 * should be run under rtnl lock
3187 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003188inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003189{
3190 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3191
3192 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3193
3194 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3195 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3196 barrier();
3197 mmiowb();
3198}
3199
3200/*
3201 * should be run under rtnl lock
3202 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003203u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003204{
3205 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3206
3207 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3208
3209 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3210 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3211 barrier();
3212 mmiowb();
3213
3214 return val1;
3215}
3216
3217/*
3218 * should be run under rtnl lock
3219 */
3220static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3221{
3222 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3223}
3224
3225static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3226{
3227 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3228 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3229}
3230
3231static inline void _print_next_block(int idx, const char *blk)
3232{
3233 if (idx)
3234 pr_cont(", ");
3235 pr_cont("%s", blk);
3236}
3237
3238static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3239{
3240 int i = 0;
3241 u32 cur_bit = 0;
3242 for (i = 0; sig; i++) {
3243 cur_bit = ((u32)0x1 << i);
3244 if (sig & cur_bit) {
3245 switch (cur_bit) {
3246 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3247 _print_next_block(par_num++, "BRB");
3248 break;
3249 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3250 _print_next_block(par_num++, "PARSER");
3251 break;
3252 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3253 _print_next_block(par_num++, "TSDM");
3254 break;
3255 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3256 _print_next_block(par_num++, "SEARCHER");
3257 break;
3258 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3259 _print_next_block(par_num++, "TSEMI");
3260 break;
3261 }
3262
3263 /* Clear the bit */
3264 sig &= ~cur_bit;
3265 }
3266 }
3267
3268 return par_num;
3269}
3270
3271static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3272{
3273 int i = 0;
3274 u32 cur_bit = 0;
3275 for (i = 0; sig; i++) {
3276 cur_bit = ((u32)0x1 << i);
3277 if (sig & cur_bit) {
3278 switch (cur_bit) {
3279 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3280 _print_next_block(par_num++, "PBCLIENT");
3281 break;
3282 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3283 _print_next_block(par_num++, "QM");
3284 break;
3285 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3286 _print_next_block(par_num++, "XSDM");
3287 break;
3288 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3289 _print_next_block(par_num++, "XSEMI");
3290 break;
3291 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3292 _print_next_block(par_num++, "DOORBELLQ");
3293 break;
3294 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3295 _print_next_block(par_num++, "VAUX PCI CORE");
3296 break;
3297 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3298 _print_next_block(par_num++, "DEBUG");
3299 break;
3300 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3301 _print_next_block(par_num++, "USDM");
3302 break;
3303 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3304 _print_next_block(par_num++, "USEMI");
3305 break;
3306 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3307 _print_next_block(par_num++, "UPB");
3308 break;
3309 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3310 _print_next_block(par_num++, "CSDM");
3311 break;
3312 }
3313
3314 /* Clear the bit */
3315 sig &= ~cur_bit;
3316 }
3317 }
3318
3319 return par_num;
3320}
3321
3322static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3323{
3324 int i = 0;
3325 u32 cur_bit = 0;
3326 for (i = 0; sig; i++) {
3327 cur_bit = ((u32)0x1 << i);
3328 if (sig & cur_bit) {
3329 switch (cur_bit) {
3330 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3331 _print_next_block(par_num++, "CSEMI");
3332 break;
3333 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3334 _print_next_block(par_num++, "PXP");
3335 break;
3336 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3337 _print_next_block(par_num++,
3338 "PXPPCICLOCKCLIENT");
3339 break;
3340 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3341 _print_next_block(par_num++, "CFC");
3342 break;
3343 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3344 _print_next_block(par_num++, "CDU");
3345 break;
3346 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3347 _print_next_block(par_num++, "IGU");
3348 break;
3349 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3350 _print_next_block(par_num++, "MISC");
3351 break;
3352 }
3353
3354 /* Clear the bit */
3355 sig &= ~cur_bit;
3356 }
3357 }
3358
3359 return par_num;
3360}
3361
3362static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3363{
3364 int i = 0;
3365 u32 cur_bit = 0;
3366 for (i = 0; sig; i++) {
3367 cur_bit = ((u32)0x1 << i);
3368 if (sig & cur_bit) {
3369 switch (cur_bit) {
3370 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3371 _print_next_block(par_num++, "MCP ROM");
3372 break;
3373 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3374 _print_next_block(par_num++, "MCP UMP RX");
3375 break;
3376 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3377 _print_next_block(par_num++, "MCP UMP TX");
3378 break;
3379 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3380 _print_next_block(par_num++, "MCP SCPAD");
3381 break;
3382 }
3383
3384 /* Clear the bit */
3385 sig &= ~cur_bit;
3386 }
3387 }
3388
3389 return par_num;
3390}
3391
3392static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3393 u32 sig2, u32 sig3)
3394{
3395 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3396 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3397 int par_num = 0;
3398 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3399 "[0]:0x%08x [1]:0x%08x "
3400 "[2]:0x%08x [3]:0x%08x\n",
3401 sig0 & HW_PRTY_ASSERT_SET_0,
3402 sig1 & HW_PRTY_ASSERT_SET_1,
3403 sig2 & HW_PRTY_ASSERT_SET_2,
3404 sig3 & HW_PRTY_ASSERT_SET_3);
3405 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3406 bp->dev->name);
3407 par_num = bnx2x_print_blocks_with_parity0(
3408 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3409 par_num = bnx2x_print_blocks_with_parity1(
3410 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3411 par_num = bnx2x_print_blocks_with_parity2(
3412 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3413 par_num = bnx2x_print_blocks_with_parity3(
3414 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3415 printk("\n");
3416 return true;
3417 } else
3418 return false;
3419}
3420
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003421bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003422{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003423 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003424 int port = BP_PORT(bp);
3425
3426 attn.sig[0] = REG_RD(bp,
3427 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3428 port*4);
3429 attn.sig[1] = REG_RD(bp,
3430 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3431 port*4);
3432 attn.sig[2] = REG_RD(bp,
3433 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3434 port*4);
3435 attn.sig[3] = REG_RD(bp,
3436 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3437 port*4);
3438
3439 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3440 attn.sig[3]);
3441}
3442
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003443
3444static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3445{
3446 u32 val;
3447 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3448
3449 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3450 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3451 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3452 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3453 "ADDRESS_ERROR\n");
3454 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3455 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3456 "INCORRECT_RCV_BEHAVIOR\n");
3457 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3458 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3459 "WAS_ERROR_ATTN\n");
3460 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3461 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3462 "VF_LENGTH_VIOLATION_ATTN\n");
3463 if (val &
3464 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3465 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3466 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3467 if (val &
3468 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3469 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3470 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3471 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3472 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3473 "TCPL_ERROR_ATTN\n");
3474 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3475 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3476 "TCPL_IN_TWO_RCBS_ATTN\n");
3477 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3478 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3479 "CSSNOOP_FIFO_OVERFLOW\n");
3480 }
3481 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3482 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3483 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3484 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3485 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3486 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3487 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3488 "_ATC_TCPL_TO_NOT_PEND\n");
3489 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3490 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3491 "ATC_GPA_MULTIPLE_HITS\n");
3492 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3493 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3494 "ATC_RCPL_TO_EMPTY_CNT\n");
3495 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3496 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3497 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3498 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3499 "ATC_IREQ_LESS_THAN_STU\n");
3500 }
3501
3502 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3503 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3504 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3505 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3506 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3507 }
3508
3509}
3510
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003511static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3512{
3513 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003514 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003515 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003516 u32 reg_addr;
3517 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003518 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003519
3520 /* need to take HW lock because MCP or other port might also
3521 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003522 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003523
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003524 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003525 bp->recovery_state = BNX2X_RECOVERY_INIT;
3526 bnx2x_set_reset_in_progress(bp);
3527 schedule_delayed_work(&bp->reset_task, 0);
3528 /* Disable HW interrupts */
3529 bnx2x_int_disable(bp);
3530 bnx2x_release_alr(bp);
3531 /* In case of parity errors don't handle attentions so that
3532 * other function would "see" parity errors.
3533 */
3534 return;
3535 }
3536
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003537 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3538 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3539 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3540 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003541 if (CHIP_IS_E2(bp))
3542 attn.sig[4] =
3543 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3544 else
3545 attn.sig[4] = 0;
3546
3547 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3548 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003549
3550 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3551 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003552 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003553
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003554 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3555 "%08x %08x %08x\n",
3556 index,
3557 group_mask->sig[0], group_mask->sig[1],
3558 group_mask->sig[2], group_mask->sig[3],
3559 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003560
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003561 bnx2x_attn_int_deasserted4(bp,
3562 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003563 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003564 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003565 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003566 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003567 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003568 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003569 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003570 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003571 }
3572 }
3573
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003574 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003575
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003576 if (bp->common.int_block == INT_BLOCK_HC)
3577 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3578 COMMAND_REG_ATTN_BITS_CLR);
3579 else
3580 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003581
3582 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003583 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3584 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003585 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003586
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003587 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003588 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003589
3590 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3591 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3592
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003593 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3594 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003595
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003596 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3597 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003598 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003599 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3600
3601 REG_WR(bp, reg_addr, aeu_mask);
3602 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003603
3604 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3605 bp->attn_state &= ~deasserted;
3606 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3607}
3608
3609static void bnx2x_attn_int(struct bnx2x *bp)
3610{
3611 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003612 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3613 attn_bits);
3614 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3615 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003616 u32 attn_state = bp->attn_state;
3617
3618 /* look for changed bits */
3619 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3620 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3621
3622 DP(NETIF_MSG_HW,
3623 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3624 attn_bits, attn_ack, asserted, deasserted);
3625
3626 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003627 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003628
3629 /* handle bits that were raised */
3630 if (asserted)
3631 bnx2x_attn_int_asserted(bp, asserted);
3632
3633 if (deasserted)
3634 bnx2x_attn_int_deasserted(bp, deasserted);
3635}
3636
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003637static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3638{
3639 /* No memory barriers */
3640 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3641 mmiowb(); /* keep prod updates ordered */
3642}
3643
3644#ifdef BCM_CNIC
3645static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3646 union event_ring_elem *elem)
3647{
3648 if (!bp->cnic_eth_dev.starting_cid ||
3649 cid < bp->cnic_eth_dev.starting_cid)
3650 return 1;
3651
3652 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3653
3654 if (unlikely(elem->message.data.cfc_del_event.error)) {
3655 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3656 cid);
3657 bnx2x_panic_dump(bp);
3658 }
3659 bnx2x_cnic_cfc_comp(bp, cid);
3660 return 0;
3661}
3662#endif
3663
3664static void bnx2x_eq_int(struct bnx2x *bp)
3665{
3666 u16 hw_cons, sw_cons, sw_prod;
3667 union event_ring_elem *elem;
3668 u32 cid;
3669 u8 opcode;
3670 int spqe_cnt = 0;
3671
3672 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3673
3674 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3675 * when we get the the next-page we nned to adjust so the loop
3676 * condition below will be met. The next element is the size of a
3677 * regular element and hence incrementing by 1
3678 */
3679 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3680 hw_cons++;
3681
3682 /* This function may never run in parralel with itself for a
3683 * specific bp, thus there is no need in "paired" read memory
3684 * barrier here.
3685 */
3686 sw_cons = bp->eq_cons;
3687 sw_prod = bp->eq_prod;
3688
3689 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->spq_left %u\n",
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003690 hw_cons, sw_cons, atomic_read(&bp->spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003691
3692 for (; sw_cons != hw_cons;
3693 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3694
3695
3696 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3697
3698 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3699 opcode = elem->message.opcode;
3700
3701
3702 /* handle eq element */
3703 switch (opcode) {
3704 case EVENT_RING_OPCODE_STAT_QUERY:
3705 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3706 /* nothing to do with stats comp */
3707 continue;
3708
3709 case EVENT_RING_OPCODE_CFC_DEL:
3710 /* handle according to cid range */
3711 /*
3712 * we may want to verify here that the bp state is
3713 * HALTING
3714 */
3715 DP(NETIF_MSG_IFDOWN,
3716 "got delete ramrod for MULTI[%d]\n", cid);
3717#ifdef BCM_CNIC
3718 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3719 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003720 if (cid == BNX2X_FCOE_ETH_CID)
3721 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3722 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003723#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003724 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003725 BNX2X_FP_STATE_CLOSED;
3726
3727 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003728
3729 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3730 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3731 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3732 goto next_spqe;
3733 case EVENT_RING_OPCODE_START_TRAFFIC:
3734 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3735 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3736 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003737 }
3738
3739 switch (opcode | bp->state) {
3740 case (EVENT_RING_OPCODE_FUNCTION_START |
3741 BNX2X_STATE_OPENING_WAIT4_PORT):
3742 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3743 bp->state = BNX2X_STATE_FUNC_STARTED;
3744 break;
3745
3746 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3747 BNX2X_STATE_CLOSING_WAIT4_HALT):
3748 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3749 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3750 break;
3751
3752 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3753 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3754 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
3755 bp->set_mac_pending = 0;
3756 break;
3757
3758 case (EVENT_RING_OPCODE_SET_MAC |
3759 BNX2X_STATE_CLOSING_WAIT4_HALT):
3760 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
3761 bp->set_mac_pending = 0;
3762 break;
3763 default:
3764 /* unknown event log error and continue */
3765 BNX2X_ERR("Unknown EQ event %d\n",
3766 elem->message.opcode);
3767 }
3768next_spqe:
3769 spqe_cnt++;
3770 } /* for */
3771
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003772 smp_mb__before_atomic_inc();
3773 atomic_add(spqe_cnt, &bp->spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003774
3775 bp->eq_cons = sw_cons;
3776 bp->eq_prod = sw_prod;
3777 /* Make sure that above mem writes were issued towards the memory */
3778 smp_wmb();
3779
3780 /* update producer */
3781 bnx2x_update_eq_prod(bp, bp->eq_prod);
3782}
3783
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003784static void bnx2x_sp_task(struct work_struct *work)
3785{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003786 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003787 u16 status;
3788
3789 /* Return here if interrupt is disabled */
3790 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003791 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003792 return;
3793 }
3794
3795 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003796/* if (status == 0) */
3797/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003798
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003799 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003800
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003801 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003802 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003803 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003804 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003805 }
3806
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003807 /* SP events: STAT_QUERY and others */
3808 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003809#ifdef BCM_CNIC
3810 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003811
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003812 if ((!NO_FCOE(bp)) &&
3813 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3814 napi_schedule(&bnx2x_fcoe(bp, napi));
3815#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003816 /* Handle EQ completions */
3817 bnx2x_eq_int(bp);
3818
3819 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3820 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3821
3822 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003823 }
3824
3825 if (unlikely(status))
3826 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3827 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003828
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003829 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3830 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003831}
3832
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003833irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003834{
3835 struct net_device *dev = dev_instance;
3836 struct bnx2x *bp = netdev_priv(dev);
3837
3838 /* Return here if interrupt is disabled */
3839 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003840 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003841 return IRQ_HANDLED;
3842 }
3843
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003844 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3845 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003846
3847#ifdef BNX2X_STOP_ON_ERROR
3848 if (unlikely(bp->panic))
3849 return IRQ_HANDLED;
3850#endif
3851
Michael Chan993ac7b2009-10-10 13:46:56 +00003852#ifdef BCM_CNIC
3853 {
3854 struct cnic_ops *c_ops;
3855
3856 rcu_read_lock();
3857 c_ops = rcu_dereference(bp->cnic_ops);
3858 if (c_ops)
3859 c_ops->cnic_handler(bp->cnic_data, NULL);
3860 rcu_read_unlock();
3861 }
3862#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003863 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003864
3865 return IRQ_HANDLED;
3866}
3867
3868/* end of slow path */
3869
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003870static void bnx2x_timer(unsigned long data)
3871{
3872 struct bnx2x *bp = (struct bnx2x *) data;
3873
3874 if (!netif_running(bp->dev))
3875 return;
3876
3877 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003878 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003879
3880 if (poll) {
3881 struct bnx2x_fastpath *fp = &bp->fp[0];
3882 int rc;
3883
Eilon Greenstein7961f792009-03-02 07:59:31 +00003884 bnx2x_tx_int(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003885 rc = bnx2x_rx_int(fp, 1000);
3886 }
3887
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003888 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003889 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003890 u32 drv_pulse;
3891 u32 mcp_pulse;
3892
3893 ++bp->fw_drv_pulse_wr_seq;
3894 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3895 /* TBD - add SYSTEM_TIME */
3896 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003897 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003898
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003899 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003900 MCP_PULSE_SEQ_MASK);
3901 /* The delta between driver pulse and mcp response
3902 * should be 1 (before mcp response) or 0 (after mcp response)
3903 */
3904 if ((drv_pulse != mcp_pulse) &&
3905 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3906 /* someone lost a heartbeat... */
3907 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3908 drv_pulse, mcp_pulse);
3909 }
3910 }
3911
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003912 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003913 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003914
Eliezer Tamirf1410642008-02-28 11:51:50 -08003915timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003916 mod_timer(&bp->timer, jiffies + bp->current_interval);
3917}
3918
3919/* end of Statistics */
3920
3921/* nic init */
3922
3923/*
3924 * nic init service functions
3925 */
3926
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003927static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003928{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003929 u32 i;
3930 if (!(len%4) && !(addr%4))
3931 for (i = 0; i < len; i += 4)
3932 REG_WR(bp, addr + i, fill);
3933 else
3934 for (i = 0; i < len; i++)
3935 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003936
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003937}
3938
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003939/* helper: writes FP SP data to FW - data_size in dwords */
3940static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3941 int fw_sb_id,
3942 u32 *sb_data_p,
3943 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003944{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003945 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003946 for (index = 0; index < data_size; index++)
3947 REG_WR(bp, BAR_CSTRORM_INTMEM +
3948 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3949 sizeof(u32)*index,
3950 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003951}
3952
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003953static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3954{
3955 u32 *sb_data_p;
3956 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003957 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003958 struct hc_status_block_data_e1x sb_data_e1x;
3959
3960 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003961 if (CHIP_IS_E2(bp)) {
3962 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3963 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3964 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3965 sb_data_e2.common.p_func.vf_valid = false;
3966 sb_data_p = (u32 *)&sb_data_e2;
3967 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3968 } else {
3969 memset(&sb_data_e1x, 0,
3970 sizeof(struct hc_status_block_data_e1x));
3971 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3972 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3973 sb_data_e1x.common.p_func.vf_valid = false;
3974 sb_data_p = (u32 *)&sb_data_e1x;
3975 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3976 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003977 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3978
3979 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3980 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3981 CSTORM_STATUS_BLOCK_SIZE);
3982 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3983 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3984 CSTORM_SYNC_BLOCK_SIZE);
3985}
3986
3987/* helper: writes SP SB data to FW */
3988static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3989 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003990{
3991 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003992 int i;
3993 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
3994 REG_WR(bp, BAR_CSTRORM_INTMEM +
3995 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
3996 i*sizeof(u32),
3997 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003998}
3999
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004000static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4001{
4002 int func = BP_FUNC(bp);
4003 struct hc_sp_status_block_data sp_sb_data;
4004 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4005
4006 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4007 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4008 sp_sb_data.p_func.vf_valid = false;
4009
4010 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4011
4012 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4013 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4014 CSTORM_SP_STATUS_BLOCK_SIZE);
4015 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4016 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4017 CSTORM_SP_SYNC_BLOCK_SIZE);
4018
4019}
4020
4021
4022static inline
4023void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4024 int igu_sb_id, int igu_seg_id)
4025{
4026 hc_sm->igu_sb_id = igu_sb_id;
4027 hc_sm->igu_seg_id = igu_seg_id;
4028 hc_sm->timer_value = 0xFF;
4029 hc_sm->time_to_expire = 0xFFFFFFFF;
4030}
4031
stephen hemminger8d962862010-10-21 07:50:56 +00004032static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004033 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4034{
4035 int igu_seg_id;
4036
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004037 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004038 struct hc_status_block_data_e1x sb_data_e1x;
4039 struct hc_status_block_sm *hc_sm_p;
4040 struct hc_index_data *hc_index_p;
4041 int data_size;
4042 u32 *sb_data_p;
4043
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004044 if (CHIP_INT_MODE_IS_BC(bp))
4045 igu_seg_id = HC_SEG_ACCESS_NORM;
4046 else
4047 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004048
4049 bnx2x_zero_fp_sb(bp, fw_sb_id);
4050
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004051 if (CHIP_IS_E2(bp)) {
4052 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4053 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4054 sb_data_e2.common.p_func.vf_id = vfid;
4055 sb_data_e2.common.p_func.vf_valid = vf_valid;
4056 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4057 sb_data_e2.common.same_igu_sb_1b = true;
4058 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4059 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4060 hc_sm_p = sb_data_e2.common.state_machine;
4061 hc_index_p = sb_data_e2.index_data;
4062 sb_data_p = (u32 *)&sb_data_e2;
4063 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4064 } else {
4065 memset(&sb_data_e1x, 0,
4066 sizeof(struct hc_status_block_data_e1x));
4067 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4068 sb_data_e1x.common.p_func.vf_id = 0xff;
4069 sb_data_e1x.common.p_func.vf_valid = false;
4070 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4071 sb_data_e1x.common.same_igu_sb_1b = true;
4072 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4073 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4074 hc_sm_p = sb_data_e1x.common.state_machine;
4075 hc_index_p = sb_data_e1x.index_data;
4076 sb_data_p = (u32 *)&sb_data_e1x;
4077 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4078 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004079
4080 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4081 igu_sb_id, igu_seg_id);
4082 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4083 igu_sb_id, igu_seg_id);
4084
4085 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4086
4087 /* write indecies to HW */
4088 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4089}
4090
4091static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4092 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004093{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004094 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004095 u8 ticks = usec / BNX2X_BTR;
4096
4097 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4098
4099 disable = disable ? 1 : (usec ? 0 : 1);
4100 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4101}
4102
4103static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4104 u16 tx_usec, u16 rx_usec)
4105{
4106 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4107 false, rx_usec);
4108 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4109 false, tx_usec);
4110}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004111
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004112static void bnx2x_init_def_sb(struct bnx2x *bp)
4113{
4114 struct host_sp_status_block *def_sb = bp->def_status_blk;
4115 dma_addr_t mapping = bp->def_status_blk_mapping;
4116 int igu_sp_sb_index;
4117 int igu_seg_id;
4118 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004119 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004120 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004121 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004122 int index;
4123 struct hc_sp_status_block_data sp_sb_data;
4124 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4125
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004126 if (CHIP_INT_MODE_IS_BC(bp)) {
4127 igu_sp_sb_index = DEF_SB_IGU_ID;
4128 igu_seg_id = HC_SEG_ACCESS_DEF;
4129 } else {
4130 igu_sp_sb_index = bp->igu_dsb_id;
4131 igu_seg_id = IGU_SEG_ACCESS_DEF;
4132 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004133
4134 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004135 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004136 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004137 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004138
Eliezer Tamir49d66772008-02-28 11:53:13 -08004139 bp->attn_state = 0;
4140
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004141 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4142 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004143 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004144 int sindex;
4145 /* take care of sig[0]..sig[4] */
4146 for (sindex = 0; sindex < 4; sindex++)
4147 bp->attn_group[index].sig[sindex] =
4148 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004149
4150 if (CHIP_IS_E2(bp))
4151 /*
4152 * enable5 is separate from the rest of the registers,
4153 * and therefore the address skip is 4
4154 * and not 16 between the different groups
4155 */
4156 bp->attn_group[index].sig[4] = REG_RD(bp,
4157 reg_offset + 0x10 + 0x4*index);
4158 else
4159 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004160 }
4161
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004162 if (bp->common.int_block == INT_BLOCK_HC) {
4163 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4164 HC_REG_ATTN_MSG0_ADDR_L);
4165
4166 REG_WR(bp, reg_offset, U64_LO(section));
4167 REG_WR(bp, reg_offset + 4, U64_HI(section));
4168 } else if (CHIP_IS_E2(bp)) {
4169 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4170 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4171 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004172
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004173 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4174 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004175
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004176 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004177
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004178 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4179 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4180 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4181 sp_sb_data.igu_seg_id = igu_seg_id;
4182 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004183 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004184 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004185
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004186 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004187
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004188 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004189 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004190
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004191 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004192}
4193
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004194void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004195{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004196 int i;
4197
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004198 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004199 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
4200 bp->rx_ticks, bp->tx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004201}
4202
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004203static void bnx2x_init_sp_ring(struct bnx2x *bp)
4204{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004205 spin_lock_init(&bp->spq_lock);
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004206 atomic_set(&bp->spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004207
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004208 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004209 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4210 bp->spq_prod_bd = bp->spq;
4211 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004212}
4213
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004214static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004215{
4216 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004217 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4218 union event_ring_elem *elem =
4219 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004220
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004221 elem->next_page.addr.hi =
4222 cpu_to_le32(U64_HI(bp->eq_mapping +
4223 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4224 elem->next_page.addr.lo =
4225 cpu_to_le32(U64_LO(bp->eq_mapping +
4226 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004227 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004228 bp->eq_cons = 0;
4229 bp->eq_prod = NUM_EQ_DESC;
4230 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004231}
4232
4233static void bnx2x_init_ind_table(struct bnx2x *bp)
4234{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004235 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004236 int i;
4237
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004238 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004239 return;
4240
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004241 DP(NETIF_MSG_IFUP,
4242 "Initializing indirection table multi_mode %d\n", bp->multi_mode);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004243 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004244 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004245 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004246 bp->fp->cl_id + (i % (bp->num_queues -
4247 NONE_ETH_CONTEXT_USE)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004248}
4249
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004250void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004251{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004252 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004253 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004254 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004255 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004256
Eilon Greenstein581ce432009-07-29 00:20:04 +00004257 /* All but management unicast packets should pass to the host as well */
4258 u32 llh_mask =
4259 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4260 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4261 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4262 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004263
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004264 switch (mode) {
4265 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004266 def_q_filters = BNX2X_ACCEPT_NONE;
4267#ifdef BCM_CNIC
4268 if (!NO_FCOE(bp)) {
4269 cl_id = bnx2x_fcoe(bp, cl_id);
4270 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4271 }
4272#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004273 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004274
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004275 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004276 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4277 BNX2X_ACCEPT_MULTICAST;
4278#ifdef BCM_CNIC
4279 cl_id = bnx2x_fcoe(bp, cl_id);
4280 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4281 BNX2X_ACCEPT_MULTICAST);
4282#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004283 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004284
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004285 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004286 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4287 BNX2X_ACCEPT_ALL_MULTICAST;
4288#ifdef BCM_CNIC
4289 cl_id = bnx2x_fcoe(bp, cl_id);
4290 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4291 BNX2X_ACCEPT_MULTICAST);
4292#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004293 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004294
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004295 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004296 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4297#ifdef BCM_CNIC
4298 cl_id = bnx2x_fcoe(bp, cl_id);
4299 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4300 BNX2X_ACCEPT_MULTICAST);
4301#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004302 /* pass management unicast packets as well */
4303 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004304 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004305
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004306 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004307 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4308 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004309 }
4310
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004311 cl_id = BP_L_ID(bp);
4312 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4313
Eilon Greenstein581ce432009-07-29 00:20:04 +00004314 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004315 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4316 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004317
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004318 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4319 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004320 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4321 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004322 bp->mac_filters.ucast_drop_all,
4323 bp->mac_filters.mcast_drop_all,
4324 bp->mac_filters.bcast_drop_all,
4325 bp->mac_filters.ucast_accept_all,
4326 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004327 bp->mac_filters.bcast_accept_all,
4328 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004329 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004330
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004331 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004332}
4333
Eilon Greenstein471de712008-08-13 15:49:35 -07004334static void bnx2x_init_internal_common(struct bnx2x *bp)
4335{
4336 int i;
4337
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004338 if (!CHIP_IS_E1(bp)) {
4339
4340 /* xstorm needs to know whether to add ovlan to packets or not,
4341 * in switch-independent we'll write 0 to here... */
4342 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004343 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004344 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004345 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004346 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004347 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004348 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004349 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004350 }
4351
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004352 if (IS_MF_SI(bp))
4353 /*
4354 * In switch independent mode, the TSTORM needs to accept
4355 * packets that failed classification, since approximate match
4356 * mac addresses aren't written to NIG LLH
4357 */
4358 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4359 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4360
Eilon Greenstein471de712008-08-13 15:49:35 -07004361 /* Zero this manually as its initialization is
4362 currently missing in the initTool */
4363 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4364 REG_WR(bp, BAR_USTRORM_INTMEM +
4365 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004366 if (CHIP_IS_E2(bp)) {
4367 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4368 CHIP_INT_MODE_IS_BC(bp) ?
4369 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4370 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004371}
4372
4373static void bnx2x_init_internal_port(struct bnx2x *bp)
4374{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004375 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004376 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004377}
4378
Eilon Greenstein471de712008-08-13 15:49:35 -07004379static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4380{
4381 switch (load_code) {
4382 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004383 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004384 bnx2x_init_internal_common(bp);
4385 /* no break */
4386
4387 case FW_MSG_CODE_DRV_LOAD_PORT:
4388 bnx2x_init_internal_port(bp);
4389 /* no break */
4390
4391 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004392 /* internal memory per function is
4393 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004394 break;
4395
4396 default:
4397 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4398 break;
4399 }
4400}
4401
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004402static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4403{
4404 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4405
4406 fp->state = BNX2X_FP_STATE_CLOSED;
4407
4408 fp->index = fp->cid = fp_idx;
4409 fp->cl_id = BP_L_ID(bp) + fp_idx;
4410 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4411 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4412 /* qZone id equals to FW (per path) client id */
4413 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004414 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4415 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004416 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004417 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4418 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004419 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4420 /* Setup SB indicies */
4421 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4422 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4423
4424 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4425 "cl_id %d fw_sb %d igu_sb %d\n",
4426 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4427 fp->igu_sb_id);
4428 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4429 fp->fw_sb_id, fp->igu_sb_id);
4430
4431 bnx2x_update_fpsb_idx(fp);
4432}
4433
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004434void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004435{
4436 int i;
4437
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004438 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004439 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004440#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004441 if (!NO_FCOE(bp))
4442 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004443
4444 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4445 BNX2X_VF_ID_INVALID, false,
4446 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4447
Michael Chan37b091b2009-10-10 13:46:55 +00004448#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004449
Eilon Greenstein16119782009-03-02 07:59:27 +00004450 /* ensure status block indices were read */
4451 rmb();
4452
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004453 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004454 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004455 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004456 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004457 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004458 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004459 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004460 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004461 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004462 bnx2x_stats_init(bp);
4463
4464 /* At this point, we are ready for interrupts */
4465 atomic_set(&bp->intr_sem, 0);
4466
4467 /* flush all before enabling interrupts */
4468 mb();
4469 mmiowb();
4470
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004471 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004472
4473 /* Check for SPIO5 */
4474 bnx2x_attn_int_deasserted0(bp,
4475 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4476 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004477}
4478
4479/* end of nic init */
4480
4481/*
4482 * gzip service functions
4483 */
4484
4485static int bnx2x_gunzip_init(struct bnx2x *bp)
4486{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004487 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4488 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004489 if (bp->gunzip_buf == NULL)
4490 goto gunzip_nomem1;
4491
4492 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4493 if (bp->strm == NULL)
4494 goto gunzip_nomem2;
4495
4496 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4497 GFP_KERNEL);
4498 if (bp->strm->workspace == NULL)
4499 goto gunzip_nomem3;
4500
4501 return 0;
4502
4503gunzip_nomem3:
4504 kfree(bp->strm);
4505 bp->strm = NULL;
4506
4507gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004508 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4509 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004510 bp->gunzip_buf = NULL;
4511
4512gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004513 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4514 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004515 return -ENOMEM;
4516}
4517
4518static void bnx2x_gunzip_end(struct bnx2x *bp)
4519{
4520 kfree(bp->strm->workspace);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004521 kfree(bp->strm);
4522 bp->strm = NULL;
4523
4524 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004525 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4526 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004527 bp->gunzip_buf = NULL;
4528 }
4529}
4530
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004531static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004532{
4533 int n, rc;
4534
4535 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004536 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4537 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004538 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004539 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004540
4541 n = 10;
4542
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004543#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004544
4545 if (zbuf[3] & FNAME)
4546 while ((zbuf[n++] != 0) && (n < len));
4547
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004548 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004549 bp->strm->avail_in = len - n;
4550 bp->strm->next_out = bp->gunzip_buf;
4551 bp->strm->avail_out = FW_BUF_SIZE;
4552
4553 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4554 if (rc != Z_OK)
4555 return rc;
4556
4557 rc = zlib_inflate(bp->strm, Z_FINISH);
4558 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004559 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4560 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004561
4562 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4563 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004564 netdev_err(bp->dev, "Firmware decompression error:"
4565 " gunzip_outlen (%d) not aligned\n",
4566 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004567 bp->gunzip_outlen >>= 2;
4568
4569 zlib_inflateEnd(bp->strm);
4570
4571 if (rc == Z_STREAM_END)
4572 return 0;
4573
4574 return rc;
4575}
4576
4577/* nic load/unload */
4578
4579/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004580 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004581 */
4582
4583/* send a NIG loopback debug packet */
4584static void bnx2x_lb_pckt(struct bnx2x *bp)
4585{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004586 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004587
4588 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004589 wb_write[0] = 0x55555555;
4590 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004591 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004592 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004593
4594 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004595 wb_write[0] = 0x09000000;
4596 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004597 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004598 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004599}
4600
4601/* some of the internal memories
4602 * are not directly readable from the driver
4603 * to test them we send debug packets
4604 */
4605static int bnx2x_int_mem_test(struct bnx2x *bp)
4606{
4607 int factor;
4608 int count, i;
4609 u32 val = 0;
4610
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004611 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004612 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004613 else if (CHIP_REV_IS_EMUL(bp))
4614 factor = 200;
4615 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004616 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004617
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004618 /* Disable inputs of parser neighbor blocks */
4619 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4620 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4621 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004622 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004623
4624 /* Write 0 to parser credits for CFC search request */
4625 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4626
4627 /* send Ethernet packet */
4628 bnx2x_lb_pckt(bp);
4629
4630 /* TODO do i reset NIG statistic? */
4631 /* Wait until NIG register shows 1 packet of size 0x10 */
4632 count = 1000 * factor;
4633 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004634
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004635 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4636 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004637 if (val == 0x10)
4638 break;
4639
4640 msleep(10);
4641 count--;
4642 }
4643 if (val != 0x10) {
4644 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4645 return -1;
4646 }
4647
4648 /* Wait until PRS register shows 1 packet */
4649 count = 1000 * factor;
4650 while (count) {
4651 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004652 if (val == 1)
4653 break;
4654
4655 msleep(10);
4656 count--;
4657 }
4658 if (val != 0x1) {
4659 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4660 return -2;
4661 }
4662
4663 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004664 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004665 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004666 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004667 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004668 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4669 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004670
4671 DP(NETIF_MSG_HW, "part2\n");
4672
4673 /* Disable inputs of parser neighbor blocks */
4674 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4675 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4676 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004677 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004678
4679 /* Write 0 to parser credits for CFC search request */
4680 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4681
4682 /* send 10 Ethernet packets */
4683 for (i = 0; i < 10; i++)
4684 bnx2x_lb_pckt(bp);
4685
4686 /* Wait until NIG register shows 10 + 1
4687 packets of size 11*0x10 = 0xb0 */
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 == 0xb0)
4694 break;
4695
4696 msleep(10);
4697 count--;
4698 }
4699 if (val != 0xb0) {
4700 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4701 return -3;
4702 }
4703
4704 /* Wait until PRS register shows 2 packets */
4705 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4706 if (val != 2)
4707 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4708
4709 /* Write 1 to parser credits for CFC search request */
4710 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4711
4712 /* Wait until PRS register shows 3 packets */
4713 msleep(10 * factor);
4714 /* Wait until NIG register shows 1 packet of size 0x10 */
4715 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4716 if (val != 3)
4717 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4718
4719 /* clear NIG EOP FIFO */
4720 for (i = 0; i < 11; i++)
4721 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4722 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4723 if (val != 1) {
4724 BNX2X_ERR("clear of NIG failed\n");
4725 return -4;
4726 }
4727
4728 /* Reset and init BRB, PRS, NIG */
4729 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4730 msleep(50);
4731 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4732 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004733 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4734 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004735#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004736 /* set NIC mode */
4737 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4738#endif
4739
4740 /* Enable inputs of parser neighbor blocks */
4741 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4742 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4743 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004744 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004745
4746 DP(NETIF_MSG_HW, "done\n");
4747
4748 return 0; /* OK */
4749}
4750
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004751static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004752{
4753 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004754 if (CHIP_IS_E2(bp))
4755 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4756 else
4757 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004758 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4759 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004760 /*
4761 * mask read length error interrupts in brb for parser
4762 * (parsing unit and 'checksum and crc' unit)
4763 * these errors are legal (PU reads fixed length and CAC can cause
4764 * read length error on truncated packets)
4765 */
4766 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004767 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4768 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4769 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4770 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4771 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004772/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4773/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004774 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4775 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4776 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004777/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4778/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004779 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4780 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4781 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4782 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004783/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4784/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004785
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004786 if (CHIP_REV_IS_FPGA(bp))
4787 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004788 else if (CHIP_IS_E2(bp))
4789 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4790 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4791 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4792 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4793 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4794 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004795 else
4796 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004797 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4798 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4799 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004800/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4801/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004802 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4803 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004804/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004805 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004806}
4807
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004808static void bnx2x_reset_common(struct bnx2x *bp)
4809{
4810 /* reset_common */
4811 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4812 0xd3ffff7f);
4813 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4814}
4815
Eilon Greenstein573f2032009-08-12 08:24:14 +00004816static void bnx2x_init_pxp(struct bnx2x *bp)
4817{
4818 u16 devctl;
4819 int r_order, w_order;
4820
4821 pci_read_config_word(bp->pdev,
4822 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4823 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4824 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4825 if (bp->mrrs == -1)
4826 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4827 else {
4828 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4829 r_order = bp->mrrs;
4830 }
4831
4832 bnx2x_init_pxp_arb(bp, r_order, w_order);
4833}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004834
4835static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4836{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004837 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004838 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004839 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004840
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004841 if (BP_NOMCP(bp))
4842 return;
4843
4844 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004845 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4846 SHARED_HW_CFG_FAN_FAILURE_MASK;
4847
4848 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4849 is_required = 1;
4850
4851 /*
4852 * The fan failure mechanism is usually related to the PHY type since
4853 * the power consumption of the board is affected by the PHY. Currently,
4854 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4855 */
4856 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4857 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004858 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004859 bnx2x_fan_failure_det_req(
4860 bp,
4861 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004862 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004863 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004864 }
4865
4866 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4867
4868 if (is_required == 0)
4869 return;
4870
4871 /* Fan failure is indicated by SPIO 5 */
4872 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4873 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4874
4875 /* set to active low mode */
4876 val = REG_RD(bp, MISC_REG_SPIO_INT);
4877 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004878 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004879 REG_WR(bp, MISC_REG_SPIO_INT, val);
4880
4881 /* enable interrupt to signal the IGU */
4882 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4883 val |= (1 << MISC_REGISTERS_SPIO_5);
4884 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4885}
4886
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004887static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4888{
4889 u32 offset = 0;
4890
4891 if (CHIP_IS_E1(bp))
4892 return;
4893 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4894 return;
4895
4896 switch (BP_ABS_FUNC(bp)) {
4897 case 0:
4898 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4899 break;
4900 case 1:
4901 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4902 break;
4903 case 2:
4904 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4905 break;
4906 case 3:
4907 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4908 break;
4909 case 4:
4910 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4911 break;
4912 case 5:
4913 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4914 break;
4915 case 6:
4916 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4917 break;
4918 case 7:
4919 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4920 break;
4921 default:
4922 return;
4923 }
4924
4925 REG_WR(bp, offset, pretend_func_num);
4926 REG_RD(bp, offset);
4927 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4928}
4929
4930static void bnx2x_pf_disable(struct bnx2x *bp)
4931{
4932 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4933 val &= ~IGU_PF_CONF_FUNC_EN;
4934
4935 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4936 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4937 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4938}
4939
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004940static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004941{
4942 u32 val, i;
4943
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004944 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004945
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004946 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004947 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4948 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4949
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004950 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004951 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004952 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004953
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004954 if (CHIP_IS_E2(bp)) {
4955 u8 fid;
4956
4957 /**
4958 * 4-port mode or 2-port mode we need to turn of master-enable
4959 * for everyone, after that, turn it back on for self.
4960 * so, we disregard multi-function or not, and always disable
4961 * for all functions on the given path, this means 0,2,4,6 for
4962 * path 0 and 1,3,5,7 for path 1
4963 */
4964 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
4965 if (fid == BP_ABS_FUNC(bp)) {
4966 REG_WR(bp,
4967 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
4968 1);
4969 continue;
4970 }
4971
4972 bnx2x_pretend_func(bp, fid);
4973 /* clear pf enable */
4974 bnx2x_pf_disable(bp);
4975 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
4976 }
4977 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004978
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004979 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004980 if (CHIP_IS_E1(bp)) {
4981 /* enable HW interrupt from PXP on USDM overflow
4982 bit 16 on INT_MASK_0 */
4983 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004984 }
4985
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004986 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004987 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004988
4989#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004990 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
4991 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
4992 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
4993 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
4994 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00004995 /* make sure this value is 0 */
4996 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004997
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004998/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
4999 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5000 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5001 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5002 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005003#endif
5004
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005005 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5006
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005007 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5008 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005009
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005010 /* let the HW do it's magic ... */
5011 msleep(100);
5012 /* finish PXP init */
5013 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5014 if (val != 1) {
5015 BNX2X_ERR("PXP2 CFG failed\n");
5016 return -EBUSY;
5017 }
5018 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5019 if (val != 1) {
5020 BNX2X_ERR("PXP2 RD_INIT failed\n");
5021 return -EBUSY;
5022 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005023
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005024 /* Timers bug workaround E2 only. We need to set the entire ILT to
5025 * have entries with value "0" and valid bit on.
5026 * This needs to be done by the first PF that is loaded in a path
5027 * (i.e. common phase)
5028 */
5029 if (CHIP_IS_E2(bp)) {
5030 struct ilt_client_info ilt_cli;
5031 struct bnx2x_ilt ilt;
5032 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5033 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5034
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005035 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005036 ilt_cli.start = 0;
5037 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5038 ilt_cli.client_num = ILT_CLIENT_TM;
5039
5040 /* Step 1: set zeroes to all ilt page entries with valid bit on
5041 * Step 2: set the timers first/last ilt entry to point
5042 * to the entire range to prevent ILT range error for 3rd/4th
5043 * vnic (this code assumes existance of the vnic)
5044 *
5045 * both steps performed by call to bnx2x_ilt_client_init_op()
5046 * with dummy TM client
5047 *
5048 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5049 * and his brother are split registers
5050 */
5051 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5052 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5053 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5054
5055 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5056 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5057 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5058 }
5059
5060
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005061 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5062 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005063
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005064 if (CHIP_IS_E2(bp)) {
5065 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5066 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5067 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5068
5069 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5070
5071 /* let the HW do it's magic ... */
5072 do {
5073 msleep(200);
5074 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5075 } while (factor-- && (val != 1));
5076
5077 if (val != 1) {
5078 BNX2X_ERR("ATC_INIT failed\n");
5079 return -EBUSY;
5080 }
5081 }
5082
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005083 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005084
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005085 /* clean the DMAE memory */
5086 bp->dmae_ready = 1;
5087 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005088
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005089 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5090 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5091 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5092 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005093
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005094 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5095 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5096 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5097 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5098
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005099 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005100
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005101 if (CHIP_MODE_IS_4_PORT(bp))
5102 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005103
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005104 /* QM queues pointers table */
5105 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005106
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005107 /* soft reset pulse */
5108 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5109 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005110
Michael Chan37b091b2009-10-10 13:46:55 +00005111#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005112 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005113#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005114
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005115 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005116 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5117
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005118 if (!CHIP_REV_IS_SLOW(bp)) {
5119 /* enable hw interrupt from doorbell Q */
5120 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5121 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005122
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005123 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005124 if (CHIP_MODE_IS_4_PORT(bp)) {
5125 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5126 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5127 }
5128
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005129 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005130 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005131#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005132 /* set NIC mode */
5133 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005134#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005135 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005136 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005137
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005138 if (CHIP_IS_E2(bp)) {
5139 /* Bit-map indicating which L2 hdrs may appear after the
5140 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005141 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005142 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5143 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5144 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005145
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005146 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5147 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5148 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5149 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005150
Eilon Greensteinca003922009-08-12 22:53:28 -07005151 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5152 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5153 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5154 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005155
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005156 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5157 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5158 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5159 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005160
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005161 if (CHIP_MODE_IS_4_PORT(bp))
5162 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5163
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005164 /* sync semi rtc */
5165 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5166 0x80000000);
5167 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5168 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005169
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005170 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5171 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5172 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005173
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005174 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005175 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005176 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5177 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5178 }
5179
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005180 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005181 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5182 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005183
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005184 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005185#ifdef BCM_CNIC
5186 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5187 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5188 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5189 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5190 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5191 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5192 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5193 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5194 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5195 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5196#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005197 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005198
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005199 if (sizeof(union cdu_context) != 1024)
5200 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005201 dev_alert(&bp->pdev->dev, "please adjust the size "
5202 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005203 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005204
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005205 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005206 val = (4 << 24) + (0 << 12) + 1024;
5207 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005208
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005209 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005210 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005211 /* enable context validation interrupt from CFC */
5212 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5213
5214 /* set the thresholds to prevent CFC/CDU race */
5215 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005216
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005217 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005218
5219 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5220 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5221
5222 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005223 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005224
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005225 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005226 /* Reset PCIE errors for debug */
5227 REG_WR(bp, 0x2814, 0xffffffff);
5228 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005229
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005230 if (CHIP_IS_E2(bp)) {
5231 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5232 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5233 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5234 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5235 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5236 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5237 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5238 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5239 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5240 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5241 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5242 }
5243
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005244 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005245 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005246 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005247 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005248
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005249 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005250 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005251 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005252 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005253 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005254 if (CHIP_IS_E2(bp)) {
5255 /* Bit-map indicating which L2 hdrs may appear after the
5256 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005257 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005258 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005259
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005260 if (CHIP_REV_IS_SLOW(bp))
5261 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005262
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005263 /* finish CFC init */
5264 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5265 if (val != 1) {
5266 BNX2X_ERR("CFC LL_INIT failed\n");
5267 return -EBUSY;
5268 }
5269 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5270 if (val != 1) {
5271 BNX2X_ERR("CFC AC_INIT failed\n");
5272 return -EBUSY;
5273 }
5274 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5275 if (val != 1) {
5276 BNX2X_ERR("CFC CAM_INIT failed\n");
5277 return -EBUSY;
5278 }
5279 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005280
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005281 if (CHIP_IS_E1(bp)) {
5282 /* read NIG statistic
5283 to see if this is our first up since powerup */
5284 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5285 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005286
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005287 /* do internal memory self test */
5288 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5289 BNX2X_ERR("internal mem self test failed\n");
5290 return -EBUSY;
5291 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005292 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005293
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005294 bnx2x_setup_fan_failure_detection(bp);
5295
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005296 /* clear PXP2 attentions */
5297 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005298
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005299 bnx2x_enable_blocks_attention(bp);
5300 if (CHIP_PARITY_ENABLED(bp))
5301 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005302
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005303 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005304 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5305 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5306 CHIP_IS_E1x(bp)) {
5307 u32 shmem_base[2], shmem2_base[2];
5308 shmem_base[0] = bp->common.shmem_base;
5309 shmem2_base[0] = bp->common.shmem2_base;
5310 if (CHIP_IS_E2(bp)) {
5311 shmem_base[1] =
5312 SHMEM2_RD(bp, other_shmem_base_addr);
5313 shmem2_base[1] =
5314 SHMEM2_RD(bp, other_shmem2_base_addr);
5315 }
5316 bnx2x_acquire_phy_lock(bp);
5317 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5318 bp->common.chip_id);
5319 bnx2x_release_phy_lock(bp);
5320 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005321 } else
5322 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5323
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005324 return 0;
5325}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005326
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005327static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005328{
5329 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005330 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005331 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005332 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005333
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005334 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005335
5336 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005337
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005338 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005339 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005340
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005341 /* Timers bug workaround: disables the pf_master bit in pglue at
5342 * common phase, we need to enable it here before any dmae access are
5343 * attempted. Therefore we manually added the enable-master to the
5344 * port phase (it also happens in the function phase)
5345 */
5346 if (CHIP_IS_E2(bp))
5347 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5348
Eilon Greensteinca003922009-08-12 22:53:28 -07005349 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5350 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5351 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005352 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005353
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005354 /* QM cid (connection) count */
5355 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005356
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005357#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005358 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005359 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5360 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005361#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005362
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005363 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005364
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005365 if (CHIP_MODE_IS_4_PORT(bp))
5366 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005367
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005368 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5369 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5370 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5371 /* no pause for emulation and FPGA */
5372 low = 0;
5373 high = 513;
5374 } else {
5375 if (IS_MF(bp))
5376 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5377 else if (bp->dev->mtu > 4096) {
5378 if (bp->flags & ONE_PORT_FLAG)
5379 low = 160;
5380 else {
5381 val = bp->dev->mtu;
5382 /* (24*1024 + val*4)/256 */
5383 low = 96 + (val/64) +
5384 ((val % 64) ? 1 : 0);
5385 }
5386 } else
5387 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5388 high = low + 56; /* 14*1024/256 */
5389 }
5390 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5391 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5392 }
5393
5394 if (CHIP_MODE_IS_4_PORT(bp)) {
5395 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5396 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5397 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5398 BRB1_REG_MAC_GUARANTIED_0), 40);
5399 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005400
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005401 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005402
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005403 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005404 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005405 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005406 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005407
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005408 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5409 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5410 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5411 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005412 if (CHIP_MODE_IS_4_PORT(bp))
5413 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005414
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005415 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005416 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005417
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005418 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005419
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005420 if (!CHIP_IS_E2(bp)) {
5421 /* configure PBF to work without PAUSE mtu 9000 */
5422 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005424 /* update threshold */
5425 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5426 /* update init credit */
5427 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005428
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005429 /* probe changes */
5430 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5431 udelay(50);
5432 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5433 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005434
Michael Chan37b091b2009-10-10 13:46:55 +00005435#ifdef BCM_CNIC
5436 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005437#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005438 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005439 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005440
5441 if (CHIP_IS_E1(bp)) {
5442 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5443 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5444 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005445 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005446
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005447 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5448
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005449 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005450 /* init aeu_mask_attn_func_0/1:
5451 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5452 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5453 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005454 val = IS_MF(bp) ? 0xF7 : 0x7;
5455 /* Enable DCBX attention for all but E1 */
5456 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5457 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005458
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005459 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005460 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005461 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005462 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005463 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005464
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005465 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005466
5467 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5468
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005469 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005470 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005471 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005472 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005473
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005474 if (CHIP_IS_E2(bp)) {
5475 val = 0;
5476 switch (bp->mf_mode) {
5477 case MULTI_FUNCTION_SD:
5478 val = 1;
5479 break;
5480 case MULTI_FUNCTION_SI:
5481 val = 2;
5482 break;
5483 }
5484
5485 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5486 NIG_REG_LLH0_CLS_TYPE), val);
5487 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005488 {
5489 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5490 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5491 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5492 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005493 }
5494
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005495 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005496 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005497 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005498 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005499 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5500 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5501 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005502 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005503 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005504 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005505 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005506
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005507 return 0;
5508}
5509
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005510static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5511{
5512 int reg;
5513
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005514 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005515 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005516 else
5517 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005518
5519 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5520}
5521
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005522static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5523{
5524 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5525}
5526
5527static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5528{
5529 u32 i, base = FUNC_ILT_BASE(func);
5530 for (i = base; i < base + ILT_PER_FUNC; i++)
5531 bnx2x_ilt_wr(bp, i, 0);
5532}
5533
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005534static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005535{
5536 int port = BP_PORT(bp);
5537 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005538 struct bnx2x_ilt *ilt = BP_ILT(bp);
5539 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005540 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005541 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5542 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005543
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005544 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005545
Eilon Greenstein8badd272009-02-12 08:36:15 +00005546 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005547 if (bp->common.int_block == INT_BLOCK_HC) {
5548 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5549 val = REG_RD(bp, addr);
5550 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5551 REG_WR(bp, addr, val);
5552 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005553
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005554 ilt = BP_ILT(bp);
5555 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005556
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005557 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5558 ilt->lines[cdu_ilt_start + i].page =
5559 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5560 ilt->lines[cdu_ilt_start + i].page_mapping =
5561 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5562 /* cdu ilt pages are allocated manually so there's no need to
5563 set the size */
5564 }
5565 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005566
Michael Chan37b091b2009-10-10 13:46:55 +00005567#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005568 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005569
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005570 /* T1 hash bits value determines the T1 number of entries */
5571 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005572#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005573
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005574#ifndef BCM_CNIC
5575 /* set NIC mode */
5576 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5577#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005578
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005579 if (CHIP_IS_E2(bp)) {
5580 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5581
5582 /* Turn on a single ISR mode in IGU if driver is going to use
5583 * INT#x or MSI
5584 */
5585 if (!(bp->flags & USING_MSIX_FLAG))
5586 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5587 /*
5588 * Timers workaround bug: function init part.
5589 * Need to wait 20msec after initializing ILT,
5590 * needed to make sure there are no requests in
5591 * one of the PXP internal queues with "old" ILT addresses
5592 */
5593 msleep(20);
5594 /*
5595 * Master enable - Due to WB DMAE writes performed before this
5596 * register is re-initialized as part of the regular function
5597 * init
5598 */
5599 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5600 /* Enable the function in IGU */
5601 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5602 }
5603
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005604 bp->dmae_ready = 1;
5605
5606 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5607
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005608 if (CHIP_IS_E2(bp))
5609 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5610
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005611 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5612 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5613 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5614 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5615 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5616 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5617 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5618 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5619 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5620
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005621 if (CHIP_IS_E2(bp)) {
5622 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5623 BP_PATH(bp));
5624 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5625 BP_PATH(bp));
5626 }
5627
5628 if (CHIP_MODE_IS_4_PORT(bp))
5629 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5630
5631 if (CHIP_IS_E2(bp))
5632 REG_WR(bp, QM_REG_PF_EN, 1);
5633
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005634 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005635
5636 if (CHIP_MODE_IS_4_PORT(bp))
5637 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5638
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005639 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5640 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5641 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5642 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5643 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5644 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5645 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5646 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5647 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5648 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5649 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005650 if (CHIP_IS_E2(bp))
5651 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5652
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005653 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5654
5655 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5656
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005657 if (CHIP_IS_E2(bp))
5658 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5659
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005660 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005661 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005662 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005663 }
5664
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005665 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5666
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005667 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005668 if (bp->common.int_block == INT_BLOCK_HC) {
5669 if (CHIP_IS_E1H(bp)) {
5670 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5671
5672 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5673 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5674 }
5675 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5676
5677 } else {
5678 int num_segs, sb_idx, prod_offset;
5679
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005680 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5681
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005682 if (CHIP_IS_E2(bp)) {
5683 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5684 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5685 }
5686
5687 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5688
5689 if (CHIP_IS_E2(bp)) {
5690 int dsb_idx = 0;
5691 /**
5692 * Producer memory:
5693 * E2 mode: address 0-135 match to the mapping memory;
5694 * 136 - PF0 default prod; 137 - PF1 default prod;
5695 * 138 - PF2 default prod; 139 - PF3 default prod;
5696 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5697 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5698 * 144-147 reserved.
5699 *
5700 * E1.5 mode - In backward compatible mode;
5701 * for non default SB; each even line in the memory
5702 * holds the U producer and each odd line hold
5703 * the C producer. The first 128 producers are for
5704 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5705 * producers are for the DSB for each PF.
5706 * Each PF has five segments: (the order inside each
5707 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5708 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5709 * 144-147 attn prods;
5710 */
5711 /* non-default-status-blocks */
5712 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5713 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5714 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5715 prod_offset = (bp->igu_base_sb + sb_idx) *
5716 num_segs;
5717
5718 for (i = 0; i < num_segs; i++) {
5719 addr = IGU_REG_PROD_CONS_MEMORY +
5720 (prod_offset + i) * 4;
5721 REG_WR(bp, addr, 0);
5722 }
5723 /* send consumer update with value 0 */
5724 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5725 USTORM_ID, 0, IGU_INT_NOP, 1);
5726 bnx2x_igu_clear_sb(bp,
5727 bp->igu_base_sb + sb_idx);
5728 }
5729
5730 /* default-status-blocks */
5731 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5732 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5733
5734 if (CHIP_MODE_IS_4_PORT(bp))
5735 dsb_idx = BP_FUNC(bp);
5736 else
5737 dsb_idx = BP_E1HVN(bp);
5738
5739 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5740 IGU_BC_BASE_DSB_PROD + dsb_idx :
5741 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5742
5743 for (i = 0; i < (num_segs * E1HVN_MAX);
5744 i += E1HVN_MAX) {
5745 addr = IGU_REG_PROD_CONS_MEMORY +
5746 (prod_offset + i)*4;
5747 REG_WR(bp, addr, 0);
5748 }
5749 /* send consumer update with 0 */
5750 if (CHIP_INT_MODE_IS_BC(bp)) {
5751 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5752 USTORM_ID, 0, IGU_INT_NOP, 1);
5753 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5754 CSTORM_ID, 0, IGU_INT_NOP, 1);
5755 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5756 XSTORM_ID, 0, IGU_INT_NOP, 1);
5757 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5758 TSTORM_ID, 0, IGU_INT_NOP, 1);
5759 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5760 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5761 } else {
5762 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5763 USTORM_ID, 0, IGU_INT_NOP, 1);
5764 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5765 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5766 }
5767 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5768
5769 /* !!! these should become driver const once
5770 rf-tool supports split-68 const */
5771 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5772 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5773 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5774 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5775 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5776 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5777 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005778 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005779
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005780 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005781 REG_WR(bp, 0x2114, 0xffffffff);
5782 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005783
5784 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5785 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5786 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5787 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5788 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5789 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5790
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005791 if (CHIP_IS_E1x(bp)) {
5792 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5793 main_mem_base = HC_REG_MAIN_MEMORY +
5794 BP_PORT(bp) * (main_mem_size * 4);
5795 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5796 main_mem_width = 8;
5797
5798 val = REG_RD(bp, main_mem_prty_clr);
5799 if (val)
5800 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5801 "block during "
5802 "function init (0x%x)!\n", val);
5803
5804 /* Clear "false" parity errors in MSI-X table */
5805 for (i = main_mem_base;
5806 i < main_mem_base + main_mem_size * 4;
5807 i += main_mem_width) {
5808 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5809 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5810 i, main_mem_width / 4);
5811 }
5812 /* Clear HC parity attention */
5813 REG_RD(bp, main_mem_prty_clr);
5814 }
5815
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005816 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005817
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005818 return 0;
5819}
5820
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005821int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005822{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005823 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005824
5825 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005826 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005827
5828 bp->dmae_ready = 0;
5829 mutex_init(&bp->dmae_mutex);
Eilon Greenstein54016b22009-08-12 08:23:48 +00005830 rc = bnx2x_gunzip_init(bp);
5831 if (rc)
5832 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005833
5834 switch (load_code) {
5835 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005836 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005837 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005838 if (rc)
5839 goto init_hw_err;
5840 /* no break */
5841
5842 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005843 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005844 if (rc)
5845 goto init_hw_err;
5846 /* no break */
5847
5848 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005849 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005850 if (rc)
5851 goto init_hw_err;
5852 break;
5853
5854 default:
5855 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5856 break;
5857 }
5858
5859 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005860 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005861
5862 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005863 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005864 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005865 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5866 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005867
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005868init_hw_err:
5869 bnx2x_gunzip_end(bp);
5870
5871 return rc;
5872}
5873
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005874void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005875{
5876
5877#define BNX2X_PCI_FREE(x, y, size) \
5878 do { \
5879 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005880 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005881 x = NULL; \
5882 y = 0; \
5883 } \
5884 } while (0)
5885
5886#define BNX2X_FREE(x) \
5887 do { \
5888 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005889 kfree((void *)x); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005890 x = NULL; \
5891 } \
5892 } while (0)
5893
5894 int i;
5895
5896 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005897 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005898 for_each_queue(bp, i) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005899#ifdef BCM_CNIC
5900 /* FCoE client uses default status block */
5901 if (IS_FCOE_IDX(i)) {
5902 union host_hc_status_block *sb =
5903 &bnx2x_fp(bp, i, status_blk);
5904 memset(sb, 0, sizeof(union host_hc_status_block));
5905 bnx2x_fp(bp, i, status_blk_mapping) = 0;
5906 } else {
5907#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005908 /* status blocks */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005909 if (CHIP_IS_E2(bp))
5910 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
5911 bnx2x_fp(bp, i, status_blk_mapping),
5912 sizeof(struct host_hc_status_block_e2));
5913 else
5914 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
5915 bnx2x_fp(bp, i, status_blk_mapping),
5916 sizeof(struct host_hc_status_block_e1x));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005917#ifdef BCM_CNIC
5918 }
5919#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005920 }
5921 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005922 for_each_rx_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005923
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005924 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005925 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5926 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5927 bnx2x_fp(bp, i, rx_desc_mapping),
5928 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5929
5930 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5931 bnx2x_fp(bp, i, rx_comp_mapping),
5932 sizeof(struct eth_fast_path_rx_cqe) *
5933 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005934
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005935 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005936 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005937 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5938 bnx2x_fp(bp, i, rx_sge_mapping),
5939 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5940 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005941 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005942 for_each_tx_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005943
5944 /* fastpath tx rings: tx_buf tx_desc */
5945 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5946 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5947 bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07005948 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005949 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005950 /* end of fastpath */
5951
5952 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005953 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005954
5955 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005956 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005957
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005958 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5959 bp->context.size);
5960
5961 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5962
5963 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005964
Michael Chan37b091b2009-10-10 13:46:55 +00005965#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005966 if (CHIP_IS_E2(bp))
5967 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5968 sizeof(struct host_hc_status_block_e2));
5969 else
5970 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5971 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005972
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005973 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005974#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005975
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005976 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005977
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005978 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5979 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5980
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005981#undef BNX2X_PCI_FREE
5982#undef BNX2X_KFREE
5983}
5984
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005985static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
5986{
5987 union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
5988 if (CHIP_IS_E2(bp)) {
5989 bnx2x_fp(bp, index, sb_index_values) =
5990 (__le16 *)status_blk.e2_sb->sb.index_values;
5991 bnx2x_fp(bp, index, sb_running_index) =
5992 (__le16 *)status_blk.e2_sb->sb.running_index;
5993 } else {
5994 bnx2x_fp(bp, index, sb_index_values) =
5995 (__le16 *)status_blk.e1x_sb->sb.index_values;
5996 bnx2x_fp(bp, index, sb_running_index) =
5997 (__le16 *)status_blk.e1x_sb->sb.running_index;
5998 }
5999}
6000
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006001int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006002{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006003#define BNX2X_PCI_ALLOC(x, y, size) \
6004 do { \
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006005 x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006006 if (x == NULL) \
6007 goto alloc_mem_err; \
6008 memset(x, 0, size); \
6009 } while (0)
6010
6011#define BNX2X_ALLOC(x, size) \
6012 do { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006013 x = kzalloc(size, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006014 if (x == NULL) \
6015 goto alloc_mem_err; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006016 } while (0)
6017
6018 int i;
6019
6020 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006021 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006022 for_each_queue(bp, i) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006023 union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006024 bnx2x_fp(bp, i, bp) = bp;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006025 /* status blocks */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006026#ifdef BCM_CNIC
6027 if (!IS_FCOE_IDX(i)) {
6028#endif
6029 if (CHIP_IS_E2(bp))
6030 BNX2X_PCI_ALLOC(sb->e2_sb,
6031 &bnx2x_fp(bp, i, status_blk_mapping),
6032 sizeof(struct host_hc_status_block_e2));
6033 else
6034 BNX2X_PCI_ALLOC(sb->e1x_sb,
6035 &bnx2x_fp(bp, i, status_blk_mapping),
6036 sizeof(struct host_hc_status_block_e1x));
6037#ifdef BCM_CNIC
6038 }
6039#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006040 set_sb_shortcuts(bp, i);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006041 }
6042 /* Rx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006043 for_each_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006044
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006045 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006046 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
6047 sizeof(struct sw_rx_bd) * NUM_RX_BD);
6048 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
6049 &bnx2x_fp(bp, i, rx_desc_mapping),
6050 sizeof(struct eth_rx_bd) * NUM_RX_BD);
6051
6052 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
6053 &bnx2x_fp(bp, i, rx_comp_mapping),
6054 sizeof(struct eth_fast_path_rx_cqe) *
6055 NUM_RCQ_BD);
6056
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006057 /* SGE ring */
6058 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
6059 sizeof(struct sw_rx_page) * NUM_RX_SGE);
6060 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
6061 &bnx2x_fp(bp, i, rx_sge_mapping),
6062 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006063 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006064 /* Tx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006065 for_each_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006066
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006067 /* fastpath tx rings: tx_buf tx_desc */
6068 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
6069 sizeof(struct sw_tx_bd) * NUM_TX_BD);
6070 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
6071 &bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07006072 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006073 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006074 /* end of fastpath */
6075
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006076#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006077 if (CHIP_IS_E2(bp))
6078 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
6079 sizeof(struct host_hc_status_block_e2));
6080 else
6081 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
6082 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006083
6084 /* allocate searcher T2 table */
6085 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
6086#endif
6087
6088
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006089 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006090 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006091
6092 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
6093 sizeof(struct bnx2x_slowpath));
6094
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006095 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006096
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006097 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
6098 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006099
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006100 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006101
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006102 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
6103 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006104
6105 /* Slow path ring */
6106 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6107
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006108 /* EQ */
6109 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
6110 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006111 return 0;
6112
6113alloc_mem_err:
6114 bnx2x_free_mem(bp);
6115 return -ENOMEM;
6116
6117#undef BNX2X_PCI_ALLOC
6118#undef BNX2X_ALLOC
6119}
6120
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006121/*
6122 * Init service functions
6123 */
stephen hemminger8d962862010-10-21 07:50:56 +00006124static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6125 int *state_p, int flags);
6126
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006127int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006128{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006129 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006130
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006131 /* Wait for completion */
6132 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6133 WAIT_RAMROD_COMMON);
6134}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006135
stephen hemminger8d962862010-10-21 07:50:56 +00006136static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006137{
6138 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006139
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006140 /* Wait for completion */
6141 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6142 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006143}
6144
Michael Chane665bfda52009-10-10 13:46:54 +00006145/**
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006146 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
Michael Chane665bfda52009-10-10 13:46:54 +00006147 *
6148 * @param bp driver descriptor
6149 * @param set set or clear an entry (1 or 0)
6150 * @param mac pointer to a buffer containing a MAC
6151 * @param cl_bit_vec bit vector of clients to register a MAC for
6152 * @param cam_offset offset in a CAM to use
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006153 * @param is_bcast is the set MAC a broadcast address (for E1 only)
Michael Chane665bfda52009-10-10 13:46:54 +00006154 */
Joe Perches215faf92010-12-21 02:16:10 -08006155static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006156 u32 cl_bit_vec, u8 cam_offset,
6157 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006158{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006159 struct mac_configuration_cmd *config =
6160 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6161 int ramrod_flags = WAIT_RAMROD_COMMON;
6162
6163 bp->set_mac_pending = 1;
6164 smp_wmb();
6165
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006166 config->hdr.length = 1;
Michael Chane665bfda52009-10-10 13:46:54 +00006167 config->hdr.offset = cam_offset;
6168 config->hdr.client_id = 0xff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006169 config->hdr.reserved1 = 0;
6170
6171 /* primary MAC */
6172 config->config_table[0].msb_mac_addr =
Michael Chane665bfda52009-10-10 13:46:54 +00006173 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006174 config->config_table[0].middle_mac_addr =
Michael Chane665bfda52009-10-10 13:46:54 +00006175 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006176 config->config_table[0].lsb_mac_addr =
Michael Chane665bfda52009-10-10 13:46:54 +00006177 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006178 config->config_table[0].clients_bit_vector =
Michael Chane665bfda52009-10-10 13:46:54 +00006179 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006180 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006181 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006182 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006183 SET_FLAG(config->config_table[0].flags,
6184 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6185 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006186 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006187 SET_FLAG(config->config_table[0].flags,
6188 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6189 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006190
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006191 if (is_bcast)
6192 SET_FLAG(config->config_table[0].flags,
6193 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6194
6195 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006196 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006197 config->config_table[0].msb_mac_addr,
6198 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006199 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006200
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006201 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006202 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006203 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6204
6205 /* Wait for a completion */
6206 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006207}
6208
stephen hemminger8d962862010-10-21 07:50:56 +00006209static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6210 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006211{
6212 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006213 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006214 u8 poll = flags & WAIT_RAMROD_POLL;
6215 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006216
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006217 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6218 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006219
6220 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006221 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006222 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006223 if (common)
6224 bnx2x_eq_int(bp);
6225 else {
6226 bnx2x_rx_int(bp->fp, 10);
6227 /* if index is different from 0
6228 * the reply for some commands will
6229 * be on the non default queue
6230 */
6231 if (idx)
6232 bnx2x_rx_int(&bp->fp[idx], 10);
6233 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006234 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006235
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006236 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006237 if (*state_p == state) {
6238#ifdef BNX2X_STOP_ON_ERROR
6239 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6240#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006241 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006242 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006243
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006244 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006245
6246 if (bp->panic)
6247 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006248 }
6249
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006250 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006251 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6252 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006253#ifdef BNX2X_STOP_ON_ERROR
6254 bnx2x_panic();
6255#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006256
Eliezer Tamir49d66772008-02-28 11:53:13 -08006257 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006258}
6259
stephen hemminger8d962862010-10-21 07:50:56 +00006260static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfda52009-10-10 13:46:54 +00006261{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006262 if (CHIP_IS_E1H(bp))
6263 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6264 else if (CHIP_MODE_IS_4_PORT(bp))
6265 return BP_FUNC(bp) * 32 + rel_offset;
6266 else
6267 return BP_VN(bp) * 32 + rel_offset;
Michael Chane665bfda52009-10-10 13:46:54 +00006268}
6269
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006270/**
6271 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6272 * relevant. In addition, current implementation is tuned for a
6273 * single ETH MAC.
6274 *
6275 * When multiple unicast ETH MACs PF configuration in switch
6276 * independent mode is required (NetQ, multiple netdev MACs,
6277 * etc.), consider better utilisation of 16 per function MAC
6278 * entries in the LLH memory.
6279 */
6280enum {
6281 LLH_CAM_ISCSI_ETH_LINE = 0,
6282 LLH_CAM_ETH_LINE,
6283 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6284};
6285
6286static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6287 int set,
6288 unsigned char *dev_addr,
6289 int index)
6290{
6291 u32 wb_data[2];
6292 u32 mem_offset, ena_offset, mem_index;
6293 /**
6294 * indexes mapping:
6295 * 0..7 - goes to MEM
6296 * 8..15 - goes to MEM2
6297 */
6298
6299 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6300 return;
6301
6302 /* calculate memory start offset according to the mapping
6303 * and index in the memory */
6304 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6305 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6306 NIG_REG_LLH0_FUNC_MEM;
6307 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6308 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6309 mem_index = index;
6310 } else {
6311 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6312 NIG_REG_P0_LLH_FUNC_MEM2;
6313 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6314 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6315 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6316 }
6317
6318 if (set) {
6319 /* LLH_FUNC_MEM is a u64 WB register */
6320 mem_offset += 8*mem_index;
6321
6322 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6323 (dev_addr[4] << 8) | dev_addr[5]);
6324 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6325
6326 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6327 }
6328
6329 /* enable/disable the entry */
6330 REG_WR(bp, ena_offset + 4*mem_index, set);
6331
6332}
6333
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006334void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfda52009-10-10 13:46:54 +00006335{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006336 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6337 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6338
6339 /* networking MAC */
6340 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6341 (1 << bp->fp->cl_id), cam_offset , 0);
6342
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006343 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6344
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006345 if (CHIP_IS_E1(bp)) {
6346 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006347 static const u8 bcast[ETH_ALEN] = {
6348 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6349 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006350 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6351 }
6352}
6353static void bnx2x_set_e1_mc_list(struct bnx2x *bp, u8 offset)
6354{
6355 int i = 0, old;
6356 struct net_device *dev = bp->dev;
6357 struct netdev_hw_addr *ha;
6358 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6359 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6360
6361 netdev_for_each_mc_addr(ha, dev) {
6362 /* copy mac */
6363 config_cmd->config_table[i].msb_mac_addr =
6364 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6365 config_cmd->config_table[i].middle_mac_addr =
6366 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6367 config_cmd->config_table[i].lsb_mac_addr =
6368 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6369
6370 config_cmd->config_table[i].vlan_id = 0;
6371 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6372 config_cmd->config_table[i].clients_bit_vector =
6373 cpu_to_le32(1 << BP_L_ID(bp));
6374
6375 SET_FLAG(config_cmd->config_table[i].flags,
6376 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6377 T_ETH_MAC_COMMAND_SET);
6378
6379 DP(NETIF_MSG_IFUP,
6380 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6381 config_cmd->config_table[i].msb_mac_addr,
6382 config_cmd->config_table[i].middle_mac_addr,
6383 config_cmd->config_table[i].lsb_mac_addr);
6384 i++;
6385 }
6386 old = config_cmd->hdr.length;
6387 if (old > i) {
6388 for (; i < old; i++) {
6389 if (CAM_IS_INVALID(config_cmd->
6390 config_table[i])) {
6391 /* already invalidated */
6392 break;
6393 }
6394 /* invalidate */
6395 SET_FLAG(config_cmd->config_table[i].flags,
6396 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6397 T_ETH_MAC_COMMAND_INVALIDATE);
6398 }
6399 }
6400
6401 config_cmd->hdr.length = i;
6402 config_cmd->hdr.offset = offset;
6403 config_cmd->hdr.client_id = 0xff;
6404 config_cmd->hdr.reserved1 = 0;
6405
6406 bp->set_mac_pending = 1;
Michael Chane665bfda52009-10-10 13:46:54 +00006407 smp_wmb();
6408
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006409 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6410 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6411}
6412static void bnx2x_invlidate_e1_mc_list(struct bnx2x *bp)
6413{
6414 int i;
6415 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6416 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6417 int ramrod_flags = WAIT_RAMROD_COMMON;
6418
6419 bp->set_mac_pending = 1;
6420 smp_wmb();
6421
6422 for (i = 0; i < config_cmd->hdr.length; i++)
6423 SET_FLAG(config_cmd->config_table[i].flags,
6424 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6425 T_ETH_MAC_COMMAND_INVALIDATE);
6426
6427 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6428 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfda52009-10-10 13:46:54 +00006429
6430 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006431 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6432 ramrod_flags);
6433
Michael Chane665bfda52009-10-10 13:46:54 +00006434}
6435
Michael Chan993ac7b2009-10-10 13:46:56 +00006436#ifdef BCM_CNIC
6437/**
6438 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
6439 * MAC(s). This function will wait until the ramdord completion
6440 * returns.
6441 *
6442 * @param bp driver handle
6443 * @param set set or clear the CAM entry
6444 *
6445 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6446 */
stephen hemminger8d962862010-10-21 07:50:56 +00006447static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006448{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006449 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6450 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006451 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6452 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006453 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Michael Chan993ac7b2009-10-10 13:46:56 +00006454
6455 /* Send a SET_MAC ramrod */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006456 bnx2x_set_mac_addr_gen(bp, set, bp->iscsi_mac, cl_bit_vec,
6457 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006458
6459 bnx2x_set_mac_in_nig(bp, set, bp->iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006460
6461 return 0;
6462}
6463
6464/**
6465 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
6466 * ETH MAC(s). This function will wait until the ramdord
6467 * completion returns.
6468 *
6469 * @param bp driver handle
6470 * @param set set or clear the CAM entry
6471 *
6472 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6473 */
6474int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6475{
6476 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6477 /**
6478 * CAM allocation for E1H
6479 * eth unicasts: by func number
6480 * iscsi: by func number
6481 * fip unicast: by func number
6482 * fip multicast: by func number
6483 */
6484 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6485 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6486
6487 return 0;
6488}
6489
6490int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6491{
6492 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6493
6494 /**
6495 * CAM allocation for E1H
6496 * eth unicasts: by func number
6497 * iscsi: by func number
6498 * fip unicast: by func number
6499 * fip multicast: by func number
6500 */
6501 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6502 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6503
Michael Chan993ac7b2009-10-10 13:46:56 +00006504 return 0;
6505}
6506#endif
6507
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006508static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6509 struct bnx2x_client_init_params *params,
6510 u8 activate,
6511 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006512{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006513 /* Clear the buffer */
6514 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006515
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006516 /* general */
6517 data->general.client_id = params->rxq_params.cl_id;
6518 data->general.statistics_counter_id = params->rxq_params.stat_id;
6519 data->general.statistics_en_flg =
6520 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006521 data->general.is_fcoe_flg =
6522 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006523 data->general.activate_flg = activate;
6524 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006525
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006526 /* Rx data */
6527 data->rx.tpa_en_flg =
6528 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6529 data->rx.vmqueue_mode_en_flg = 0;
6530 data->rx.cache_line_alignment_log_size =
6531 params->rxq_params.cache_line_log;
6532 data->rx.enable_dynamic_hc =
6533 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6534 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6535 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6536 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6537
6538 /* We don't set drop flags */
6539 data->rx.drop_ip_cs_err_flg = 0;
6540 data->rx.drop_tcp_cs_err_flg = 0;
6541 data->rx.drop_ttl0_flg = 0;
6542 data->rx.drop_udp_cs_err_flg = 0;
6543
6544 data->rx.inner_vlan_removal_enable_flg =
6545 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6546 data->rx.outer_vlan_removal_enable_flg =
6547 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6548 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6549 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6550 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6551 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6552 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6553 data->rx.bd_page_base.lo =
6554 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6555 data->rx.bd_page_base.hi =
6556 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6557 data->rx.sge_page_base.lo =
6558 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6559 data->rx.sge_page_base.hi =
6560 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6561 data->rx.cqe_page_base.lo =
6562 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6563 data->rx.cqe_page_base.hi =
6564 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6565 data->rx.is_leading_rss =
6566 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6567 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6568
6569 /* Tx data */
6570 data->tx.enforce_security_flg = 0; /* VF specific */
6571 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6572 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6573 data->tx.mtu = 0; /* VF specific */
6574 data->tx.tx_bd_page_base.lo =
6575 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6576 data->tx.tx_bd_page_base.hi =
6577 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6578
6579 /* flow control data */
6580 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6581 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6582 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6583 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6584 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6585 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6586 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6587
6588 data->fc.safc_group_num = params->txq_params.cos;
6589 data->fc.safc_group_en_flg =
6590 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006591 data->fc.traffic_type =
6592 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6593 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006594}
6595
6596static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6597{
6598 /* ustorm cxt validation */
6599 cxt->ustorm_ag_context.cdu_usage =
6600 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6601 ETH_CONNECTION_TYPE);
6602 /* xcontext validation */
6603 cxt->xstorm_ag_context.cdu_reserved =
6604 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6605 ETH_CONNECTION_TYPE);
6606}
6607
stephen hemminger8d962862010-10-21 07:50:56 +00006608static int bnx2x_setup_fw_client(struct bnx2x *bp,
6609 struct bnx2x_client_init_params *params,
6610 u8 activate,
6611 struct client_init_ramrod_data *data,
6612 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006613{
6614 u16 hc_usec;
6615 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6616 int ramrod_flags = 0, rc;
6617
6618 /* HC and context validation values */
6619 hc_usec = params->txq_params.hc_rate ?
6620 1000000 / params->txq_params.hc_rate : 0;
6621 bnx2x_update_coalesce_sb_index(bp,
6622 params->txq_params.fw_sb_id,
6623 params->txq_params.sb_cq_index,
6624 !(params->txq_params.flags & QUEUE_FLG_HC),
6625 hc_usec);
6626
6627 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6628
6629 hc_usec = params->rxq_params.hc_rate ?
6630 1000000 / params->rxq_params.hc_rate : 0;
6631 bnx2x_update_coalesce_sb_index(bp,
6632 params->rxq_params.fw_sb_id,
6633 params->rxq_params.sb_cq_index,
6634 !(params->rxq_params.flags & QUEUE_FLG_HC),
6635 hc_usec);
6636
6637 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6638 params->rxq_params.cid);
6639
6640 /* zero stats */
6641 if (params->txq_params.flags & QUEUE_FLG_STATS)
6642 storm_memset_xstats_zero(bp, BP_PORT(bp),
6643 params->txq_params.stat_id);
6644
6645 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6646 storm_memset_ustats_zero(bp, BP_PORT(bp),
6647 params->rxq_params.stat_id);
6648 storm_memset_tstats_zero(bp, BP_PORT(bp),
6649 params->rxq_params.stat_id);
6650 }
6651
6652 /* Fill the ramrod data */
6653 bnx2x_fill_cl_init_data(bp, params, activate, data);
6654
6655 /* SETUP ramrod.
6656 *
6657 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6658 * barrier except from mmiowb() is needed to impose a
6659 * proper ordering of memory operations.
6660 */
6661 mmiowb();
6662
6663
6664 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6665 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006666
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006667 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006668 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6669 params->ramrod_params.index,
6670 params->ramrod_params.pstate,
6671 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006672 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006673}
6674
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006675/**
6676 * Configure interrupt mode according to current configuration.
6677 * In case of MSI-X it will also try to enable MSI-X.
6678 *
6679 * @param bp
6680 *
6681 * @return int
6682 */
6683static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006684{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006685 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006686
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006687 switch (bp->int_mode) {
6688 case INT_MODE_MSI:
6689 bnx2x_enable_msi(bp);
6690 /* falling through... */
6691 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006692 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006693 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006694 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006695 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006696 /* Set number of queues according to bp->multi_mode value */
6697 bnx2x_set_num_queues(bp);
6698
6699 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6700 bp->num_queues);
6701
6702 /* if we can't use MSI-X we only need one fp,
6703 * so try to enable MSI-X with the requested number of fp's
6704 * and fallback to MSI or legacy INTx with one fp
6705 */
6706 rc = bnx2x_enable_msix(bp);
6707 if (rc) {
6708 /* failed to enable MSI-X */
6709 if (bp->multi_mode)
6710 DP(NETIF_MSG_IFUP,
6711 "Multi requested but failed to "
6712 "enable MSI-X (%d), "
6713 "set number of queues to %d\n",
6714 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006715 1 + NONE_ETH_CONTEXT_USE);
6716 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006717
6718 if (!(bp->flags & DISABLE_MSI_FLAG))
6719 bnx2x_enable_msi(bp);
6720 }
6721
Eilon Greensteinca003922009-08-12 22:53:28 -07006722 break;
6723 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006724
6725 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006726}
6727
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006728/* must be called prioir to any HW initializations */
6729static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6730{
6731 return L2_ILT_LINES(bp);
6732}
6733
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006734void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006735{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006736 struct ilt_client_info *ilt_client;
6737 struct bnx2x_ilt *ilt = BP_ILT(bp);
6738 u16 line = 0;
6739
6740 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6741 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6742
6743 /* CDU */
6744 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6745 ilt_client->client_num = ILT_CLIENT_CDU;
6746 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6747 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6748 ilt_client->start = line;
6749 line += L2_ILT_LINES(bp);
6750#ifdef BCM_CNIC
6751 line += CNIC_ILT_LINES;
6752#endif
6753 ilt_client->end = line - 1;
6754
6755 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6756 "flags 0x%x, hw psz %d\n",
6757 ilt_client->start,
6758 ilt_client->end,
6759 ilt_client->page_size,
6760 ilt_client->flags,
6761 ilog2(ilt_client->page_size >> 12));
6762
6763 /* QM */
6764 if (QM_INIT(bp->qm_cid_count)) {
6765 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6766 ilt_client->client_num = ILT_CLIENT_QM;
6767 ilt_client->page_size = QM_ILT_PAGE_SZ;
6768 ilt_client->flags = 0;
6769 ilt_client->start = line;
6770
6771 /* 4 bytes for each cid */
6772 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6773 QM_ILT_PAGE_SZ);
6774
6775 ilt_client->end = line - 1;
6776
6777 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6778 "flags 0x%x, hw psz %d\n",
6779 ilt_client->start,
6780 ilt_client->end,
6781 ilt_client->page_size,
6782 ilt_client->flags,
6783 ilog2(ilt_client->page_size >> 12));
6784
6785 }
6786 /* SRC */
6787 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6788#ifdef BCM_CNIC
6789 ilt_client->client_num = ILT_CLIENT_SRC;
6790 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6791 ilt_client->flags = 0;
6792 ilt_client->start = line;
6793 line += SRC_ILT_LINES;
6794 ilt_client->end = line - 1;
6795
6796 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6797 "flags 0x%x, hw psz %d\n",
6798 ilt_client->start,
6799 ilt_client->end,
6800 ilt_client->page_size,
6801 ilt_client->flags,
6802 ilog2(ilt_client->page_size >> 12));
6803
6804#else
6805 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6806#endif
6807
6808 /* TM */
6809 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6810#ifdef BCM_CNIC
6811 ilt_client->client_num = ILT_CLIENT_TM;
6812 ilt_client->page_size = TM_ILT_PAGE_SZ;
6813 ilt_client->flags = 0;
6814 ilt_client->start = line;
6815 line += TM_ILT_LINES;
6816 ilt_client->end = line - 1;
6817
6818 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6819 "flags 0x%x, hw psz %d\n",
6820 ilt_client->start,
6821 ilt_client->end,
6822 ilt_client->page_size,
6823 ilt_client->flags,
6824 ilog2(ilt_client->page_size >> 12));
6825
6826#else
6827 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6828#endif
6829}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006830
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006831int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6832 int is_leading)
6833{
6834 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006835 int rc;
6836
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006837 /* reset IGU state skip FCoE L2 queue */
6838 if (!IS_FCOE_FP(fp))
6839 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006840 IGU_INT_ENABLE, 0);
6841
6842 params.ramrod_params.pstate = &fp->state;
6843 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6844 params.ramrod_params.index = fp->index;
6845 params.ramrod_params.cid = fp->cid;
6846
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006847#ifdef BCM_CNIC
6848 if (IS_FCOE_FP(fp))
6849 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6850
6851#endif
6852
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006853 if (is_leading)
6854 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6855
6856 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6857
6858 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6859
6860 rc = bnx2x_setup_fw_client(bp, &params, 1,
6861 bnx2x_sp(bp, client_init_data),
6862 bnx2x_sp_mapping(bp, client_init_data));
6863 return rc;
6864}
6865
stephen hemminger8d962862010-10-21 07:50:56 +00006866static int bnx2x_stop_fw_client(struct bnx2x *bp,
6867 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006868{
6869 int rc;
6870
6871 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6872
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006873 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006874 *p->pstate = BNX2X_FP_STATE_HALTING;
6875 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6876 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006877
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006878 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006879 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6880 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006881 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006882 return rc;
6883
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006884 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6885 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6886 p->cl_id, 0);
6887 /* Wait for completion */
6888 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6889 p->pstate, poll_flag);
6890 if (rc) /* timeout */
6891 return rc;
6892
6893
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006894 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006895 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006896
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006897 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006898 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6899 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006900 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006901}
6902
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006903static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006904{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006905 struct bnx2x_client_ramrod_params client_stop = {0};
6906 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006907
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006908 client_stop.index = index;
6909 client_stop.cid = fp->cid;
6910 client_stop.cl_id = fp->cl_id;
6911 client_stop.pstate = &(fp->state);
6912 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006913
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006914 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006915}
6916
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006917
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006918static void bnx2x_reset_func(struct bnx2x *bp)
6919{
6920 int port = BP_PORT(bp);
6921 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006922 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006923 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006924 (CHIP_IS_E2(bp) ?
6925 offsetof(struct hc_status_block_data_e2, common) :
6926 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006927 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6928 int pfid_offset = offsetof(struct pci_entity, pf_id);
6929
6930 /* Disable the function in the FW */
6931 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6932 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6933 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6934 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6935
6936 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006937 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006938 struct bnx2x_fastpath *fp = &bp->fp[i];
6939 REG_WR8(bp,
6940 BAR_CSTRORM_INTMEM +
6941 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6942 + pfunc_offset_fp + pfid_offset,
6943 HC_FUNCTION_DISABLED);
6944 }
6945
6946 /* SP SB */
6947 REG_WR8(bp,
6948 BAR_CSTRORM_INTMEM +
6949 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6950 pfunc_offset_sp + pfid_offset,
6951 HC_FUNCTION_DISABLED);
6952
6953
6954 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6955 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6956 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006957
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006958 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006959 if (bp->common.int_block == INT_BLOCK_HC) {
6960 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6961 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6962 } else {
6963 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6964 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6965 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006966
Michael Chan37b091b2009-10-10 13:46:55 +00006967#ifdef BCM_CNIC
6968 /* Disable Timer scan */
6969 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6970 /*
6971 * Wait for at least 10ms and up to 2 second for the timers scan to
6972 * complete
6973 */
6974 for (i = 0; i < 200; i++) {
6975 msleep(10);
6976 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6977 break;
6978 }
6979#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006980 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006981 bnx2x_clear_func_ilt(bp, func);
6982
6983 /* Timers workaround bug for E2: if this is vnic-3,
6984 * we need to set the entire ilt range for this timers.
6985 */
6986 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6987 struct ilt_client_info ilt_cli;
6988 /* use dummy TM client */
6989 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6990 ilt_cli.start = 0;
6991 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6992 ilt_cli.client_num = ILT_CLIENT_TM;
6993
6994 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6995 }
6996
6997 /* this assumes that reset_port() called before reset_func()*/
6998 if (CHIP_IS_E2(bp))
6999 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007000
7001 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007002}
7003
7004static void bnx2x_reset_port(struct bnx2x *bp)
7005{
7006 int port = BP_PORT(bp);
7007 u32 val;
7008
7009 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7010
7011 /* Do not rcv packets to BRB */
7012 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7013 /* Do not direct rcv packets that are not for MCP to the BRB */
7014 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7015 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7016
7017 /* Configure AEU */
7018 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7019
7020 msleep(100);
7021 /* Check for BRB port occupancy */
7022 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7023 if (val)
7024 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007025 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007026
7027 /* TODO: Close Doorbell port? */
7028}
7029
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007030static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7031{
7032 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007033 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007034
7035 switch (reset_code) {
7036 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7037 bnx2x_reset_port(bp);
7038 bnx2x_reset_func(bp);
7039 bnx2x_reset_common(bp);
7040 break;
7041
7042 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7043 bnx2x_reset_port(bp);
7044 bnx2x_reset_func(bp);
7045 break;
7046
7047 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7048 bnx2x_reset_func(bp);
7049 break;
7050
7051 default:
7052 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7053 break;
7054 }
7055}
7056
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007057#ifdef BCM_CNIC
7058static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7059{
7060 if (bp->flags & FCOE_MACS_SET) {
7061 if (!IS_MF_SD(bp))
7062 bnx2x_set_fip_eth_mac_addr(bp, 0);
7063
7064 bnx2x_set_all_enode_macs(bp, 0);
7065
7066 bp->flags &= ~FCOE_MACS_SET;
7067 }
7068}
7069#endif
7070
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007071void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007072{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007073 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007074 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007075 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007076
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007077 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007078 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007079 struct bnx2x_fastpath *fp = &bp->fp[i];
7080
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007081 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007082 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007083
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007084 if (!cnt) {
7085 BNX2X_ERR("timeout waiting for queue[%d]\n",
7086 i);
7087#ifdef BNX2X_STOP_ON_ERROR
7088 bnx2x_panic();
7089 return -EBUSY;
7090#else
7091 break;
7092#endif
7093 }
7094 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007095 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007096 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007097 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007098 /* Give HW time to discard old tx messages */
7099 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007100
Yitchak Gertner65abd742008-08-25 15:26:24 -07007101 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007102 /* invalidate mc list,
7103 * wait and poll (interrupts are off)
7104 */
7105 bnx2x_invlidate_e1_mc_list(bp);
7106 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007107
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007108 } else {
Yitchak Gertner65abd742008-08-25 15:26:24 -07007109 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7110
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007111 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007112
7113 for (i = 0; i < MC_HASH_SIZE; i++)
7114 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
7115 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007116
Michael Chan993ac7b2009-10-10 13:46:56 +00007117#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007118 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007119#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007120
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007121 if (unload_mode == UNLOAD_NORMAL)
7122 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007123
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007124 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007125 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007126
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007127 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007128 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007129 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007130 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007131 /* The mac address is written to entries 1-4 to
7132 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007133 u8 entry = (BP_E1HVN(bp) + 1)*8;
7134
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007135 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007136 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007137
7138 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7139 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007140 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007141
7142 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007143
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007144 } else
7145 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7146
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007147 /* Close multi and leading connections
7148 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007149 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007150
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007151 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007152#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007153 return;
7154#else
7155 goto unload_error;
7156#endif
7157
7158 rc = bnx2x_func_stop(bp);
7159 if (rc) {
7160 BNX2X_ERR("Function stop failed!\n");
7161#ifdef BNX2X_STOP_ON_ERROR
7162 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007163#else
7164 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007165#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007166 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007167#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007168unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007169#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007170 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007171 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007172 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007173 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7174 "%d, %d, %d\n", BP_PATH(bp),
7175 load_count[BP_PATH(bp)][0],
7176 load_count[BP_PATH(bp)][1],
7177 load_count[BP_PATH(bp)][2]);
7178 load_count[BP_PATH(bp)][0]--;
7179 load_count[BP_PATH(bp)][1 + port]--;
7180 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7181 "%d, %d, %d\n", BP_PATH(bp),
7182 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7183 load_count[BP_PATH(bp)][2]);
7184 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007185 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007186 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007187 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7188 else
7189 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7190 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007191
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007192 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7193 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7194 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007195
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007196 /* Disable HW interrupts, NAPI */
7197 bnx2x_netif_stop(bp, 1);
7198
7199 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007200 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007201
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007202 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007203 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007204
7205 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007206 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007207 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007208
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007209}
7210
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007211void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007212{
7213 u32 val;
7214
7215 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7216
7217 if (CHIP_IS_E1(bp)) {
7218 int port = BP_PORT(bp);
7219 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7220 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7221
7222 val = REG_RD(bp, addr);
7223 val &= ~(0x300);
7224 REG_WR(bp, addr, val);
7225 } else if (CHIP_IS_E1H(bp)) {
7226 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7227 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7228 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7229 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7230 }
7231}
7232
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007233/* Close gates #2, #3 and #4: */
7234static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7235{
7236 u32 val, addr;
7237
7238 /* Gates #2 and #4a are closed/opened for "not E1" only */
7239 if (!CHIP_IS_E1(bp)) {
7240 /* #4 */
7241 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7242 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7243 close ? (val | 0x1) : (val & (~(u32)1)));
7244 /* #2 */
7245 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7246 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7247 close ? (val | 0x1) : (val & (~(u32)1)));
7248 }
7249
7250 /* #3 */
7251 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7252 val = REG_RD(bp, addr);
7253 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7254
7255 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7256 close ? "closing" : "opening");
7257 mmiowb();
7258}
7259
7260#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7261
7262static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7263{
7264 /* Do some magic... */
7265 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7266 *magic_val = val & SHARED_MF_CLP_MAGIC;
7267 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7268}
7269
7270/* Restore the value of the `magic' bit.
7271 *
7272 * @param pdev Device handle.
7273 * @param magic_val Old value of the `magic' bit.
7274 */
7275static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7276{
7277 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007278 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7279 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7280 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7281}
7282
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007283/**
7284 * Prepares for MCP reset: takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007285 *
7286 * @param bp
7287 * @param magic_val Old value of 'magic' bit.
7288 */
7289static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7290{
7291 u32 shmem;
7292 u32 validity_offset;
7293
7294 DP(NETIF_MSG_HW, "Starting\n");
7295
7296 /* Set `magic' bit in order to save MF config */
7297 if (!CHIP_IS_E1(bp))
7298 bnx2x_clp_reset_prep(bp, magic_val);
7299
7300 /* Get shmem offset */
7301 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7302 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7303
7304 /* Clear validity map flags */
7305 if (shmem > 0)
7306 REG_WR(bp, shmem + validity_offset, 0);
7307}
7308
7309#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7310#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7311
7312/* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
7313 * depending on the HW type.
7314 *
7315 * @param bp
7316 */
7317static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7318{
7319 /* special handling for emulation and FPGA,
7320 wait 10 times longer */
7321 if (CHIP_REV_IS_SLOW(bp))
7322 msleep(MCP_ONE_TIMEOUT*10);
7323 else
7324 msleep(MCP_ONE_TIMEOUT);
7325}
7326
7327static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7328{
7329 u32 shmem, cnt, validity_offset, val;
7330 int rc = 0;
7331
7332 msleep(100);
7333
7334 /* Get shmem offset */
7335 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7336 if (shmem == 0) {
7337 BNX2X_ERR("Shmem 0 return failure\n");
7338 rc = -ENOTTY;
7339 goto exit_lbl;
7340 }
7341
7342 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7343
7344 /* Wait for MCP to come up */
7345 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7346 /* TBD: its best to check validity map of last port.
7347 * currently checks on port 0.
7348 */
7349 val = REG_RD(bp, shmem + validity_offset);
7350 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7351 shmem + validity_offset, val);
7352
7353 /* check that shared memory is valid. */
7354 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7355 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7356 break;
7357
7358 bnx2x_mcp_wait_one(bp);
7359 }
7360
7361 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7362
7363 /* Check that shared memory is valid. This indicates that MCP is up. */
7364 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7365 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7366 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7367 rc = -ENOTTY;
7368 goto exit_lbl;
7369 }
7370
7371exit_lbl:
7372 /* Restore the `magic' bit value */
7373 if (!CHIP_IS_E1(bp))
7374 bnx2x_clp_reset_done(bp, magic_val);
7375
7376 return rc;
7377}
7378
7379static void bnx2x_pxp_prep(struct bnx2x *bp)
7380{
7381 if (!CHIP_IS_E1(bp)) {
7382 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7383 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7384 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7385 mmiowb();
7386 }
7387}
7388
7389/*
7390 * Reset the whole chip except for:
7391 * - PCIE core
7392 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7393 * one reset bit)
7394 * - IGU
7395 * - MISC (including AEU)
7396 * - GRC
7397 * - RBCN, RBCP
7398 */
7399static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7400{
7401 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7402
7403 not_reset_mask1 =
7404 MISC_REGISTERS_RESET_REG_1_RST_HC |
7405 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7406 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7407
7408 not_reset_mask2 =
7409 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7410 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7411 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7412 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7413 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7414 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7415 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7416 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7417
7418 reset_mask1 = 0xffffffff;
7419
7420 if (CHIP_IS_E1(bp))
7421 reset_mask2 = 0xffff;
7422 else
7423 reset_mask2 = 0x1ffff;
7424
7425 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7426 reset_mask1 & (~not_reset_mask1));
7427 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7428 reset_mask2 & (~not_reset_mask2));
7429
7430 barrier();
7431 mmiowb();
7432
7433 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7434 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7435 mmiowb();
7436}
7437
7438static int bnx2x_process_kill(struct bnx2x *bp)
7439{
7440 int cnt = 1000;
7441 u32 val = 0;
7442 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7443
7444
7445 /* Empty the Tetris buffer, wait for 1s */
7446 do {
7447 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7448 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7449 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7450 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7451 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7452 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7453 ((port_is_idle_0 & 0x1) == 0x1) &&
7454 ((port_is_idle_1 & 0x1) == 0x1) &&
7455 (pgl_exp_rom2 == 0xffffffff))
7456 break;
7457 msleep(1);
7458 } while (cnt-- > 0);
7459
7460 if (cnt <= 0) {
7461 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7462 " are still"
7463 " outstanding read requests after 1s!\n");
7464 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7465 " port_is_idle_0=0x%08x,"
7466 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7467 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7468 pgl_exp_rom2);
7469 return -EAGAIN;
7470 }
7471
7472 barrier();
7473
7474 /* Close gates #2, #3 and #4 */
7475 bnx2x_set_234_gates(bp, true);
7476
7477 /* TBD: Indicate that "process kill" is in progress to MCP */
7478
7479 /* Clear "unprepared" bit */
7480 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7481 barrier();
7482
7483 /* Make sure all is written to the chip before the reset */
7484 mmiowb();
7485
7486 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7487 * PSWHST, GRC and PSWRD Tetris buffer.
7488 */
7489 msleep(1);
7490
7491 /* Prepare to chip reset: */
7492 /* MCP */
7493 bnx2x_reset_mcp_prep(bp, &val);
7494
7495 /* PXP */
7496 bnx2x_pxp_prep(bp);
7497 barrier();
7498
7499 /* reset the chip */
7500 bnx2x_process_kill_chip_reset(bp);
7501 barrier();
7502
7503 /* Recover after reset: */
7504 /* MCP */
7505 if (bnx2x_reset_mcp_comp(bp, val))
7506 return -EAGAIN;
7507
7508 /* PXP */
7509 bnx2x_pxp_prep(bp);
7510
7511 /* Open the gates #2, #3 and #4 */
7512 bnx2x_set_234_gates(bp, false);
7513
7514 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7515 * reset state, re-enable attentions. */
7516
7517 return 0;
7518}
7519
7520static int bnx2x_leader_reset(struct bnx2x *bp)
7521{
7522 int rc = 0;
7523 /* Try to recover after the failure */
7524 if (bnx2x_process_kill(bp)) {
7525 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7526 bp->dev->name);
7527 rc = -EAGAIN;
7528 goto exit_leader_reset;
7529 }
7530
7531 /* Clear "reset is in progress" bit and update the driver state */
7532 bnx2x_set_reset_done(bp);
7533 bp->recovery_state = BNX2X_RECOVERY_DONE;
7534
7535exit_leader_reset:
7536 bp->is_leader = 0;
7537 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7538 smp_wmb();
7539 return rc;
7540}
7541
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007542/* Assumption: runs under rtnl lock. This together with the fact
7543 * that it's called only from bnx2x_reset_task() ensure that it
7544 * will never be called when netif_running(bp->dev) is false.
7545 */
7546static void bnx2x_parity_recover(struct bnx2x *bp)
7547{
7548 DP(NETIF_MSG_HW, "Handling parity\n");
7549 while (1) {
7550 switch (bp->recovery_state) {
7551 case BNX2X_RECOVERY_INIT:
7552 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7553 /* Try to get a LEADER_LOCK HW lock */
7554 if (bnx2x_trylock_hw_lock(bp,
7555 HW_LOCK_RESOURCE_RESERVED_08))
7556 bp->is_leader = 1;
7557
7558 /* Stop the driver */
7559 /* If interface has been removed - break */
7560 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7561 return;
7562
7563 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7564 /* Ensure "is_leader" and "recovery_state"
7565 * update values are seen on other CPUs
7566 */
7567 smp_wmb();
7568 break;
7569
7570 case BNX2X_RECOVERY_WAIT:
7571 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7572 if (bp->is_leader) {
7573 u32 load_counter = bnx2x_get_load_cnt(bp);
7574 if (load_counter) {
7575 /* Wait until all other functions get
7576 * down.
7577 */
7578 schedule_delayed_work(&bp->reset_task,
7579 HZ/10);
7580 return;
7581 } else {
7582 /* If all other functions got down -
7583 * try to bring the chip back to
7584 * normal. In any case it's an exit
7585 * point for a leader.
7586 */
7587 if (bnx2x_leader_reset(bp) ||
7588 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7589 printk(KERN_ERR"%s: Recovery "
7590 "has failed. Power cycle is "
7591 "needed.\n", bp->dev->name);
7592 /* Disconnect this device */
7593 netif_device_detach(bp->dev);
7594 /* Block ifup for all function
7595 * of this ASIC until
7596 * "process kill" or power
7597 * cycle.
7598 */
7599 bnx2x_set_reset_in_progress(bp);
7600 /* Shut down the power */
7601 bnx2x_set_power_state(bp,
7602 PCI_D3hot);
7603 return;
7604 }
7605
7606 return;
7607 }
7608 } else { /* non-leader */
7609 if (!bnx2x_reset_is_done(bp)) {
7610 /* Try to get a LEADER_LOCK HW lock as
7611 * long as a former leader may have
7612 * been unloaded by the user or
7613 * released a leadership by another
7614 * reason.
7615 */
7616 if (bnx2x_trylock_hw_lock(bp,
7617 HW_LOCK_RESOURCE_RESERVED_08)) {
7618 /* I'm a leader now! Restart a
7619 * switch case.
7620 */
7621 bp->is_leader = 1;
7622 break;
7623 }
7624
7625 schedule_delayed_work(&bp->reset_task,
7626 HZ/10);
7627 return;
7628
7629 } else { /* A leader has completed
7630 * the "process kill". It's an exit
7631 * point for a non-leader.
7632 */
7633 bnx2x_nic_load(bp, LOAD_NORMAL);
7634 bp->recovery_state =
7635 BNX2X_RECOVERY_DONE;
7636 smp_wmb();
7637 return;
7638 }
7639 }
7640 default:
7641 return;
7642 }
7643 }
7644}
7645
7646/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7647 * scheduled on a general queue in order to prevent a dead lock.
7648 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007649static void bnx2x_reset_task(struct work_struct *work)
7650{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007651 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007652
7653#ifdef BNX2X_STOP_ON_ERROR
7654 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7655 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007656 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007657 return;
7658#endif
7659
7660 rtnl_lock();
7661
7662 if (!netif_running(bp->dev))
7663 goto reset_task_exit;
7664
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007665 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7666 bnx2x_parity_recover(bp);
7667 else {
7668 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7669 bnx2x_nic_load(bp, LOAD_NORMAL);
7670 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007671
7672reset_task_exit:
7673 rtnl_unlock();
7674}
7675
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007676/* end of nic load/unload */
7677
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007678/*
7679 * Init service functions
7680 */
7681
stephen hemminger8d962862010-10-21 07:50:56 +00007682static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007683{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007684 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7685 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7686 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007687}
7688
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007689static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007690{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007691 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007692
7693 /* Flush all outstanding writes */
7694 mmiowb();
7695
7696 /* Pretend to be function 0 */
7697 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007698 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007699
7700 /* From now we are in the "like-E1" mode */
7701 bnx2x_int_disable(bp);
7702
7703 /* Flush all outstanding writes */
7704 mmiowb();
7705
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007706 /* Restore the original function */
7707 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7708 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007709}
7710
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007711static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007712{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007713 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007714 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007715 else
7716 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007717}
7718
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007719static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007720{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007721 u32 val;
7722
7723 /* Check if there is any driver already loaded */
7724 val = REG_RD(bp, MISC_REG_UNPREPARED);
7725 if (val == 0x1) {
7726 /* Check if it is the UNDI driver
7727 * UNDI driver initializes CID offset for normal bell to 0x7
7728 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007729 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007730 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7731 if (val == 0x7) {
7732 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007733 /* save our pf_num */
7734 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007735 u32 swap_en;
7736 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007737
Eilon Greensteinb4661732009-01-14 06:43:56 +00007738 /* clear the UNDI indication */
7739 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7740
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007741 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7742
7743 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007744 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007745 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007746 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007747 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007748 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007749
7750 /* if UNDI is loaded on the other port */
7751 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7752
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007753 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007754 bnx2x_fw_command(bp,
7755 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007756
7757 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007758 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007759 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007760 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007761 DRV_MSG_SEQ_NUMBER_MASK);
7762 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007763
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007764 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007765 }
7766
Eilon Greensteinb4661732009-01-14 06:43:56 +00007767 /* now it's safe to release the lock */
7768 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7769
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007770 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007771
7772 /* close input traffic and wait for it */
7773 /* Do not rcv packets to BRB */
7774 REG_WR(bp,
7775 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7776 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7777 /* Do not direct rcv packets that are not for MCP to
7778 * the BRB */
7779 REG_WR(bp,
7780 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7781 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7782 /* clear AEU */
7783 REG_WR(bp,
7784 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7785 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7786 msleep(10);
7787
7788 /* save NIG port swap info */
7789 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7790 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007791 /* reset device */
7792 REG_WR(bp,
7793 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007794 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007795 REG_WR(bp,
7796 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7797 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007798 /* take the NIG out of reset and restore swap values */
7799 REG_WR(bp,
7800 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7801 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7802 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7803 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7804
7805 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007806 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007807
7808 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007809 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007810 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007811 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007812 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007813 } else
7814 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007815 }
7816}
7817
7818static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7819{
7820 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007821 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007822
7823 /* Get the chip revision id and number. */
7824 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7825 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7826 id = ((val & 0xffff) << 16);
7827 val = REG_RD(bp, MISC_REG_CHIP_REV);
7828 id |= ((val & 0xf) << 12);
7829 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7830 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007831 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007832 id |= (val & 0xf);
7833 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007834
7835 /* Set doorbell size */
7836 bp->db_size = (1 << BNX2X_DB_SHIFT);
7837
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007838 if (CHIP_IS_E2(bp)) {
7839 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7840 if ((val & 1) == 0)
7841 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7842 else
7843 val = (val >> 1) & 1;
7844 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7845 "2_PORT_MODE");
7846 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7847 CHIP_2_PORT_MODE;
7848
7849 if (CHIP_MODE_IS_4_PORT(bp))
7850 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7851 else
7852 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7853 } else {
7854 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7855 bp->pfid = bp->pf_num; /* 0..7 */
7856 }
7857
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007858 /*
7859 * set base FW non-default (fast path) status block id, this value is
7860 * used to initialize the fw_sb_id saved on the fp/queue structure to
7861 * determine the id used by the FW.
7862 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007863 if (CHIP_IS_E1x(bp))
7864 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7865 else /* E2 */
7866 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7867
7868 bp->link_params.chip_id = bp->common.chip_id;
7869 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007870
Eilon Greenstein1c063282009-02-12 08:36:43 +00007871 val = (REG_RD(bp, 0x2874) & 0x55);
7872 if ((bp->common.chip_id & 0x1) ||
7873 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7874 bp->flags |= ONE_PORT_FLAG;
7875 BNX2X_DEV_INFO("single port device\n");
7876 }
7877
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007878 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7879 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7880 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7881 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7882 bp->common.flash_size, bp->common.flash_size);
7883
7884 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007885 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7886 MISC_REG_GENERIC_CR_1 :
7887 MISC_REG_GENERIC_CR_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007888 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007889 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007890 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7891 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007892
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007893 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007894 BNX2X_DEV_INFO("MCP not active\n");
7895 bp->flags |= NO_MCP_FLAG;
7896 return;
7897 }
7898
7899 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7900 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7901 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007902 BNX2X_ERR("BAD MCP validity signature\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007903
7904 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007905 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007906
7907 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7908 SHARED_HW_CFG_LED_MODE_MASK) >>
7909 SHARED_HW_CFG_LED_MODE_SHIFT);
7910
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007911 bp->link_params.feature_config_flags = 0;
7912 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7913 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7914 bp->link_params.feature_config_flags |=
7915 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7916 else
7917 bp->link_params.feature_config_flags &=
7918 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7919
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007920 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7921 bp->common.bc_ver = val;
7922 BNX2X_DEV_INFO("bc_ver %X\n", val);
7923 if (val < BNX2X_BC_VER) {
7924 /* for now only warn
7925 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007926 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7927 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007928 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007929 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007930 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007931 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7932
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007933 bp->link_params.feature_config_flags |=
7934 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7935 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007936
7937 if (BP_E1HVN(bp) == 0) {
7938 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7939 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7940 } else {
7941 /* no WOL capability for E1HVN != 0 */
7942 bp->flags |= NO_WOL_FLAG;
7943 }
7944 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007945 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007946
7947 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7948 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7949 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7950 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7951
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007952 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7953 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007954}
7955
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007956#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7957#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7958
7959static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7960{
7961 int pfid = BP_FUNC(bp);
7962 int vn = BP_E1HVN(bp);
7963 int igu_sb_id;
7964 u32 val;
7965 u8 fid;
7966
7967 bp->igu_base_sb = 0xff;
7968 bp->igu_sb_cnt = 0;
7969 if (CHIP_INT_MODE_IS_BC(bp)) {
7970 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007971 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007972
7973 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7974 FP_SB_MAX_E1x;
7975
7976 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7977 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7978
7979 return;
7980 }
7981
7982 /* IGU in normal mode - read CAM */
7983 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7984 igu_sb_id++) {
7985 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7986 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7987 continue;
7988 fid = IGU_FID(val);
7989 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7990 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7991 continue;
7992 if (IGU_VEC(val) == 0)
7993 /* default status block */
7994 bp->igu_dsb_id = igu_sb_id;
7995 else {
7996 if (bp->igu_base_sb == 0xff)
7997 bp->igu_base_sb = igu_sb_id;
7998 bp->igu_sb_cnt++;
7999 }
8000 }
8001 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008002 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8003 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008004 if (bp->igu_sb_cnt == 0)
8005 BNX2X_ERR("CAM configuration error\n");
8006}
8007
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008008static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
8009 u32 switch_cfg)
8010{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008011 int cfg_size = 0, idx, port = BP_PORT(bp);
8012
8013 /* Aggregation of supported attributes of all external phys */
8014 bp->port.supported[0] = 0;
8015 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008016 switch (bp->link_params.num_phys) {
8017 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008018 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
8019 cfg_size = 1;
8020 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008021 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008022 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
8023 cfg_size = 1;
8024 break;
8025 case 3:
8026 if (bp->link_params.multi_phy_config &
8027 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
8028 bp->port.supported[1] =
8029 bp->link_params.phy[EXT_PHY1].supported;
8030 bp->port.supported[0] =
8031 bp->link_params.phy[EXT_PHY2].supported;
8032 } else {
8033 bp->port.supported[0] =
8034 bp->link_params.phy[EXT_PHY1].supported;
8035 bp->port.supported[1] =
8036 bp->link_params.phy[EXT_PHY2].supported;
8037 }
8038 cfg_size = 2;
8039 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008040 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008041
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008042 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008043 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008044 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008045 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008046 dev_info.port_hw_config[port].external_phy_config),
8047 SHMEM_RD(bp,
8048 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008049 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008050 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008051
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008052 switch (switch_cfg) {
8053 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008054 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8055 port*0x10);
8056 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008057 break;
8058
8059 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008060 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8061 port*0x18);
8062 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008063 break;
8064
8065 default:
8066 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008067 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008068 return;
8069 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008070 /* mask what we support according to speed_cap_mask per configuration */
8071 for (idx = 0; idx < cfg_size; idx++) {
8072 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008073 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008074 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008075
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008076 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008077 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008078 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008079
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008080 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008081 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008082 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008083
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008084 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008085 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008086 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008087
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008088 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008089 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008090 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008091 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008092
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008093 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008094 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008095 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008096
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008097 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008098 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008099 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008100
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008101 }
8102
8103 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8104 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008105}
8106
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008107static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008108{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008109 u32 link_config, idx, cfg_size = 0;
8110 bp->port.advertising[0] = 0;
8111 bp->port.advertising[1] = 0;
8112 switch (bp->link_params.num_phys) {
8113 case 1:
8114 case 2:
8115 cfg_size = 1;
8116 break;
8117 case 3:
8118 cfg_size = 2;
8119 break;
8120 }
8121 for (idx = 0; idx < cfg_size; idx++) {
8122 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8123 link_config = bp->port.link_config[idx];
8124 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008125 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008126 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8127 bp->link_params.req_line_speed[idx] =
8128 SPEED_AUTO_NEG;
8129 bp->port.advertising[idx] |=
8130 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008131 } else {
8132 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008133 bp->link_params.req_line_speed[idx] =
8134 SPEED_10000;
8135 bp->port.advertising[idx] |=
8136 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008137 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008138 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008139 }
8140 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008141
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008142 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008143 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8144 bp->link_params.req_line_speed[idx] =
8145 SPEED_10;
8146 bp->port.advertising[idx] |=
8147 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008148 ADVERTISED_TP);
8149 } else {
8150 BNX2X_ERROR("NVRAM config error. "
8151 "Invalid link_config 0x%x"
8152 " speed_cap_mask 0x%x\n",
8153 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008154 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008155 return;
8156 }
8157 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008158
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008159 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008160 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8161 bp->link_params.req_line_speed[idx] =
8162 SPEED_10;
8163 bp->link_params.req_duplex[idx] =
8164 DUPLEX_HALF;
8165 bp->port.advertising[idx] |=
8166 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008167 ADVERTISED_TP);
8168 } else {
8169 BNX2X_ERROR("NVRAM config error. "
8170 "Invalid link_config 0x%x"
8171 " speed_cap_mask 0x%x\n",
8172 link_config,
8173 bp->link_params.speed_cap_mask[idx]);
8174 return;
8175 }
8176 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008177
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008178 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8179 if (bp->port.supported[idx] &
8180 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008181 bp->link_params.req_line_speed[idx] =
8182 SPEED_100;
8183 bp->port.advertising[idx] |=
8184 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008185 ADVERTISED_TP);
8186 } else {
8187 BNX2X_ERROR("NVRAM config error. "
8188 "Invalid link_config 0x%x"
8189 " speed_cap_mask 0x%x\n",
8190 link_config,
8191 bp->link_params.speed_cap_mask[idx]);
8192 return;
8193 }
8194 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008195
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008196 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8197 if (bp->port.supported[idx] &
8198 SUPPORTED_100baseT_Half) {
8199 bp->link_params.req_line_speed[idx] =
8200 SPEED_100;
8201 bp->link_params.req_duplex[idx] =
8202 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008203 bp->port.advertising[idx] |=
8204 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008205 ADVERTISED_TP);
8206 } else {
8207 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008208 "Invalid link_config 0x%x"
8209 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008210 link_config,
8211 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008212 return;
8213 }
8214 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008215
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008216 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008217 if (bp->port.supported[idx] &
8218 SUPPORTED_1000baseT_Full) {
8219 bp->link_params.req_line_speed[idx] =
8220 SPEED_1000;
8221 bp->port.advertising[idx] |=
8222 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008223 ADVERTISED_TP);
8224 } else {
8225 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008226 "Invalid link_config 0x%x"
8227 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008228 link_config,
8229 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008230 return;
8231 }
8232 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008233
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008234 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008235 if (bp->port.supported[idx] &
8236 SUPPORTED_2500baseX_Full) {
8237 bp->link_params.req_line_speed[idx] =
8238 SPEED_2500;
8239 bp->port.advertising[idx] |=
8240 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008241 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008242 } else {
8243 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008244 "Invalid link_config 0x%x"
8245 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008246 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008247 bp->link_params.speed_cap_mask[idx]);
8248 return;
8249 }
8250 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008251
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008252 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8253 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8254 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008255 if (bp->port.supported[idx] &
8256 SUPPORTED_10000baseT_Full) {
8257 bp->link_params.req_line_speed[idx] =
8258 SPEED_10000;
8259 bp->port.advertising[idx] |=
8260 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008261 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008262 } else {
8263 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008264 "Invalid link_config 0x%x"
8265 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008266 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008267 bp->link_params.speed_cap_mask[idx]);
8268 return;
8269 }
8270 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008271
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008272 default:
8273 BNX2X_ERROR("NVRAM config error. "
8274 "BAD link speed link_config 0x%x\n",
8275 link_config);
8276 bp->link_params.req_line_speed[idx] =
8277 SPEED_AUTO_NEG;
8278 bp->port.advertising[idx] =
8279 bp->port.supported[idx];
8280 break;
8281 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008282
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008283 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008284 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008285 if ((bp->link_params.req_flow_ctrl[idx] ==
8286 BNX2X_FLOW_CTRL_AUTO) &&
8287 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8288 bp->link_params.req_flow_ctrl[idx] =
8289 BNX2X_FLOW_CTRL_NONE;
8290 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008291
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008292 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8293 " 0x%x advertising 0x%x\n",
8294 bp->link_params.req_line_speed[idx],
8295 bp->link_params.req_duplex[idx],
8296 bp->link_params.req_flow_ctrl[idx],
8297 bp->port.advertising[idx]);
8298 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008299}
8300
Michael Chane665bfda52009-10-10 13:46:54 +00008301static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8302{
8303 mac_hi = cpu_to_be16(mac_hi);
8304 mac_lo = cpu_to_be32(mac_lo);
8305 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8306 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8307}
8308
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008309static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008310{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008311 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008312 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008313 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008314
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008315 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008316 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008317
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008318 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008319 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008320
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008321 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008322 SHMEM_RD(bp,
8323 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008324 bp->link_params.speed_cap_mask[1] =
8325 SHMEM_RD(bp,
8326 dev_info.port_hw_config[port].speed_capability_mask2);
8327 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008328 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8329
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008330 bp->port.link_config[1] =
8331 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008332
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008333 bp->link_params.multi_phy_config =
8334 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008335 /* If the device is capable of WoL, set the default state according
8336 * to the HW
8337 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008338 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008339 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8340 (config & PORT_FEATURE_WOL_ENABLED));
8341
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008342 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008343 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008344 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008345 bp->link_params.speed_cap_mask[0],
8346 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008347
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008348 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008349 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008350 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008351 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008352
8353 bnx2x_link_settings_requested(bp);
8354
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008355 /*
8356 * If connected directly, work with the internal PHY, otherwise, work
8357 * with the external PHY
8358 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008359 ext_phy_config =
8360 SHMEM_RD(bp,
8361 dev_info.port_hw_config[port].external_phy_config);
8362 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008363 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008364 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008365
8366 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8367 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8368 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008369 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008370
8371 /*
8372 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8373 * In MF mode, it is set to cover self test cases
8374 */
8375 if (IS_MF(bp))
8376 bp->port.need_hw_lock = 1;
8377 else
8378 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8379 bp->common.shmem_base,
8380 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008381}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008382
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008383static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8384{
8385 u32 val, val2;
8386 int func = BP_ABS_FUNC(bp);
8387 int port = BP_PORT(bp);
8388
8389 if (BP_NOMCP(bp)) {
8390 BNX2X_ERROR("warning: random MAC workaround active\n");
8391 random_ether_addr(bp->dev->dev_addr);
8392 } else if (IS_MF(bp)) {
8393 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8394 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8395 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8396 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8397 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8398
8399#ifdef BCM_CNIC
8400 /* iSCSI NPAR MAC */
8401 if (IS_MF_SI(bp)) {
8402 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8403 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8404 val2 = MF_CFG_RD(bp, func_ext_config[func].
8405 iscsi_mac_addr_upper);
8406 val = MF_CFG_RD(bp, func_ext_config[func].
8407 iscsi_mac_addr_lower);
8408 bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
8409 }
8410 }
8411#endif
8412 } else {
8413 /* in SF read MACs from port configuration */
8414 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8415 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8416 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8417
8418#ifdef BCM_CNIC
8419 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8420 iscsi_mac_upper);
8421 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8422 iscsi_mac_lower);
8423 bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
8424#endif
8425 }
8426
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008427 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8428 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008429
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008430#ifdef BCM_CNIC
8431 /* Inform the upper layers about FCoE MAC */
8432 if (!CHIP_IS_E1x(bp)) {
8433 if (IS_MF_SD(bp))
8434 memcpy(bp->fip_mac, bp->dev->dev_addr,
8435 sizeof(bp->fip_mac));
8436 else
8437 memcpy(bp->fip_mac, bp->iscsi_mac,
8438 sizeof(bp->fip_mac));
8439 }
8440#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008441}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008442
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008443static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8444{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008445 int /*abs*/func = BP_ABS_FUNC(bp);
8446 int vn, port;
8447 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008448 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008449
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008450 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008451
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008452 if (CHIP_IS_E1x(bp)) {
8453 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008454
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008455 bp->igu_dsb_id = DEF_SB_IGU_ID;
8456 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008457 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8458 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008459 } else {
8460 bp->common.int_block = INT_BLOCK_IGU;
8461 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8462 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8463 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8464 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8465 } else
8466 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8467
8468 bnx2x_get_igu_cam_info(bp);
8469
8470 }
8471 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8472 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8473
8474 /*
8475 * Initialize MF configuration
8476 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008477
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008478 bp->mf_ov = 0;
8479 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008480 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008481 port = BP_PORT(bp);
8482
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008483 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008484 DP(NETIF_MSG_PROBE,
8485 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8486 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8487 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008488 if (SHMEM2_HAS(bp, mf_cfg_addr))
8489 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8490 else
8491 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008492 offsetof(struct shmem_region, func_mb) +
8493 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008494 /*
8495 * get mf configuration:
8496 * 1. existance of MF configuration
8497 * 2. MAC address must be legal (check only upper bytes)
8498 * for Switch-Independent mode;
8499 * OVLAN must be legal for Switch-Dependent mode
8500 * 3. SF_MODE configures specific MF mode
8501 */
8502 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8503 /* get mf configuration */
8504 val = SHMEM_RD(bp,
8505 dev_info.shared_feature_config.config);
8506 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008507
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008508 switch (val) {
8509 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8510 val = MF_CFG_RD(bp, func_mf_config[func].
8511 mac_upper);
8512 /* check for legal mac (upper bytes)*/
8513 if (val != 0xffff) {
8514 bp->mf_mode = MULTI_FUNCTION_SI;
8515 bp->mf_config[vn] = MF_CFG_RD(bp,
8516 func_mf_config[func].config);
8517 } else
8518 DP(NETIF_MSG_PROBE, "illegal MAC "
8519 "address for SI\n");
8520 break;
8521 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8522 /* get OV configuration */
8523 val = MF_CFG_RD(bp,
8524 func_mf_config[FUNC_0].e1hov_tag);
8525 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8526
8527 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8528 bp->mf_mode = MULTI_FUNCTION_SD;
8529 bp->mf_config[vn] = MF_CFG_RD(bp,
8530 func_mf_config[func].config);
8531 } else
8532 DP(NETIF_MSG_PROBE, "illegal OV for "
8533 "SD\n");
8534 break;
8535 default:
8536 /* Unknown configuration: reset mf_config */
8537 bp->mf_config[vn] = 0;
8538 DP(NETIF_MSG_PROBE, "Unkown MF mode 0x%x\n",
8539 val);
8540 }
8541 }
8542
Eilon Greenstein2691d512009-08-12 08:22:08 +00008543 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008544 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008545
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008546 switch (bp->mf_mode) {
8547 case MULTI_FUNCTION_SD:
8548 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8549 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008550 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008551 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008552 BNX2X_DEV_INFO("MF OV for func %d is %d"
8553 " (0x%04x)\n", func,
8554 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008555 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008556 BNX2X_ERR("No valid MF OV for func %d,"
8557 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008558 rc = -EPERM;
8559 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008560 break;
8561 case MULTI_FUNCTION_SI:
8562 BNX2X_DEV_INFO("func %d is in MF "
8563 "switch-independent mode\n", func);
8564 break;
8565 default:
8566 if (vn) {
8567 BNX2X_ERR("VN %d in single function mode,"
8568 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008569 rc = -EPERM;
8570 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008571 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008572 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008573
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008574 }
8575
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008576 /* adjust igu_sb_cnt to MF for E1x */
8577 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008578 bp->igu_sb_cnt /= E1HVN_MAX;
8579
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008580 /*
8581 * adjust E2 sb count: to be removed when FW will support
8582 * more then 16 L2 clients
8583 */
8584#define MAX_L2_CLIENTS 16
8585 if (CHIP_IS_E2(bp))
8586 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8587 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8588
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008589 if (!BP_NOMCP(bp)) {
8590 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008591
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008592 bp->fw_seq =
8593 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8594 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008595 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8596 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008597
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008598 /* Get MAC addresses */
8599 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008600
8601 return rc;
8602}
8603
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008604static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8605{
8606 int cnt, i, block_end, rodi;
8607 char vpd_data[BNX2X_VPD_LEN+1];
8608 char str_id_reg[VENDOR_ID_LEN+1];
8609 char str_id_cap[VENDOR_ID_LEN+1];
8610 u8 len;
8611
8612 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8613 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8614
8615 if (cnt < BNX2X_VPD_LEN)
8616 goto out_not_found;
8617
8618 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8619 PCI_VPD_LRDT_RO_DATA);
8620 if (i < 0)
8621 goto out_not_found;
8622
8623
8624 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8625 pci_vpd_lrdt_size(&vpd_data[i]);
8626
8627 i += PCI_VPD_LRDT_TAG_SIZE;
8628
8629 if (block_end > BNX2X_VPD_LEN)
8630 goto out_not_found;
8631
8632 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8633 PCI_VPD_RO_KEYWORD_MFR_ID);
8634 if (rodi < 0)
8635 goto out_not_found;
8636
8637 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8638
8639 if (len != VENDOR_ID_LEN)
8640 goto out_not_found;
8641
8642 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8643
8644 /* vendor specific info */
8645 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8646 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8647 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8648 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8649
8650 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8651 PCI_VPD_RO_KEYWORD_VENDOR0);
8652 if (rodi >= 0) {
8653 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8654
8655 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8656
8657 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8658 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8659 bp->fw_ver[len] = ' ';
8660 }
8661 }
8662 return;
8663 }
8664out_not_found:
8665 return;
8666}
8667
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008668static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8669{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008670 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008671 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008672 int rc;
8673
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008674 /* Disable interrupt handling until HW is initialized */
8675 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008676 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008677
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008678 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008679 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008680 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008681#ifdef BCM_CNIC
8682 mutex_init(&bp->cnic_mutex);
8683#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008684
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008685 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008686 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008687
8688 rc = bnx2x_get_hwinfo(bp);
8689
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008690 if (!rc)
8691 rc = bnx2x_alloc_mem_bp(bp);
8692
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008693 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008694
8695 func = BP_FUNC(bp);
8696
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008697 /* need to reset chip if undi was active */
8698 if (!BP_NOMCP(bp))
8699 bnx2x_undi_unload(bp);
8700
8701 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008702 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008703
8704 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008705 dev_err(&bp->pdev->dev, "MCP disabled, "
8706 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008707
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008708 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008709 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008710
Dmitry Kravkov4fd89b72010-04-01 19:45:34 -07008711 bp->dev->features |= NETIF_F_GRO;
8712
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008713 /* Set TPA flags */
8714 if (disable_tpa) {
8715 bp->flags &= ~TPA_ENABLE_FLAG;
8716 bp->dev->features &= ~NETIF_F_LRO;
8717 } else {
8718 bp->flags |= TPA_ENABLE_FLAG;
8719 bp->dev->features |= NETIF_F_LRO;
8720 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008721 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008722
Eilon Greensteina18f5122009-08-12 08:23:26 +00008723 if (CHIP_IS_E1(bp))
8724 bp->dropless_fc = 0;
8725 else
8726 bp->dropless_fc = dropless_fc;
8727
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008728 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008729
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008730 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008731
8732 bp->rx_csum = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008733
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008734 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008735 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8736 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008737
Eilon Greenstein87942b42009-02-12 08:36:49 +00008738 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8739 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008740
8741 init_timer(&bp->timer);
8742 bp->timer.expires = jiffies + bp->current_interval;
8743 bp->timer.data = (unsigned long) bp;
8744 bp->timer.function = bnx2x_timer;
8745
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008746 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008747 bnx2x_dcbx_init_params(bp);
8748
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008749 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008750}
8751
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008752
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008753/****************************************************************************
8754* General service functions
8755****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008756
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008757/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008758static int bnx2x_open(struct net_device *dev)
8759{
8760 struct bnx2x *bp = netdev_priv(dev);
8761
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008762 netif_carrier_off(dev);
8763
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008764 bnx2x_set_power_state(bp, PCI_D0);
8765
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008766 if (!bnx2x_reset_is_done(bp)) {
8767 do {
8768 /* Reset MCP mail box sequence if there is on going
8769 * recovery
8770 */
8771 bp->fw_seq = 0;
8772
8773 /* If it's the first function to load and reset done
8774 * is still not cleared it may mean that. We don't
8775 * check the attention state here because it may have
8776 * already been cleared by a "common" reset but we
8777 * shell proceed with "process kill" anyway.
8778 */
8779 if ((bnx2x_get_load_cnt(bp) == 0) &&
8780 bnx2x_trylock_hw_lock(bp,
8781 HW_LOCK_RESOURCE_RESERVED_08) &&
8782 (!bnx2x_leader_reset(bp))) {
8783 DP(NETIF_MSG_HW, "Recovered in open\n");
8784 break;
8785 }
8786
8787 bnx2x_set_power_state(bp, PCI_D3hot);
8788
8789 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8790 " completed yet. Try again later. If u still see this"
8791 " message after a few retries then power cycle is"
8792 " required.\n", bp->dev->name);
8793
8794 return -EAGAIN;
8795 } while (0);
8796 }
8797
8798 bp->recovery_state = BNX2X_RECOVERY_DONE;
8799
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008800 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008801}
8802
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008803/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008804static int bnx2x_close(struct net_device *dev)
8805{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008806 struct bnx2x *bp = netdev_priv(dev);
8807
8808 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008809 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008810 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008811
8812 return 0;
8813}
8814
Eilon Greensteinf5372252009-02-12 08:38:30 +00008815/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008816void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008817{
8818 struct bnx2x *bp = netdev_priv(dev);
8819 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
8820 int port = BP_PORT(bp);
8821
8822 if (bp->state != BNX2X_STATE_OPEN) {
8823 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8824 return;
8825 }
8826
8827 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8828
8829 if (dev->flags & IFF_PROMISC)
8830 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008831 else if ((dev->flags & IFF_ALLMULTI) ||
Jiri Pirko4cd24ea2010-02-08 04:30:35 +00008832 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
8833 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008834 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008835 else { /* some multicasts */
8836 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008837 /*
8838 * set mc list, do not wait as wait implies sleep
8839 * and set_rx_mode can be invoked from non-sleepable
8840 * context
8841 */
8842 u8 offset = (CHIP_REV_IS_SLOW(bp) ?
8843 BNX2X_MAX_EMUL_MULTI*(1 + port) :
8844 BNX2X_MAX_MULTICAST*(1 + port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008845
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008846 bnx2x_set_e1_mc_list(bp, offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008847 } else { /* E1H */
8848 /* Accept one or more multicasts */
Jiri Pirko22bedad2010-04-01 21:22:57 +00008849 struct netdev_hw_addr *ha;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008850 u32 mc_filter[MC_HASH_SIZE];
8851 u32 crc, bit, regidx;
8852 int i;
8853
8854 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
8855
Jiri Pirko22bedad2010-04-01 21:22:57 +00008856 netdev_for_each_mc_addr(ha, dev) {
Johannes Berg7c510e42008-10-27 17:47:26 -07008857 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008858 bnx2x_mc_addr(ha));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008859
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008860 crc = crc32c_le(0, bnx2x_mc_addr(ha),
8861 ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008862 bit = (crc >> 24) & 0xff;
8863 regidx = bit >> 5;
8864 bit &= 0x1f;
8865 mc_filter[regidx] |= (1 << bit);
8866 }
8867
8868 for (i = 0; i < MC_HASH_SIZE; i++)
8869 REG_WR(bp, MC_HASH_OFFSET(bp, i),
8870 mc_filter[i]);
8871 }
8872 }
8873
8874 bp->rx_mode = rx_mode;
8875 bnx2x_set_storm_rx_mode(bp);
8876}
8877
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008878/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008879static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8880 int devad, u16 addr)
8881{
8882 struct bnx2x *bp = netdev_priv(netdev);
8883 u16 value;
8884 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008885
8886 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
8887 prtad, devad, addr);
8888
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008889 /* The HW expects different devad if CL22 is used */
8890 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8891
8892 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008893 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008894 bnx2x_release_phy_lock(bp);
8895 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
8896
8897 if (!rc)
8898 rc = value;
8899 return rc;
8900}
8901
8902/* called with rtnl_lock */
8903static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
8904 u16 addr, u16 value)
8905{
8906 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008907 int rc;
8908
8909 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
8910 " value 0x%x\n", prtad, devad, addr, value);
8911
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008912 /* The HW expects different devad if CL22 is used */
8913 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8914
8915 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008916 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008917 bnx2x_release_phy_lock(bp);
8918 return rc;
8919}
8920
8921/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008922static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
8923{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008924 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008925 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008926
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008927 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
8928 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008929
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008930 if (!netif_running(dev))
8931 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008932
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008933 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008934}
8935
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008936#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008937static void poll_bnx2x(struct net_device *dev)
8938{
8939 struct bnx2x *bp = netdev_priv(dev);
8940
8941 disable_irq(bp->pdev->irq);
8942 bnx2x_interrupt(bp->pdev->irq, dev);
8943 enable_irq(bp->pdev->irq);
8944}
8945#endif
8946
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08008947static const struct net_device_ops bnx2x_netdev_ops = {
8948 .ndo_open = bnx2x_open,
8949 .ndo_stop = bnx2x_close,
8950 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00008951 .ndo_select_queue = bnx2x_select_queue,
Eilon Greenstein356e2382009-02-12 08:38:32 +00008952 .ndo_set_multicast_list = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08008953 .ndo_set_mac_address = bnx2x_change_mac_addr,
8954 .ndo_validate_addr = eth_validate_addr,
8955 .ndo_do_ioctl = bnx2x_ioctl,
8956 .ndo_change_mtu = bnx2x_change_mtu,
8957 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008958#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08008959 .ndo_poll_controller = poll_bnx2x,
8960#endif
8961};
8962
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008963static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
8964 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008965{
8966 struct bnx2x *bp;
8967 int rc;
8968
8969 SET_NETDEV_DEV(dev, &pdev->dev);
8970 bp = netdev_priv(dev);
8971
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008972 bp->dev = dev;
8973 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008974 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008975 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008976
8977 rc = pci_enable_device(pdev);
8978 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008979 dev_err(&bp->pdev->dev,
8980 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008981 goto err_out;
8982 }
8983
8984 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008985 dev_err(&bp->pdev->dev,
8986 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008987 rc = -ENODEV;
8988 goto err_out_disable;
8989 }
8990
8991 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008992 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
8993 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008994 rc = -ENODEV;
8995 goto err_out_disable;
8996 }
8997
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008998 if (atomic_read(&pdev->enable_cnt) == 1) {
8999 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9000 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009001 dev_err(&bp->pdev->dev,
9002 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009003 goto err_out_disable;
9004 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009005
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009006 pci_set_master(pdev);
9007 pci_save_state(pdev);
9008 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009009
9010 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9011 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009012 dev_err(&bp->pdev->dev,
9013 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009014 rc = -EIO;
9015 goto err_out_release;
9016 }
9017
9018 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9019 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009020 dev_err(&bp->pdev->dev,
9021 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009022 rc = -EIO;
9023 goto err_out_release;
9024 }
9025
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009026 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009027 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009028 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009029 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9030 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009031 rc = -EIO;
9032 goto err_out_release;
9033 }
9034
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009035 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009036 dev_err(&bp->pdev->dev,
9037 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009038 rc = -EIO;
9039 goto err_out_release;
9040 }
9041
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009042 dev->mem_start = pci_resource_start(pdev, 0);
9043 dev->base_addr = dev->mem_start;
9044 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009045
9046 dev->irq = pdev->irq;
9047
Arjan van de Ven275f1652008-10-20 21:42:39 -07009048 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009049 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009050 dev_err(&bp->pdev->dev,
9051 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009052 rc = -ENOMEM;
9053 goto err_out_release;
9054 }
9055
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009056 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009057 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009058 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009059 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009060 dev_err(&bp->pdev->dev,
9061 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009062 rc = -ENOMEM;
9063 goto err_out_unmap;
9064 }
9065
9066 bnx2x_set_power_state(bp, PCI_D0);
9067
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009068 /* clean indirect addresses */
9069 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9070 PCICFG_VENDOR_ID_OFFSET);
9071 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9072 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9073 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9074 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009075
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009076 /* Reset the load counter */
9077 bnx2x_clear_load_cnt(bp);
9078
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009079 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009080
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009081 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009082 bnx2x_set_ethtool_ops(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009083 dev->features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009084 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009085 if (bp->flags & USING_DAC_FLAG)
9086 dev->features |= NETIF_F_HIGHDMA;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009087 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9088 dev->features |= NETIF_F_TSO6;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009089 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009090
9091 dev->vlan_features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009092 dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009093 if (bp->flags & USING_DAC_FLAG)
9094 dev->vlan_features |= NETIF_F_HIGHDMA;
9095 dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9096 dev->vlan_features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009097
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009098#ifdef BCM_DCB
9099 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9100#endif
9101
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009102 /* get_port_hwinfo() will set prtad and mmds properly */
9103 bp->mdio.prtad = MDIO_PRTAD_NONE;
9104 bp->mdio.mmds = 0;
9105 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9106 bp->mdio.dev = dev;
9107 bp->mdio.mdio_read = bnx2x_mdio_read;
9108 bp->mdio.mdio_write = bnx2x_mdio_write;
9109
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009110 return 0;
9111
9112err_out_unmap:
9113 if (bp->regview) {
9114 iounmap(bp->regview);
9115 bp->regview = NULL;
9116 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009117 if (bp->doorbells) {
9118 iounmap(bp->doorbells);
9119 bp->doorbells = NULL;
9120 }
9121
9122err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009123 if (atomic_read(&pdev->enable_cnt) == 1)
9124 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009125
9126err_out_disable:
9127 pci_disable_device(pdev);
9128 pci_set_drvdata(pdev, NULL);
9129
9130err_out:
9131 return rc;
9132}
9133
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009134static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9135 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009136{
9137 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9138
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009139 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9140
9141 /* return value of 1=2.5GHz 2=5GHz */
9142 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009143}
9144
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009145static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009146{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009147 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009148 struct bnx2x_fw_file_hdr *fw_hdr;
9149 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009150 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009151 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009152 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009153 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009154
9155 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9156 return -EINVAL;
9157
9158 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9159 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9160
9161 /* Make sure none of the offsets and sizes make us read beyond
9162 * the end of the firmware data */
9163 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9164 offset = be32_to_cpu(sections[i].offset);
9165 len = be32_to_cpu(sections[i].len);
9166 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009167 dev_err(&bp->pdev->dev,
9168 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009169 return -EINVAL;
9170 }
9171 }
9172
9173 /* Likewise for the init_ops offsets */
9174 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9175 ops_offsets = (u16 *)(firmware->data + offset);
9176 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9177
9178 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9179 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009180 dev_err(&bp->pdev->dev,
9181 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009182 return -EINVAL;
9183 }
9184 }
9185
9186 /* Check FW version */
9187 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9188 fw_ver = firmware->data + offset;
9189 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9190 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9191 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9192 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009193 dev_err(&bp->pdev->dev,
9194 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009195 fw_ver[0], fw_ver[1], fw_ver[2],
9196 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9197 BCM_5710_FW_MINOR_VERSION,
9198 BCM_5710_FW_REVISION_VERSION,
9199 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009200 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009201 }
9202
9203 return 0;
9204}
9205
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009206static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009207{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009208 const __be32 *source = (const __be32 *)_source;
9209 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009210 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009211
9212 for (i = 0; i < n/4; i++)
9213 target[i] = be32_to_cpu(source[i]);
9214}
9215
9216/*
9217 Ops array is stored in the following format:
9218 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9219 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009220static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009221{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009222 const __be32 *source = (const __be32 *)_source;
9223 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009224 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009225
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009226 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009227 tmp = be32_to_cpu(source[j]);
9228 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009229 target[i].offset = tmp & 0xffffff;
9230 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009231 }
9232}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009233
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009234/**
9235 * IRO array is stored in the following format:
9236 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9237 */
9238static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9239{
9240 const __be32 *source = (const __be32 *)_source;
9241 struct iro *target = (struct iro *)_target;
9242 u32 i, j, tmp;
9243
9244 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9245 target[i].base = be32_to_cpu(source[j]);
9246 j++;
9247 tmp = be32_to_cpu(source[j]);
9248 target[i].m1 = (tmp >> 16) & 0xffff;
9249 target[i].m2 = tmp & 0xffff;
9250 j++;
9251 tmp = be32_to_cpu(source[j]);
9252 target[i].m3 = (tmp >> 16) & 0xffff;
9253 target[i].size = tmp & 0xffff;
9254 j++;
9255 }
9256}
9257
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009258static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009259{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009260 const __be16 *source = (const __be16 *)_source;
9261 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009262 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009263
9264 for (i = 0; i < n/2; i++)
9265 target[i] = be16_to_cpu(source[i]);
9266}
9267
Joe Perches7995c642010-02-17 15:01:52 +00009268#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9269do { \
9270 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9271 bp->arr = kmalloc(len, GFP_KERNEL); \
9272 if (!bp->arr) { \
9273 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9274 goto lbl; \
9275 } \
9276 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9277 (u8 *)bp->arr, len); \
9278} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009279
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009280int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009281{
Ben Hutchings45229b42009-11-07 11:53:39 +00009282 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009283 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009284 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009285
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009286 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009287 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009288 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009289 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009290 else if (CHIP_IS_E2(bp))
9291 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009292 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009293 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009294 return -EINVAL;
9295 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009296
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009297 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009298
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009299 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009300 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009301 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009302 goto request_firmware_exit;
9303 }
9304
9305 rc = bnx2x_check_firmware(bp);
9306 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009307 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009308 goto request_firmware_exit;
9309 }
9310
9311 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9312
9313 /* Initialize the pointers to the init arrays */
9314 /* Blob */
9315 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9316
9317 /* Opcodes */
9318 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9319
9320 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009321 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9322 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009323
9324 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009325 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9326 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9327 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9328 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9329 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9330 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9331 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9332 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9333 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9334 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9335 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9336 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9337 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9338 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9339 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9340 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009341 /* IRO */
9342 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009343
9344 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009345
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009346iro_alloc_err:
9347 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009348init_offsets_alloc_err:
9349 kfree(bp->init_ops);
9350init_ops_alloc_err:
9351 kfree(bp->init_data);
9352request_firmware_exit:
9353 release_firmware(bp->firmware);
9354
9355 return rc;
9356}
9357
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009358static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9359{
9360 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009361
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009362#ifdef BCM_CNIC
9363 cid_count += CNIC_CID_MAX;
9364#endif
9365 return roundup(cid_count, QM_CID_ROUND);
9366}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009367
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009368static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9369 const struct pci_device_id *ent)
9370{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009371 struct net_device *dev = NULL;
9372 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009373 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009374 int rc, cid_count;
9375
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009376 switch (ent->driver_data) {
9377 case BCM57710:
9378 case BCM57711:
9379 case BCM57711E:
9380 cid_count = FP_SB_MAX_E1x;
9381 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009382
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009383 case BCM57712:
9384 case BCM57712E:
9385 cid_count = FP_SB_MAX_E2;
9386 break;
9387
9388 default:
9389 pr_err("Unknown board_type (%ld), aborting\n",
9390 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009391 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009392 }
9393
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009394 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009395
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009396 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009397 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009398 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009399 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009400 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009401 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009402
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009403 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009404 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009405
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009406 pci_set_drvdata(pdev, dev);
9407
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009408 bp->l2_cid_count = cid_count;
9409
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009410 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009411 if (rc < 0) {
9412 free_netdev(dev);
9413 return rc;
9414 }
9415
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009416 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009417 if (rc)
9418 goto init_one_exit;
9419
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009420 /* calc qm_cid_count */
9421 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9422
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009423#ifdef BCM_CNIC
9424 /* disable FCOE L2 queue for E1x*/
9425 if (CHIP_IS_E1x(bp))
9426 bp->flags |= NO_FCOE_FLAG;
9427
9428#endif
9429
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009430 /* Configure interupt mode: try to enable MSI-X/MSI if
9431 * needed, set bp->num_queues appropriately.
9432 */
9433 bnx2x_set_int_mode(bp);
9434
9435 /* Add all NAPI objects */
9436 bnx2x_add_all_napi(bp);
9437
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009438 rc = register_netdev(dev);
9439 if (rc) {
9440 dev_err(&pdev->dev, "Cannot register net device\n");
9441 goto init_one_exit;
9442 }
9443
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009444#ifdef BCM_CNIC
9445 if (!NO_FCOE(bp)) {
9446 /* Add storage MAC address */
9447 rtnl_lock();
9448 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9449 rtnl_unlock();
9450 }
9451#endif
9452
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009453 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009454
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009455 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9456 " IRQ %d, ", board_info[ent->driver_data].name,
9457 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009458 pcie_width,
9459 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9460 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9461 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009462 dev->base_addr, bp->pdev->irq);
9463 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009464
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009465 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009466
9467init_one_exit:
9468 if (bp->regview)
9469 iounmap(bp->regview);
9470
9471 if (bp->doorbells)
9472 iounmap(bp->doorbells);
9473
9474 free_netdev(dev);
9475
9476 if (atomic_read(&pdev->enable_cnt) == 1)
9477 pci_release_regions(pdev);
9478
9479 pci_disable_device(pdev);
9480 pci_set_drvdata(pdev, NULL);
9481
9482 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009483}
9484
9485static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9486{
9487 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009488 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009489
Eliezer Tamir228241e2008-02-28 11:56:57 -08009490 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009491 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009492 return;
9493 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009494 bp = netdev_priv(dev);
9495
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009496#ifdef BCM_CNIC
9497 /* Delete storage MAC address */
9498 if (!NO_FCOE(bp)) {
9499 rtnl_lock();
9500 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9501 rtnl_unlock();
9502 }
9503#endif
9504
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009505 unregister_netdev(dev);
9506
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009507 /* Delete all NAPI objects */
9508 bnx2x_del_all_napi(bp);
9509
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009510 /* Power on: we can't let PCI layer write to us while we are in D3 */
9511 bnx2x_set_power_state(bp, PCI_D0);
9512
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009513 /* Disable MSI/MSI-X */
9514 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009515
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009516 /* Power off */
9517 bnx2x_set_power_state(bp, PCI_D3hot);
9518
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009519 /* Make sure RESET task is not scheduled before continuing */
9520 cancel_delayed_work_sync(&bp->reset_task);
9521
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009522 if (bp->regview)
9523 iounmap(bp->regview);
9524
9525 if (bp->doorbells)
9526 iounmap(bp->doorbells);
9527
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009528 bnx2x_free_mem_bp(bp);
9529
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009530 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009531
9532 if (atomic_read(&pdev->enable_cnt) == 1)
9533 pci_release_regions(pdev);
9534
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009535 pci_disable_device(pdev);
9536 pci_set_drvdata(pdev, NULL);
9537}
9538
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009539static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9540{
9541 int i;
9542
9543 bp->state = BNX2X_STATE_ERROR;
9544
9545 bp->rx_mode = BNX2X_RX_MODE_NONE;
9546
9547 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009548 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009549
9550 del_timer_sync(&bp->timer);
9551 bp->stats_state = STATS_STATE_DISABLED;
9552 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9553
9554 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009555 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009556
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009557 /* Free SKBs, SGEs, TPA pool and driver internals */
9558 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009559
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009560 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009561 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009562
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009563 bnx2x_free_mem(bp);
9564
9565 bp->state = BNX2X_STATE_CLOSED;
9566
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009567 return 0;
9568}
9569
9570static void bnx2x_eeh_recover(struct bnx2x *bp)
9571{
9572 u32 val;
9573
9574 mutex_init(&bp->port.phy_mutex);
9575
9576 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9577 bp->link_params.shmem_base = bp->common.shmem_base;
9578 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9579
9580 if (!bp->common.shmem_base ||
9581 (bp->common.shmem_base < 0xA0000) ||
9582 (bp->common.shmem_base >= 0xC0000)) {
9583 BNX2X_DEV_INFO("MCP not active\n");
9584 bp->flags |= NO_MCP_FLAG;
9585 return;
9586 }
9587
9588 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9589 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9590 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9591 BNX2X_ERR("BAD MCP validity signature\n");
9592
9593 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009594 bp->fw_seq =
9595 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9596 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009597 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9598 }
9599}
9600
Wendy Xiong493adb12008-06-23 20:36:22 -07009601/**
9602 * bnx2x_io_error_detected - called when PCI error is detected
9603 * @pdev: Pointer to PCI device
9604 * @state: The current pci connection state
9605 *
9606 * This function is called after a PCI bus error affecting
9607 * this device has been detected.
9608 */
9609static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9610 pci_channel_state_t state)
9611{
9612 struct net_device *dev = pci_get_drvdata(pdev);
9613 struct bnx2x *bp = netdev_priv(dev);
9614
9615 rtnl_lock();
9616
9617 netif_device_detach(dev);
9618
Dean Nelson07ce50e2009-07-31 09:13:25 +00009619 if (state == pci_channel_io_perm_failure) {
9620 rtnl_unlock();
9621 return PCI_ERS_RESULT_DISCONNECT;
9622 }
9623
Wendy Xiong493adb12008-06-23 20:36:22 -07009624 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009625 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009626
9627 pci_disable_device(pdev);
9628
9629 rtnl_unlock();
9630
9631 /* Request a slot reset */
9632 return PCI_ERS_RESULT_NEED_RESET;
9633}
9634
9635/**
9636 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9637 * @pdev: Pointer to PCI device
9638 *
9639 * Restart the card from scratch, as if from a cold-boot.
9640 */
9641static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9642{
9643 struct net_device *dev = pci_get_drvdata(pdev);
9644 struct bnx2x *bp = netdev_priv(dev);
9645
9646 rtnl_lock();
9647
9648 if (pci_enable_device(pdev)) {
9649 dev_err(&pdev->dev,
9650 "Cannot re-enable PCI device after reset\n");
9651 rtnl_unlock();
9652 return PCI_ERS_RESULT_DISCONNECT;
9653 }
9654
9655 pci_set_master(pdev);
9656 pci_restore_state(pdev);
9657
9658 if (netif_running(dev))
9659 bnx2x_set_power_state(bp, PCI_D0);
9660
9661 rtnl_unlock();
9662
9663 return PCI_ERS_RESULT_RECOVERED;
9664}
9665
9666/**
9667 * bnx2x_io_resume - called when traffic can start flowing again
9668 * @pdev: Pointer to PCI device
9669 *
9670 * This callback is called when the error recovery driver tells us that
9671 * its OK to resume normal operation.
9672 */
9673static void bnx2x_io_resume(struct pci_dev *pdev)
9674{
9675 struct net_device *dev = pci_get_drvdata(pdev);
9676 struct bnx2x *bp = netdev_priv(dev);
9677
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009678 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009679 printk(KERN_ERR "Handling parity error recovery. "
9680 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009681 return;
9682 }
9683
Wendy Xiong493adb12008-06-23 20:36:22 -07009684 rtnl_lock();
9685
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009686 bnx2x_eeh_recover(bp);
9687
Wendy Xiong493adb12008-06-23 20:36:22 -07009688 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009689 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009690
9691 netif_device_attach(dev);
9692
9693 rtnl_unlock();
9694}
9695
9696static struct pci_error_handlers bnx2x_err_handler = {
9697 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009698 .slot_reset = bnx2x_io_slot_reset,
9699 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009700};
9701
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009702static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009703 .name = DRV_MODULE_NAME,
9704 .id_table = bnx2x_pci_tbl,
9705 .probe = bnx2x_init_one,
9706 .remove = __devexit_p(bnx2x_remove_one),
9707 .suspend = bnx2x_suspend,
9708 .resume = bnx2x_resume,
9709 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009710};
9711
9712static int __init bnx2x_init(void)
9713{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009714 int ret;
9715
Joe Perches7995c642010-02-17 15:01:52 +00009716 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009717
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009718 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9719 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009720 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009721 return -ENOMEM;
9722 }
9723
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009724 ret = pci_register_driver(&bnx2x_pci_driver);
9725 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009726 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009727 destroy_workqueue(bnx2x_wq);
9728 }
9729 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009730}
9731
9732static void __exit bnx2x_cleanup(void)
9733{
9734 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009735
9736 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009737}
9738
9739module_init(bnx2x_init);
9740module_exit(bnx2x_cleanup);
9741
Michael Chan993ac7b2009-10-10 13:46:56 +00009742#ifdef BCM_CNIC
9743
9744/* count denotes the number of new completions we have seen */
9745static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9746{
9747 struct eth_spe *spe;
9748
9749#ifdef BNX2X_STOP_ON_ERROR
9750 if (unlikely(bp->panic))
9751 return;
9752#endif
9753
9754 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009755 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009756 bp->cnic_spq_pending -= count;
9757
Michael Chan993ac7b2009-10-10 13:46:56 +00009758
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009759 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9760 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9761 & SPE_HDR_CONN_TYPE) >>
9762 SPE_HDR_CONN_TYPE_SHIFT;
9763
9764 /* Set validation for iSCSI L2 client before sending SETUP
9765 * ramrod
9766 */
9767 if (type == ETH_CONNECTION_TYPE) {
9768 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9769 hdr.conn_and_cmd_data) >>
9770 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9771
9772 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9773 bnx2x_set_ctx_validation(&bp->context.
9774 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9775 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9776 }
9777
9778 /* There may be not more than 8 L2 and COMMON SPEs and not more
9779 * than 8 L5 SPEs in the air.
9780 */
9781 if ((type == NONE_CONNECTION_TYPE) ||
9782 (type == ETH_CONNECTION_TYPE)) {
9783 if (!atomic_read(&bp->spq_left))
9784 break;
9785 else
9786 atomic_dec(&bp->spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009787 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9788 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009789 if (bp->cnic_spq_pending >=
9790 bp->cnic_eth_dev.max_kwqe_pending)
9791 break;
9792 else
9793 bp->cnic_spq_pending++;
9794 } else {
9795 BNX2X_ERR("Unknown SPE type: %d\n", type);
9796 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009797 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009798 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009799
9800 spe = bnx2x_sp_get_next(bp);
9801 *spe = *bp->cnic_kwq_cons;
9802
Michael Chan993ac7b2009-10-10 13:46:56 +00009803 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9804 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9805
9806 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9807 bp->cnic_kwq_cons = bp->cnic_kwq;
9808 else
9809 bp->cnic_kwq_cons++;
9810 }
9811 bnx2x_sp_prod_update(bp);
9812 spin_unlock_bh(&bp->spq_lock);
9813}
9814
9815static int bnx2x_cnic_sp_queue(struct net_device *dev,
9816 struct kwqe_16 *kwqes[], u32 count)
9817{
9818 struct bnx2x *bp = netdev_priv(dev);
9819 int i;
9820
9821#ifdef BNX2X_STOP_ON_ERROR
9822 if (unlikely(bp->panic))
9823 return -EIO;
9824#endif
9825
9826 spin_lock_bh(&bp->spq_lock);
9827
9828 for (i = 0; i < count; i++) {
9829 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9830
9831 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9832 break;
9833
9834 *bp->cnic_kwq_prod = *spe;
9835
9836 bp->cnic_kwq_pending++;
9837
9838 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9839 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009840 spe->data.update_data_addr.hi,
9841 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +00009842 bp->cnic_kwq_pending);
9843
9844 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9845 bp->cnic_kwq_prod = bp->cnic_kwq;
9846 else
9847 bp->cnic_kwq_prod++;
9848 }
9849
9850 spin_unlock_bh(&bp->spq_lock);
9851
9852 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9853 bnx2x_cnic_sp_post(bp, 0);
9854
9855 return i;
9856}
9857
9858static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9859{
9860 struct cnic_ops *c_ops;
9861 int rc = 0;
9862
9863 mutex_lock(&bp->cnic_mutex);
9864 c_ops = bp->cnic_ops;
9865 if (c_ops)
9866 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9867 mutex_unlock(&bp->cnic_mutex);
9868
9869 return rc;
9870}
9871
9872static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9873{
9874 struct cnic_ops *c_ops;
9875 int rc = 0;
9876
9877 rcu_read_lock();
9878 c_ops = rcu_dereference(bp->cnic_ops);
9879 if (c_ops)
9880 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9881 rcu_read_unlock();
9882
9883 return rc;
9884}
9885
9886/*
9887 * for commands that have no data
9888 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009889int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +00009890{
9891 struct cnic_ctl_info ctl = {0};
9892
9893 ctl.cmd = cmd;
9894
9895 return bnx2x_cnic_ctl_send(bp, &ctl);
9896}
9897
9898static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
9899{
9900 struct cnic_ctl_info ctl;
9901
9902 /* first we tell CNIC and only then we count this as a completion */
9903 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
9904 ctl.data.comp.cid = cid;
9905
9906 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009907 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +00009908}
9909
9910static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
9911{
9912 struct bnx2x *bp = netdev_priv(dev);
9913 int rc = 0;
9914
9915 switch (ctl->cmd) {
9916 case DRV_CTL_CTXTBL_WR_CMD: {
9917 u32 index = ctl->data.io.offset;
9918 dma_addr_t addr = ctl->data.io.dma_addr;
9919
9920 bnx2x_ilt_wr(bp, index, addr);
9921 break;
9922 }
9923
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009924 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
9925 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +00009926
9927 bnx2x_cnic_sp_post(bp, count);
9928 break;
9929 }
9930
9931 /* rtnl_lock is held. */
9932 case DRV_CTL_START_L2_CMD: {
9933 u32 cli = ctl->data.ring.client_id;
9934
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009935 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
9936 bnx2x_del_fcoe_eth_macs(bp);
9937
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009938 /* Set iSCSI MAC address */
9939 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
9940
9941 mmiowb();
9942 barrier();
9943
9944 /* Start accepting on iSCSI L2 ring. Accept all multicasts
9945 * because it's the only way for UIO Client to accept
9946 * multicasts (in non-promiscuous mode only one Client per
9947 * function will receive multicast packets (leading in our
9948 * case).
9949 */
9950 bnx2x_rxq_set_mac_filters(bp, cli,
9951 BNX2X_ACCEPT_UNICAST |
9952 BNX2X_ACCEPT_BROADCAST |
9953 BNX2X_ACCEPT_ALL_MULTICAST);
9954 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
9955
Michael Chan993ac7b2009-10-10 13:46:56 +00009956 break;
9957 }
9958
9959 /* rtnl_lock is held. */
9960 case DRV_CTL_STOP_L2_CMD: {
9961 u32 cli = ctl->data.ring.client_id;
9962
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009963 /* Stop accepting on iSCSI L2 ring */
9964 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
9965 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
9966
9967 mmiowb();
9968 barrier();
9969
9970 /* Unset iSCSI L2 MAC */
9971 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +00009972 break;
9973 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009974 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
9975 int count = ctl->data.credit.credit_count;
9976
9977 smp_mb__before_atomic_inc();
9978 atomic_add(count, &bp->spq_left);
9979 smp_mb__after_atomic_inc();
9980 break;
9981 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009982
9983 default:
9984 BNX2X_ERR("unknown command %x\n", ctl->cmd);
9985 rc = -EINVAL;
9986 }
9987
9988 return rc;
9989}
9990
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009991void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +00009992{
9993 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
9994
9995 if (bp->flags & USING_MSIX_FLAG) {
9996 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
9997 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
9998 cp->irq_arr[0].vector = bp->msix_table[1].vector;
9999 } else {
10000 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10001 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10002 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010003 if (CHIP_IS_E2(bp))
10004 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10005 else
10006 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10007
Michael Chan993ac7b2009-10-10 13:46:56 +000010008 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010009 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010010 cp->irq_arr[1].status_blk = bp->def_status_blk;
10011 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010012 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010013
10014 cp->num_irq = 2;
10015}
10016
10017static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10018 void *data)
10019{
10020 struct bnx2x *bp = netdev_priv(dev);
10021 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10022
10023 if (ops == NULL)
10024 return -EINVAL;
10025
10026 if (atomic_read(&bp->intr_sem) != 0)
10027 return -EBUSY;
10028
10029 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10030 if (!bp->cnic_kwq)
10031 return -ENOMEM;
10032
10033 bp->cnic_kwq_cons = bp->cnic_kwq;
10034 bp->cnic_kwq_prod = bp->cnic_kwq;
10035 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10036
10037 bp->cnic_spq_pending = 0;
10038 bp->cnic_kwq_pending = 0;
10039
10040 bp->cnic_data = data;
10041
10042 cp->num_irq = 0;
10043 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010044 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010045
Michael Chan993ac7b2009-10-10 13:46:56 +000010046 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010047
Michael Chan993ac7b2009-10-10 13:46:56 +000010048 rcu_assign_pointer(bp->cnic_ops, ops);
10049
10050 return 0;
10051}
10052
10053static int bnx2x_unregister_cnic(struct net_device *dev)
10054{
10055 struct bnx2x *bp = netdev_priv(dev);
10056 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10057
10058 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010059 cp->drv_state = 0;
10060 rcu_assign_pointer(bp->cnic_ops, NULL);
10061 mutex_unlock(&bp->cnic_mutex);
10062 synchronize_rcu();
10063 kfree(bp->cnic_kwq);
10064 bp->cnic_kwq = NULL;
10065
10066 return 0;
10067}
10068
10069struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10070{
10071 struct bnx2x *bp = netdev_priv(dev);
10072 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10073
10074 cp->drv_owner = THIS_MODULE;
10075 cp->chip_id = CHIP_ID(bp);
10076 cp->pdev = bp->pdev;
10077 cp->io_base = bp->regview;
10078 cp->io_base2 = bp->doorbells;
10079 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010080 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010081 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10082 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010083 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010084 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010085 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10086 cp->drv_ctl = bnx2x_drv_ctl;
10087 cp->drv_register_cnic = bnx2x_register_cnic;
10088 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010089 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10090 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10091 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010092 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010093
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010094 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10095 "starting cid %d\n",
10096 cp->ctx_blk_size,
10097 cp->ctx_tbl_offset,
10098 cp->ctx_tbl_len,
10099 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010100 return cp;
10101}
10102EXPORT_SYMBOL(bnx2x_cnic_probe);
10103
10104#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010105