blob: 637ff5ac2445d1da8fee242e3a1686b527c4eacc [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 *
Dmitry Kravkov5de92402011-05-04 23:51:13 +00003 * Copyright (c) 2007-2011 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
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000148static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000149 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
150 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
151 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000152 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
153 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200154 { 0 }
155};
156
157MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
158
159/****************************************************************************
160* General service functions
161****************************************************************************/
162
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000163static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
164 u32 addr, dma_addr_t mapping)
165{
166 REG_WR(bp, addr, U64_LO(mapping));
167 REG_WR(bp, addr + 4, U64_HI(mapping));
168}
169
170static inline void __storm_memset_fill(struct bnx2x *bp,
171 u32 addr, size_t size, u32 val)
172{
173 int i;
174 for (i = 0; i < size/4; i++)
175 REG_WR(bp, addr + (i * 4), val);
176}
177
178static inline void storm_memset_ustats_zero(struct bnx2x *bp,
179 u8 port, u16 stat_id)
180{
181 size_t size = sizeof(struct ustorm_per_client_stats);
182
183 u32 addr = BAR_USTRORM_INTMEM +
184 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
185
186 __storm_memset_fill(bp, addr, size, 0);
187}
188
189static inline void storm_memset_tstats_zero(struct bnx2x *bp,
190 u8 port, u16 stat_id)
191{
192 size_t size = sizeof(struct tstorm_per_client_stats);
193
194 u32 addr = BAR_TSTRORM_INTMEM +
195 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
196
197 __storm_memset_fill(bp, addr, size, 0);
198}
199
200static inline void storm_memset_xstats_zero(struct bnx2x *bp,
201 u8 port, u16 stat_id)
202{
203 size_t size = sizeof(struct xstorm_per_client_stats);
204
205 u32 addr = BAR_XSTRORM_INTMEM +
206 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
207
208 __storm_memset_fill(bp, addr, size, 0);
209}
210
211
212static inline void storm_memset_spq_addr(struct bnx2x *bp,
213 dma_addr_t mapping, u16 abs_fid)
214{
215 u32 addr = XSEM_REG_FAST_MEMORY +
216 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
217
218 __storm_memset_dma_mapping(bp, addr, mapping);
219}
220
221static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
222{
223 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
224}
225
226static inline void storm_memset_func_cfg(struct bnx2x *bp,
227 struct tstorm_eth_function_common_config *tcfg,
228 u16 abs_fid)
229{
230 size_t size = sizeof(struct tstorm_eth_function_common_config);
231
232 u32 addr = BAR_TSTRORM_INTMEM +
233 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
234
235 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
236}
237
238static inline void storm_memset_xstats_flags(struct bnx2x *bp,
239 struct stats_indication_flags *flags,
240 u16 abs_fid)
241{
242 size_t size = sizeof(struct stats_indication_flags);
243
244 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
245
246 __storm_memset_struct(bp, addr, size, (u32 *)flags);
247}
248
249static inline void storm_memset_tstats_flags(struct bnx2x *bp,
250 struct stats_indication_flags *flags,
251 u16 abs_fid)
252{
253 size_t size = sizeof(struct stats_indication_flags);
254
255 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
256
257 __storm_memset_struct(bp, addr, size, (u32 *)flags);
258}
259
260static inline void storm_memset_ustats_flags(struct bnx2x *bp,
261 struct stats_indication_flags *flags,
262 u16 abs_fid)
263{
264 size_t size = sizeof(struct stats_indication_flags);
265
266 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
267
268 __storm_memset_struct(bp, addr, size, (u32 *)flags);
269}
270
271static inline void storm_memset_cstats_flags(struct bnx2x *bp,
272 struct stats_indication_flags *flags,
273 u16 abs_fid)
274{
275 size_t size = sizeof(struct stats_indication_flags);
276
277 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
278
279 __storm_memset_struct(bp, addr, size, (u32 *)flags);
280}
281
282static inline void storm_memset_xstats_addr(struct bnx2x *bp,
283 dma_addr_t mapping, u16 abs_fid)
284{
285 u32 addr = BAR_XSTRORM_INTMEM +
286 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
287
288 __storm_memset_dma_mapping(bp, addr, mapping);
289}
290
291static inline void storm_memset_tstats_addr(struct bnx2x *bp,
292 dma_addr_t mapping, u16 abs_fid)
293{
294 u32 addr = BAR_TSTRORM_INTMEM +
295 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
296
297 __storm_memset_dma_mapping(bp, addr, mapping);
298}
299
300static inline void storm_memset_ustats_addr(struct bnx2x *bp,
301 dma_addr_t mapping, u16 abs_fid)
302{
303 u32 addr = BAR_USTRORM_INTMEM +
304 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
305
306 __storm_memset_dma_mapping(bp, addr, mapping);
307}
308
309static inline void storm_memset_cstats_addr(struct bnx2x *bp,
310 dma_addr_t mapping, u16 abs_fid)
311{
312 u32 addr = BAR_CSTRORM_INTMEM +
313 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
314
315 __storm_memset_dma_mapping(bp, addr, mapping);
316}
317
318static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
319 u16 pf_id)
320{
321 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
322 pf_id);
323 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
324 pf_id);
325 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
326 pf_id);
327 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
328 pf_id);
329}
330
331static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
332 u8 enable)
333{
334 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
335 enable);
336 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
337 enable);
338 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
339 enable);
340 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
341 enable);
342}
343
344static inline void storm_memset_eq_data(struct bnx2x *bp,
345 struct event_ring_data *eq_data,
346 u16 pfid)
347{
348 size_t size = sizeof(struct event_ring_data);
349
350 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
351
352 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
353}
354
355static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
356 u16 pfid)
357{
358 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
359 REG_WR16(bp, addr, eq_prod);
360}
361
362static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
363 u16 fw_sb_id, u8 sb_index,
364 u8 ticks)
365{
366
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000367 int index_offset = CHIP_IS_E2(bp) ?
368 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000369 offsetof(struct hc_status_block_data_e1x, index_data);
370 u32 addr = BAR_CSTRORM_INTMEM +
371 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
372 index_offset +
373 sizeof(struct hc_index_data)*sb_index +
374 offsetof(struct hc_index_data, timeout);
375 REG_WR8(bp, addr, ticks);
376 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
377 port, fw_sb_id, sb_index, ticks);
378}
379static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
380 u16 fw_sb_id, u8 sb_index,
381 u8 disable)
382{
383 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000384 int index_offset = CHIP_IS_E2(bp) ?
385 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000386 offsetof(struct hc_status_block_data_e1x, index_data);
387 u32 addr = BAR_CSTRORM_INTMEM +
388 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
389 index_offset +
390 sizeof(struct hc_index_data)*sb_index +
391 offsetof(struct hc_index_data, flags);
392 u16 flags = REG_RD16(bp, addr);
393 /* clear and set */
394 flags &= ~HC_INDEX_DATA_HC_ENABLED;
395 flags |= enable_flag;
396 REG_WR16(bp, addr, flags);
397 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
398 port, fw_sb_id, sb_index, disable);
399}
400
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200401/* used only at init
402 * locking is done by mcp
403 */
stephen hemminger8d962862010-10-21 07:50:56 +0000404static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200405{
406 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
407 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
408 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
409 PCICFG_VENDOR_ID_OFFSET);
410}
411
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200412static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
413{
414 u32 val;
415
416 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
417 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
418 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
419 PCICFG_VENDOR_ID_OFFSET);
420
421 return val;
422}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000424#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
425#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
426#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
427#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
428#define DMAE_DP_DST_NONE "dst_addr [none]"
429
stephen hemminger8d962862010-10-21 07:50:56 +0000430static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
431 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000432{
433 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
434
435 switch (dmae->opcode & DMAE_COMMAND_DST) {
436 case DMAE_CMD_DST_PCI:
437 if (src_type == DMAE_CMD_SRC_PCI)
438 DP(msglvl, "DMAE: opcode 0x%08x\n"
439 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
440 "comp_addr [%x:%08x], comp_val 0x%08x\n",
441 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
442 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
443 dmae->comp_addr_hi, dmae->comp_addr_lo,
444 dmae->comp_val);
445 else
446 DP(msglvl, "DMAE: opcode 0x%08x\n"
447 "src [%08x], len [%d*4], dst [%x:%08x]\n"
448 "comp_addr [%x:%08x], comp_val 0x%08x\n",
449 dmae->opcode, dmae->src_addr_lo >> 2,
450 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
451 dmae->comp_addr_hi, dmae->comp_addr_lo,
452 dmae->comp_val);
453 break;
454 case DMAE_CMD_DST_GRC:
455 if (src_type == DMAE_CMD_SRC_PCI)
456 DP(msglvl, "DMAE: opcode 0x%08x\n"
457 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
458 "comp_addr [%x:%08x], comp_val 0x%08x\n",
459 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
460 dmae->len, dmae->dst_addr_lo >> 2,
461 dmae->comp_addr_hi, dmae->comp_addr_lo,
462 dmae->comp_val);
463 else
464 DP(msglvl, "DMAE: opcode 0x%08x\n"
465 "src [%08x], len [%d*4], dst [%08x]\n"
466 "comp_addr [%x:%08x], comp_val 0x%08x\n",
467 dmae->opcode, dmae->src_addr_lo >> 2,
468 dmae->len, dmae->dst_addr_lo >> 2,
469 dmae->comp_addr_hi, dmae->comp_addr_lo,
470 dmae->comp_val);
471 break;
472 default:
473 if (src_type == DMAE_CMD_SRC_PCI)
474 DP(msglvl, "DMAE: opcode 0x%08x\n"
475 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
476 "dst_addr [none]\n"
477 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
478 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
479 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
480 dmae->comp_val);
481 else
482 DP(msglvl, "DMAE: opcode 0x%08x\n"
483 DP_LEVEL "src_addr [%08x] len [%d * 4] "
484 "dst_addr [none]\n"
485 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
486 dmae->opcode, dmae->src_addr_lo >> 2,
487 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
488 dmae->comp_val);
489 break;
490 }
491
492}
493
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000494const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200495 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
496 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
497 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
498 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
499};
500
501/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000502void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200503{
504 u32 cmd_offset;
505 int i;
506
507 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
508 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
509 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
510
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700511 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
512 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200513 }
514 REG_WR(bp, dmae_reg_go_c[idx], 1);
515}
516
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000517u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
518{
519 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
520 DMAE_CMD_C_ENABLE);
521}
522
523u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
524{
525 return opcode & ~DMAE_CMD_SRC_RESET;
526}
527
528u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
529 bool with_comp, u8 comp_type)
530{
531 u32 opcode = 0;
532
533 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
534 (dst_type << DMAE_COMMAND_DST_SHIFT));
535
536 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
537
538 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
539 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
540 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
541 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
542
543#ifdef __BIG_ENDIAN
544 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
545#else
546 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
547#endif
548 if (with_comp)
549 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
550 return opcode;
551}
552
stephen hemminger8d962862010-10-21 07:50:56 +0000553static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
554 struct dmae_command *dmae,
555 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000556{
557 memset(dmae, 0, sizeof(struct dmae_command));
558
559 /* set the opcode */
560 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
561 true, DMAE_COMP_PCI);
562
563 /* fill in the completion parameters */
564 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
565 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
566 dmae->comp_val = DMAE_COMP_VAL;
567}
568
569/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000570static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
571 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000572{
573 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000574 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000575 int rc = 0;
576
577 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
578 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
579 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
580
581 /* lock the dmae channel */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800582 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000583
584 /* reset completion */
585 *wb_comp = 0;
586
587 /* post the command on the channel used for initializations */
588 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
589
590 /* wait for completion */
591 udelay(5);
592 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
593 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
594
595 if (!cnt) {
596 BNX2X_ERR("DMAE timeout!\n");
597 rc = DMAE_TIMEOUT;
598 goto unlock;
599 }
600 cnt--;
601 udelay(50);
602 }
603 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
604 BNX2X_ERR("DMAE PCI error!\n");
605 rc = DMAE_PCI_ERROR;
606 }
607
608 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
609 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
610 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
611
612unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800613 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000614 return rc;
615}
616
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700617void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
618 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200619{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000620 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700621
622 if (!bp->dmae_ready) {
623 u32 *data = bnx2x_sp(bp, wb_data[0]);
624
625 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
626 " using indirect\n", dst_addr, len32);
627 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
628 return;
629 }
630
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000631 /* set opcode and fixed command fields */
632 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200633
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000634 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000635 dmae.src_addr_lo = U64_LO(dma_addr);
636 dmae.src_addr_hi = U64_HI(dma_addr);
637 dmae.dst_addr_lo = dst_addr >> 2;
638 dmae.dst_addr_hi = 0;
639 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000641 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200642
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000643 /* issue the command and wait for completion */
644 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200645}
646
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700647void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200648{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000649 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700650
651 if (!bp->dmae_ready) {
652 u32 *data = bnx2x_sp(bp, wb_data[0]);
653 int i;
654
655 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
656 " using indirect\n", src_addr, len32);
657 for (i = 0; i < len32; i++)
658 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
659 return;
660 }
661
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000662 /* set opcode and fixed command fields */
663 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200664
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000665 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000666 dmae.src_addr_lo = src_addr >> 2;
667 dmae.src_addr_hi = 0;
668 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
669 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
670 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000672 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200673
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000674 /* issue the command and wait for completion */
675 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200676}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677
stephen hemminger8d962862010-10-21 07:50:56 +0000678static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
679 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000680{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000681 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000682 int offset = 0;
683
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000684 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000685 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000686 addr + offset, dmae_wr_max);
687 offset += dmae_wr_max * 4;
688 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000689 }
690
691 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
692}
693
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700694/* used only for slowpath so not inlined */
695static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
696{
697 u32 wb_write[2];
698
699 wb_write[0] = val_hi;
700 wb_write[1] = val_lo;
701 REG_WR_DMAE(bp, reg, wb_write, 2);
702}
703
704#ifdef USE_WB_RD
705static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
706{
707 u32 wb_data[2];
708
709 REG_RD_DMAE(bp, reg, wb_data, 2);
710
711 return HILO_U64(wb_data[0], wb_data[1]);
712}
713#endif
714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200715static int bnx2x_mc_assert(struct bnx2x *bp)
716{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200717 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700718 int i, rc = 0;
719 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200720
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700721 /* XSTORM */
722 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
723 XSTORM_ASSERT_LIST_INDEX_OFFSET);
724 if (last_idx)
725 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200726
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700727 /* print the asserts */
728 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200729
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700730 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
731 XSTORM_ASSERT_LIST_OFFSET(i));
732 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
733 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
734 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
735 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
736 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
737 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200738
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700739 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
740 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
741 " 0x%08x 0x%08x 0x%08x\n",
742 i, row3, row2, row1, row0);
743 rc++;
744 } else {
745 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200746 }
747 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700748
749 /* TSTORM */
750 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
751 TSTORM_ASSERT_LIST_INDEX_OFFSET);
752 if (last_idx)
753 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
754
755 /* print the asserts */
756 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
757
758 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
759 TSTORM_ASSERT_LIST_OFFSET(i));
760 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
761 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
762 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
763 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
764 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
765 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
766
767 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
768 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
769 " 0x%08x 0x%08x 0x%08x\n",
770 i, row3, row2, row1, row0);
771 rc++;
772 } else {
773 break;
774 }
775 }
776
777 /* CSTORM */
778 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
779 CSTORM_ASSERT_LIST_INDEX_OFFSET);
780 if (last_idx)
781 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
782
783 /* print the asserts */
784 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
785
786 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
787 CSTORM_ASSERT_LIST_OFFSET(i));
788 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
789 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
790 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
791 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
792 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
793 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
794
795 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
796 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
797 " 0x%08x 0x%08x 0x%08x\n",
798 i, row3, row2, row1, row0);
799 rc++;
800 } else {
801 break;
802 }
803 }
804
805 /* USTORM */
806 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
807 USTORM_ASSERT_LIST_INDEX_OFFSET);
808 if (last_idx)
809 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
810
811 /* print the asserts */
812 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
813
814 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
815 USTORM_ASSERT_LIST_OFFSET(i));
816 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
817 USTORM_ASSERT_LIST_OFFSET(i) + 4);
818 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
819 USTORM_ASSERT_LIST_OFFSET(i) + 8);
820 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
821 USTORM_ASSERT_LIST_OFFSET(i) + 12);
822
823 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
824 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
825 " 0x%08x 0x%08x 0x%08x\n",
826 i, row3, row2, row1, row0);
827 rc++;
828 } else {
829 break;
830 }
831 }
832
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200833 return rc;
834}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800835
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200836static void bnx2x_fw_dump(struct bnx2x *bp)
837{
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000838 u32 addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200839 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000840 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200841 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000842 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000843 if (BP_NOMCP(bp)) {
844 BNX2X_ERR("NO MCP - can not dump\n");
845 return;
846 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000847
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000848 if (BP_PATH(bp) == 0)
849 trace_shmem_base = bp->common.shmem_base;
850 else
851 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
852 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000853 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000854 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
855 + ((mark + 0x3) & ~0x3) - 0x08000000;
Joe Perches7995c642010-02-17 15:01:52 +0000856 pr_err("begin fw dump (mark 0x%x)\n", mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200857
Joe Perches7995c642010-02-17 15:01:52 +0000858 pr_err("");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000859 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200860 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000861 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200862 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000863 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000865 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200866 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000867 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200868 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000869 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200870 }
Joe Perches7995c642010-02-17 15:01:52 +0000871 pr_err("end of fw dump\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200872}
873
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000874void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200875{
876 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000877 u16 j;
878 struct hc_sp_status_block_data sp_sb_data;
879 int func = BP_FUNC(bp);
880#ifdef BNX2X_STOP_ON_ERROR
881 u16 start = 0, end = 0;
882#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200883
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700884 bp->stats_state = STATS_STATE_DISABLED;
885 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
886
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200887 BNX2X_ERR("begin crash dump -----------------\n");
888
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000889 /* Indices */
890 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000891 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000892 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000893 bp->def_idx, bp->def_att_idx,
894 bp->attn_state, bp->spq_prod_idx);
895 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
896 bp->def_status_blk->atten_status_block.attn_bits,
897 bp->def_status_blk->atten_status_block.attn_bits_ack,
898 bp->def_status_blk->atten_status_block.status_block_id,
899 bp->def_status_blk->atten_status_block.attn_bits_index);
900 BNX2X_ERR(" def (");
901 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
902 pr_cont("0x%x%s",
903 bp->def_status_blk->sp_sb.index_values[i],
904 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000905
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000906 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
907 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
908 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
909 i*sizeof(u32));
910
911 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
912 "pf_id(0x%x) vnic_id(0x%x) "
913 "vf_id(0x%x) vf_valid (0x%x)\n",
914 sp_sb_data.igu_sb_id,
915 sp_sb_data.igu_seg_id,
916 sp_sb_data.p_func.pf_id,
917 sp_sb_data.p_func.vnic_id,
918 sp_sb_data.p_func.vf_id,
919 sp_sb_data.p_func.vf_valid);
920
921
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000922 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000923 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000924 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000925 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000926 struct hc_status_block_data_e1x sb_data_e1x;
927 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000928 CHIP_IS_E2(bp) ?
929 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000930 sb_data_e1x.common.state_machine;
931 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000932 CHIP_IS_E2(bp) ?
933 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000934 sb_data_e1x.index_data;
935 int data_size;
936 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000937
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000938 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000939 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000940 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000941 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000942 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000943 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000944 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000945 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000946 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000947 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000948 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000949
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000950 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000951 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
952 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
953 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200954 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700955 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000956
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000957 loop = CHIP_IS_E2(bp) ?
958 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000959
960 /* host sb data */
961
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000962#ifdef BCM_CNIC
963 if (IS_FCOE_FP(fp))
964 continue;
965#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000966 BNX2X_ERR(" run indexes (");
967 for (j = 0; j < HC_SB_MAX_SM; j++)
968 pr_cont("0x%x%s",
969 fp->sb_running_index[j],
970 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
971
972 BNX2X_ERR(" indexes (");
973 for (j = 0; j < loop; j++)
974 pr_cont("0x%x%s",
975 fp->sb_index_values[j],
976 (j == loop - 1) ? ")" : " ");
977 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000978 data_size = CHIP_IS_E2(bp) ?
979 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000980 sizeof(struct hc_status_block_data_e1x);
981 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000982 sb_data_p = CHIP_IS_E2(bp) ?
983 (u32 *)&sb_data_e2 :
984 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000985 /* copy sb data in here */
986 for (j = 0; j < data_size; j++)
987 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
988 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
989 j * sizeof(u32));
990
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000991 if (CHIP_IS_E2(bp)) {
992 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
993 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
994 sb_data_e2.common.p_func.pf_id,
995 sb_data_e2.common.p_func.vf_id,
996 sb_data_e2.common.p_func.vf_valid,
997 sb_data_e2.common.p_func.vnic_id,
998 sb_data_e2.common.same_igu_sb_1b);
999 } else {
1000 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1001 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1002 sb_data_e1x.common.p_func.pf_id,
1003 sb_data_e1x.common.p_func.vf_id,
1004 sb_data_e1x.common.p_func.vf_valid,
1005 sb_data_e1x.common.p_func.vnic_id,
1006 sb_data_e1x.common.same_igu_sb_1b);
1007 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001008
1009 /* SB_SMs data */
1010 for (j = 0; j < HC_SB_MAX_SM; j++) {
1011 pr_cont("SM[%d] __flags (0x%x) "
1012 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1013 "time_to_expire (0x%x) "
1014 "timer_value(0x%x)\n", j,
1015 hc_sm_p[j].__flags,
1016 hc_sm_p[j].igu_sb_id,
1017 hc_sm_p[j].igu_seg_id,
1018 hc_sm_p[j].time_to_expire,
1019 hc_sm_p[j].timer_value);
1020 }
1021
1022 /* Indecies data */
1023 for (j = 0; j < loop; j++) {
1024 pr_cont("INDEX[%d] flags (0x%x) "
1025 "timeout (0x%x)\n", j,
1026 hc_index_p[j].flags,
1027 hc_index_p[j].timeout);
1028 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001029 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001030
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001031#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001032 /* Rings */
1033 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001034 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001035 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001036
1037 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1038 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001039 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001040 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1041 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1042
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001043 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1044 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001045 }
1046
Eilon Greenstein3196a882008-08-13 15:58:49 -07001047 start = RX_SGE(fp->rx_sge_prod);
1048 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001049 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001050 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1051 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1052
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001053 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1054 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001055 }
1056
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001057 start = RCQ_BD(fp->rx_comp_cons - 10);
1058 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001059 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001060 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1061
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001062 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1063 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001064 }
1065 }
1066
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001067 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001068 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001069 struct bnx2x_fastpath *fp = &bp->fp[i];
1070
1071 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1072 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1073 for (j = start; j != end; j = TX_BD(j + 1)) {
1074 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1075
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001076 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1077 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001078 }
1079
1080 start = TX_BD(fp->tx_bd_cons - 10);
1081 end = TX_BD(fp->tx_bd_cons + 254);
1082 for (j = start; j != end; j = TX_BD(j + 1)) {
1083 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1084
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001085 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1086 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001087 }
1088 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001089#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001090 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001091 bnx2x_mc_assert(bp);
1092 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001093}
1094
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001095static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001096{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001097 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001098 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1099 u32 val = REG_RD(bp, addr);
1100 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001101 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001102
1103 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001104 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1105 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001106 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1107 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001108 } else if (msi) {
1109 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1110 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1111 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1112 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001113 } else {
1114 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001115 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001116 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1117 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001118
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001119 if (!CHIP_IS_E1(bp)) {
1120 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1121 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001122
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001123 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001124
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001125 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1126 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001127 }
1128
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001129 if (CHIP_IS_E1(bp))
1130 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1131
Eilon Greenstein8badd272009-02-12 08:36:15 +00001132 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1133 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001134
1135 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001136 /*
1137 * Ensure that HC_CONFIG is written before leading/trailing edge config
1138 */
1139 mmiowb();
1140 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001141
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001142 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001143 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001144 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001145 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001146 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001147 /* enable nig and gpio3 attention */
1148 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001149 } else
1150 val = 0xffff;
1151
1152 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1153 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1154 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001155
1156 /* Make sure that interrupts are indeed enabled from here on */
1157 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001158}
1159
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001160static void bnx2x_igu_int_enable(struct bnx2x *bp)
1161{
1162 u32 val;
1163 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1164 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1165
1166 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1167
1168 if (msix) {
1169 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1170 IGU_PF_CONF_SINGLE_ISR_EN);
1171 val |= (IGU_PF_CONF_FUNC_EN |
1172 IGU_PF_CONF_MSI_MSIX_EN |
1173 IGU_PF_CONF_ATTN_BIT_EN);
1174 } else if (msi) {
1175 val &= ~IGU_PF_CONF_INT_LINE_EN;
1176 val |= (IGU_PF_CONF_FUNC_EN |
1177 IGU_PF_CONF_MSI_MSIX_EN |
1178 IGU_PF_CONF_ATTN_BIT_EN |
1179 IGU_PF_CONF_SINGLE_ISR_EN);
1180 } else {
1181 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1182 val |= (IGU_PF_CONF_FUNC_EN |
1183 IGU_PF_CONF_INT_LINE_EN |
1184 IGU_PF_CONF_ATTN_BIT_EN |
1185 IGU_PF_CONF_SINGLE_ISR_EN);
1186 }
1187
1188 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1189 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1190
1191 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1192
1193 barrier();
1194
1195 /* init leading/trailing edge */
1196 if (IS_MF(bp)) {
1197 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1198 if (bp->port.pmf)
1199 /* enable nig and gpio3 attention */
1200 val |= 0x1100;
1201 } else
1202 val = 0xffff;
1203
1204 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1205 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1206
1207 /* Make sure that interrupts are indeed enabled from here on */
1208 mmiowb();
1209}
1210
1211void bnx2x_int_enable(struct bnx2x *bp)
1212{
1213 if (bp->common.int_block == INT_BLOCK_HC)
1214 bnx2x_hc_int_enable(bp);
1215 else
1216 bnx2x_igu_int_enable(bp);
1217}
1218
1219static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001220{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001221 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001222 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1223 u32 val = REG_RD(bp, addr);
1224
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001225 /*
1226 * in E1 we must use only PCI configuration space to disable
1227 * MSI/MSIX capablility
1228 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1229 */
1230 if (CHIP_IS_E1(bp)) {
1231 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1232 * Use mask register to prevent from HC sending interrupts
1233 * after we exit the function
1234 */
1235 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1236
1237 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1238 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1239 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1240 } else
1241 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1242 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1243 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1244 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001245
1246 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1247 val, port, addr);
1248
Eilon Greenstein8badd272009-02-12 08:36:15 +00001249 /* flush all outstanding writes */
1250 mmiowb();
1251
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001252 REG_WR(bp, addr, val);
1253 if (REG_RD(bp, addr) != val)
1254 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1255}
1256
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001257static void bnx2x_igu_int_disable(struct bnx2x *bp)
1258{
1259 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1260
1261 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1262 IGU_PF_CONF_INT_LINE_EN |
1263 IGU_PF_CONF_ATTN_BIT_EN);
1264
1265 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1266
1267 /* flush all outstanding writes */
1268 mmiowb();
1269
1270 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1271 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1272 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1273}
1274
stephen hemminger8d962862010-10-21 07:50:56 +00001275static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001276{
1277 if (bp->common.int_block == INT_BLOCK_HC)
1278 bnx2x_hc_int_disable(bp);
1279 else
1280 bnx2x_igu_int_disable(bp);
1281}
1282
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001283void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001284{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001285 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001286 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001287
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001288 if (disable_hw)
1289 /* prevent the HW from sending interrupts */
1290 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001291
1292 /* make sure all ISRs are done */
1293 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001294 synchronize_irq(bp->msix_table[0].vector);
1295 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001296#ifdef BCM_CNIC
1297 offset++;
1298#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001299 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001300 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001301 } else
1302 synchronize_irq(bp->pdev->irq);
1303
1304 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001305 cancel_delayed_work(&bp->sp_task);
1306 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001307}
1308
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001309/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001310
1311/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001312 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001313 */
1314
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001315/* Return true if succeeded to acquire the lock */
1316static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1317{
1318 u32 lock_status;
1319 u32 resource_bit = (1 << resource);
1320 int func = BP_FUNC(bp);
1321 u32 hw_lock_control_reg;
1322
1323 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1324
1325 /* Validating that the resource is within range */
1326 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1327 DP(NETIF_MSG_HW,
1328 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1329 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001330 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001331 }
1332
1333 if (func <= 5)
1334 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1335 else
1336 hw_lock_control_reg =
1337 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1338
1339 /* Try to acquire the lock */
1340 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1341 lock_status = REG_RD(bp, hw_lock_control_reg);
1342 if (lock_status & resource_bit)
1343 return true;
1344
1345 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1346 return false;
1347}
1348
Michael Chan993ac7b2009-10-10 13:46:56 +00001349#ifdef BCM_CNIC
1350static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1351#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001352
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001353void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001354 union eth_rx_cqe *rr_cqe)
1355{
1356 struct bnx2x *bp = fp->bp;
1357 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1358 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1359
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001360 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001361 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001362 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001363 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001364
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001365 switch (command | fp->state) {
1366 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1367 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1368 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001369 break;
1370
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001371 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1372 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001373 fp->state = BNX2X_FP_STATE_HALTED;
1374 break;
1375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001376 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1377 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1378 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001379 break;
1380
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001381 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001382 BNX2X_ERR("unexpected MC reply (%d) "
1383 "fp[%d] state is %x\n",
1384 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001385 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001386 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001387
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001388 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001389 atomic_inc(&bp->cq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001390 /* push the change in fp->state and towards the memory */
1391 smp_wmb();
1392
1393 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001394}
1395
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001396irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001397{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001398 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001399 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001400 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001401 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001402
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001403 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001404 if (unlikely(status == 0)) {
1405 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1406 return IRQ_NONE;
1407 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001408 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001409
Eilon Greenstein3196a882008-08-13 15:58:49 -07001410#ifdef BNX2X_STOP_ON_ERROR
1411 if (unlikely(bp->panic))
1412 return IRQ_HANDLED;
1413#endif
1414
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001415 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001416 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001417
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001418 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001419 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001420 /* Handle Rx and Tx according to SB id */
1421 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001422 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001423 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001424 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001425 status &= ~mask;
1426 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001427 }
1428
Michael Chan993ac7b2009-10-10 13:46:56 +00001429#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001430 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001431 if (status & (mask | 0x1)) {
1432 struct cnic_ops *c_ops = NULL;
1433
1434 rcu_read_lock();
1435 c_ops = rcu_dereference(bp->cnic_ops);
1436 if (c_ops)
1437 c_ops->cnic_handler(bp->cnic_data, NULL);
1438 rcu_read_unlock();
1439
1440 status &= ~mask;
1441 }
1442#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001443
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001444 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001445 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001446
1447 status &= ~0x1;
1448 if (!status)
1449 return IRQ_HANDLED;
1450 }
1451
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001452 if (unlikely(status))
1453 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001454 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001455
1456 return IRQ_HANDLED;
1457}
1458
1459/* end of fast path */
1460
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001461
1462/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001463
1464/*
1465 * General service functions
1466 */
1467
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001468int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001469{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001470 u32 lock_status;
1471 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001472 int func = BP_FUNC(bp);
1473 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001474 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001475
1476 /* Validating that the resource is within range */
1477 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1478 DP(NETIF_MSG_HW,
1479 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1480 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1481 return -EINVAL;
1482 }
1483
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001484 if (func <= 5) {
1485 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1486 } else {
1487 hw_lock_control_reg =
1488 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1489 }
1490
Eliezer Tamirf1410642008-02-28 11:51:50 -08001491 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001492 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001493 if (lock_status & resource_bit) {
1494 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1495 lock_status, resource_bit);
1496 return -EEXIST;
1497 }
1498
Eilon Greenstein46230472008-08-25 15:23:30 -07001499 /* Try for 5 second every 5ms */
1500 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001501 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001502 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1503 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001504 if (lock_status & resource_bit)
1505 return 0;
1506
1507 msleep(5);
1508 }
1509 DP(NETIF_MSG_HW, "Timeout\n");
1510 return -EAGAIN;
1511}
1512
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001513int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001514{
1515 u32 lock_status;
1516 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001517 int func = BP_FUNC(bp);
1518 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001519
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001520 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1521
Eliezer Tamirf1410642008-02-28 11:51:50 -08001522 /* Validating that the resource is within range */
1523 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1524 DP(NETIF_MSG_HW,
1525 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1526 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1527 return -EINVAL;
1528 }
1529
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001530 if (func <= 5) {
1531 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1532 } else {
1533 hw_lock_control_reg =
1534 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1535 }
1536
Eliezer Tamirf1410642008-02-28 11:51:50 -08001537 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001538 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001539 if (!(lock_status & resource_bit)) {
1540 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1541 lock_status, resource_bit);
1542 return -EFAULT;
1543 }
1544
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001545 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001546 return 0;
1547}
1548
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001549
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001550int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1551{
1552 /* The GPIO should be swapped if swap register is set and active */
1553 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1554 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1555 int gpio_shift = gpio_num +
1556 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1557 u32 gpio_mask = (1 << gpio_shift);
1558 u32 gpio_reg;
1559 int value;
1560
1561 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1562 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1563 return -EINVAL;
1564 }
1565
1566 /* read GPIO value */
1567 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1568
1569 /* get the requested pin value */
1570 if ((gpio_reg & gpio_mask) == gpio_mask)
1571 value = 1;
1572 else
1573 value = 0;
1574
1575 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1576
1577 return value;
1578}
1579
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001580int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001581{
1582 /* The GPIO should be swapped if swap register is set and active */
1583 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001584 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001585 int gpio_shift = gpio_num +
1586 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1587 u32 gpio_mask = (1 << gpio_shift);
1588 u32 gpio_reg;
1589
1590 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1591 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1592 return -EINVAL;
1593 }
1594
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001595 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001596 /* read GPIO and mask except the float bits */
1597 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1598
1599 switch (mode) {
1600 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1601 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1602 gpio_num, gpio_shift);
1603 /* clear FLOAT and set CLR */
1604 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1605 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1606 break;
1607
1608 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1609 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1610 gpio_num, gpio_shift);
1611 /* clear FLOAT and set SET */
1612 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1613 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1614 break;
1615
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001616 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001617 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1618 gpio_num, gpio_shift);
1619 /* set FLOAT */
1620 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1621 break;
1622
1623 default:
1624 break;
1625 }
1626
1627 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001628 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001629
1630 return 0;
1631}
1632
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001633int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1634{
1635 /* The GPIO should be swapped if swap register is set and active */
1636 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1637 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1638 int gpio_shift = gpio_num +
1639 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1640 u32 gpio_mask = (1 << gpio_shift);
1641 u32 gpio_reg;
1642
1643 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1644 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1645 return -EINVAL;
1646 }
1647
1648 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1649 /* read GPIO int */
1650 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1651
1652 switch (mode) {
1653 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1654 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1655 "output low\n", gpio_num, gpio_shift);
1656 /* clear SET and set CLR */
1657 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1658 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1659 break;
1660
1661 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1662 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1663 "output high\n", gpio_num, gpio_shift);
1664 /* clear CLR and set SET */
1665 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1666 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1667 break;
1668
1669 default:
1670 break;
1671 }
1672
1673 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1674 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1675
1676 return 0;
1677}
1678
Eliezer Tamirf1410642008-02-28 11:51:50 -08001679static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1680{
1681 u32 spio_mask = (1 << spio_num);
1682 u32 spio_reg;
1683
1684 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1685 (spio_num > MISC_REGISTERS_SPIO_7)) {
1686 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1687 return -EINVAL;
1688 }
1689
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001690 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001691 /* read SPIO and mask except the float bits */
1692 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1693
1694 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001695 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001696 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1697 /* clear FLOAT and set CLR */
1698 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1699 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1700 break;
1701
Eilon Greenstein6378c022008-08-13 15:59:25 -07001702 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001703 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1704 /* clear FLOAT and set SET */
1705 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1706 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1707 break;
1708
1709 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1710 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1711 /* set FLOAT */
1712 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1713 break;
1714
1715 default:
1716 break;
1717 }
1718
1719 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001720 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001721
1722 return 0;
1723}
1724
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001725void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001726{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001727 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001728 switch (bp->link_vars.ieee_fc &
1729 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001730 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001731 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001732 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001733 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001734
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001735 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001736 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001737 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001738 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001739
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001740 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001741 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001742 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001743
Eliezer Tamirf1410642008-02-28 11:51:50 -08001744 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001745 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001746 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001747 break;
1748 }
1749}
1750
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001751u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001752{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001753 if (!BP_NOMCP(bp)) {
1754 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001755 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1756 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001757 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001758 /* It is recommended to turn off RX FC for jumbo frames
1759 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001760 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001761 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001762 else
David S. Millerc0700f92008-12-16 23:53:20 -08001763 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001764
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001765 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001766
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001767 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001768 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001769 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1770 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001771
Eilon Greenstein19680c42008-08-13 15:47:33 -07001772 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001773
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001774 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001775
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001776 bnx2x_calc_fc_adv(bp);
1777
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001778 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1779 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001780 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001781 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001782 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001783 return rc;
1784 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001785 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001786 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001787}
1788
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001789void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001790{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001791 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001792 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001793 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001794 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001795 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001796
Eilon Greenstein19680c42008-08-13 15:47:33 -07001797 bnx2x_calc_fc_adv(bp);
1798 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001799 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001800}
1801
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001802static void bnx2x__link_reset(struct bnx2x *bp)
1803{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001804 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001805 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001806 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001807 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001808 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001809 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001810}
1811
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001812u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001813{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001814 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001815
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001816 if (!BP_NOMCP(bp)) {
1817 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001818 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1819 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001820 bnx2x_release_phy_lock(bp);
1821 } else
1822 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001823
1824 return rc;
1825}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001826
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001827static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001828{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001829 u32 r_param = bp->link_vars.line_speed / 8;
1830 u32 fair_periodic_timeout_usec;
1831 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001832
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001833 memset(&(bp->cmng.rs_vars), 0,
1834 sizeof(struct rate_shaping_vars_per_port));
1835 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001836
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001837 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1838 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001839
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001840 /* this is the threshold below which no timer arming will occur
1841 1.25 coefficient is for the threshold to be a little bigger
1842 than the real time, to compensate for timer in-accuracy */
1843 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001844 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1845
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001846 /* resolution of fairness timer */
1847 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1848 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1849 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001850
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001851 /* this is the threshold below which we won't arm the timer anymore */
1852 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001853
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001854 /* we multiply by 1e3/8 to get bytes/msec.
1855 We don't want the credits to pass a credit
1856 of the t_fair*FAIR_MEM (algorithm resolution) */
1857 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1858 /* since each tick is 4 usec */
1859 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001860}
1861
Eilon Greenstein2691d512009-08-12 08:22:08 +00001862/* Calculates the sum of vn_min_rates.
1863 It's needed for further normalizing of the min_rates.
1864 Returns:
1865 sum of vn_min_rates.
1866 or
1867 0 - if all the min_rates are 0.
1868 In the later case fainess algorithm should be deactivated.
1869 If not all min_rates are zero then those that are zeroes will be set to 1.
1870 */
1871static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1872{
1873 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001874 int vn;
1875
1876 bp->vn_weight_sum = 0;
1877 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001878 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001879 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1880 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1881
1882 /* Skip hidden vns */
1883 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1884 continue;
1885
1886 /* If min rate is zero - set it to 1 */
1887 if (!vn_min_rate)
1888 vn_min_rate = DEF_MIN_RATE;
1889 else
1890 all_zero = 0;
1891
1892 bp->vn_weight_sum += vn_min_rate;
1893 }
1894
1895 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001896 if (all_zero) {
1897 bp->cmng.flags.cmng_enables &=
1898 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1899 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1900 " fairness will be disabled\n");
1901 } else
1902 bp->cmng.flags.cmng_enables |=
1903 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001904}
1905
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001906static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001907{
1908 struct rate_shaping_vars_per_vn m_rs_vn;
1909 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001910 u32 vn_cfg = bp->mf_config[vn];
1911 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001912 u16 vn_min_rate, vn_max_rate;
1913 int i;
1914
1915 /* If function is hidden - set min and max to zeroes */
1916 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1917 vn_min_rate = 0;
1918 vn_max_rate = 0;
1919
1920 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001921 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
1922
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001923 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1924 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001925 /* If fairness is enabled (not all min rates are zeroes) and
1926 if current min rate is zero - set it to 1.
1927 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001928 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001929 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001930
1931 if (IS_MF_SI(bp))
1932 /* maxCfg in percents of linkspeed */
1933 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
1934 else
1935 /* maxCfg is absolute in 100Mb units */
1936 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001937 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001938
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001939 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001940 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001941 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001942
1943 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1944 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1945
1946 /* global vn counter - maximal Mbps for this vn */
1947 m_rs_vn.vn_counter.rate = vn_max_rate;
1948
1949 /* quota - number of bytes transmitted in this period */
1950 m_rs_vn.vn_counter.quota =
1951 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
1952
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001953 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001954 /* credit for each period of the fairness algorithm:
1955 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001956 vn_weight_sum should not be larger than 10000, thus
1957 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
1958 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001959 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001960 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
1961 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00001962 (bp->cmng.fair_vars.fair_threshold +
1963 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001964 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001965 m_fair_vn.vn_credit_delta);
1966 }
1967
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001968 /* Store it to internal memory */
1969 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
1970 REG_WR(bp, BAR_XSTRORM_INTMEM +
1971 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
1972 ((u32 *)(&m_rs_vn))[i]);
1973
1974 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
1975 REG_WR(bp, BAR_XSTRORM_INTMEM +
1976 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
1977 ((u32 *)(&m_fair_vn))[i]);
1978}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001979
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001980static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
1981{
1982 if (CHIP_REV_IS_SLOW(bp))
1983 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001984 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001985 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001986
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001987 return CMNG_FNS_NONE;
1988}
1989
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00001990void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001991{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08001992 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001993
1994 if (BP_NOMCP(bp))
1995 return; /* what should be the default bvalue in this case */
1996
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08001997 /* For 2 port configuration the absolute function number formula
1998 * is:
1999 * abs_func = 2 * vn + BP_PORT + BP_PATH
2000 *
2001 * and there are 4 functions per port
2002 *
2003 * For 4 port configuration it is
2004 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2005 *
2006 * and there are 2 functions per port
2007 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002008 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002009 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2010
2011 if (func >= E1H_FUNC_MAX)
2012 break;
2013
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002014 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002015 MF_CFG_RD(bp, func_mf_config[func].config);
2016 }
2017}
2018
2019static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2020{
2021
2022 if (cmng_type == CMNG_FNS_MINMAX) {
2023 int vn;
2024
2025 /* clear cmng_enables */
2026 bp->cmng.flags.cmng_enables = 0;
2027
2028 /* read mf conf from shmem */
2029 if (read_cfg)
2030 bnx2x_read_mf_cfg(bp);
2031
2032 /* Init rate shaping and fairness contexts */
2033 bnx2x_init_port_minmax(bp);
2034
2035 /* vn_weight_sum and enable fairness if not 0 */
2036 bnx2x_calc_vn_weight_sum(bp);
2037
2038 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002039 if (bp->port.pmf)
2040 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2041 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002042
2043 /* always enable rate shaping and fairness */
2044 bp->cmng.flags.cmng_enables |=
2045 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2046 if (!bp->vn_weight_sum)
2047 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2048 " fairness will be disabled\n");
2049 return;
2050 }
2051
2052 /* rate shaping and fairness are disabled */
2053 DP(NETIF_MSG_IFUP,
2054 "rate shaping and fairness are disabled\n");
2055}
2056
2057static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2058{
2059 int port = BP_PORT(bp);
2060 int func;
2061 int vn;
2062
2063 /* Set the attention towards other drivers on the same port */
2064 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2065 if (vn == BP_E1HVN(bp))
2066 continue;
2067
2068 func = ((vn << 1) | port);
2069 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2070 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2071 }
2072}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002073
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002074/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002075static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002076{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002077 /* Make sure that we are synced with the current statistics */
2078 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2079
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002080 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002081
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002082 if (bp->link_vars.link_up) {
2083
Eilon Greenstein1c063282009-02-12 08:36:43 +00002084 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002085 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002086 int port = BP_PORT(bp);
2087 u32 pause_enabled = 0;
2088
2089 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2090 pause_enabled = 1;
2091
2092 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002093 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002094 pause_enabled);
2095 }
2096
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002097 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2098 struct host_port_stats *pstats;
2099
2100 pstats = bnx2x_sp(bp, port_stats);
2101 /* reset old bmac stats */
2102 memset(&(pstats->mac_stx[0]), 0,
2103 sizeof(struct mac_stx));
2104 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002105 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002106 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2107 }
2108
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002109 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2110 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002111
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002112 if (cmng_fns != CMNG_FNS_NONE) {
2113 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2114 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2115 } else
2116 /* rate shaping and fairness are disabled */
2117 DP(NETIF_MSG_IFUP,
2118 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002119 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002120
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002121 __bnx2x_link_report(bp);
2122
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002123 if (IS_MF(bp))
2124 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002125}
2126
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002127void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002128{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002129 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002130 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002131
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002132 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2133
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002134 if (bp->link_vars.link_up)
2135 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2136 else
2137 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2138
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002139 /* indicate link status */
2140 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002141}
2142
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002143static void bnx2x_pmf_update(struct bnx2x *bp)
2144{
2145 int port = BP_PORT(bp);
2146 u32 val;
2147
2148 bp->port.pmf = 1;
2149 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2150
2151 /* enable nig attention */
2152 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002153 if (bp->common.int_block == INT_BLOCK_HC) {
2154 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2155 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2156 } else if (CHIP_IS_E2(bp)) {
2157 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2158 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2159 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002160
2161 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002162}
2163
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002164/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002165
2166/* slow path */
2167
2168/*
2169 * General service functions
2170 */
2171
Eilon Greenstein2691d512009-08-12 08:22:08 +00002172/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002173u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002174{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002175 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002176 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002177 u32 rc = 0;
2178 u32 cnt = 1;
2179 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2180
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002181 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002182 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002183 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2184 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2185
Eilon Greenstein2691d512009-08-12 08:22:08 +00002186 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2187
2188 do {
2189 /* let the FW do it's magic ... */
2190 msleep(delay);
2191
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002192 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002193
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002194 /* Give the FW up to 5 second (500*10ms) */
2195 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002196
2197 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2198 cnt*delay, rc, seq);
2199
2200 /* is this a reply to our command? */
2201 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2202 rc &= FW_MSG_CODE_MASK;
2203 else {
2204 /* FW BUG! */
2205 BNX2X_ERR("FW failed to respond!\n");
2206 bnx2x_fw_dump(bp);
2207 rc = 0;
2208 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002209 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002210
2211 return rc;
2212}
2213
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002214static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2215{
2216#ifdef BCM_CNIC
2217 if (IS_FCOE_FP(fp) && IS_MF(bp))
2218 return false;
2219#endif
2220 return true;
2221}
2222
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002223/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002224static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002225{
2226 u32 mask = (1 << cl_id);
2227
2228 /* initial seeting is BNX2X_ACCEPT_NONE */
2229 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2230 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2231 u8 unmatched_unicast = 0;
2232
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002233 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2234 unmatched_unicast = 1;
2235
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002236 if (filters & BNX2X_PROMISCUOUS_MODE) {
2237 /* promiscious - accept all, drop none */
2238 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2239 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002240 if (IS_MF_SI(bp)) {
2241 /*
2242 * SI mode defines to accept in promiscuos mode
2243 * only unmatched packets
2244 */
2245 unmatched_unicast = 1;
2246 accp_all_ucast = 0;
2247 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002248 }
2249 if (filters & BNX2X_ACCEPT_UNICAST) {
2250 /* accept matched ucast */
2251 drop_all_ucast = 0;
2252 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002253 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002254 /* accept matched mcast */
2255 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002256
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002257 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2258 /* accept all mcast */
2259 drop_all_ucast = 0;
2260 accp_all_ucast = 1;
2261 }
2262 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2263 /* accept all mcast */
2264 drop_all_mcast = 0;
2265 accp_all_mcast = 1;
2266 }
2267 if (filters & BNX2X_ACCEPT_BROADCAST) {
2268 /* accept (all) bcast */
2269 drop_all_bcast = 0;
2270 accp_all_bcast = 1;
2271 }
2272
2273 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2274 bp->mac_filters.ucast_drop_all | mask :
2275 bp->mac_filters.ucast_drop_all & ~mask;
2276
2277 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2278 bp->mac_filters.mcast_drop_all | mask :
2279 bp->mac_filters.mcast_drop_all & ~mask;
2280
2281 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2282 bp->mac_filters.bcast_drop_all | mask :
2283 bp->mac_filters.bcast_drop_all & ~mask;
2284
2285 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2286 bp->mac_filters.ucast_accept_all | mask :
2287 bp->mac_filters.ucast_accept_all & ~mask;
2288
2289 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2290 bp->mac_filters.mcast_accept_all | mask :
2291 bp->mac_filters.mcast_accept_all & ~mask;
2292
2293 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2294 bp->mac_filters.bcast_accept_all | mask :
2295 bp->mac_filters.bcast_accept_all & ~mask;
2296
2297 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2298 bp->mac_filters.unmatched_unicast | mask :
2299 bp->mac_filters.unmatched_unicast & ~mask;
2300}
2301
stephen hemminger8d962862010-10-21 07:50:56 +00002302static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002303{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002304 struct tstorm_eth_function_common_config tcfg = {0};
2305 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002306
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002307 /* tpa */
2308 if (p->func_flgs & FUNC_FLG_TPA)
2309 tcfg.config_flags |=
2310 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002311
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002312 /* set rss flags */
2313 rss_flgs = (p->rss->mode <<
2314 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002315
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002316 if (p->rss->cap & RSS_IPV4_CAP)
2317 rss_flgs |= RSS_IPV4_CAP_MASK;
2318 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2319 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2320 if (p->rss->cap & RSS_IPV6_CAP)
2321 rss_flgs |= RSS_IPV6_CAP_MASK;
2322 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2323 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002324
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002325 tcfg.config_flags |= rss_flgs;
2326 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002327
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002328 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002329
2330 /* Enable the function in the FW */
2331 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2332 storm_memset_func_en(bp, p->func_id, 1);
2333
2334 /* statistics */
2335 if (p->func_flgs & FUNC_FLG_STATS) {
2336 struct stats_indication_flags stats_flags = {0};
2337 stats_flags.collect_eth = 1;
2338
2339 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2340 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2341
2342 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2343 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2344
2345 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2346 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2347
2348 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2349 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2350 }
2351
2352 /* spq */
2353 if (p->func_flgs & FUNC_FLG_SPQ) {
2354 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2355 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2356 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2357 }
2358}
2359
2360static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2361 struct bnx2x_fastpath *fp)
2362{
2363 u16 flags = 0;
2364
2365 /* calculate queue flags */
2366 flags |= QUEUE_FLG_CACHE_ALIGN;
2367 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002368 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002369
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002370 flags |= QUEUE_FLG_VLAN;
2371 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002372
2373 if (!fp->disable_tpa)
2374 flags |= QUEUE_FLG_TPA;
2375
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002376 flags = stat_counter_valid(bp, fp) ?
2377 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002378
2379 return flags;
2380}
2381
2382static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2383 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2384 struct bnx2x_rxq_init_params *rxq_init)
2385{
2386 u16 max_sge = 0;
2387 u16 sge_sz = 0;
2388 u16 tpa_agg_size = 0;
2389
2390 /* calculate queue flags */
2391 u16 flags = bnx2x_get_cl_flags(bp, fp);
2392
2393 if (!fp->disable_tpa) {
2394 pause->sge_th_hi = 250;
2395 pause->sge_th_lo = 150;
2396 tpa_agg_size = min_t(u32,
2397 (min_t(u32, 8, MAX_SKB_FRAGS) *
2398 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2399 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2400 SGE_PAGE_SHIFT;
2401 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2402 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2403 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2404 0xffff);
2405 }
2406
2407 /* pause - not for e1 */
2408 if (!CHIP_IS_E1(bp)) {
2409 pause->bd_th_hi = 350;
2410 pause->bd_th_lo = 250;
2411 pause->rcq_th_hi = 350;
2412 pause->rcq_th_lo = 250;
2413 pause->sge_th_hi = 0;
2414 pause->sge_th_lo = 0;
2415 pause->pri_map = 1;
2416 }
2417
2418 /* rxq setup */
2419 rxq_init->flags = flags;
2420 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2421 rxq_init->dscr_map = fp->rx_desc_mapping;
2422 rxq_init->sge_map = fp->rx_sge_mapping;
2423 rxq_init->rcq_map = fp->rx_comp_mapping;
2424 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002425
2426 /* Always use mini-jumbo MTU for FCoE L2 ring */
2427 if (IS_FCOE_FP(fp))
2428 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2429 else
2430 rxq_init->mtu = bp->dev->mtu;
2431
2432 rxq_init->buf_sz = fp->rx_buf_size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002433 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2434 rxq_init->cl_id = fp->cl_id;
2435 rxq_init->spcl_id = fp->cl_id;
2436 rxq_init->stat_id = fp->cl_id;
2437 rxq_init->tpa_agg_sz = tpa_agg_size;
2438 rxq_init->sge_buf_sz = sge_sz;
2439 rxq_init->max_sges_pkt = max_sge;
2440 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2441 rxq_init->fw_sb_id = fp->fw_sb_id;
2442
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002443 if (IS_FCOE_FP(fp))
2444 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2445 else
2446 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002447
2448 rxq_init->cid = HW_CID(bp, fp->cid);
2449
2450 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2451}
2452
2453static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2454 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2455{
2456 u16 flags = bnx2x_get_cl_flags(bp, fp);
2457
2458 txq_init->flags = flags;
2459 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2460 txq_init->dscr_map = fp->tx_desc_mapping;
2461 txq_init->stat_id = fp->cl_id;
2462 txq_init->cid = HW_CID(bp, fp->cid);
2463 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2464 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2465 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002466
2467 if (IS_FCOE_FP(fp)) {
2468 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2469 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2470 }
2471
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002472 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2473}
2474
stephen hemminger8d962862010-10-21 07:50:56 +00002475static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002476{
2477 struct bnx2x_func_init_params func_init = {0};
2478 struct bnx2x_rss_params rss = {0};
2479 struct event_ring_data eq_data = { {0} };
2480 u16 flags;
2481
2482 /* pf specific setups */
2483 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002484 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002485
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002486 if (CHIP_IS_E2(bp)) {
2487 /* reset IGU PF statistics: MSIX + ATTN */
2488 /* PF */
2489 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2490 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2491 (CHIP_MODE_IS_4_PORT(bp) ?
2492 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2493 /* ATTN */
2494 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2495 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2496 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2497 (CHIP_MODE_IS_4_PORT(bp) ?
2498 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2499 }
2500
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002501 /* function setup flags */
2502 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2503
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002504 if (CHIP_IS_E1x(bp))
2505 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2506 else
2507 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002508
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002509 /* function setup */
2510
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002511 /**
2512 * Although RSS is meaningless when there is a single HW queue we
2513 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002514 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002515 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2516 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2517 rss.mode = bp->multi_mode;
2518 rss.result_mask = MULTI_MASK;
2519 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002520
2521 func_init.func_flgs = flags;
2522 func_init.pf_id = BP_FUNC(bp);
2523 func_init.func_id = BP_FUNC(bp);
2524 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2525 func_init.spq_map = bp->spq_mapping;
2526 func_init.spq_prod = bp->spq_prod_idx;
2527
2528 bnx2x_func_init(bp, &func_init);
2529
2530 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2531
2532 /*
2533 Congestion management values depend on the link rate
2534 There is no active link so initial link rate is set to 10 Gbps.
2535 When the link comes up The congestion management values are
2536 re-calculated according to the actual link rate.
2537 */
2538 bp->link_vars.line_speed = SPEED_10000;
2539 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2540
2541 /* Only the PMF sets the HW */
2542 if (bp->port.pmf)
2543 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2544
2545 /* no rx until link is up */
2546 bp->rx_mode = BNX2X_RX_MODE_NONE;
2547 bnx2x_set_storm_rx_mode(bp);
2548
2549 /* init Event Queue */
2550 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2551 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2552 eq_data.producer = bp->eq_prod;
2553 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2554 eq_data.sb_id = DEF_SB_ID;
2555 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2556}
2557
2558
Eilon Greenstein2691d512009-08-12 08:22:08 +00002559static void bnx2x_e1h_disable(struct bnx2x *bp)
2560{
2561 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002562
2563 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002564
2565 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2566
Eilon Greenstein2691d512009-08-12 08:22:08 +00002567 netif_carrier_off(bp->dev);
2568}
2569
2570static void bnx2x_e1h_enable(struct bnx2x *bp)
2571{
2572 int port = BP_PORT(bp);
2573
2574 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2575
Eilon Greenstein2691d512009-08-12 08:22:08 +00002576 /* Tx queue should be only reenabled */
2577 netif_tx_wake_all_queues(bp->dev);
2578
Eilon Greenstein061bc702009-10-15 00:18:47 -07002579 /*
2580 * Should not call netif_carrier_on since it will be called if the link
2581 * is up when checking for link state
2582 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002583}
2584
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002585/* called due to MCP event (on pmf):
2586 * reread new bandwidth configuration
2587 * configure FW
2588 * notify others function about the change
2589 */
2590static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2591{
2592 if (bp->link_vars.link_up) {
2593 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2594 bnx2x_link_sync_notify(bp);
2595 }
2596 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2597}
2598
2599static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2600{
2601 bnx2x_config_mf_bw(bp);
2602 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2603}
2604
Eilon Greenstein2691d512009-08-12 08:22:08 +00002605static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2606{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002607 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002608
2609 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2610
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002611 /*
2612 * This is the only place besides the function initialization
2613 * where the bp->flags can change so it is done without any
2614 * locks
2615 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002616 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002617 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002618 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002619
2620 bnx2x_e1h_disable(bp);
2621 } else {
2622 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002623 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002624
2625 bnx2x_e1h_enable(bp);
2626 }
2627 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2628 }
2629 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002630 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002631 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2632 }
2633
2634 /* Report results to MCP */
2635 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002636 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002637 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002638 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002639}
2640
Michael Chan28912902009-10-10 13:46:53 +00002641/* must be called under the spq lock */
2642static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2643{
2644 struct eth_spe *next_spe = bp->spq_prod_bd;
2645
2646 if (bp->spq_prod_bd == bp->spq_last_bd) {
2647 bp->spq_prod_bd = bp->spq;
2648 bp->spq_prod_idx = 0;
2649 DP(NETIF_MSG_TIMER, "end of spq\n");
2650 } else {
2651 bp->spq_prod_bd++;
2652 bp->spq_prod_idx++;
2653 }
2654 return next_spe;
2655}
2656
2657/* must be called under the spq lock */
2658static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2659{
2660 int func = BP_FUNC(bp);
2661
2662 /* Make sure that BD data is updated before writing the producer */
2663 wmb();
2664
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002665 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002666 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002667 mmiowb();
2668}
2669
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002670/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002671int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002672 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002673{
Michael Chan28912902009-10-10 13:46:53 +00002674 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002675 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002676
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002677#ifdef BNX2X_STOP_ON_ERROR
2678 if (unlikely(bp->panic))
2679 return -EIO;
2680#endif
2681
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002682 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002683
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002684 if (common) {
2685 if (!atomic_read(&bp->eq_spq_left)) {
2686 BNX2X_ERR("BUG! EQ ring full!\n");
2687 spin_unlock_bh(&bp->spq_lock);
2688 bnx2x_panic();
2689 return -EBUSY;
2690 }
2691 } else if (!atomic_read(&bp->cq_spq_left)) {
2692 BNX2X_ERR("BUG! SPQ ring full!\n");
2693 spin_unlock_bh(&bp->spq_lock);
2694 bnx2x_panic();
2695 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002696 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002697
Michael Chan28912902009-10-10 13:46:53 +00002698 spe = bnx2x_sp_get_next(bp);
2699
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002700 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002701 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002702 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2703 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002704
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002705 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002706 /* Common ramrods:
2707 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2708 * TRAFFIC_STOP, TRAFFIC_START
2709 */
2710 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2711 & SPE_HDR_CONN_TYPE;
2712 else
2713 /* ETH ramrods: SETUP, HALT */
2714 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2715 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002716
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002717 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2718 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002719
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002720 spe->hdr.type = cpu_to_le16(type);
2721
2722 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2723 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2724
2725 /* stats ramrod has it's own slot on the spq */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002726 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002727 /* It's ok if the actual decrement is issued towards the memory
2728 * somewhere between the spin_lock and spin_unlock. Thus no
2729 * more explict memory barrier is needed.
2730 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002731 if (common)
2732 atomic_dec(&bp->eq_spq_left);
2733 else
2734 atomic_dec(&bp->cq_spq_left);
2735 }
2736
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002737
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002738 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002739 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002740 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002741 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2742 (u32)(U64_LO(bp->spq_mapping) +
2743 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002744 HW_CID(bp, cid), data_hi, data_lo, type,
2745 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002746
Michael Chan28912902009-10-10 13:46:53 +00002747 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002748 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002749 return 0;
2750}
2751
2752/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002753static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002754{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002755 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002756 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002757
2758 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002759 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002760 val = (1UL << 31);
2761 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2762 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2763 if (val & (1L << 31))
2764 break;
2765
2766 msleep(5);
2767 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002768 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002769 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002770 rc = -EBUSY;
2771 }
2772
2773 return rc;
2774}
2775
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002776/* release split MCP access lock register */
2777static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002778{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002779 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002780}
2781
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002782#define BNX2X_DEF_SB_ATT_IDX 0x0001
2783#define BNX2X_DEF_SB_IDX 0x0002
2784
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002785static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2786{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002787 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002788 u16 rc = 0;
2789
2790 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002791 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2792 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002793 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002794 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002795
2796 if (bp->def_idx != def_sb->sp_sb.running_index) {
2797 bp->def_idx = def_sb->sp_sb.running_index;
2798 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002799 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002800
2801 /* Do not reorder: indecies reading should complete before handling */
2802 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002803 return rc;
2804}
2805
2806/*
2807 * slow path service functions
2808 */
2809
2810static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2811{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002812 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002813 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2814 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002815 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2816 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002817 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002818 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002819 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002820
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002821 if (bp->attn_state & asserted)
2822 BNX2X_ERR("IGU ERROR\n");
2823
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002824 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2825 aeu_mask = REG_RD(bp, aeu_addr);
2826
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002827 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002828 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002829 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002830 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002831
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002832 REG_WR(bp, aeu_addr, aeu_mask);
2833 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002834
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002835 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002836 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002837 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002838
2839 if (asserted & ATTN_HARD_WIRED_MASK) {
2840 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002841
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002842 bnx2x_acquire_phy_lock(bp);
2843
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002844 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002845 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002846 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002847
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002848 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002849
2850 /* handle unicore attn? */
2851 }
2852 if (asserted & ATTN_SW_TIMER_4_FUNC)
2853 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2854
2855 if (asserted & GPIO_2_FUNC)
2856 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2857
2858 if (asserted & GPIO_3_FUNC)
2859 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2860
2861 if (asserted & GPIO_4_FUNC)
2862 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2863
2864 if (port == 0) {
2865 if (asserted & ATTN_GENERAL_ATTN_1) {
2866 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2867 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2868 }
2869 if (asserted & ATTN_GENERAL_ATTN_2) {
2870 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2871 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2872 }
2873 if (asserted & ATTN_GENERAL_ATTN_3) {
2874 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2875 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2876 }
2877 } else {
2878 if (asserted & ATTN_GENERAL_ATTN_4) {
2879 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2880 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2881 }
2882 if (asserted & ATTN_GENERAL_ATTN_5) {
2883 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2884 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2885 }
2886 if (asserted & ATTN_GENERAL_ATTN_6) {
2887 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2888 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2889 }
2890 }
2891
2892 } /* if hardwired */
2893
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002894 if (bp->common.int_block == INT_BLOCK_HC)
2895 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2896 COMMAND_REG_ATTN_BITS_SET);
2897 else
2898 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2899
2900 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2901 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2902 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002903
2904 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002905 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002906 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002907 bnx2x_release_phy_lock(bp);
2908 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002909}
2910
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002911static inline void bnx2x_fan_failure(struct bnx2x *bp)
2912{
2913 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002914 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002915 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002916 ext_phy_config =
2917 SHMEM_RD(bp,
2918 dev_info.port_hw_config[port].external_phy_config);
2919
2920 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2921 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002922 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002923 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002924
2925 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002926 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2927 " the driver to shutdown the card to prevent permanent"
2928 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002929}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002930
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002931static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2932{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002933 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002934 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002935 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002936
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002937 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2938 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002939
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002940 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002941
2942 val = REG_RD(bp, reg_offset);
2943 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2944 REG_WR(bp, reg_offset, val);
2945
2946 BNX2X_ERR("SPIO5 hw attention\n");
2947
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002948 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002949 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002950 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002951 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002952
Eilon Greenstein589abe32009-02-12 08:36:55 +00002953 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2954 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2955 bnx2x_acquire_phy_lock(bp);
2956 bnx2x_handle_module_detect_int(&bp->link_params);
2957 bnx2x_release_phy_lock(bp);
2958 }
2959
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002960 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2961
2962 val = REG_RD(bp, reg_offset);
2963 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2964 REG_WR(bp, reg_offset, val);
2965
2966 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00002967 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002968 bnx2x_panic();
2969 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002970}
2971
2972static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2973{
2974 u32 val;
2975
Eilon Greenstein0626b892009-02-12 08:38:14 +00002976 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002977
2978 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2979 BNX2X_ERR("DB hw attention 0x%x\n", val);
2980 /* DORQ discard attention */
2981 if (val & 0x2)
2982 BNX2X_ERR("FATAL error from DORQ\n");
2983 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002984
2985 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2986
2987 int port = BP_PORT(bp);
2988 int reg_offset;
2989
2990 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
2991 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
2992
2993 val = REG_RD(bp, reg_offset);
2994 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
2995 REG_WR(bp, reg_offset, val);
2996
2997 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00002998 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002999 bnx2x_panic();
3000 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003001}
3002
3003static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3004{
3005 u32 val;
3006
3007 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3008
3009 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3010 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3011 /* CFC error attention */
3012 if (val & 0x2)
3013 BNX2X_ERR("FATAL error from CFC\n");
3014 }
3015
3016 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3017
3018 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3019 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3020 /* RQ_USDMDP_FIFO_OVERFLOW */
3021 if (val & 0x18000)
3022 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003023 if (CHIP_IS_E2(bp)) {
3024 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3025 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3026 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003027 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003028
3029 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3030
3031 int port = BP_PORT(bp);
3032 int reg_offset;
3033
3034 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3035 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3036
3037 val = REG_RD(bp, reg_offset);
3038 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3039 REG_WR(bp, reg_offset, val);
3040
3041 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003042 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003043 bnx2x_panic();
3044 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003045}
3046
3047static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3048{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003049 u32 val;
3050
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003051 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3052
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003053 if (attn & BNX2X_PMF_LINK_ASSERT) {
3054 int func = BP_FUNC(bp);
3055
3056 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003057 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3058 func_mf_config[BP_ABS_FUNC(bp)].config);
3059 val = SHMEM_RD(bp,
3060 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003061 if (val & DRV_STATUS_DCC_EVENT_MASK)
3062 bnx2x_dcc_event(bp,
3063 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003064
3065 if (val & DRV_STATUS_SET_MF_BW)
3066 bnx2x_set_mf_bw(bp);
3067
Eilon Greenstein2691d512009-08-12 08:22:08 +00003068 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003069 bnx2x_pmf_update(bp);
3070
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00003071 /* Always call it here: bnx2x_link_report() will
3072 * prevent the link indication duplication.
3073 */
3074 bnx2x__link_status_update(bp);
3075
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003076 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003077 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3078 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003079 /* start dcbx state machine */
3080 bnx2x_dcbx_set_params(bp,
3081 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003082 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003083
3084 BNX2X_ERR("MC assert!\n");
3085 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3086 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3087 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3088 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3089 bnx2x_panic();
3090
3091 } else if (attn & BNX2X_MCP_ASSERT) {
3092
3093 BNX2X_ERR("MCP assert!\n");
3094 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003095 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003096
3097 } else
3098 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3099 }
3100
3101 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003102 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3103 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003104 val = CHIP_IS_E1(bp) ? 0 :
3105 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003106 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3107 }
3108 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003109 val = CHIP_IS_E1(bp) ? 0 :
3110 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003111 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3112 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003113 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003114 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003115}
3116
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003117#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3118#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3119#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3120#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3121#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003122
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003123/*
3124 * should be run under rtnl lock
3125 */
3126static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3127{
3128 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3129 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3130 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3131 barrier();
3132 mmiowb();
3133}
3134
3135/*
3136 * should be run under rtnl lock
3137 */
3138static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3139{
3140 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3141 val |= (1 << 16);
3142 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3143 barrier();
3144 mmiowb();
3145}
3146
3147/*
3148 * should be run under rtnl lock
3149 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003150bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003151{
3152 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3153 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3154 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3155}
3156
3157/*
3158 * should be run under rtnl lock
3159 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003160inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003161{
3162 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3163
3164 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3165
3166 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3167 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3168 barrier();
3169 mmiowb();
3170}
3171
3172/*
3173 * should be run under rtnl lock
3174 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003175u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003176{
3177 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3178
3179 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3180
3181 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3182 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3183 barrier();
3184 mmiowb();
3185
3186 return val1;
3187}
3188
3189/*
3190 * should be run under rtnl lock
3191 */
3192static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3193{
3194 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3195}
3196
3197static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3198{
3199 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3200 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3201}
3202
3203static inline void _print_next_block(int idx, const char *blk)
3204{
3205 if (idx)
3206 pr_cont(", ");
3207 pr_cont("%s", blk);
3208}
3209
3210static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3211{
3212 int i = 0;
3213 u32 cur_bit = 0;
3214 for (i = 0; sig; i++) {
3215 cur_bit = ((u32)0x1 << i);
3216 if (sig & cur_bit) {
3217 switch (cur_bit) {
3218 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3219 _print_next_block(par_num++, "BRB");
3220 break;
3221 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3222 _print_next_block(par_num++, "PARSER");
3223 break;
3224 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3225 _print_next_block(par_num++, "TSDM");
3226 break;
3227 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3228 _print_next_block(par_num++, "SEARCHER");
3229 break;
3230 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3231 _print_next_block(par_num++, "TSEMI");
3232 break;
3233 }
3234
3235 /* Clear the bit */
3236 sig &= ~cur_bit;
3237 }
3238 }
3239
3240 return par_num;
3241}
3242
3243static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3244{
3245 int i = 0;
3246 u32 cur_bit = 0;
3247 for (i = 0; sig; i++) {
3248 cur_bit = ((u32)0x1 << i);
3249 if (sig & cur_bit) {
3250 switch (cur_bit) {
3251 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3252 _print_next_block(par_num++, "PBCLIENT");
3253 break;
3254 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3255 _print_next_block(par_num++, "QM");
3256 break;
3257 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3258 _print_next_block(par_num++, "XSDM");
3259 break;
3260 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3261 _print_next_block(par_num++, "XSEMI");
3262 break;
3263 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3264 _print_next_block(par_num++, "DOORBELLQ");
3265 break;
3266 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3267 _print_next_block(par_num++, "VAUX PCI CORE");
3268 break;
3269 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3270 _print_next_block(par_num++, "DEBUG");
3271 break;
3272 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3273 _print_next_block(par_num++, "USDM");
3274 break;
3275 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3276 _print_next_block(par_num++, "USEMI");
3277 break;
3278 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3279 _print_next_block(par_num++, "UPB");
3280 break;
3281 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3282 _print_next_block(par_num++, "CSDM");
3283 break;
3284 }
3285
3286 /* Clear the bit */
3287 sig &= ~cur_bit;
3288 }
3289 }
3290
3291 return par_num;
3292}
3293
3294static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3295{
3296 int i = 0;
3297 u32 cur_bit = 0;
3298 for (i = 0; sig; i++) {
3299 cur_bit = ((u32)0x1 << i);
3300 if (sig & cur_bit) {
3301 switch (cur_bit) {
3302 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3303 _print_next_block(par_num++, "CSEMI");
3304 break;
3305 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3306 _print_next_block(par_num++, "PXP");
3307 break;
3308 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3309 _print_next_block(par_num++,
3310 "PXPPCICLOCKCLIENT");
3311 break;
3312 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3313 _print_next_block(par_num++, "CFC");
3314 break;
3315 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3316 _print_next_block(par_num++, "CDU");
3317 break;
3318 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3319 _print_next_block(par_num++, "IGU");
3320 break;
3321 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3322 _print_next_block(par_num++, "MISC");
3323 break;
3324 }
3325
3326 /* Clear the bit */
3327 sig &= ~cur_bit;
3328 }
3329 }
3330
3331 return par_num;
3332}
3333
3334static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3335{
3336 int i = 0;
3337 u32 cur_bit = 0;
3338 for (i = 0; sig; i++) {
3339 cur_bit = ((u32)0x1 << i);
3340 if (sig & cur_bit) {
3341 switch (cur_bit) {
3342 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3343 _print_next_block(par_num++, "MCP ROM");
3344 break;
3345 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3346 _print_next_block(par_num++, "MCP UMP RX");
3347 break;
3348 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3349 _print_next_block(par_num++, "MCP UMP TX");
3350 break;
3351 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3352 _print_next_block(par_num++, "MCP SCPAD");
3353 break;
3354 }
3355
3356 /* Clear the bit */
3357 sig &= ~cur_bit;
3358 }
3359 }
3360
3361 return par_num;
3362}
3363
3364static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3365 u32 sig2, u32 sig3)
3366{
3367 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3368 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3369 int par_num = 0;
3370 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3371 "[0]:0x%08x [1]:0x%08x "
3372 "[2]:0x%08x [3]:0x%08x\n",
3373 sig0 & HW_PRTY_ASSERT_SET_0,
3374 sig1 & HW_PRTY_ASSERT_SET_1,
3375 sig2 & HW_PRTY_ASSERT_SET_2,
3376 sig3 & HW_PRTY_ASSERT_SET_3);
3377 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3378 bp->dev->name);
3379 par_num = bnx2x_print_blocks_with_parity0(
3380 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3381 par_num = bnx2x_print_blocks_with_parity1(
3382 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3383 par_num = bnx2x_print_blocks_with_parity2(
3384 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3385 par_num = bnx2x_print_blocks_with_parity3(
3386 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3387 printk("\n");
3388 return true;
3389 } else
3390 return false;
3391}
3392
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003393bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003394{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003395 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003396 int port = BP_PORT(bp);
3397
3398 attn.sig[0] = REG_RD(bp,
3399 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3400 port*4);
3401 attn.sig[1] = REG_RD(bp,
3402 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3403 port*4);
3404 attn.sig[2] = REG_RD(bp,
3405 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3406 port*4);
3407 attn.sig[3] = REG_RD(bp,
3408 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3409 port*4);
3410
3411 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3412 attn.sig[3]);
3413}
3414
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003415
3416static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3417{
3418 u32 val;
3419 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3420
3421 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3422 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3423 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3424 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3425 "ADDRESS_ERROR\n");
3426 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3427 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3428 "INCORRECT_RCV_BEHAVIOR\n");
3429 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3430 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3431 "WAS_ERROR_ATTN\n");
3432 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3433 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3434 "VF_LENGTH_VIOLATION_ATTN\n");
3435 if (val &
3436 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3437 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3438 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3439 if (val &
3440 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3441 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3442 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3443 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3444 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3445 "TCPL_ERROR_ATTN\n");
3446 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3447 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3448 "TCPL_IN_TWO_RCBS_ATTN\n");
3449 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3450 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3451 "CSSNOOP_FIFO_OVERFLOW\n");
3452 }
3453 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3454 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3455 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3456 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3457 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3458 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3459 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3460 "_ATC_TCPL_TO_NOT_PEND\n");
3461 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3462 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3463 "ATC_GPA_MULTIPLE_HITS\n");
3464 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3465 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3466 "ATC_RCPL_TO_EMPTY_CNT\n");
3467 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3468 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3469 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3470 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3471 "ATC_IREQ_LESS_THAN_STU\n");
3472 }
3473
3474 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3475 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3476 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3477 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3478 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3479 }
3480
3481}
3482
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003483static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3484{
3485 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003486 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003487 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003488 u32 reg_addr;
3489 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003490 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003491
3492 /* need to take HW lock because MCP or other port might also
3493 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003494 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003495
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003496 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003497 bp->recovery_state = BNX2X_RECOVERY_INIT;
3498 bnx2x_set_reset_in_progress(bp);
3499 schedule_delayed_work(&bp->reset_task, 0);
3500 /* Disable HW interrupts */
3501 bnx2x_int_disable(bp);
3502 bnx2x_release_alr(bp);
3503 /* In case of parity errors don't handle attentions so that
3504 * other function would "see" parity errors.
3505 */
3506 return;
3507 }
3508
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003509 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3510 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3511 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3512 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003513 if (CHIP_IS_E2(bp))
3514 attn.sig[4] =
3515 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3516 else
3517 attn.sig[4] = 0;
3518
3519 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3520 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003521
3522 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3523 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003524 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003525
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003526 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3527 "%08x %08x %08x\n",
3528 index,
3529 group_mask->sig[0], group_mask->sig[1],
3530 group_mask->sig[2], group_mask->sig[3],
3531 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003532
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003533 bnx2x_attn_int_deasserted4(bp,
3534 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003535 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003536 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003537 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003538 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003539 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003540 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003541 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003542 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003543 }
3544 }
3545
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003546 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003547
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003548 if (bp->common.int_block == INT_BLOCK_HC)
3549 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3550 COMMAND_REG_ATTN_BITS_CLR);
3551 else
3552 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003553
3554 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003555 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3556 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003557 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003558
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003559 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003560 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003561
3562 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3563 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3564
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003565 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3566 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003567
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003568 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3569 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003570 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003571 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3572
3573 REG_WR(bp, reg_addr, aeu_mask);
3574 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003575
3576 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3577 bp->attn_state &= ~deasserted;
3578 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3579}
3580
3581static void bnx2x_attn_int(struct bnx2x *bp)
3582{
3583 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003584 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3585 attn_bits);
3586 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3587 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003588 u32 attn_state = bp->attn_state;
3589
3590 /* look for changed bits */
3591 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3592 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3593
3594 DP(NETIF_MSG_HW,
3595 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3596 attn_bits, attn_ack, asserted, deasserted);
3597
3598 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003599 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003600
3601 /* handle bits that were raised */
3602 if (asserted)
3603 bnx2x_attn_int_asserted(bp, asserted);
3604
3605 if (deasserted)
3606 bnx2x_attn_int_deasserted(bp, deasserted);
3607}
3608
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003609static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3610{
3611 /* No memory barriers */
3612 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3613 mmiowb(); /* keep prod updates ordered */
3614}
3615
3616#ifdef BCM_CNIC
3617static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3618 union event_ring_elem *elem)
3619{
3620 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00003621 (cid < bp->cnic_eth_dev.starting_cid &&
3622 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003623 return 1;
3624
3625 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3626
3627 if (unlikely(elem->message.data.cfc_del_event.error)) {
3628 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3629 cid);
3630 bnx2x_panic_dump(bp);
3631 }
3632 bnx2x_cnic_cfc_comp(bp, cid);
3633 return 0;
3634}
3635#endif
3636
3637static void bnx2x_eq_int(struct bnx2x *bp)
3638{
3639 u16 hw_cons, sw_cons, sw_prod;
3640 union event_ring_elem *elem;
3641 u32 cid;
3642 u8 opcode;
3643 int spqe_cnt = 0;
3644
3645 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3646
3647 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3648 * when we get the the next-page we nned to adjust so the loop
3649 * condition below will be met. The next element is the size of a
3650 * regular element and hence incrementing by 1
3651 */
3652 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3653 hw_cons++;
3654
Lucas De Marchi25985ed2011-03-30 22:57:33 -03003655 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003656 * specific bp, thus there is no need in "paired" read memory
3657 * barrier here.
3658 */
3659 sw_cons = bp->eq_cons;
3660 sw_prod = bp->eq_prod;
3661
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003662 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->cq_spq_left %u\n",
3663 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003664
3665 for (; sw_cons != hw_cons;
3666 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3667
3668
3669 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3670
3671 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3672 opcode = elem->message.opcode;
3673
3674
3675 /* handle eq element */
3676 switch (opcode) {
3677 case EVENT_RING_OPCODE_STAT_QUERY:
3678 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3679 /* nothing to do with stats comp */
3680 continue;
3681
3682 case EVENT_RING_OPCODE_CFC_DEL:
3683 /* handle according to cid range */
3684 /*
3685 * we may want to verify here that the bp state is
3686 * HALTING
3687 */
3688 DP(NETIF_MSG_IFDOWN,
3689 "got delete ramrod for MULTI[%d]\n", cid);
3690#ifdef BCM_CNIC
3691 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3692 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003693 if (cid == BNX2X_FCOE_ETH_CID)
3694 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3695 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003696#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003697 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003698 BNX2X_FP_STATE_CLOSED;
3699
3700 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003701
3702 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3703 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3704 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3705 goto next_spqe;
3706 case EVENT_RING_OPCODE_START_TRAFFIC:
3707 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3708 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3709 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003710 }
3711
3712 switch (opcode | bp->state) {
3713 case (EVENT_RING_OPCODE_FUNCTION_START |
3714 BNX2X_STATE_OPENING_WAIT4_PORT):
3715 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3716 bp->state = BNX2X_STATE_FUNC_STARTED;
3717 break;
3718
3719 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3720 BNX2X_STATE_CLOSING_WAIT4_HALT):
3721 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3722 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3723 break;
3724
3725 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3726 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3727 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003728 if (elem->message.data.set_mac_event.echo)
3729 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003730 break;
3731
3732 case (EVENT_RING_OPCODE_SET_MAC |
3733 BNX2X_STATE_CLOSING_WAIT4_HALT):
3734 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003735 if (elem->message.data.set_mac_event.echo)
3736 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003737 break;
3738 default:
3739 /* unknown event log error and continue */
3740 BNX2X_ERR("Unknown EQ event %d\n",
3741 elem->message.opcode);
3742 }
3743next_spqe:
3744 spqe_cnt++;
3745 } /* for */
3746
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003747 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003748 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003749
3750 bp->eq_cons = sw_cons;
3751 bp->eq_prod = sw_prod;
3752 /* Make sure that above mem writes were issued towards the memory */
3753 smp_wmb();
3754
3755 /* update producer */
3756 bnx2x_update_eq_prod(bp, bp->eq_prod);
3757}
3758
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003759static void bnx2x_sp_task(struct work_struct *work)
3760{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003761 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003762 u16 status;
3763
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003764 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003765/* if (status == 0) */
3766/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003767
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003768 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003769
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003770 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003771 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003772 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003773 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003774 }
3775
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003776 /* SP events: STAT_QUERY and others */
3777 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003778#ifdef BCM_CNIC
3779 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003780
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003781 if ((!NO_FCOE(bp)) &&
3782 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3783 napi_schedule(&bnx2x_fcoe(bp, napi));
3784#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003785 /* Handle EQ completions */
3786 bnx2x_eq_int(bp);
3787
3788 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3789 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3790
3791 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003792 }
3793
3794 if (unlikely(status))
3795 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3796 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003797
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003798 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3799 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003800}
3801
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003802irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003803{
3804 struct net_device *dev = dev_instance;
3805 struct bnx2x *bp = netdev_priv(dev);
3806
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003807 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3808 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003809
3810#ifdef BNX2X_STOP_ON_ERROR
3811 if (unlikely(bp->panic))
3812 return IRQ_HANDLED;
3813#endif
3814
Michael Chan993ac7b2009-10-10 13:46:56 +00003815#ifdef BCM_CNIC
3816 {
3817 struct cnic_ops *c_ops;
3818
3819 rcu_read_lock();
3820 c_ops = rcu_dereference(bp->cnic_ops);
3821 if (c_ops)
3822 c_ops->cnic_handler(bp->cnic_data, NULL);
3823 rcu_read_unlock();
3824 }
3825#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003826 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003827
3828 return IRQ_HANDLED;
3829}
3830
3831/* end of slow path */
3832
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003833static void bnx2x_timer(unsigned long data)
3834{
3835 struct bnx2x *bp = (struct bnx2x *) data;
3836
3837 if (!netif_running(bp->dev))
3838 return;
3839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003840 if (poll) {
3841 struct bnx2x_fastpath *fp = &bp->fp[0];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003842
Eilon Greenstein7961f792009-03-02 07:59:31 +00003843 bnx2x_tx_int(fp);
David S. Millerb8ee8322011-04-17 16:56:12 -07003844 bnx2x_rx_int(fp, 1000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003845 }
3846
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003847 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003848 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003849 u32 drv_pulse;
3850 u32 mcp_pulse;
3851
3852 ++bp->fw_drv_pulse_wr_seq;
3853 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3854 /* TBD - add SYSTEM_TIME */
3855 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003856 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003857
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003858 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003859 MCP_PULSE_SEQ_MASK);
3860 /* The delta between driver pulse and mcp response
3861 * should be 1 (before mcp response) or 0 (after mcp response)
3862 */
3863 if ((drv_pulse != mcp_pulse) &&
3864 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3865 /* someone lost a heartbeat... */
3866 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3867 drv_pulse, mcp_pulse);
3868 }
3869 }
3870
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003871 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003872 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003873
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003874 mod_timer(&bp->timer, jiffies + bp->current_interval);
3875}
3876
3877/* end of Statistics */
3878
3879/* nic init */
3880
3881/*
3882 * nic init service functions
3883 */
3884
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003885static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003886{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003887 u32 i;
3888 if (!(len%4) && !(addr%4))
3889 for (i = 0; i < len; i += 4)
3890 REG_WR(bp, addr + i, fill);
3891 else
3892 for (i = 0; i < len; i++)
3893 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003894
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003895}
3896
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003897/* helper: writes FP SP data to FW - data_size in dwords */
3898static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3899 int fw_sb_id,
3900 u32 *sb_data_p,
3901 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003902{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003903 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003904 for (index = 0; index < data_size; index++)
3905 REG_WR(bp, BAR_CSTRORM_INTMEM +
3906 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3907 sizeof(u32)*index,
3908 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003909}
3910
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003911static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3912{
3913 u32 *sb_data_p;
3914 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003915 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003916 struct hc_status_block_data_e1x sb_data_e1x;
3917
3918 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003919 if (CHIP_IS_E2(bp)) {
3920 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3921 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3922 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3923 sb_data_e2.common.p_func.vf_valid = false;
3924 sb_data_p = (u32 *)&sb_data_e2;
3925 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3926 } else {
3927 memset(&sb_data_e1x, 0,
3928 sizeof(struct hc_status_block_data_e1x));
3929 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3930 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3931 sb_data_e1x.common.p_func.vf_valid = false;
3932 sb_data_p = (u32 *)&sb_data_e1x;
3933 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3934 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003935 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3936
3937 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3938 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3939 CSTORM_STATUS_BLOCK_SIZE);
3940 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3941 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3942 CSTORM_SYNC_BLOCK_SIZE);
3943}
3944
3945/* helper: writes SP SB data to FW */
3946static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3947 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003948{
3949 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003950 int i;
3951 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
3952 REG_WR(bp, BAR_CSTRORM_INTMEM +
3953 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
3954 i*sizeof(u32),
3955 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003956}
3957
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003958static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
3959{
3960 int func = BP_FUNC(bp);
3961 struct hc_sp_status_block_data sp_sb_data;
3962 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
3963
3964 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
3965 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
3966 sp_sb_data.p_func.vf_valid = false;
3967
3968 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
3969
3970 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3971 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
3972 CSTORM_SP_STATUS_BLOCK_SIZE);
3973 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3974 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
3975 CSTORM_SP_SYNC_BLOCK_SIZE);
3976
3977}
3978
3979
3980static inline
3981void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
3982 int igu_sb_id, int igu_seg_id)
3983{
3984 hc_sm->igu_sb_id = igu_sb_id;
3985 hc_sm->igu_seg_id = igu_seg_id;
3986 hc_sm->timer_value = 0xFF;
3987 hc_sm->time_to_expire = 0xFFFFFFFF;
3988}
3989
stephen hemminger8d962862010-10-21 07:50:56 +00003990static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003991 u8 vf_valid, int fw_sb_id, int igu_sb_id)
3992{
3993 int igu_seg_id;
3994
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003995 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003996 struct hc_status_block_data_e1x sb_data_e1x;
3997 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003998 int data_size;
3999 u32 *sb_data_p;
4000
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004001 if (CHIP_INT_MODE_IS_BC(bp))
4002 igu_seg_id = HC_SEG_ACCESS_NORM;
4003 else
4004 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004005
4006 bnx2x_zero_fp_sb(bp, fw_sb_id);
4007
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004008 if (CHIP_IS_E2(bp)) {
4009 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4010 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4011 sb_data_e2.common.p_func.vf_id = vfid;
4012 sb_data_e2.common.p_func.vf_valid = vf_valid;
4013 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4014 sb_data_e2.common.same_igu_sb_1b = true;
4015 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4016 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4017 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004018 sb_data_p = (u32 *)&sb_data_e2;
4019 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4020 } else {
4021 memset(&sb_data_e1x, 0,
4022 sizeof(struct hc_status_block_data_e1x));
4023 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4024 sb_data_e1x.common.p_func.vf_id = 0xff;
4025 sb_data_e1x.common.p_func.vf_valid = false;
4026 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4027 sb_data_e1x.common.same_igu_sb_1b = true;
4028 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4029 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4030 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004031 sb_data_p = (u32 *)&sb_data_e1x;
4032 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4033 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004034
4035 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4036 igu_sb_id, igu_seg_id);
4037 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4038 igu_sb_id, igu_seg_id);
4039
4040 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4041
4042 /* write indecies to HW */
4043 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4044}
4045
4046static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4047 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004048{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004049 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004050 u8 ticks = usec / BNX2X_BTR;
4051
4052 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4053
4054 disable = disable ? 1 : (usec ? 0 : 1);
4055 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4056}
4057
4058static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4059 u16 tx_usec, u16 rx_usec)
4060{
4061 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4062 false, rx_usec);
4063 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4064 false, tx_usec);
4065}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004066
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004067static void bnx2x_init_def_sb(struct bnx2x *bp)
4068{
4069 struct host_sp_status_block *def_sb = bp->def_status_blk;
4070 dma_addr_t mapping = bp->def_status_blk_mapping;
4071 int igu_sp_sb_index;
4072 int igu_seg_id;
4073 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004074 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004075 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004076 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004077 int index;
4078 struct hc_sp_status_block_data sp_sb_data;
4079 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4080
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004081 if (CHIP_INT_MODE_IS_BC(bp)) {
4082 igu_sp_sb_index = DEF_SB_IGU_ID;
4083 igu_seg_id = HC_SEG_ACCESS_DEF;
4084 } else {
4085 igu_sp_sb_index = bp->igu_dsb_id;
4086 igu_seg_id = IGU_SEG_ACCESS_DEF;
4087 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004088
4089 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004090 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004091 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004092 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004093
Eliezer Tamir49d66772008-02-28 11:53:13 -08004094 bp->attn_state = 0;
4095
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004096 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4097 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004098 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004099 int sindex;
4100 /* take care of sig[0]..sig[4] */
4101 for (sindex = 0; sindex < 4; sindex++)
4102 bp->attn_group[index].sig[sindex] =
4103 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004104
4105 if (CHIP_IS_E2(bp))
4106 /*
4107 * enable5 is separate from the rest of the registers,
4108 * and therefore the address skip is 4
4109 * and not 16 between the different groups
4110 */
4111 bp->attn_group[index].sig[4] = REG_RD(bp,
4112 reg_offset + 0x10 + 0x4*index);
4113 else
4114 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004115 }
4116
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004117 if (bp->common.int_block == INT_BLOCK_HC) {
4118 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4119 HC_REG_ATTN_MSG0_ADDR_L);
4120
4121 REG_WR(bp, reg_offset, U64_LO(section));
4122 REG_WR(bp, reg_offset + 4, U64_HI(section));
4123 } else if (CHIP_IS_E2(bp)) {
4124 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4125 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4126 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004127
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004128 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4129 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004130
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004131 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004132
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004133 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4134 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4135 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4136 sp_sb_data.igu_seg_id = igu_seg_id;
4137 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004138 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004139 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004140
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004141 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004142
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004143 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004144 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004145
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004146 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004147}
4148
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004149void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004150{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004151 int i;
4152
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004153 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004154 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07004155 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004156}
4157
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004158static void bnx2x_init_sp_ring(struct bnx2x *bp)
4159{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004160 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004161 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004162
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004163 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004164 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4165 bp->spq_prod_bd = bp->spq;
4166 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004167}
4168
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004169static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004170{
4171 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004172 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4173 union event_ring_elem *elem =
4174 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004175
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004176 elem->next_page.addr.hi =
4177 cpu_to_le32(U64_HI(bp->eq_mapping +
4178 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4179 elem->next_page.addr.lo =
4180 cpu_to_le32(U64_LO(bp->eq_mapping +
4181 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004182 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004183 bp->eq_cons = 0;
4184 bp->eq_prod = NUM_EQ_DESC;
4185 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004186 /* we want a warning message before it gets rought... */
4187 atomic_set(&bp->eq_spq_left,
4188 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004189}
4190
Tom Herbertab532cf2011-02-16 10:27:02 +00004191void bnx2x_push_indir_table(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004192{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004193 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004194 int i;
4195
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004196 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004197 return;
4198
4199 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004200 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004201 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Tom Herbertab532cf2011-02-16 10:27:02 +00004202 bp->fp->cl_id + bp->rx_indir_table[i]);
4203}
4204
4205static void bnx2x_init_ind_table(struct bnx2x *bp)
4206{
4207 int i;
4208
4209 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4210 bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);
4211
4212 bnx2x_push_indir_table(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004213}
4214
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004215void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004216{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004217 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004218 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004219 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004220 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004221
Eilon Greenstein581ce432009-07-29 00:20:04 +00004222 /* All but management unicast packets should pass to the host as well */
4223 u32 llh_mask =
4224 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4225 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4226 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4227 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004228
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004229 switch (mode) {
4230 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004231 def_q_filters = BNX2X_ACCEPT_NONE;
4232#ifdef BCM_CNIC
4233 if (!NO_FCOE(bp)) {
4234 cl_id = bnx2x_fcoe(bp, cl_id);
4235 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4236 }
4237#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004238 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004239
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004240 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004241 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4242 BNX2X_ACCEPT_MULTICAST;
4243#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004244 if (!NO_FCOE(bp)) {
4245 cl_id = bnx2x_fcoe(bp, cl_id);
4246 bnx2x_rxq_set_mac_filters(bp, cl_id,
4247 BNX2X_ACCEPT_UNICAST |
4248 BNX2X_ACCEPT_MULTICAST);
4249 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004250#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004251 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004252
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004253 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004254 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4255 BNX2X_ACCEPT_ALL_MULTICAST;
4256#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004257 /*
4258 * Prevent duplication of multicast packets by configuring FCoE
4259 * L2 Client to receive only matched unicast frames.
4260 */
4261 if (!NO_FCOE(bp)) {
4262 cl_id = bnx2x_fcoe(bp, cl_id);
4263 bnx2x_rxq_set_mac_filters(bp, cl_id,
4264 BNX2X_ACCEPT_UNICAST);
4265 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004266#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004267 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004268
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004269 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004270 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4271#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004272 /*
4273 * Prevent packets duplication by configuring DROP_ALL for FCoE
4274 * L2 Client.
4275 */
4276 if (!NO_FCOE(bp)) {
4277 cl_id = bnx2x_fcoe(bp, cl_id);
4278 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4279 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004280#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004281 /* pass management unicast packets as well */
4282 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
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 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004286 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4287 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004288 }
4289
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004290 cl_id = BP_L_ID(bp);
4291 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4292
Eilon Greenstein581ce432009-07-29 00:20:04 +00004293 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004294 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4295 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004296
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004297 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4298 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004299 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4300 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004301 bp->mac_filters.ucast_drop_all,
4302 bp->mac_filters.mcast_drop_all,
4303 bp->mac_filters.bcast_drop_all,
4304 bp->mac_filters.ucast_accept_all,
4305 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004306 bp->mac_filters.bcast_accept_all,
4307 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004308 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004309
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004310 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004311}
4312
Eilon Greenstein471de712008-08-13 15:49:35 -07004313static void bnx2x_init_internal_common(struct bnx2x *bp)
4314{
4315 int i;
4316
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004317 if (!CHIP_IS_E1(bp)) {
4318
4319 /* xstorm needs to know whether to add ovlan to packets or not,
4320 * in switch-independent we'll write 0 to here... */
4321 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004322 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004323 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004324 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004325 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004326 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004327 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004328 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004329 }
4330
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004331 if (IS_MF_SI(bp))
4332 /*
4333 * In switch independent mode, the TSTORM needs to accept
4334 * packets that failed classification, since approximate match
4335 * mac addresses aren't written to NIG LLH
4336 */
4337 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4338 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4339
Eilon Greenstein471de712008-08-13 15:49:35 -07004340 /* Zero this manually as its initialization is
4341 currently missing in the initTool */
4342 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4343 REG_WR(bp, BAR_USTRORM_INTMEM +
4344 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004345 if (CHIP_IS_E2(bp)) {
4346 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4347 CHIP_INT_MODE_IS_BC(bp) ?
4348 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4349 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004350}
4351
4352static void bnx2x_init_internal_port(struct bnx2x *bp)
4353{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004354 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004355 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004356}
4357
Eilon Greenstein471de712008-08-13 15:49:35 -07004358static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4359{
4360 switch (load_code) {
4361 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004362 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004363 bnx2x_init_internal_common(bp);
4364 /* no break */
4365
4366 case FW_MSG_CODE_DRV_LOAD_PORT:
4367 bnx2x_init_internal_port(bp);
4368 /* no break */
4369
4370 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004371 /* internal memory per function is
4372 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004373 break;
4374
4375 default:
4376 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4377 break;
4378 }
4379}
4380
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004381static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4382{
4383 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4384
4385 fp->state = BNX2X_FP_STATE_CLOSED;
4386
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004387 fp->cid = fp_idx;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004388 fp->cl_id = BP_L_ID(bp) + fp_idx;
4389 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4390 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4391 /* qZone id equals to FW (per path) client id */
4392 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004393 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4394 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004395 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004396 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4397 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004398 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4399 /* Setup SB indicies */
4400 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4401 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4402
4403 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4404 "cl_id %d fw_sb %d igu_sb %d\n",
4405 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4406 fp->igu_sb_id);
4407 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4408 fp->fw_sb_id, fp->igu_sb_id);
4409
4410 bnx2x_update_fpsb_idx(fp);
4411}
4412
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004413void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004414{
4415 int i;
4416
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004417 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004418 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004419#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004420 if (!NO_FCOE(bp))
4421 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004422
4423 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4424 BNX2X_VF_ID_INVALID, false,
4425 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4426
Michael Chan37b091b2009-10-10 13:46:55 +00004427#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004428
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004429 /* Initialize MOD_ABS interrupts */
4430 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
4431 bp->common.shmem_base, bp->common.shmem2_base,
4432 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00004433 /* ensure status block indices were read */
4434 rmb();
4435
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004436 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004437 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004438 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004439 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004440 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004441 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004442 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004443 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004444 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004445 bnx2x_stats_init(bp);
4446
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004447 /* flush all before enabling interrupts */
4448 mb();
4449 mmiowb();
4450
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004451 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004452
4453 /* Check for SPIO5 */
4454 bnx2x_attn_int_deasserted0(bp,
4455 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4456 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004457}
4458
4459/* end of nic init */
4460
4461/*
4462 * gzip service functions
4463 */
4464
4465static int bnx2x_gunzip_init(struct bnx2x *bp)
4466{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004467 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4468 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004469 if (bp->gunzip_buf == NULL)
4470 goto gunzip_nomem1;
4471
4472 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4473 if (bp->strm == NULL)
4474 goto gunzip_nomem2;
4475
4476 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4477 GFP_KERNEL);
4478 if (bp->strm->workspace == NULL)
4479 goto gunzip_nomem3;
4480
4481 return 0;
4482
4483gunzip_nomem3:
4484 kfree(bp->strm);
4485 bp->strm = NULL;
4486
4487gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004488 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4489 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004490 bp->gunzip_buf = NULL;
4491
4492gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004493 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4494 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004495 return -ENOMEM;
4496}
4497
4498static void bnx2x_gunzip_end(struct bnx2x *bp)
4499{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004500 if (bp->strm) {
4501 kfree(bp->strm->workspace);
4502 kfree(bp->strm);
4503 bp->strm = NULL;
4504 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004505
4506 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004507 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4508 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004509 bp->gunzip_buf = NULL;
4510 }
4511}
4512
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004513static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004514{
4515 int n, rc;
4516
4517 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004518 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4519 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004520 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004521 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004522
4523 n = 10;
4524
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004525#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004526
4527 if (zbuf[3] & FNAME)
4528 while ((zbuf[n++] != 0) && (n < len));
4529
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004530 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004531 bp->strm->avail_in = len - n;
4532 bp->strm->next_out = bp->gunzip_buf;
4533 bp->strm->avail_out = FW_BUF_SIZE;
4534
4535 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4536 if (rc != Z_OK)
4537 return rc;
4538
4539 rc = zlib_inflate(bp->strm, Z_FINISH);
4540 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004541 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4542 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004543
4544 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4545 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004546 netdev_err(bp->dev, "Firmware decompression error:"
4547 " gunzip_outlen (%d) not aligned\n",
4548 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004549 bp->gunzip_outlen >>= 2;
4550
4551 zlib_inflateEnd(bp->strm);
4552
4553 if (rc == Z_STREAM_END)
4554 return 0;
4555
4556 return rc;
4557}
4558
4559/* nic load/unload */
4560
4561/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004562 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004563 */
4564
4565/* send a NIG loopback debug packet */
4566static void bnx2x_lb_pckt(struct bnx2x *bp)
4567{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004568 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004569
4570 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004571 wb_write[0] = 0x55555555;
4572 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004573 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004574 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004575
4576 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004577 wb_write[0] = 0x09000000;
4578 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004579 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004580 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004581}
4582
4583/* some of the internal memories
4584 * are not directly readable from the driver
4585 * to test them we send debug packets
4586 */
4587static int bnx2x_int_mem_test(struct bnx2x *bp)
4588{
4589 int factor;
4590 int count, i;
4591 u32 val = 0;
4592
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004593 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004594 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004595 else if (CHIP_REV_IS_EMUL(bp))
4596 factor = 200;
4597 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004598 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004599
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004600 /* Disable inputs of parser neighbor blocks */
4601 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4602 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4603 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004604 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004605
4606 /* Write 0 to parser credits for CFC search request */
4607 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4608
4609 /* send Ethernet packet */
4610 bnx2x_lb_pckt(bp);
4611
4612 /* TODO do i reset NIG statistic? */
4613 /* Wait until NIG register shows 1 packet of size 0x10 */
4614 count = 1000 * factor;
4615 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004616
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004617 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4618 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004619 if (val == 0x10)
4620 break;
4621
4622 msleep(10);
4623 count--;
4624 }
4625 if (val != 0x10) {
4626 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4627 return -1;
4628 }
4629
4630 /* Wait until PRS register shows 1 packet */
4631 count = 1000 * factor;
4632 while (count) {
4633 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004634 if (val == 1)
4635 break;
4636
4637 msleep(10);
4638 count--;
4639 }
4640 if (val != 0x1) {
4641 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4642 return -2;
4643 }
4644
4645 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004646 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004647 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004648 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004649 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004650 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4651 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004652
4653 DP(NETIF_MSG_HW, "part2\n");
4654
4655 /* Disable inputs of parser neighbor blocks */
4656 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4657 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4658 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004659 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004660
4661 /* Write 0 to parser credits for CFC search request */
4662 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4663
4664 /* send 10 Ethernet packets */
4665 for (i = 0; i < 10; i++)
4666 bnx2x_lb_pckt(bp);
4667
4668 /* Wait until NIG register shows 10 + 1
4669 packets of size 11*0x10 = 0xb0 */
4670 count = 1000 * factor;
4671 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004672
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004673 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4674 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004675 if (val == 0xb0)
4676 break;
4677
4678 msleep(10);
4679 count--;
4680 }
4681 if (val != 0xb0) {
4682 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4683 return -3;
4684 }
4685
4686 /* Wait until PRS register shows 2 packets */
4687 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4688 if (val != 2)
4689 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4690
4691 /* Write 1 to parser credits for CFC search request */
4692 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4693
4694 /* Wait until PRS register shows 3 packets */
4695 msleep(10 * factor);
4696 /* Wait until NIG register shows 1 packet of size 0x10 */
4697 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4698 if (val != 3)
4699 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4700
4701 /* clear NIG EOP FIFO */
4702 for (i = 0; i < 11; i++)
4703 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4704 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4705 if (val != 1) {
4706 BNX2X_ERR("clear of NIG failed\n");
4707 return -4;
4708 }
4709
4710 /* Reset and init BRB, PRS, NIG */
4711 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4712 msleep(50);
4713 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4714 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004715 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4716 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004717#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004718 /* set NIC mode */
4719 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4720#endif
4721
4722 /* Enable inputs of parser neighbor blocks */
4723 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4724 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4725 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004726 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004727
4728 DP(NETIF_MSG_HW, "done\n");
4729
4730 return 0; /* OK */
4731}
4732
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004733static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004734{
4735 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004736 if (CHIP_IS_E2(bp))
4737 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4738 else
4739 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004740 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4741 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004742 /*
4743 * mask read length error interrupts in brb for parser
4744 * (parsing unit and 'checksum and crc' unit)
4745 * these errors are legal (PU reads fixed length and CAC can cause
4746 * read length error on truncated packets)
4747 */
4748 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004749 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4750 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4751 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4752 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4753 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004754/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4755/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004756 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4757 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4758 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004759/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4760/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004761 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4762 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4763 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4764 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004765/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4766/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004767
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004768 if (CHIP_REV_IS_FPGA(bp))
4769 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004770 else if (CHIP_IS_E2(bp))
4771 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4772 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4773 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4774 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4775 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4776 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004777 else
4778 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004779 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4780 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4781 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004782/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4783/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004784 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4785 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004786/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004787 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004788}
4789
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004790static void bnx2x_reset_common(struct bnx2x *bp)
4791{
4792 /* reset_common */
4793 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4794 0xd3ffff7f);
4795 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4796}
4797
Eilon Greenstein573f2032009-08-12 08:24:14 +00004798static void bnx2x_init_pxp(struct bnx2x *bp)
4799{
4800 u16 devctl;
4801 int r_order, w_order;
4802
4803 pci_read_config_word(bp->pdev,
4804 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4805 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4806 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4807 if (bp->mrrs == -1)
4808 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4809 else {
4810 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4811 r_order = bp->mrrs;
4812 }
4813
4814 bnx2x_init_pxp_arb(bp, r_order, w_order);
4815}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004816
4817static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4818{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004819 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004820 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004821 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004822
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004823 if (BP_NOMCP(bp))
4824 return;
4825
4826 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004827 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4828 SHARED_HW_CFG_FAN_FAILURE_MASK;
4829
4830 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4831 is_required = 1;
4832
4833 /*
4834 * The fan failure mechanism is usually related to the PHY type since
4835 * the power consumption of the board is affected by the PHY. Currently,
4836 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4837 */
4838 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4839 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004840 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004841 bnx2x_fan_failure_det_req(
4842 bp,
4843 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004844 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004845 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004846 }
4847
4848 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4849
4850 if (is_required == 0)
4851 return;
4852
4853 /* Fan failure is indicated by SPIO 5 */
4854 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4855 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4856
4857 /* set to active low mode */
4858 val = REG_RD(bp, MISC_REG_SPIO_INT);
4859 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004860 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004861 REG_WR(bp, MISC_REG_SPIO_INT, val);
4862
4863 /* enable interrupt to signal the IGU */
4864 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4865 val |= (1 << MISC_REGISTERS_SPIO_5);
4866 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4867}
4868
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004869static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4870{
4871 u32 offset = 0;
4872
4873 if (CHIP_IS_E1(bp))
4874 return;
4875 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4876 return;
4877
4878 switch (BP_ABS_FUNC(bp)) {
4879 case 0:
4880 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4881 break;
4882 case 1:
4883 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4884 break;
4885 case 2:
4886 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4887 break;
4888 case 3:
4889 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4890 break;
4891 case 4:
4892 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4893 break;
4894 case 5:
4895 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4896 break;
4897 case 6:
4898 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4899 break;
4900 case 7:
4901 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4902 break;
4903 default:
4904 return;
4905 }
4906
4907 REG_WR(bp, offset, pretend_func_num);
4908 REG_RD(bp, offset);
4909 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4910}
4911
4912static void bnx2x_pf_disable(struct bnx2x *bp)
4913{
4914 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4915 val &= ~IGU_PF_CONF_FUNC_EN;
4916
4917 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4918 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4919 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4920}
4921
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004922static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004923{
4924 u32 val, i;
4925
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004926 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004927
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004928 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004929 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4930 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4931
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004932 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004933 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004934 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004935
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004936 if (CHIP_IS_E2(bp)) {
4937 u8 fid;
4938
4939 /**
4940 * 4-port mode or 2-port mode we need to turn of master-enable
4941 * for everyone, after that, turn it back on for self.
4942 * so, we disregard multi-function or not, and always disable
4943 * for all functions on the given path, this means 0,2,4,6 for
4944 * path 0 and 1,3,5,7 for path 1
4945 */
4946 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
4947 if (fid == BP_ABS_FUNC(bp)) {
4948 REG_WR(bp,
4949 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
4950 1);
4951 continue;
4952 }
4953
4954 bnx2x_pretend_func(bp, fid);
4955 /* clear pf enable */
4956 bnx2x_pf_disable(bp);
4957 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
4958 }
4959 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004960
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004961 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004962 if (CHIP_IS_E1(bp)) {
4963 /* enable HW interrupt from PXP on USDM overflow
4964 bit 16 on INT_MASK_0 */
4965 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004966 }
4967
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004968 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004969 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004970
4971#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004972 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
4973 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
4974 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
4975 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
4976 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00004977 /* make sure this value is 0 */
4978 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004979
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004980/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
4981 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
4982 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
4983 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
4984 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004985#endif
4986
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004987 bnx2x_ilt_init_page_size(bp, INITOP_SET);
4988
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004989 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
4990 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004991
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004992 /* let the HW do it's magic ... */
4993 msleep(100);
4994 /* finish PXP init */
4995 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
4996 if (val != 1) {
4997 BNX2X_ERR("PXP2 CFG failed\n");
4998 return -EBUSY;
4999 }
5000 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5001 if (val != 1) {
5002 BNX2X_ERR("PXP2 RD_INIT failed\n");
5003 return -EBUSY;
5004 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005005
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005006 /* Timers bug workaround E2 only. We need to set the entire ILT to
5007 * have entries with value "0" and valid bit on.
5008 * This needs to be done by the first PF that is loaded in a path
5009 * (i.e. common phase)
5010 */
5011 if (CHIP_IS_E2(bp)) {
5012 struct ilt_client_info ilt_cli;
5013 struct bnx2x_ilt ilt;
5014 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5015 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5016
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005017 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005018 ilt_cli.start = 0;
5019 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5020 ilt_cli.client_num = ILT_CLIENT_TM;
5021
5022 /* Step 1: set zeroes to all ilt page entries with valid bit on
5023 * Step 2: set the timers first/last ilt entry to point
5024 * to the entire range to prevent ILT range error for 3rd/4th
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005025 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005026 *
5027 * both steps performed by call to bnx2x_ilt_client_init_op()
5028 * with dummy TM client
5029 *
5030 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5031 * and his brother are split registers
5032 */
5033 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5034 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5035 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5036
5037 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5038 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5039 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5040 }
5041
5042
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005043 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5044 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005045
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005046 if (CHIP_IS_E2(bp)) {
5047 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5048 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5049 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5050
5051 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5052
5053 /* let the HW do it's magic ... */
5054 do {
5055 msleep(200);
5056 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5057 } while (factor-- && (val != 1));
5058
5059 if (val != 1) {
5060 BNX2X_ERR("ATC_INIT failed\n");
5061 return -EBUSY;
5062 }
5063 }
5064
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005065 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005066
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005067 /* clean the DMAE memory */
5068 bp->dmae_ready = 1;
5069 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005070
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005071 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5072 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5073 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5074 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005075
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005076 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5077 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5078 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5079 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5080
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005081 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005082
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005083 if (CHIP_MODE_IS_4_PORT(bp))
5084 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005085
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005086 /* QM queues pointers table */
5087 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005088
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005089 /* soft reset pulse */
5090 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5091 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005092
Michael Chan37b091b2009-10-10 13:46:55 +00005093#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005094 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005095#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005096
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005097 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005098 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5099
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005100 if (!CHIP_REV_IS_SLOW(bp)) {
5101 /* enable hw interrupt from doorbell Q */
5102 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5103 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005104
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005105 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005106 if (CHIP_MODE_IS_4_PORT(bp)) {
5107 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5108 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5109 }
5110
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005111 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005112 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005113#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005114 /* set NIC mode */
5115 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005116#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005117 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005118 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005119
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005120 if (CHIP_IS_E2(bp)) {
5121 /* Bit-map indicating which L2 hdrs may appear after the
5122 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005123 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005124 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5125 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5126 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005127
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005128 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5129 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5130 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5131 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005132
Eilon Greensteinca003922009-08-12 22:53:28 -07005133 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5134 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5135 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5136 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005137
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005138 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5139 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5140 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5141 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005142
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005143 if (CHIP_MODE_IS_4_PORT(bp))
5144 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5145
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005146 /* sync semi rtc */
5147 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5148 0x80000000);
5149 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5150 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005151
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005152 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5153 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5154 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005155
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005156 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005157 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005158 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5159 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5160 }
5161
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005162 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005163 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5164 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005165
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005166 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005167#ifdef BCM_CNIC
5168 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5169 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5170 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5171 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5172 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5173 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5174 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5175 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5176 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5177 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5178#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005179 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005180
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005181 if (sizeof(union cdu_context) != 1024)
5182 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005183 dev_alert(&bp->pdev->dev, "please adjust the size "
5184 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005185 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005186
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005187 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005188 val = (4 << 24) + (0 << 12) + 1024;
5189 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005190
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005191 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005192 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005193 /* enable context validation interrupt from CFC */
5194 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5195
5196 /* set the thresholds to prevent CFC/CDU race */
5197 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005198
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005199 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005200
5201 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5202 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5203
5204 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005205 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005206
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005207 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005208 /* Reset PCIE errors for debug */
5209 REG_WR(bp, 0x2814, 0xffffffff);
5210 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005211
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005212 if (CHIP_IS_E2(bp)) {
5213 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5214 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5215 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5216 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5217 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5218 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5219 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5220 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5221 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5222 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5223 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5224 }
5225
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005226 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005227 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005228 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005229 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005230
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005231 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005232 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005233 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005234 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005235 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005236 if (CHIP_IS_E2(bp)) {
5237 /* Bit-map indicating which L2 hdrs may appear after the
5238 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005239 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005240 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005241
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005242 if (CHIP_REV_IS_SLOW(bp))
5243 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005244
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005245 /* finish CFC init */
5246 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5247 if (val != 1) {
5248 BNX2X_ERR("CFC LL_INIT failed\n");
5249 return -EBUSY;
5250 }
5251 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5252 if (val != 1) {
5253 BNX2X_ERR("CFC AC_INIT failed\n");
5254 return -EBUSY;
5255 }
5256 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5257 if (val != 1) {
5258 BNX2X_ERR("CFC CAM_INIT failed\n");
5259 return -EBUSY;
5260 }
5261 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005262
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005263 if (CHIP_IS_E1(bp)) {
5264 /* read NIG statistic
5265 to see if this is our first up since powerup */
5266 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5267 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005268
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005269 /* do internal memory self test */
5270 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5271 BNX2X_ERR("internal mem self test failed\n");
5272 return -EBUSY;
5273 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005274 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005275
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005276 bnx2x_setup_fan_failure_detection(bp);
5277
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005278 /* clear PXP2 attentions */
5279 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005280
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005281 bnx2x_enable_blocks_attention(bp);
5282 if (CHIP_PARITY_ENABLED(bp))
5283 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005284
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005285 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005286 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5287 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5288 CHIP_IS_E1x(bp)) {
5289 u32 shmem_base[2], shmem2_base[2];
5290 shmem_base[0] = bp->common.shmem_base;
5291 shmem2_base[0] = bp->common.shmem2_base;
5292 if (CHIP_IS_E2(bp)) {
5293 shmem_base[1] =
5294 SHMEM2_RD(bp, other_shmem_base_addr);
5295 shmem2_base[1] =
5296 SHMEM2_RD(bp, other_shmem2_base_addr);
5297 }
5298 bnx2x_acquire_phy_lock(bp);
5299 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5300 bp->common.chip_id);
5301 bnx2x_release_phy_lock(bp);
5302 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005303 } else
5304 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5305
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005306 return 0;
5307}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005308
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005309static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005310{
5311 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005312 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005313 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005314 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005315
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005316 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005317
5318 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005319
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005320 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005321 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005322
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005323 /* Timers bug workaround: disables the pf_master bit in pglue at
5324 * common phase, we need to enable it here before any dmae access are
5325 * attempted. Therefore we manually added the enable-master to the
5326 * port phase (it also happens in the function phase)
5327 */
5328 if (CHIP_IS_E2(bp))
5329 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5330
Eilon Greensteinca003922009-08-12 22:53:28 -07005331 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5332 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5333 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005334 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005335
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005336 /* QM cid (connection) count */
5337 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005338
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005339#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005340 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005341 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5342 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005343#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005344
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005345 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005346
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005347 if (CHIP_MODE_IS_4_PORT(bp))
5348 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005349
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005350 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5351 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5352 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5353 /* no pause for emulation and FPGA */
5354 low = 0;
5355 high = 513;
5356 } else {
5357 if (IS_MF(bp))
5358 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5359 else if (bp->dev->mtu > 4096) {
5360 if (bp->flags & ONE_PORT_FLAG)
5361 low = 160;
5362 else {
5363 val = bp->dev->mtu;
5364 /* (24*1024 + val*4)/256 */
5365 low = 96 + (val/64) +
5366 ((val % 64) ? 1 : 0);
5367 }
5368 } else
5369 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5370 high = low + 56; /* 14*1024/256 */
5371 }
5372 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5373 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5374 }
5375
5376 if (CHIP_MODE_IS_4_PORT(bp)) {
5377 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5378 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5379 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5380 BRB1_REG_MAC_GUARANTIED_0), 40);
5381 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005382
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005383 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005384
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005385 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005386 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005387 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005388 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005389
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005390 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5391 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5392 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5393 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005394 if (CHIP_MODE_IS_4_PORT(bp))
5395 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005396
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005397 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005398 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005399
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005400 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005401
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005402 if (!CHIP_IS_E2(bp)) {
5403 /* configure PBF to work without PAUSE mtu 9000 */
5404 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005405
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005406 /* update threshold */
5407 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5408 /* update init credit */
5409 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005410
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005411 /* probe changes */
5412 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5413 udelay(50);
5414 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5415 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005416
Michael Chan37b091b2009-10-10 13:46:55 +00005417#ifdef BCM_CNIC
5418 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005419#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005420 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005421 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005422
5423 if (CHIP_IS_E1(bp)) {
5424 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5425 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5426 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005427 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005428
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005429 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5430
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005431 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005432 /* init aeu_mask_attn_func_0/1:
5433 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5434 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5435 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005436 val = IS_MF(bp) ? 0xF7 : 0x7;
5437 /* Enable DCBX attention for all but E1 */
5438 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5439 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005440
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005441 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005442 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005443 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005444 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005445 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005446
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005447 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005448
5449 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5450
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005451 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005452 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005453 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005454 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005455
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005456 if (CHIP_IS_E2(bp)) {
5457 val = 0;
5458 switch (bp->mf_mode) {
5459 case MULTI_FUNCTION_SD:
5460 val = 1;
5461 break;
5462 case MULTI_FUNCTION_SI:
5463 val = 2;
5464 break;
5465 }
5466
5467 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5468 NIG_REG_LLH0_CLS_TYPE), val);
5469 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005470 {
5471 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5472 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5473 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5474 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005475 }
5476
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005477 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005478 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005479 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005480 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005481 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5482 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5483 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005484 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005485 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005486 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005487 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005488
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005489 return 0;
5490}
5491
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005492static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5493{
5494 int reg;
5495
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005496 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005497 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005498 else
5499 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005500
5501 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5502}
5503
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005504static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5505{
5506 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5507}
5508
5509static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5510{
5511 u32 i, base = FUNC_ILT_BASE(func);
5512 for (i = base; i < base + ILT_PER_FUNC; i++)
5513 bnx2x_ilt_wr(bp, i, 0);
5514}
5515
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005516static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005517{
5518 int port = BP_PORT(bp);
5519 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005520 struct bnx2x_ilt *ilt = BP_ILT(bp);
5521 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005522 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005523 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5524 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005525
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005526 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005527
Eilon Greenstein8badd272009-02-12 08:36:15 +00005528 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005529 if (bp->common.int_block == INT_BLOCK_HC) {
5530 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5531 val = REG_RD(bp, addr);
5532 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5533 REG_WR(bp, addr, val);
5534 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005535
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005536 ilt = BP_ILT(bp);
5537 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005538
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005539 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5540 ilt->lines[cdu_ilt_start + i].page =
5541 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5542 ilt->lines[cdu_ilt_start + i].page_mapping =
5543 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5544 /* cdu ilt pages are allocated manually so there's no need to
5545 set the size */
5546 }
5547 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005548
Michael Chan37b091b2009-10-10 13:46:55 +00005549#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005550 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005551
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005552 /* T1 hash bits value determines the T1 number of entries */
5553 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005554#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005555
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005556#ifndef BCM_CNIC
5557 /* set NIC mode */
5558 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5559#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005560
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005561 if (CHIP_IS_E2(bp)) {
5562 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5563
5564 /* Turn on a single ISR mode in IGU if driver is going to use
5565 * INT#x or MSI
5566 */
5567 if (!(bp->flags & USING_MSIX_FLAG))
5568 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5569 /*
5570 * Timers workaround bug: function init part.
5571 * Need to wait 20msec after initializing ILT,
5572 * needed to make sure there are no requests in
5573 * one of the PXP internal queues with "old" ILT addresses
5574 */
5575 msleep(20);
5576 /*
5577 * Master enable - Due to WB DMAE writes performed before this
5578 * register is re-initialized as part of the regular function
5579 * init
5580 */
5581 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5582 /* Enable the function in IGU */
5583 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5584 }
5585
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005586 bp->dmae_ready = 1;
5587
5588 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5589
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005590 if (CHIP_IS_E2(bp))
5591 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5592
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005593 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5594 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5595 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5596 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5597 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5598 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5599 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5600 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5601 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5602
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005603 if (CHIP_IS_E2(bp)) {
5604 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5605 BP_PATH(bp));
5606 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5607 BP_PATH(bp));
5608 }
5609
5610 if (CHIP_MODE_IS_4_PORT(bp))
5611 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5612
5613 if (CHIP_IS_E2(bp))
5614 REG_WR(bp, QM_REG_PF_EN, 1);
5615
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005616 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005617
5618 if (CHIP_MODE_IS_4_PORT(bp))
5619 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5620
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005621 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5622 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5623 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5624 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5625 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5626 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5627 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5628 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5629 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5630 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5631 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005632 if (CHIP_IS_E2(bp))
5633 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5634
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005635 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5636
5637 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5638
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005639 if (CHIP_IS_E2(bp))
5640 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5641
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005642 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005643 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005644 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005645 }
5646
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005647 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5648
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005649 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005650 if (bp->common.int_block == INT_BLOCK_HC) {
5651 if (CHIP_IS_E1H(bp)) {
5652 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5653
5654 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5655 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5656 }
5657 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5658
5659 } else {
5660 int num_segs, sb_idx, prod_offset;
5661
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005662 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5663
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005664 if (CHIP_IS_E2(bp)) {
5665 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5666 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5667 }
5668
5669 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5670
5671 if (CHIP_IS_E2(bp)) {
5672 int dsb_idx = 0;
5673 /**
5674 * Producer memory:
5675 * E2 mode: address 0-135 match to the mapping memory;
5676 * 136 - PF0 default prod; 137 - PF1 default prod;
5677 * 138 - PF2 default prod; 139 - PF3 default prod;
5678 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5679 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5680 * 144-147 reserved.
5681 *
5682 * E1.5 mode - In backward compatible mode;
5683 * for non default SB; each even line in the memory
5684 * holds the U producer and each odd line hold
5685 * the C producer. The first 128 producers are for
5686 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5687 * producers are for the DSB for each PF.
5688 * Each PF has five segments: (the order inside each
5689 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5690 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5691 * 144-147 attn prods;
5692 */
5693 /* non-default-status-blocks */
5694 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5695 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5696 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5697 prod_offset = (bp->igu_base_sb + sb_idx) *
5698 num_segs;
5699
5700 for (i = 0; i < num_segs; i++) {
5701 addr = IGU_REG_PROD_CONS_MEMORY +
5702 (prod_offset + i) * 4;
5703 REG_WR(bp, addr, 0);
5704 }
5705 /* send consumer update with value 0 */
5706 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5707 USTORM_ID, 0, IGU_INT_NOP, 1);
5708 bnx2x_igu_clear_sb(bp,
5709 bp->igu_base_sb + sb_idx);
5710 }
5711
5712 /* default-status-blocks */
5713 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5714 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5715
5716 if (CHIP_MODE_IS_4_PORT(bp))
5717 dsb_idx = BP_FUNC(bp);
5718 else
5719 dsb_idx = BP_E1HVN(bp);
5720
5721 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5722 IGU_BC_BASE_DSB_PROD + dsb_idx :
5723 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5724
5725 for (i = 0; i < (num_segs * E1HVN_MAX);
5726 i += E1HVN_MAX) {
5727 addr = IGU_REG_PROD_CONS_MEMORY +
5728 (prod_offset + i)*4;
5729 REG_WR(bp, addr, 0);
5730 }
5731 /* send consumer update with 0 */
5732 if (CHIP_INT_MODE_IS_BC(bp)) {
5733 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5734 USTORM_ID, 0, IGU_INT_NOP, 1);
5735 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5736 CSTORM_ID, 0, IGU_INT_NOP, 1);
5737 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5738 XSTORM_ID, 0, IGU_INT_NOP, 1);
5739 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5740 TSTORM_ID, 0, IGU_INT_NOP, 1);
5741 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5742 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5743 } else {
5744 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5745 USTORM_ID, 0, IGU_INT_NOP, 1);
5746 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5747 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5748 }
5749 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5750
5751 /* !!! these should become driver const once
5752 rf-tool supports split-68 const */
5753 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5754 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5755 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5756 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5757 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5758 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5759 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005760 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005761
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005762 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005763 REG_WR(bp, 0x2114, 0xffffffff);
5764 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005765
5766 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5767 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5768 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5769 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5770 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5771 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5772
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005773 if (CHIP_IS_E1x(bp)) {
5774 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5775 main_mem_base = HC_REG_MAIN_MEMORY +
5776 BP_PORT(bp) * (main_mem_size * 4);
5777 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5778 main_mem_width = 8;
5779
5780 val = REG_RD(bp, main_mem_prty_clr);
5781 if (val)
5782 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5783 "block during "
5784 "function init (0x%x)!\n", val);
5785
5786 /* Clear "false" parity errors in MSI-X table */
5787 for (i = main_mem_base;
5788 i < main_mem_base + main_mem_size * 4;
5789 i += main_mem_width) {
5790 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5791 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5792 i, main_mem_width / 4);
5793 }
5794 /* Clear HC parity attention */
5795 REG_RD(bp, main_mem_prty_clr);
5796 }
5797
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005798 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005799
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005800 return 0;
5801}
5802
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005803int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005804{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005805 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005806
5807 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005808 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005809
5810 bp->dmae_ready = 0;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005811 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005812
5813 switch (load_code) {
5814 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005815 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005816 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005817 if (rc)
5818 goto init_hw_err;
5819 /* no break */
5820
5821 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005822 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005823 if (rc)
5824 goto init_hw_err;
5825 /* no break */
5826
5827 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005828 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005829 if (rc)
5830 goto init_hw_err;
5831 break;
5832
5833 default:
5834 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5835 break;
5836 }
5837
5838 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005839 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005840
5841 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005842 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005843 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005844 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5845 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005846
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005847init_hw_err:
5848 bnx2x_gunzip_end(bp);
5849
5850 return rc;
5851}
5852
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005853void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005854{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005855 bnx2x_gunzip_end(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005856
5857 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005858 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005859 /* end of fastpath */
5860
5861 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005862 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005863
5864 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005865 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005866
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005867 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5868 bp->context.size);
5869
5870 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5871
5872 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005873
Michael Chan37b091b2009-10-10 13:46:55 +00005874#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005875 if (CHIP_IS_E2(bp))
5876 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5877 sizeof(struct host_hc_status_block_e2));
5878 else
5879 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5880 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005881
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005882 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005883#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005884
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005885 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005886
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005887 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5888 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5889
Tom Herbertab532cf2011-02-16 10:27:02 +00005890 BNX2X_FREE(bp->rx_indir_table);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005891}
5892
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005893
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005894int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005895{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005896 if (bnx2x_gunzip_init(bp))
5897 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005898
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005899#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005900 if (CHIP_IS_E2(bp))
5901 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
5902 sizeof(struct host_hc_status_block_e2));
5903 else
5904 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
5905 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005906
5907 /* allocate searcher T2 table */
5908 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
5909#endif
5910
5911
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005912 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005913 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005914
5915 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5916 sizeof(struct bnx2x_slowpath));
5917
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005918 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005919
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005920 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
5921 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005922
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005923 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005924
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005925 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
5926 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005927
5928 /* Slow path ring */
5929 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5930
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005931 /* EQ */
5932 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
5933 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00005934
5935 BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
5936 TSTORM_INDIRECTION_TABLE_SIZE);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005937
5938 /* fastpath */
5939 /* need to be done at the end, since it's self adjusting to amount
5940 * of memory available for RSS queues
5941 */
5942 if (bnx2x_alloc_fp_mem(bp))
5943 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005944 return 0;
5945
5946alloc_mem_err:
5947 bnx2x_free_mem(bp);
5948 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005949}
5950
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005951/*
5952 * Init service functions
5953 */
stephen hemminger8d962862010-10-21 07:50:56 +00005954static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
5955 int *state_p, int flags);
5956
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005957int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005958{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005959 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005960
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005961 /* Wait for completion */
5962 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
5963 WAIT_RAMROD_COMMON);
5964}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005965
stephen hemminger8d962862010-10-21 07:50:56 +00005966static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005967{
5968 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005969
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005970 /* Wait for completion */
5971 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
5972 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005973}
5974
Michael Chane665bfd2009-10-10 13:46:54 +00005975/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00005976 * bnx2x_set_mac_addr_gen - set a MAC in a CAM for a few L2 Clients for E1x chips
Michael Chane665bfd2009-10-10 13:46:54 +00005977 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00005978 * @bp: driver handle
5979 * @set: set or clear an entry (1 or 0)
5980 * @mac: pointer to a buffer containing a MAC
5981 * @cl_bit_vec: bit vector of clients to register a MAC for
5982 * @cam_offset: offset in a CAM to use
5983 * @is_bcast: is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00005984 */
Joe Perches215faf92010-12-21 02:16:10 -08005985static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005986 u32 cl_bit_vec, u8 cam_offset,
5987 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005988{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005989 struct mac_configuration_cmd *config =
5990 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
5991 int ramrod_flags = WAIT_RAMROD_COMMON;
5992
5993 bp->set_mac_pending = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005994
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005995 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00005996 config->hdr.offset = cam_offset;
5997 config->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005998 /* Mark the single MAC configuration ramrod as opposed to a
5999 * UC/MC list configuration).
6000 */
6001 config->hdr.echo = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006002
6003 /* primary MAC */
6004 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006005 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006006 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006007 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006008 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006009 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006010 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006011 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006012 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006013 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006014 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006015 SET_FLAG(config->config_table[0].flags,
6016 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6017 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006018 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006019 SET_FLAG(config->config_table[0].flags,
6020 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6021 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006022
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006023 if (is_bcast)
6024 SET_FLAG(config->config_table[0].flags,
6025 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6026
6027 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006028 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006029 config->config_table[0].msb_mac_addr,
6030 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006031 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006032
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006033 mb();
6034
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006035 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006036 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006037 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6038
6039 /* Wait for a completion */
6040 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006041}
6042
stephen hemminger8d962862010-10-21 07:50:56 +00006043static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6044 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006045{
6046 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006047 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006048 u8 poll = flags & WAIT_RAMROD_POLL;
6049 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006050
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006051 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6052 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006053
6054 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006055 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006056 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006057 if (common)
6058 bnx2x_eq_int(bp);
6059 else {
6060 bnx2x_rx_int(bp->fp, 10);
6061 /* if index is different from 0
6062 * the reply for some commands will
6063 * be on the non default queue
6064 */
6065 if (idx)
6066 bnx2x_rx_int(&bp->fp[idx], 10);
6067 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006068 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006069
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006070 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006071 if (*state_p == state) {
6072#ifdef BNX2X_STOP_ON_ERROR
6073 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6074#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006075 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006076 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006077
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006078 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006079
6080 if (bp->panic)
6081 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006082 }
6083
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006084 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006085 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6086 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006087#ifdef BNX2X_STOP_ON_ERROR
6088 bnx2x_panic();
6089#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006090
Eliezer Tamir49d66772008-02-28 11:53:13 -08006091 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006092}
6093
stephen hemminger8d962862010-10-21 07:50:56 +00006094static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006095{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006096 if (CHIP_IS_E1H(bp))
6097 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6098 else if (CHIP_MODE_IS_4_PORT(bp))
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006099 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006100 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006101 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
Michael Chane665bfd2009-10-10 13:46:54 +00006102}
6103
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006104/**
6105 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6106 * relevant. In addition, current implementation is tuned for a
6107 * single ETH MAC.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006108 */
6109enum {
6110 LLH_CAM_ISCSI_ETH_LINE = 0,
6111 LLH_CAM_ETH_LINE,
6112 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6113};
6114
6115static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6116 int set,
6117 unsigned char *dev_addr,
6118 int index)
6119{
6120 u32 wb_data[2];
6121 u32 mem_offset, ena_offset, mem_index;
6122 /**
6123 * indexes mapping:
6124 * 0..7 - goes to MEM
6125 * 8..15 - goes to MEM2
6126 */
6127
6128 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6129 return;
6130
6131 /* calculate memory start offset according to the mapping
6132 * and index in the memory */
6133 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6134 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6135 NIG_REG_LLH0_FUNC_MEM;
6136 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6137 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6138 mem_index = index;
6139 } else {
6140 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6141 NIG_REG_P0_LLH_FUNC_MEM2;
6142 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6143 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6144 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6145 }
6146
6147 if (set) {
6148 /* LLH_FUNC_MEM is a u64 WB register */
6149 mem_offset += 8*mem_index;
6150
6151 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6152 (dev_addr[4] << 8) | dev_addr[5]);
6153 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6154
6155 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6156 }
6157
6158 /* enable/disable the entry */
6159 REG_WR(bp, ena_offset + 4*mem_index, set);
6160
6161}
6162
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006163void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006164{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006165 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6166 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6167
6168 /* networking MAC */
6169 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6170 (1 << bp->fp->cl_id), cam_offset , 0);
6171
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006172 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6173
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006174 if (CHIP_IS_E1(bp)) {
6175 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006176 static const u8 bcast[ETH_ALEN] = {
6177 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6178 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006179 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6180 }
6181}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006182
6183static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6184{
6185 return CHIP_REV_IS_SLOW(bp) ?
6186 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6187 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6188}
6189
6190/* set mc list, do not wait as wait implies sleep and
6191 * set_rx_mode can be invoked from non-sleepable context.
6192 *
6193 * Instead we use the same ramrod data buffer each time we need
6194 * to configure a list of addresses, and use the fact that the
6195 * list of MACs is changed in an incremental way and that the
6196 * function is called under the netif_addr_lock. A temporary
6197 * inconsistent CAM configuration (possible in case of a very fast
6198 * sequence of add/del/add on the host side) will shortly be
6199 * restored by the handler of the last ramrod.
6200 */
6201static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006202{
6203 int i = 0, old;
6204 struct net_device *dev = bp->dev;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006205 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006206 struct netdev_hw_addr *ha;
6207 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6208 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6209
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006210 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6211 return -EINVAL;
6212
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006213 netdev_for_each_mc_addr(ha, dev) {
6214 /* copy mac */
6215 config_cmd->config_table[i].msb_mac_addr =
6216 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6217 config_cmd->config_table[i].middle_mac_addr =
6218 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6219 config_cmd->config_table[i].lsb_mac_addr =
6220 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6221
6222 config_cmd->config_table[i].vlan_id = 0;
6223 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6224 config_cmd->config_table[i].clients_bit_vector =
6225 cpu_to_le32(1 << BP_L_ID(bp));
6226
6227 SET_FLAG(config_cmd->config_table[i].flags,
6228 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6229 T_ETH_MAC_COMMAND_SET);
6230
6231 DP(NETIF_MSG_IFUP,
6232 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6233 config_cmd->config_table[i].msb_mac_addr,
6234 config_cmd->config_table[i].middle_mac_addr,
6235 config_cmd->config_table[i].lsb_mac_addr);
6236 i++;
6237 }
6238 old = config_cmd->hdr.length;
6239 if (old > i) {
6240 for (; i < old; i++) {
6241 if (CAM_IS_INVALID(config_cmd->
6242 config_table[i])) {
6243 /* already invalidated */
6244 break;
6245 }
6246 /* invalidate */
6247 SET_FLAG(config_cmd->config_table[i].flags,
6248 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6249 T_ETH_MAC_COMMAND_INVALIDATE);
6250 }
6251 }
6252
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006253 wmb();
6254
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006255 config_cmd->hdr.length = i;
6256 config_cmd->hdr.offset = offset;
6257 config_cmd->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006258 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6259 * synchronization.
6260 */
6261 config_cmd->hdr.echo = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006262
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006263 mb();
Michael Chane665bfd2009-10-10 13:46:54 +00006264
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006265 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006266 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6267}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006268
6269void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006270{
6271 int i;
6272 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6273 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6274 int ramrod_flags = WAIT_RAMROD_COMMON;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006275 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006276
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006277 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006278 SET_FLAG(config_cmd->config_table[i].flags,
6279 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6280 T_ETH_MAC_COMMAND_INVALIDATE);
6281
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006282 wmb();
6283
6284 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6285 config_cmd->hdr.offset = offset;
6286 config_cmd->hdr.client_id = 0xff;
6287 /* We'll wait for a completion this time... */
6288 config_cmd->hdr.echo = 1;
6289
6290 bp->set_mac_pending = 1;
6291
6292 mb();
6293
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006294 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6295 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006296
6297 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006298 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6299 ramrod_flags);
6300
Michael Chane665bfd2009-10-10 13:46:54 +00006301}
6302
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006303/* Accept one or more multicasts */
6304static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6305{
6306 struct net_device *dev = bp->dev;
6307 struct netdev_hw_addr *ha;
6308 u32 mc_filter[MC_HASH_SIZE];
6309 u32 crc, bit, regidx;
6310 int i;
6311
6312 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6313
6314 netdev_for_each_mc_addr(ha, dev) {
6315 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6316 bnx2x_mc_addr(ha));
6317
6318 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6319 ETH_ALEN);
6320 bit = (crc >> 24) & 0xff;
6321 regidx = bit >> 5;
6322 bit &= 0x1f;
6323 mc_filter[regidx] |= (1 << bit);
6324 }
6325
6326 for (i = 0; i < MC_HASH_SIZE; i++)
6327 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6328 mc_filter[i]);
6329
6330 return 0;
6331}
6332
6333void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6334{
6335 int i;
6336
6337 for (i = 0; i < MC_HASH_SIZE; i++)
6338 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6339}
6340
Michael Chan993ac7b2009-10-10 13:46:56 +00006341#ifdef BCM_CNIC
6342/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006343 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
Michael Chan993ac7b2009-10-10 13:46:56 +00006344 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006345 * @bp: driver handle
6346 * @set: set or clear the CAM entry
Michael Chan993ac7b2009-10-10 13:46:56 +00006347 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006348 * This function will wait until the ramdord completion returns.
6349 * Return 0 if success, -ENODEV if ramrod doesn't return.
Michael Chan993ac7b2009-10-10 13:46:56 +00006350 */
stephen hemminger8d962862010-10-21 07:50:56 +00006351static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006352{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006353 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6354 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006355 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6356 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006357 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006358 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006359
6360 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006361 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006362 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006363
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006364 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006365
6366 return 0;
6367}
6368
6369/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006370 * bnx2x_set_fip_eth_mac_addr - set FCoE L2 MAC(s)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006371 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006372 * @bp: driver handle
6373 * @set: set or clear the CAM entry
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006374 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006375 * This function will wait until the ramrod completion returns.
6376 * Returns 0 if success, -ENODEV if ramrod doesn't return.
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006377 */
6378int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6379{
6380 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6381 /**
6382 * CAM allocation for E1H
6383 * eth unicasts: by func number
6384 * iscsi: by func number
6385 * fip unicast: by func number
6386 * fip multicast: by func number
6387 */
6388 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6389 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6390
6391 return 0;
6392}
6393
6394int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6395{
6396 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6397
6398 /**
6399 * CAM allocation for E1H
6400 * eth unicasts: by func number
6401 * iscsi: by func number
6402 * fip unicast: by func number
6403 * fip multicast: by func number
6404 */
6405 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6406 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6407
Michael Chan993ac7b2009-10-10 13:46:56 +00006408 return 0;
6409}
6410#endif
6411
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006412static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6413 struct bnx2x_client_init_params *params,
6414 u8 activate,
6415 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006416{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006417 /* Clear the buffer */
6418 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006419
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006420 /* general */
6421 data->general.client_id = params->rxq_params.cl_id;
6422 data->general.statistics_counter_id = params->rxq_params.stat_id;
6423 data->general.statistics_en_flg =
6424 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006425 data->general.is_fcoe_flg =
6426 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006427 data->general.activate_flg = activate;
6428 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006429
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006430 /* Rx data */
6431 data->rx.tpa_en_flg =
6432 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6433 data->rx.vmqueue_mode_en_flg = 0;
6434 data->rx.cache_line_alignment_log_size =
6435 params->rxq_params.cache_line_log;
6436 data->rx.enable_dynamic_hc =
6437 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6438 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6439 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6440 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6441
6442 /* We don't set drop flags */
6443 data->rx.drop_ip_cs_err_flg = 0;
6444 data->rx.drop_tcp_cs_err_flg = 0;
6445 data->rx.drop_ttl0_flg = 0;
6446 data->rx.drop_udp_cs_err_flg = 0;
6447
6448 data->rx.inner_vlan_removal_enable_flg =
6449 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6450 data->rx.outer_vlan_removal_enable_flg =
6451 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6452 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6453 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6454 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6455 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6456 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6457 data->rx.bd_page_base.lo =
6458 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6459 data->rx.bd_page_base.hi =
6460 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6461 data->rx.sge_page_base.lo =
6462 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6463 data->rx.sge_page_base.hi =
6464 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6465 data->rx.cqe_page_base.lo =
6466 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6467 data->rx.cqe_page_base.hi =
6468 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6469 data->rx.is_leading_rss =
6470 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6471 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6472
6473 /* Tx data */
6474 data->tx.enforce_security_flg = 0; /* VF specific */
6475 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6476 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6477 data->tx.mtu = 0; /* VF specific */
6478 data->tx.tx_bd_page_base.lo =
6479 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6480 data->tx.tx_bd_page_base.hi =
6481 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6482
6483 /* flow control data */
6484 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6485 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6486 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6487 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6488 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6489 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6490 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6491
6492 data->fc.safc_group_num = params->txq_params.cos;
6493 data->fc.safc_group_en_flg =
6494 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006495 data->fc.traffic_type =
6496 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6497 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006498}
6499
6500static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6501{
6502 /* ustorm cxt validation */
6503 cxt->ustorm_ag_context.cdu_usage =
6504 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6505 ETH_CONNECTION_TYPE);
6506 /* xcontext validation */
6507 cxt->xstorm_ag_context.cdu_reserved =
6508 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6509 ETH_CONNECTION_TYPE);
6510}
6511
stephen hemminger8d962862010-10-21 07:50:56 +00006512static int bnx2x_setup_fw_client(struct bnx2x *bp,
6513 struct bnx2x_client_init_params *params,
6514 u8 activate,
6515 struct client_init_ramrod_data *data,
6516 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006517{
6518 u16 hc_usec;
6519 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6520 int ramrod_flags = 0, rc;
6521
6522 /* HC and context validation values */
6523 hc_usec = params->txq_params.hc_rate ?
6524 1000000 / params->txq_params.hc_rate : 0;
6525 bnx2x_update_coalesce_sb_index(bp,
6526 params->txq_params.fw_sb_id,
6527 params->txq_params.sb_cq_index,
6528 !(params->txq_params.flags & QUEUE_FLG_HC),
6529 hc_usec);
6530
6531 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6532
6533 hc_usec = params->rxq_params.hc_rate ?
6534 1000000 / params->rxq_params.hc_rate : 0;
6535 bnx2x_update_coalesce_sb_index(bp,
6536 params->rxq_params.fw_sb_id,
6537 params->rxq_params.sb_cq_index,
6538 !(params->rxq_params.flags & QUEUE_FLG_HC),
6539 hc_usec);
6540
6541 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6542 params->rxq_params.cid);
6543
6544 /* zero stats */
6545 if (params->txq_params.flags & QUEUE_FLG_STATS)
6546 storm_memset_xstats_zero(bp, BP_PORT(bp),
6547 params->txq_params.stat_id);
6548
6549 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6550 storm_memset_ustats_zero(bp, BP_PORT(bp),
6551 params->rxq_params.stat_id);
6552 storm_memset_tstats_zero(bp, BP_PORT(bp),
6553 params->rxq_params.stat_id);
6554 }
6555
6556 /* Fill the ramrod data */
6557 bnx2x_fill_cl_init_data(bp, params, activate, data);
6558
6559 /* SETUP ramrod.
6560 *
6561 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6562 * barrier except from mmiowb() is needed to impose a
6563 * proper ordering of memory operations.
6564 */
6565 mmiowb();
6566
6567
6568 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6569 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006570
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006571 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006572 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6573 params->ramrod_params.index,
6574 params->ramrod_params.pstate,
6575 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006576 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006577}
6578
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006579/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006580 * bnx2x_set_int_mode - configure interrupt mode
6581 *
6582 * @bp: driver handle
6583 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006584 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006585 */
6586static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006587{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006588 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006589
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006590 switch (bp->int_mode) {
6591 case INT_MODE_MSI:
6592 bnx2x_enable_msi(bp);
6593 /* falling through... */
6594 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006595 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006596 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006597 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006598 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006599 /* Set number of queues according to bp->multi_mode value */
6600 bnx2x_set_num_queues(bp);
6601
6602 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6603 bp->num_queues);
6604
6605 /* if we can't use MSI-X we only need one fp,
6606 * so try to enable MSI-X with the requested number of fp's
6607 * and fallback to MSI or legacy INTx with one fp
6608 */
6609 rc = bnx2x_enable_msix(bp);
6610 if (rc) {
6611 /* failed to enable MSI-X */
6612 if (bp->multi_mode)
6613 DP(NETIF_MSG_IFUP,
6614 "Multi requested but failed to "
6615 "enable MSI-X (%d), "
6616 "set number of queues to %d\n",
6617 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006618 1 + NONE_ETH_CONTEXT_USE);
6619 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006620
6621 if (!(bp->flags & DISABLE_MSI_FLAG))
6622 bnx2x_enable_msi(bp);
6623 }
6624
Eilon Greensteinca003922009-08-12 22:53:28 -07006625 break;
6626 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006627
6628 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006629}
6630
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006631/* must be called prioir to any HW initializations */
6632static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6633{
6634 return L2_ILT_LINES(bp);
6635}
6636
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006637void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006638{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006639 struct ilt_client_info *ilt_client;
6640 struct bnx2x_ilt *ilt = BP_ILT(bp);
6641 u16 line = 0;
6642
6643 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6644 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6645
6646 /* CDU */
6647 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6648 ilt_client->client_num = ILT_CLIENT_CDU;
6649 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6650 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6651 ilt_client->start = line;
6652 line += L2_ILT_LINES(bp);
6653#ifdef BCM_CNIC
6654 line += CNIC_ILT_LINES;
6655#endif
6656 ilt_client->end = line - 1;
6657
6658 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6659 "flags 0x%x, hw psz %d\n",
6660 ilt_client->start,
6661 ilt_client->end,
6662 ilt_client->page_size,
6663 ilt_client->flags,
6664 ilog2(ilt_client->page_size >> 12));
6665
6666 /* QM */
6667 if (QM_INIT(bp->qm_cid_count)) {
6668 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6669 ilt_client->client_num = ILT_CLIENT_QM;
6670 ilt_client->page_size = QM_ILT_PAGE_SZ;
6671 ilt_client->flags = 0;
6672 ilt_client->start = line;
6673
6674 /* 4 bytes for each cid */
6675 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6676 QM_ILT_PAGE_SZ);
6677
6678 ilt_client->end = line - 1;
6679
6680 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6681 "flags 0x%x, hw psz %d\n",
6682 ilt_client->start,
6683 ilt_client->end,
6684 ilt_client->page_size,
6685 ilt_client->flags,
6686 ilog2(ilt_client->page_size >> 12));
6687
6688 }
6689 /* SRC */
6690 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6691#ifdef BCM_CNIC
6692 ilt_client->client_num = ILT_CLIENT_SRC;
6693 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6694 ilt_client->flags = 0;
6695 ilt_client->start = line;
6696 line += SRC_ILT_LINES;
6697 ilt_client->end = line - 1;
6698
6699 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6700 "flags 0x%x, hw psz %d\n",
6701 ilt_client->start,
6702 ilt_client->end,
6703 ilt_client->page_size,
6704 ilt_client->flags,
6705 ilog2(ilt_client->page_size >> 12));
6706
6707#else
6708 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6709#endif
6710
6711 /* TM */
6712 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6713#ifdef BCM_CNIC
6714 ilt_client->client_num = ILT_CLIENT_TM;
6715 ilt_client->page_size = TM_ILT_PAGE_SZ;
6716 ilt_client->flags = 0;
6717 ilt_client->start = line;
6718 line += TM_ILT_LINES;
6719 ilt_client->end = line - 1;
6720
6721 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6722 "flags 0x%x, hw psz %d\n",
6723 ilt_client->start,
6724 ilt_client->end,
6725 ilt_client->page_size,
6726 ilt_client->flags,
6727 ilog2(ilt_client->page_size >> 12));
6728
6729#else
6730 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6731#endif
6732}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006733
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006734int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6735 int is_leading)
6736{
6737 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006738 int rc;
6739
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006740 /* reset IGU state skip FCoE L2 queue */
6741 if (!IS_FCOE_FP(fp))
6742 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006743 IGU_INT_ENABLE, 0);
6744
6745 params.ramrod_params.pstate = &fp->state;
6746 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6747 params.ramrod_params.index = fp->index;
6748 params.ramrod_params.cid = fp->cid;
6749
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006750#ifdef BCM_CNIC
6751 if (IS_FCOE_FP(fp))
6752 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6753
6754#endif
6755
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006756 if (is_leading)
6757 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6758
6759 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6760
6761 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6762
6763 rc = bnx2x_setup_fw_client(bp, &params, 1,
6764 bnx2x_sp(bp, client_init_data),
6765 bnx2x_sp_mapping(bp, client_init_data));
6766 return rc;
6767}
6768
stephen hemminger8d962862010-10-21 07:50:56 +00006769static int bnx2x_stop_fw_client(struct bnx2x *bp,
6770 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006771{
6772 int rc;
6773
6774 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6775
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006776 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006777 *p->pstate = BNX2X_FP_STATE_HALTING;
6778 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6779 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006780
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006781 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006782 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6783 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006784 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006785 return rc;
6786
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006787 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6788 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6789 p->cl_id, 0);
6790 /* Wait for completion */
6791 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6792 p->pstate, poll_flag);
6793 if (rc) /* timeout */
6794 return rc;
6795
6796
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006797 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006798 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006799
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006800 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006801 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6802 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006803 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006804}
6805
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006806static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006807{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006808 struct bnx2x_client_ramrod_params client_stop = {0};
6809 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006810
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006811 client_stop.index = index;
6812 client_stop.cid = fp->cid;
6813 client_stop.cl_id = fp->cl_id;
6814 client_stop.pstate = &(fp->state);
6815 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006816
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006817 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006818}
6819
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006820
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006821static void bnx2x_reset_func(struct bnx2x *bp)
6822{
6823 int port = BP_PORT(bp);
6824 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006825 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006826 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006827 (CHIP_IS_E2(bp) ?
6828 offsetof(struct hc_status_block_data_e2, common) :
6829 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006830 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6831 int pfid_offset = offsetof(struct pci_entity, pf_id);
6832
6833 /* Disable the function in the FW */
6834 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6835 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6836 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6837 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6838
6839 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006840 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006841 struct bnx2x_fastpath *fp = &bp->fp[i];
6842 REG_WR8(bp,
6843 BAR_CSTRORM_INTMEM +
6844 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6845 + pfunc_offset_fp + pfid_offset,
6846 HC_FUNCTION_DISABLED);
6847 }
6848
6849 /* SP SB */
6850 REG_WR8(bp,
6851 BAR_CSTRORM_INTMEM +
6852 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6853 pfunc_offset_sp + pfid_offset,
6854 HC_FUNCTION_DISABLED);
6855
6856
6857 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6858 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6859 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006860
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006861 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006862 if (bp->common.int_block == INT_BLOCK_HC) {
6863 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6864 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6865 } else {
6866 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6867 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6868 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006869
Michael Chan37b091b2009-10-10 13:46:55 +00006870#ifdef BCM_CNIC
6871 /* Disable Timer scan */
6872 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6873 /*
6874 * Wait for at least 10ms and up to 2 second for the timers scan to
6875 * complete
6876 */
6877 for (i = 0; i < 200; i++) {
6878 msleep(10);
6879 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6880 break;
6881 }
6882#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006883 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006884 bnx2x_clear_func_ilt(bp, func);
6885
6886 /* Timers workaround bug for E2: if this is vnic-3,
6887 * we need to set the entire ilt range for this timers.
6888 */
6889 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6890 struct ilt_client_info ilt_cli;
6891 /* use dummy TM client */
6892 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6893 ilt_cli.start = 0;
6894 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6895 ilt_cli.client_num = ILT_CLIENT_TM;
6896
6897 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6898 }
6899
6900 /* this assumes that reset_port() called before reset_func()*/
6901 if (CHIP_IS_E2(bp))
6902 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006903
6904 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006905}
6906
6907static void bnx2x_reset_port(struct bnx2x *bp)
6908{
6909 int port = BP_PORT(bp);
6910 u32 val;
6911
6912 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6913
6914 /* Do not rcv packets to BRB */
6915 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6916 /* Do not direct rcv packets that are not for MCP to the BRB */
6917 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6918 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6919
6920 /* Configure AEU */
6921 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6922
6923 msleep(100);
6924 /* Check for BRB port occupancy */
6925 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6926 if (val)
6927 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006928 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006929
6930 /* TODO: Close Doorbell port? */
6931}
6932
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006933static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6934{
6935 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006936 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006937
6938 switch (reset_code) {
6939 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6940 bnx2x_reset_port(bp);
6941 bnx2x_reset_func(bp);
6942 bnx2x_reset_common(bp);
6943 break;
6944
6945 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6946 bnx2x_reset_port(bp);
6947 bnx2x_reset_func(bp);
6948 break;
6949
6950 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6951 bnx2x_reset_func(bp);
6952 break;
6953
6954 default:
6955 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6956 break;
6957 }
6958}
6959
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006960#ifdef BCM_CNIC
6961static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
6962{
6963 if (bp->flags & FCOE_MACS_SET) {
6964 if (!IS_MF_SD(bp))
6965 bnx2x_set_fip_eth_mac_addr(bp, 0);
6966
6967 bnx2x_set_all_enode_macs(bp, 0);
6968
6969 bp->flags &= ~FCOE_MACS_SET;
6970 }
6971}
6972#endif
6973
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006974void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006975{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006976 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006977 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006978 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006979
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006980 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006981 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006982 struct bnx2x_fastpath *fp = &bp->fp[i];
6983
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006984 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08006985 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006986
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006987 if (!cnt) {
6988 BNX2X_ERR("timeout waiting for queue[%d]\n",
6989 i);
6990#ifdef BNX2X_STOP_ON_ERROR
6991 bnx2x_panic();
6992 return -EBUSY;
6993#else
6994 break;
6995#endif
6996 }
6997 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006998 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006999 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007000 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007001 /* Give HW time to discard old tx messages */
7002 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007003
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007004 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007005
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007006 bnx2x_invalidate_uc_list(bp);
7007
7008 if (CHIP_IS_E1(bp))
7009 bnx2x_invalidate_e1_mc_list(bp);
7010 else {
7011 bnx2x_invalidate_e1h_mc_list(bp);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007012 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007013 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007014
Michael Chan993ac7b2009-10-10 13:46:56 +00007015#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007016 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007017#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007018
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007019 if (unload_mode == UNLOAD_NORMAL)
7020 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007021
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007022 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007023 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007024
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007025 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007026 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007027 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007028 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007029 /* The mac address is written to entries 1-4 to
7030 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007031 u8 entry = (BP_E1HVN(bp) + 1)*8;
7032
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007033 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007034 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007035
7036 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7037 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007038 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007039
7040 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007041
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007042 } else
7043 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7044
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007045 /* Close multi and leading connections
7046 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007047 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007048
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007049 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007050#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007051 return;
7052#else
7053 goto unload_error;
7054#endif
7055
7056 rc = bnx2x_func_stop(bp);
7057 if (rc) {
7058 BNX2X_ERR("Function stop failed!\n");
7059#ifdef BNX2X_STOP_ON_ERROR
7060 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007061#else
7062 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007063#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007064 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007065#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007066unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007067#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007068 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007069 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007070 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007071 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7072 "%d, %d, %d\n", BP_PATH(bp),
7073 load_count[BP_PATH(bp)][0],
7074 load_count[BP_PATH(bp)][1],
7075 load_count[BP_PATH(bp)][2]);
7076 load_count[BP_PATH(bp)][0]--;
7077 load_count[BP_PATH(bp)][1 + port]--;
7078 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7079 "%d, %d, %d\n", BP_PATH(bp),
7080 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7081 load_count[BP_PATH(bp)][2]);
7082 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007083 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007084 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007085 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7086 else
7087 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7088 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007089
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007090 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7091 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7092 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007093
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007094 /* Disable HW interrupts, NAPI */
7095 bnx2x_netif_stop(bp, 1);
7096
7097 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007098 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007099
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007100 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007101 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007102
7103 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007104 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007105 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007106
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007107}
7108
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007109void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007110{
7111 u32 val;
7112
7113 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7114
7115 if (CHIP_IS_E1(bp)) {
7116 int port = BP_PORT(bp);
7117 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7118 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7119
7120 val = REG_RD(bp, addr);
7121 val &= ~(0x300);
7122 REG_WR(bp, addr, val);
7123 } else if (CHIP_IS_E1H(bp)) {
7124 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7125 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7126 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7127 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7128 }
7129}
7130
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007131/* Close gates #2, #3 and #4: */
7132static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7133{
7134 u32 val, addr;
7135
7136 /* Gates #2 and #4a are closed/opened for "not E1" only */
7137 if (!CHIP_IS_E1(bp)) {
7138 /* #4 */
7139 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7140 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7141 close ? (val | 0x1) : (val & (~(u32)1)));
7142 /* #2 */
7143 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7144 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7145 close ? (val | 0x1) : (val & (~(u32)1)));
7146 }
7147
7148 /* #3 */
7149 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7150 val = REG_RD(bp, addr);
7151 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7152
7153 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7154 close ? "closing" : "opening");
7155 mmiowb();
7156}
7157
7158#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7159
7160static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7161{
7162 /* Do some magic... */
7163 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7164 *magic_val = val & SHARED_MF_CLP_MAGIC;
7165 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7166}
7167
Dmitry Kravkove8920672011-05-04 23:52:40 +00007168/**
7169 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007170 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007171 * @bp: driver handle
7172 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007173 */
7174static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7175{
7176 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007177 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7178 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7179 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7180}
7181
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007182/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007183 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007184 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007185 * @bp: driver handle
7186 * @magic_val: old value of 'magic' bit.
7187 *
7188 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007189 */
7190static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7191{
7192 u32 shmem;
7193 u32 validity_offset;
7194
7195 DP(NETIF_MSG_HW, "Starting\n");
7196
7197 /* Set `magic' bit in order to save MF config */
7198 if (!CHIP_IS_E1(bp))
7199 bnx2x_clp_reset_prep(bp, magic_val);
7200
7201 /* Get shmem offset */
7202 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7203 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7204
7205 /* Clear validity map flags */
7206 if (shmem > 0)
7207 REG_WR(bp, shmem + validity_offset, 0);
7208}
7209
7210#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7211#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7212
Dmitry Kravkove8920672011-05-04 23:52:40 +00007213/**
7214 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007215 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007216 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007217 */
7218static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7219{
7220 /* special handling for emulation and FPGA,
7221 wait 10 times longer */
7222 if (CHIP_REV_IS_SLOW(bp))
7223 msleep(MCP_ONE_TIMEOUT*10);
7224 else
7225 msleep(MCP_ONE_TIMEOUT);
7226}
7227
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007228/*
7229 * initializes bp->common.shmem_base and waits for validity signature to appear
7230 */
7231static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007232{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007233 int cnt = 0;
7234 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007235
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007236 do {
7237 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7238 if (bp->common.shmem_base) {
7239 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7240 if (val & SHR_MEM_VALIDITY_MB)
7241 return 0;
7242 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007243
7244 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007245
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007246 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007247
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007248 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007249
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007250 return -ENODEV;
7251}
7252
7253static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7254{
7255 int rc = bnx2x_init_shmem(bp);
7256
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007257 /* Restore the `magic' bit value */
7258 if (!CHIP_IS_E1(bp))
7259 bnx2x_clp_reset_done(bp, magic_val);
7260
7261 return rc;
7262}
7263
7264static void bnx2x_pxp_prep(struct bnx2x *bp)
7265{
7266 if (!CHIP_IS_E1(bp)) {
7267 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7268 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7269 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7270 mmiowb();
7271 }
7272}
7273
7274/*
7275 * Reset the whole chip except for:
7276 * - PCIE core
7277 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7278 * one reset bit)
7279 * - IGU
7280 * - MISC (including AEU)
7281 * - GRC
7282 * - RBCN, RBCP
7283 */
7284static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7285{
7286 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7287
7288 not_reset_mask1 =
7289 MISC_REGISTERS_RESET_REG_1_RST_HC |
7290 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7291 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7292
7293 not_reset_mask2 =
7294 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7295 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7296 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7297 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7298 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7299 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7300 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7301 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7302
7303 reset_mask1 = 0xffffffff;
7304
7305 if (CHIP_IS_E1(bp))
7306 reset_mask2 = 0xffff;
7307 else
7308 reset_mask2 = 0x1ffff;
7309
7310 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7311 reset_mask1 & (~not_reset_mask1));
7312 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7313 reset_mask2 & (~not_reset_mask2));
7314
7315 barrier();
7316 mmiowb();
7317
7318 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7319 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7320 mmiowb();
7321}
7322
7323static int bnx2x_process_kill(struct bnx2x *bp)
7324{
7325 int cnt = 1000;
7326 u32 val = 0;
7327 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7328
7329
7330 /* Empty the Tetris buffer, wait for 1s */
7331 do {
7332 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7333 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7334 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7335 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7336 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7337 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7338 ((port_is_idle_0 & 0x1) == 0x1) &&
7339 ((port_is_idle_1 & 0x1) == 0x1) &&
7340 (pgl_exp_rom2 == 0xffffffff))
7341 break;
7342 msleep(1);
7343 } while (cnt-- > 0);
7344
7345 if (cnt <= 0) {
7346 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7347 " are still"
7348 " outstanding read requests after 1s!\n");
7349 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7350 " port_is_idle_0=0x%08x,"
7351 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7352 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7353 pgl_exp_rom2);
7354 return -EAGAIN;
7355 }
7356
7357 barrier();
7358
7359 /* Close gates #2, #3 and #4 */
7360 bnx2x_set_234_gates(bp, true);
7361
7362 /* TBD: Indicate that "process kill" is in progress to MCP */
7363
7364 /* Clear "unprepared" bit */
7365 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7366 barrier();
7367
7368 /* Make sure all is written to the chip before the reset */
7369 mmiowb();
7370
7371 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7372 * PSWHST, GRC and PSWRD Tetris buffer.
7373 */
7374 msleep(1);
7375
7376 /* Prepare to chip reset: */
7377 /* MCP */
7378 bnx2x_reset_mcp_prep(bp, &val);
7379
7380 /* PXP */
7381 bnx2x_pxp_prep(bp);
7382 barrier();
7383
7384 /* reset the chip */
7385 bnx2x_process_kill_chip_reset(bp);
7386 barrier();
7387
7388 /* Recover after reset: */
7389 /* MCP */
7390 if (bnx2x_reset_mcp_comp(bp, val))
7391 return -EAGAIN;
7392
7393 /* PXP */
7394 bnx2x_pxp_prep(bp);
7395
7396 /* Open the gates #2, #3 and #4 */
7397 bnx2x_set_234_gates(bp, false);
7398
7399 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7400 * reset state, re-enable attentions. */
7401
7402 return 0;
7403}
7404
7405static int bnx2x_leader_reset(struct bnx2x *bp)
7406{
7407 int rc = 0;
7408 /* Try to recover after the failure */
7409 if (bnx2x_process_kill(bp)) {
7410 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7411 bp->dev->name);
7412 rc = -EAGAIN;
7413 goto exit_leader_reset;
7414 }
7415
7416 /* Clear "reset is in progress" bit and update the driver state */
7417 bnx2x_set_reset_done(bp);
7418 bp->recovery_state = BNX2X_RECOVERY_DONE;
7419
7420exit_leader_reset:
7421 bp->is_leader = 0;
7422 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7423 smp_wmb();
7424 return rc;
7425}
7426
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007427/* Assumption: runs under rtnl lock. This together with the fact
7428 * that it's called only from bnx2x_reset_task() ensure that it
7429 * will never be called when netif_running(bp->dev) is false.
7430 */
7431static void bnx2x_parity_recover(struct bnx2x *bp)
7432{
7433 DP(NETIF_MSG_HW, "Handling parity\n");
7434 while (1) {
7435 switch (bp->recovery_state) {
7436 case BNX2X_RECOVERY_INIT:
7437 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7438 /* Try to get a LEADER_LOCK HW lock */
7439 if (bnx2x_trylock_hw_lock(bp,
7440 HW_LOCK_RESOURCE_RESERVED_08))
7441 bp->is_leader = 1;
7442
7443 /* Stop the driver */
7444 /* If interface has been removed - break */
7445 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7446 return;
7447
7448 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7449 /* Ensure "is_leader" and "recovery_state"
7450 * update values are seen on other CPUs
7451 */
7452 smp_wmb();
7453 break;
7454
7455 case BNX2X_RECOVERY_WAIT:
7456 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7457 if (bp->is_leader) {
7458 u32 load_counter = bnx2x_get_load_cnt(bp);
7459 if (load_counter) {
7460 /* Wait until all other functions get
7461 * down.
7462 */
7463 schedule_delayed_work(&bp->reset_task,
7464 HZ/10);
7465 return;
7466 } else {
7467 /* If all other functions got down -
7468 * try to bring the chip back to
7469 * normal. In any case it's an exit
7470 * point for a leader.
7471 */
7472 if (bnx2x_leader_reset(bp) ||
7473 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7474 printk(KERN_ERR"%s: Recovery "
7475 "has failed. Power cycle is "
7476 "needed.\n", bp->dev->name);
7477 /* Disconnect this device */
7478 netif_device_detach(bp->dev);
7479 /* Block ifup for all function
7480 * of this ASIC until
7481 * "process kill" or power
7482 * cycle.
7483 */
7484 bnx2x_set_reset_in_progress(bp);
7485 /* Shut down the power */
7486 bnx2x_set_power_state(bp,
7487 PCI_D3hot);
7488 return;
7489 }
7490
7491 return;
7492 }
7493 } else { /* non-leader */
7494 if (!bnx2x_reset_is_done(bp)) {
7495 /* Try to get a LEADER_LOCK HW lock as
7496 * long as a former leader may have
7497 * been unloaded by the user or
7498 * released a leadership by another
7499 * reason.
7500 */
7501 if (bnx2x_trylock_hw_lock(bp,
7502 HW_LOCK_RESOURCE_RESERVED_08)) {
7503 /* I'm a leader now! Restart a
7504 * switch case.
7505 */
7506 bp->is_leader = 1;
7507 break;
7508 }
7509
7510 schedule_delayed_work(&bp->reset_task,
7511 HZ/10);
7512 return;
7513
7514 } else { /* A leader has completed
7515 * the "process kill". It's an exit
7516 * point for a non-leader.
7517 */
7518 bnx2x_nic_load(bp, LOAD_NORMAL);
7519 bp->recovery_state =
7520 BNX2X_RECOVERY_DONE;
7521 smp_wmb();
7522 return;
7523 }
7524 }
7525 default:
7526 return;
7527 }
7528 }
7529}
7530
7531/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7532 * scheduled on a general queue in order to prevent a dead lock.
7533 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007534static void bnx2x_reset_task(struct work_struct *work)
7535{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007536 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007537
7538#ifdef BNX2X_STOP_ON_ERROR
7539 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7540 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007541 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007542 return;
7543#endif
7544
7545 rtnl_lock();
7546
7547 if (!netif_running(bp->dev))
7548 goto reset_task_exit;
7549
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007550 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7551 bnx2x_parity_recover(bp);
7552 else {
7553 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7554 bnx2x_nic_load(bp, LOAD_NORMAL);
7555 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007556
7557reset_task_exit:
7558 rtnl_unlock();
7559}
7560
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007561/* end of nic load/unload */
7562
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007563/*
7564 * Init service functions
7565 */
7566
stephen hemminger8d962862010-10-21 07:50:56 +00007567static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007568{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007569 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7570 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7571 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007572}
7573
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007574static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007575{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007576 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007577
7578 /* Flush all outstanding writes */
7579 mmiowb();
7580
7581 /* Pretend to be function 0 */
7582 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007583 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007584
7585 /* From now we are in the "like-E1" mode */
7586 bnx2x_int_disable(bp);
7587
7588 /* Flush all outstanding writes */
7589 mmiowb();
7590
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007591 /* Restore the original function */
7592 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7593 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007594}
7595
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007596static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007597{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007598 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007599 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007600 else
7601 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007602}
7603
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007604static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007605{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007606 u32 val;
7607
7608 /* Check if there is any driver already loaded */
7609 val = REG_RD(bp, MISC_REG_UNPREPARED);
7610 if (val == 0x1) {
7611 /* Check if it is the UNDI driver
7612 * UNDI driver initializes CID offset for normal bell to 0x7
7613 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007614 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007615 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7616 if (val == 0x7) {
7617 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007618 /* save our pf_num */
7619 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007620 u32 swap_en;
7621 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007622
Eilon Greensteinb4661732009-01-14 06:43:56 +00007623 /* clear the UNDI indication */
7624 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7625
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007626 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7627
7628 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007629 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007630 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007631 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007632 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007633 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007634
7635 /* if UNDI is loaded on the other port */
7636 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7637
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007638 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007639 bnx2x_fw_command(bp,
7640 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007641
7642 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007643 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007644 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007645 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007646 DRV_MSG_SEQ_NUMBER_MASK);
7647 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007648
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007649 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007650 }
7651
Eilon Greensteinb4661732009-01-14 06:43:56 +00007652 /* now it's safe to release the lock */
7653 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7654
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007655 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007656
7657 /* close input traffic and wait for it */
7658 /* Do not rcv packets to BRB */
7659 REG_WR(bp,
7660 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7661 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7662 /* Do not direct rcv packets that are not for MCP to
7663 * the BRB */
7664 REG_WR(bp,
7665 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7666 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7667 /* clear AEU */
7668 REG_WR(bp,
7669 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7670 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7671 msleep(10);
7672
7673 /* save NIG port swap info */
7674 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7675 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007676 /* reset device */
7677 REG_WR(bp,
7678 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007679 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007680 REG_WR(bp,
7681 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7682 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007683 /* take the NIG out of reset and restore swap values */
7684 REG_WR(bp,
7685 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7686 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7687 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7688 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7689
7690 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007691 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007692
7693 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007694 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007695 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007696 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007697 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007698 } else
7699 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007700 }
7701}
7702
7703static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7704{
7705 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007706 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007707
7708 /* Get the chip revision id and number. */
7709 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7710 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7711 id = ((val & 0xffff) << 16);
7712 val = REG_RD(bp, MISC_REG_CHIP_REV);
7713 id |= ((val & 0xf) << 12);
7714 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7715 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007716 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007717 id |= (val & 0xf);
7718 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007719
7720 /* Set doorbell size */
7721 bp->db_size = (1 << BNX2X_DB_SHIFT);
7722
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007723 if (CHIP_IS_E2(bp)) {
7724 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7725 if ((val & 1) == 0)
7726 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7727 else
7728 val = (val >> 1) & 1;
7729 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7730 "2_PORT_MODE");
7731 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7732 CHIP_2_PORT_MODE;
7733
7734 if (CHIP_MODE_IS_4_PORT(bp))
7735 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7736 else
7737 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7738 } else {
7739 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7740 bp->pfid = bp->pf_num; /* 0..7 */
7741 }
7742
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007743 /*
7744 * set base FW non-default (fast path) status block id, this value is
7745 * used to initialize the fw_sb_id saved on the fp/queue structure to
7746 * determine the id used by the FW.
7747 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007748 if (CHIP_IS_E1x(bp))
7749 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7750 else /* E2 */
7751 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7752
7753 bp->link_params.chip_id = bp->common.chip_id;
7754 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007755
Eilon Greenstein1c063282009-02-12 08:36:43 +00007756 val = (REG_RD(bp, 0x2874) & 0x55);
7757 if ((bp->common.chip_id & 0x1) ||
7758 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7759 bp->flags |= ONE_PORT_FLAG;
7760 BNX2X_DEV_INFO("single port device\n");
7761 }
7762
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007763 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7764 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7765 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7766 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7767 bp->common.flash_size, bp->common.flash_size);
7768
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007769 bnx2x_init_shmem(bp);
7770
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007771 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7772 MISC_REG_GENERIC_CR_1 :
7773 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007774
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007775 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007776 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007777 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7778 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007779
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007780 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007781 BNX2X_DEV_INFO("MCP not active\n");
7782 bp->flags |= NO_MCP_FLAG;
7783 return;
7784 }
7785
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007786 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007787 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007788
7789 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7790 SHARED_HW_CFG_LED_MODE_MASK) >>
7791 SHARED_HW_CFG_LED_MODE_SHIFT);
7792
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007793 bp->link_params.feature_config_flags = 0;
7794 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7795 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7796 bp->link_params.feature_config_flags |=
7797 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7798 else
7799 bp->link_params.feature_config_flags &=
7800 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7801
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007802 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7803 bp->common.bc_ver = val;
7804 BNX2X_DEV_INFO("bc_ver %X\n", val);
7805 if (val < BNX2X_BC_VER) {
7806 /* for now only warn
7807 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007808 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7809 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007810 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007811 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007812 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007813 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7814
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007815 bp->link_params.feature_config_flags |=
7816 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7817 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007818
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00007819 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7820 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7821
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007822 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007823 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007824
7825 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7826 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7827 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7828 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7829
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007830 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7831 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007832}
7833
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007834#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7835#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7836
7837static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7838{
7839 int pfid = BP_FUNC(bp);
7840 int vn = BP_E1HVN(bp);
7841 int igu_sb_id;
7842 u32 val;
7843 u8 fid;
7844
7845 bp->igu_base_sb = 0xff;
7846 bp->igu_sb_cnt = 0;
7847 if (CHIP_INT_MODE_IS_BC(bp)) {
7848 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007849 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007850
7851 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7852 FP_SB_MAX_E1x;
7853
7854 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7855 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7856
7857 return;
7858 }
7859
7860 /* IGU in normal mode - read CAM */
7861 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7862 igu_sb_id++) {
7863 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7864 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7865 continue;
7866 fid = IGU_FID(val);
7867 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7868 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7869 continue;
7870 if (IGU_VEC(val) == 0)
7871 /* default status block */
7872 bp->igu_dsb_id = igu_sb_id;
7873 else {
7874 if (bp->igu_base_sb == 0xff)
7875 bp->igu_base_sb = igu_sb_id;
7876 bp->igu_sb_cnt++;
7877 }
7878 }
7879 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007880 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
7881 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007882 if (bp->igu_sb_cnt == 0)
7883 BNX2X_ERR("CAM configuration error\n");
7884}
7885
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007886static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7887 u32 switch_cfg)
7888{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007889 int cfg_size = 0, idx, port = BP_PORT(bp);
7890
7891 /* Aggregation of supported attributes of all external phys */
7892 bp->port.supported[0] = 0;
7893 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007894 switch (bp->link_params.num_phys) {
7895 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007896 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
7897 cfg_size = 1;
7898 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007899 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007900 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
7901 cfg_size = 1;
7902 break;
7903 case 3:
7904 if (bp->link_params.multi_phy_config &
7905 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
7906 bp->port.supported[1] =
7907 bp->link_params.phy[EXT_PHY1].supported;
7908 bp->port.supported[0] =
7909 bp->link_params.phy[EXT_PHY2].supported;
7910 } else {
7911 bp->port.supported[0] =
7912 bp->link_params.phy[EXT_PHY1].supported;
7913 bp->port.supported[1] =
7914 bp->link_params.phy[EXT_PHY2].supported;
7915 }
7916 cfg_size = 2;
7917 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007918 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007919
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007920 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007921 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007922 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007923 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007924 dev_info.port_hw_config[port].external_phy_config),
7925 SHMEM_RD(bp,
7926 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007927 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007928 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007929
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007930 switch (switch_cfg) {
7931 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007932 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7933 port*0x10);
7934 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007935 break;
7936
7937 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007938 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7939 port*0x18);
7940 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007941 break;
7942
7943 default:
7944 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007945 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007946 return;
7947 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007948 /* mask what we support according to speed_cap_mask per configuration */
7949 for (idx = 0; idx < cfg_size; idx++) {
7950 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007951 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007952 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007953
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007954 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007955 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007956 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007957
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007958 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007959 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007960 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007961
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007962 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007963 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007964 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007965
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007966 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007967 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007968 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007969 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007970
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007971 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007972 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007973 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007974
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007975 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007976 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007977 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007978
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007979 }
7980
7981 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
7982 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007983}
7984
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007985static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007986{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007987 u32 link_config, idx, cfg_size = 0;
7988 bp->port.advertising[0] = 0;
7989 bp->port.advertising[1] = 0;
7990 switch (bp->link_params.num_phys) {
7991 case 1:
7992 case 2:
7993 cfg_size = 1;
7994 break;
7995 case 3:
7996 cfg_size = 2;
7997 break;
7998 }
7999 for (idx = 0; idx < cfg_size; idx++) {
8000 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8001 link_config = bp->port.link_config[idx];
8002 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008003 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008004 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8005 bp->link_params.req_line_speed[idx] =
8006 SPEED_AUTO_NEG;
8007 bp->port.advertising[idx] |=
8008 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008009 } else {
8010 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008011 bp->link_params.req_line_speed[idx] =
8012 SPEED_10000;
8013 bp->port.advertising[idx] |=
8014 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008015 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008016 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008017 }
8018 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008019
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008020 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008021 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8022 bp->link_params.req_line_speed[idx] =
8023 SPEED_10;
8024 bp->port.advertising[idx] |=
8025 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008026 ADVERTISED_TP);
8027 } else {
8028 BNX2X_ERROR("NVRAM config error. "
8029 "Invalid link_config 0x%x"
8030 " speed_cap_mask 0x%x\n",
8031 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008032 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008033 return;
8034 }
8035 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008036
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008037 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008038 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8039 bp->link_params.req_line_speed[idx] =
8040 SPEED_10;
8041 bp->link_params.req_duplex[idx] =
8042 DUPLEX_HALF;
8043 bp->port.advertising[idx] |=
8044 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008045 ADVERTISED_TP);
8046 } else {
8047 BNX2X_ERROR("NVRAM config error. "
8048 "Invalid link_config 0x%x"
8049 " speed_cap_mask 0x%x\n",
8050 link_config,
8051 bp->link_params.speed_cap_mask[idx]);
8052 return;
8053 }
8054 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008055
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008056 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8057 if (bp->port.supported[idx] &
8058 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008059 bp->link_params.req_line_speed[idx] =
8060 SPEED_100;
8061 bp->port.advertising[idx] |=
8062 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008063 ADVERTISED_TP);
8064 } else {
8065 BNX2X_ERROR("NVRAM config error. "
8066 "Invalid link_config 0x%x"
8067 " speed_cap_mask 0x%x\n",
8068 link_config,
8069 bp->link_params.speed_cap_mask[idx]);
8070 return;
8071 }
8072 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008073
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008074 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8075 if (bp->port.supported[idx] &
8076 SUPPORTED_100baseT_Half) {
8077 bp->link_params.req_line_speed[idx] =
8078 SPEED_100;
8079 bp->link_params.req_duplex[idx] =
8080 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008081 bp->port.advertising[idx] |=
8082 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008083 ADVERTISED_TP);
8084 } else {
8085 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008086 "Invalid link_config 0x%x"
8087 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008088 link_config,
8089 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008090 return;
8091 }
8092 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008093
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008094 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008095 if (bp->port.supported[idx] &
8096 SUPPORTED_1000baseT_Full) {
8097 bp->link_params.req_line_speed[idx] =
8098 SPEED_1000;
8099 bp->port.advertising[idx] |=
8100 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008101 ADVERTISED_TP);
8102 } else {
8103 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008104 "Invalid link_config 0x%x"
8105 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008106 link_config,
8107 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008108 return;
8109 }
8110 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008111
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008112 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008113 if (bp->port.supported[idx] &
8114 SUPPORTED_2500baseX_Full) {
8115 bp->link_params.req_line_speed[idx] =
8116 SPEED_2500;
8117 bp->port.advertising[idx] |=
8118 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008119 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008120 } else {
8121 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008122 "Invalid link_config 0x%x"
8123 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008124 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008125 bp->link_params.speed_cap_mask[idx]);
8126 return;
8127 }
8128 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008129
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008130 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8131 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8132 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008133 if (bp->port.supported[idx] &
8134 SUPPORTED_10000baseT_Full) {
8135 bp->link_params.req_line_speed[idx] =
8136 SPEED_10000;
8137 bp->port.advertising[idx] |=
8138 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008139 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008140 } else {
8141 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008142 "Invalid link_config 0x%x"
8143 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008144 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008145 bp->link_params.speed_cap_mask[idx]);
8146 return;
8147 }
8148 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008149
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008150 default:
8151 BNX2X_ERROR("NVRAM config error. "
8152 "BAD link speed link_config 0x%x\n",
8153 link_config);
8154 bp->link_params.req_line_speed[idx] =
8155 SPEED_AUTO_NEG;
8156 bp->port.advertising[idx] =
8157 bp->port.supported[idx];
8158 break;
8159 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008160
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008161 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008162 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008163 if ((bp->link_params.req_flow_ctrl[idx] ==
8164 BNX2X_FLOW_CTRL_AUTO) &&
8165 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8166 bp->link_params.req_flow_ctrl[idx] =
8167 BNX2X_FLOW_CTRL_NONE;
8168 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008169
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008170 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8171 " 0x%x advertising 0x%x\n",
8172 bp->link_params.req_line_speed[idx],
8173 bp->link_params.req_duplex[idx],
8174 bp->link_params.req_flow_ctrl[idx],
8175 bp->port.advertising[idx]);
8176 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008177}
8178
Michael Chane665bfd2009-10-10 13:46:54 +00008179static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8180{
8181 mac_hi = cpu_to_be16(mac_hi);
8182 mac_lo = cpu_to_be32(mac_lo);
8183 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8184 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8185}
8186
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008187static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008188{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008189 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008190 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008191 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008192
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008193 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008194 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008195
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008196 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008197 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008198
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008199 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008200 SHMEM_RD(bp,
8201 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008202 bp->link_params.speed_cap_mask[1] =
8203 SHMEM_RD(bp,
8204 dev_info.port_hw_config[port].speed_capability_mask2);
8205 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008206 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8207
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008208 bp->port.link_config[1] =
8209 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008210
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008211 bp->link_params.multi_phy_config =
8212 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008213 /* If the device is capable of WoL, set the default state according
8214 * to the HW
8215 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008216 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008217 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8218 (config & PORT_FEATURE_WOL_ENABLED));
8219
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008220 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008221 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008222 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008223 bp->link_params.speed_cap_mask[0],
8224 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008225
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008226 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008227 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008228 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008229 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008230
8231 bnx2x_link_settings_requested(bp);
8232
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008233 /*
8234 * If connected directly, work with the internal PHY, otherwise, work
8235 * with the external PHY
8236 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008237 ext_phy_config =
8238 SHMEM_RD(bp,
8239 dev_info.port_hw_config[port].external_phy_config);
8240 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008241 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008242 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008243
8244 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8245 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8246 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008247 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008248
8249 /*
8250 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8251 * In MF mode, it is set to cover self test cases
8252 */
8253 if (IS_MF(bp))
8254 bp->port.need_hw_lock = 1;
8255 else
8256 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8257 bp->common.shmem_base,
8258 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008259}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008260
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008261#ifdef BCM_CNIC
8262static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8263{
8264 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8265 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8266 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8267 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8268
8269 /* Get the number of maximum allowed iSCSI and FCoE connections */
8270 bp->cnic_eth_dev.max_iscsi_conn =
8271 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8272 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8273
8274 bp->cnic_eth_dev.max_fcoe_conn =
8275 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8276 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8277
8278 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8279 bp->cnic_eth_dev.max_iscsi_conn,
8280 bp->cnic_eth_dev.max_fcoe_conn);
8281
8282 /* If mamimum allowed number of connections is zero -
8283 * disable the feature.
8284 */
8285 if (!bp->cnic_eth_dev.max_iscsi_conn)
8286 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8287
8288 if (!bp->cnic_eth_dev.max_fcoe_conn)
8289 bp->flags |= NO_FCOE_FLAG;
8290}
8291#endif
8292
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008293static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8294{
8295 u32 val, val2;
8296 int func = BP_ABS_FUNC(bp);
8297 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008298#ifdef BCM_CNIC
8299 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8300 u8 *fip_mac = bp->fip_mac;
8301#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008302
8303 if (BP_NOMCP(bp)) {
8304 BNX2X_ERROR("warning: random MAC workaround active\n");
8305 random_ether_addr(bp->dev->dev_addr);
8306 } else if (IS_MF(bp)) {
8307 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8308 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8309 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8310 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8311 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8312
8313#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008314 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8315 * FCoE MAC then the appropriate feature should be disabled.
8316 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008317 if (IS_MF_SI(bp)) {
8318 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8319 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8320 val2 = MF_CFG_RD(bp, func_ext_config[func].
8321 iscsi_mac_addr_upper);
8322 val = MF_CFG_RD(bp, func_ext_config[func].
8323 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008324 BNX2X_DEV_INFO("Read iSCSI MAC: "
8325 "0x%x:0x%04x\n", val2, val);
8326 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008327 } else
8328 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8329
8330 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8331 val2 = MF_CFG_RD(bp, func_ext_config[func].
8332 fcoe_mac_addr_upper);
8333 val = MF_CFG_RD(bp, func_ext_config[func].
8334 fcoe_mac_addr_lower);
8335 BNX2X_DEV_INFO("Read FCoE MAC to "
8336 "0x%x:0x%04x\n", val2, val);
8337 bnx2x_set_mac_buf(fip_mac, val, val2);
8338
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008339 } else
8340 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008341 }
8342#endif
8343 } else {
8344 /* in SF read MACs from port configuration */
8345 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8346 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8347 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8348
8349#ifdef BCM_CNIC
8350 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8351 iscsi_mac_upper);
8352 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8353 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008354 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008355#endif
8356 }
8357
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008358 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8359 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008360
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008361#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008362 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008363 if (!CHIP_IS_E1x(bp)) {
8364 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008365 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8366 else if (!IS_MF(bp))
8367 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008368 }
Dmitry Kravkov426b9242011-05-04 23:49:53 +00008369
8370 /* Disable iSCSI if MAC configuration is
8371 * invalid.
8372 */
8373 if (!is_valid_ether_addr(iscsi_mac)) {
8374 bp->flags |= NO_ISCSI_FLAG;
8375 memset(iscsi_mac, 0, ETH_ALEN);
8376 }
8377
8378 /* Disable FCoE if MAC configuration is
8379 * invalid.
8380 */
8381 if (!is_valid_ether_addr(fip_mac)) {
8382 bp->flags |= NO_FCOE_FLAG;
8383 memset(bp->fip_mac, 0, ETH_ALEN);
8384 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008385#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008386}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008387
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008388static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8389{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008390 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07008391 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008392 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008393 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008394
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008395 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008396
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008397 if (CHIP_IS_E1x(bp)) {
8398 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008399
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008400 bp->igu_dsb_id = DEF_SB_IGU_ID;
8401 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008402 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8403 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008404 } else {
8405 bp->common.int_block = INT_BLOCK_IGU;
8406 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8407 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8408 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8409 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8410 } else
8411 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8412
8413 bnx2x_get_igu_cam_info(bp);
8414
8415 }
8416 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8417 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8418
8419 /*
8420 * Initialize MF configuration
8421 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008422
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008423 bp->mf_ov = 0;
8424 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008425 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008426
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008427 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008428 DP(NETIF_MSG_PROBE,
8429 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8430 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8431 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008432 if (SHMEM2_HAS(bp, mf_cfg_addr))
8433 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8434 else
8435 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008436 offsetof(struct shmem_region, func_mb) +
8437 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008438 /*
8439 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008440 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008441 * 2. MAC address must be legal (check only upper bytes)
8442 * for Switch-Independent mode;
8443 * OVLAN must be legal for Switch-Dependent mode
8444 * 3. SF_MODE configures specific MF mode
8445 */
8446 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8447 /* get mf configuration */
8448 val = SHMEM_RD(bp,
8449 dev_info.shared_feature_config.config);
8450 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008451
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008452 switch (val) {
8453 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8454 val = MF_CFG_RD(bp, func_mf_config[func].
8455 mac_upper);
8456 /* check for legal mac (upper bytes)*/
8457 if (val != 0xffff) {
8458 bp->mf_mode = MULTI_FUNCTION_SI;
8459 bp->mf_config[vn] = MF_CFG_RD(bp,
8460 func_mf_config[func].config);
8461 } else
8462 DP(NETIF_MSG_PROBE, "illegal MAC "
8463 "address for SI\n");
8464 break;
8465 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8466 /* get OV configuration */
8467 val = MF_CFG_RD(bp,
8468 func_mf_config[FUNC_0].e1hov_tag);
8469 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8470
8471 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8472 bp->mf_mode = MULTI_FUNCTION_SD;
8473 bp->mf_config[vn] = MF_CFG_RD(bp,
8474 func_mf_config[func].config);
8475 } else
8476 DP(NETIF_MSG_PROBE, "illegal OV for "
8477 "SD\n");
8478 break;
8479 default:
8480 /* Unknown configuration: reset mf_config */
8481 bp->mf_config[vn] = 0;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008482 DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008483 val);
8484 }
8485 }
8486
Eilon Greenstein2691d512009-08-12 08:22:08 +00008487 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008488 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008489
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008490 switch (bp->mf_mode) {
8491 case MULTI_FUNCTION_SD:
8492 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8493 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008494 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008495 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008496 BNX2X_DEV_INFO("MF OV for func %d is %d"
8497 " (0x%04x)\n", func,
8498 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008499 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008500 BNX2X_ERR("No valid MF OV for func %d,"
8501 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008502 rc = -EPERM;
8503 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008504 break;
8505 case MULTI_FUNCTION_SI:
8506 BNX2X_DEV_INFO("func %d is in MF "
8507 "switch-independent mode\n", func);
8508 break;
8509 default:
8510 if (vn) {
8511 BNX2X_ERR("VN %d in single function mode,"
8512 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008513 rc = -EPERM;
8514 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008515 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008516 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008517
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008518 }
8519
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008520 /* adjust igu_sb_cnt to MF for E1x */
8521 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008522 bp->igu_sb_cnt /= E1HVN_MAX;
8523
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008524 /*
8525 * adjust E2 sb count: to be removed when FW will support
8526 * more then 16 L2 clients
8527 */
8528#define MAX_L2_CLIENTS 16
8529 if (CHIP_IS_E2(bp))
8530 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8531 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8532
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008533 if (!BP_NOMCP(bp)) {
8534 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008536 bp->fw_seq =
8537 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8538 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008539 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8540 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008541
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008542 /* Get MAC addresses */
8543 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008544
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008545#ifdef BCM_CNIC
8546 bnx2x_get_cnic_info(bp);
8547#endif
8548
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008549 return rc;
8550}
8551
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008552static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8553{
8554 int cnt, i, block_end, rodi;
8555 char vpd_data[BNX2X_VPD_LEN+1];
8556 char str_id_reg[VENDOR_ID_LEN+1];
8557 char str_id_cap[VENDOR_ID_LEN+1];
8558 u8 len;
8559
8560 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8561 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8562
8563 if (cnt < BNX2X_VPD_LEN)
8564 goto out_not_found;
8565
8566 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8567 PCI_VPD_LRDT_RO_DATA);
8568 if (i < 0)
8569 goto out_not_found;
8570
8571
8572 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8573 pci_vpd_lrdt_size(&vpd_data[i]);
8574
8575 i += PCI_VPD_LRDT_TAG_SIZE;
8576
8577 if (block_end > BNX2X_VPD_LEN)
8578 goto out_not_found;
8579
8580 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8581 PCI_VPD_RO_KEYWORD_MFR_ID);
8582 if (rodi < 0)
8583 goto out_not_found;
8584
8585 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8586
8587 if (len != VENDOR_ID_LEN)
8588 goto out_not_found;
8589
8590 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8591
8592 /* vendor specific info */
8593 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8594 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8595 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8596 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8597
8598 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8599 PCI_VPD_RO_KEYWORD_VENDOR0);
8600 if (rodi >= 0) {
8601 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8602
8603 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8604
8605 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8606 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8607 bp->fw_ver[len] = ' ';
8608 }
8609 }
8610 return;
8611 }
8612out_not_found:
8613 return;
8614}
8615
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008616static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8617{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008618 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008619 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008620 int rc;
8621
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008622 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008623 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008624 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008625#ifdef BCM_CNIC
8626 mutex_init(&bp->cnic_mutex);
8627#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008628
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008629 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008630 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008631
8632 rc = bnx2x_get_hwinfo(bp);
8633
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008634 if (!rc)
8635 rc = bnx2x_alloc_mem_bp(bp);
8636
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008637 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008638
8639 func = BP_FUNC(bp);
8640
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008641 /* need to reset chip if undi was active */
8642 if (!BP_NOMCP(bp))
8643 bnx2x_undi_unload(bp);
8644
8645 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008646 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008647
8648 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008649 dev_err(&bp->pdev->dev, "MCP disabled, "
8650 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008651
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008652 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008653 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008654
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008655 /* Set TPA flags */
8656 if (disable_tpa) {
8657 bp->flags &= ~TPA_ENABLE_FLAG;
8658 bp->dev->features &= ~NETIF_F_LRO;
8659 } else {
8660 bp->flags |= TPA_ENABLE_FLAG;
8661 bp->dev->features |= NETIF_F_LRO;
8662 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008663 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008664
Eilon Greensteina18f5122009-08-12 08:23:26 +00008665 if (CHIP_IS_E1(bp))
8666 bp->dropless_fc = 0;
8667 else
8668 bp->dropless_fc = dropless_fc;
8669
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008670 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008671
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008672 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008673
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008674 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008675 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8676 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008677
Eilon Greenstein87942b42009-02-12 08:36:49 +00008678 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8679 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008680
8681 init_timer(&bp->timer);
8682 bp->timer.expires = jiffies + bp->current_interval;
8683 bp->timer.data = (unsigned long) bp;
8684 bp->timer.function = bnx2x_timer;
8685
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008686 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008687 bnx2x_dcbx_init_params(bp);
8688
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008689 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008690}
8691
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008692
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008693/****************************************************************************
8694* General service functions
8695****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008696
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008697/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008698static int bnx2x_open(struct net_device *dev)
8699{
8700 struct bnx2x *bp = netdev_priv(dev);
8701
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008702 netif_carrier_off(dev);
8703
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008704 bnx2x_set_power_state(bp, PCI_D0);
8705
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008706 if (!bnx2x_reset_is_done(bp)) {
8707 do {
8708 /* Reset MCP mail box sequence if there is on going
8709 * recovery
8710 */
8711 bp->fw_seq = 0;
8712
8713 /* If it's the first function to load and reset done
8714 * is still not cleared it may mean that. We don't
8715 * check the attention state here because it may have
8716 * already been cleared by a "common" reset but we
8717 * shell proceed with "process kill" anyway.
8718 */
8719 if ((bnx2x_get_load_cnt(bp) == 0) &&
8720 bnx2x_trylock_hw_lock(bp,
8721 HW_LOCK_RESOURCE_RESERVED_08) &&
8722 (!bnx2x_leader_reset(bp))) {
8723 DP(NETIF_MSG_HW, "Recovered in open\n");
8724 break;
8725 }
8726
8727 bnx2x_set_power_state(bp, PCI_D3hot);
8728
8729 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8730 " completed yet. Try again later. If u still see this"
8731 " message after a few retries then power cycle is"
8732 " required.\n", bp->dev->name);
8733
8734 return -EAGAIN;
8735 } while (0);
8736 }
8737
8738 bp->recovery_state = BNX2X_RECOVERY_DONE;
8739
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008740 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008741}
8742
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008743/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008744static int bnx2x_close(struct net_device *dev)
8745{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008746 struct bnx2x *bp = netdev_priv(dev);
8747
8748 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008749 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008750 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008751
8752 return 0;
8753}
8754
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008755#define E1_MAX_UC_LIST 29
8756#define E1H_MAX_UC_LIST 30
8757#define E2_MAX_UC_LIST 14
8758static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
8759{
8760 if (CHIP_IS_E1(bp))
8761 return E1_MAX_UC_LIST;
8762 else if (CHIP_IS_E1H(bp))
8763 return E1H_MAX_UC_LIST;
8764 else
8765 return E2_MAX_UC_LIST;
8766}
8767
8768
8769static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
8770{
8771 if (CHIP_IS_E1(bp))
8772 /* CAM Entries for Port0:
8773 * 0 - prim ETH MAC
8774 * 1 - BCAST MAC
8775 * 2 - iSCSI L2 ring ETH MAC
8776 * 3-31 - UC MACs
8777 *
8778 * Port1 entries are allocated the same way starting from
8779 * entry 32.
8780 */
8781 return 3 + 32 * BP_PORT(bp);
8782 else if (CHIP_IS_E1H(bp)) {
8783 /* CAM Entries:
8784 * 0-7 - prim ETH MAC for each function
8785 * 8-15 - iSCSI L2 ring ETH MAC for each function
8786 * 16 till 255 UC MAC lists for each function
8787 *
8788 * Remark: There is no FCoE support for E1H, thus FCoE related
8789 * MACs are not considered.
8790 */
8791 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
8792 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
8793 } else {
8794 /* CAM Entries (there is a separate CAM per engine):
8795 * 0-4 - prim ETH MAC for each function
8796 * 4-7 - iSCSI L2 ring ETH MAC for each function
8797 * 8-11 - FIP ucast L2 MAC for each function
8798 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
8799 * 16 till 71 UC MAC lists for each function
8800 */
8801 u8 func_idx =
8802 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
8803
8804 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
8805 bnx2x_max_uc_list(bp) * func_idx;
8806 }
8807}
8808
8809/* set uc list, do not wait as wait implies sleep and
8810 * set_rx_mode can be invoked from non-sleepable context.
8811 *
8812 * Instead we use the same ramrod data buffer each time we need
8813 * to configure a list of addresses, and use the fact that the
8814 * list of MACs is changed in an incremental way and that the
8815 * function is called under the netif_addr_lock. A temporary
8816 * inconsistent CAM configuration (possible in case of very fast
8817 * sequence of add/del/add on the host side) will shortly be
8818 * restored by the handler of the last ramrod.
8819 */
8820static int bnx2x_set_uc_list(struct bnx2x *bp)
8821{
8822 int i = 0, old;
8823 struct net_device *dev = bp->dev;
8824 u8 offset = bnx2x_uc_list_cam_offset(bp);
8825 struct netdev_hw_addr *ha;
8826 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8827 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8828
8829 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
8830 return -EINVAL;
8831
8832 netdev_for_each_uc_addr(ha, dev) {
8833 /* copy mac */
8834 config_cmd->config_table[i].msb_mac_addr =
8835 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
8836 config_cmd->config_table[i].middle_mac_addr =
8837 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
8838 config_cmd->config_table[i].lsb_mac_addr =
8839 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
8840
8841 config_cmd->config_table[i].vlan_id = 0;
8842 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
8843 config_cmd->config_table[i].clients_bit_vector =
8844 cpu_to_le32(1 << BP_L_ID(bp));
8845
8846 SET_FLAG(config_cmd->config_table[i].flags,
8847 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8848 T_ETH_MAC_COMMAND_SET);
8849
8850 DP(NETIF_MSG_IFUP,
8851 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
8852 config_cmd->config_table[i].msb_mac_addr,
8853 config_cmd->config_table[i].middle_mac_addr,
8854 config_cmd->config_table[i].lsb_mac_addr);
8855
8856 i++;
8857
8858 /* Set uc MAC in NIG */
8859 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
8860 LLH_CAM_ETH_LINE + i);
8861 }
8862 old = config_cmd->hdr.length;
8863 if (old > i) {
8864 for (; i < old; i++) {
8865 if (CAM_IS_INVALID(config_cmd->
8866 config_table[i])) {
8867 /* already invalidated */
8868 break;
8869 }
8870 /* invalidate */
8871 SET_FLAG(config_cmd->config_table[i].flags,
8872 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8873 T_ETH_MAC_COMMAND_INVALIDATE);
8874 }
8875 }
8876
8877 wmb();
8878
8879 config_cmd->hdr.length = i;
8880 config_cmd->hdr.offset = offset;
8881 config_cmd->hdr.client_id = 0xff;
8882 /* Mark that this ramrod doesn't use bp->set_mac_pending for
8883 * synchronization.
8884 */
8885 config_cmd->hdr.echo = 0;
8886
8887 mb();
8888
8889 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8890 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8891
8892}
8893
8894void bnx2x_invalidate_uc_list(struct bnx2x *bp)
8895{
8896 int i;
8897 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8898 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8899 int ramrod_flags = WAIT_RAMROD_COMMON;
8900 u8 offset = bnx2x_uc_list_cam_offset(bp);
8901 u8 max_list_size = bnx2x_max_uc_list(bp);
8902
8903 for (i = 0; i < max_list_size; i++) {
8904 SET_FLAG(config_cmd->config_table[i].flags,
8905 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8906 T_ETH_MAC_COMMAND_INVALIDATE);
8907 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
8908 }
8909
8910 wmb();
8911
8912 config_cmd->hdr.length = max_list_size;
8913 config_cmd->hdr.offset = offset;
8914 config_cmd->hdr.client_id = 0xff;
8915 /* We'll wait for a completion this time... */
8916 config_cmd->hdr.echo = 1;
8917
8918 bp->set_mac_pending = 1;
8919
8920 mb();
8921
8922 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8923 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8924
8925 /* Wait for a completion */
8926 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
8927 ramrod_flags);
8928
8929}
8930
8931static inline int bnx2x_set_mc_list(struct bnx2x *bp)
8932{
8933 /* some multicasts */
8934 if (CHIP_IS_E1(bp)) {
8935 return bnx2x_set_e1_mc_list(bp);
8936 } else { /* E1H and newer */
8937 return bnx2x_set_e1h_mc_list(bp);
8938 }
8939}
8940
Eilon Greensteinf5372252009-02-12 08:38:30 +00008941/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008942void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008943{
8944 struct bnx2x *bp = netdev_priv(dev);
8945 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008946
8947 if (bp->state != BNX2X_STATE_OPEN) {
8948 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8949 return;
8950 }
8951
8952 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8953
8954 if (dev->flags & IFF_PROMISC)
8955 rx_mode = BNX2X_RX_MODE_PROMISC;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008956 else if (dev->flags & IFF_ALLMULTI)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008957 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008958 else {
8959 /* some multicasts */
8960 if (bnx2x_set_mc_list(bp))
8961 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008962
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008963 /* some unicasts */
8964 if (bnx2x_set_uc_list(bp))
8965 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008966 }
8967
8968 bp->rx_mode = rx_mode;
8969 bnx2x_set_storm_rx_mode(bp);
8970}
8971
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008972/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008973static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8974 int devad, u16 addr)
8975{
8976 struct bnx2x *bp = netdev_priv(netdev);
8977 u16 value;
8978 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008979
8980 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
8981 prtad, devad, addr);
8982
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008983 /* The HW expects different devad if CL22 is used */
8984 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8985
8986 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008987 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008988 bnx2x_release_phy_lock(bp);
8989 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
8990
8991 if (!rc)
8992 rc = value;
8993 return rc;
8994}
8995
8996/* called with rtnl_lock */
8997static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
8998 u16 addr, u16 value)
8999{
9000 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009001 int rc;
9002
9003 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9004 " value 0x%x\n", prtad, devad, addr, value);
9005
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009006 /* The HW expects different devad if CL22 is used */
9007 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9008
9009 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009010 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009011 bnx2x_release_phy_lock(bp);
9012 return rc;
9013}
9014
9015/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009016static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9017{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009018 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009019 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009020
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009021 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9022 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009023
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009024 if (!netif_running(dev))
9025 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009026
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009027 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009028}
9029
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009030#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009031static void poll_bnx2x(struct net_device *dev)
9032{
9033 struct bnx2x *bp = netdev_priv(dev);
9034
9035 disable_irq(bp->pdev->irq);
9036 bnx2x_interrupt(bp->pdev->irq, dev);
9037 enable_irq(bp->pdev->irq);
9038}
9039#endif
9040
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009041static const struct net_device_ops bnx2x_netdev_ops = {
9042 .ndo_open = bnx2x_open,
9043 .ndo_stop = bnx2x_close,
9044 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009045 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009046 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009047 .ndo_set_mac_address = bnx2x_change_mac_addr,
9048 .ndo_validate_addr = eth_validate_addr,
9049 .ndo_do_ioctl = bnx2x_ioctl,
9050 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +00009051 .ndo_fix_features = bnx2x_fix_features,
9052 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009053 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009054#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009055 .ndo_poll_controller = poll_bnx2x,
9056#endif
9057};
9058
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009059static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9060 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009061{
9062 struct bnx2x *bp;
9063 int rc;
9064
9065 SET_NETDEV_DEV(dev, &pdev->dev);
9066 bp = netdev_priv(dev);
9067
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009068 bp->dev = dev;
9069 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009070 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009071 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009072
9073 rc = pci_enable_device(pdev);
9074 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009075 dev_err(&bp->pdev->dev,
9076 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009077 goto err_out;
9078 }
9079
9080 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009081 dev_err(&bp->pdev->dev,
9082 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009083 rc = -ENODEV;
9084 goto err_out_disable;
9085 }
9086
9087 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009088 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9089 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009090 rc = -ENODEV;
9091 goto err_out_disable;
9092 }
9093
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009094 if (atomic_read(&pdev->enable_cnt) == 1) {
9095 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9096 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009097 dev_err(&bp->pdev->dev,
9098 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009099 goto err_out_disable;
9100 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009101
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009102 pci_set_master(pdev);
9103 pci_save_state(pdev);
9104 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009105
9106 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9107 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009108 dev_err(&bp->pdev->dev,
9109 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009110 rc = -EIO;
9111 goto err_out_release;
9112 }
9113
9114 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9115 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009116 dev_err(&bp->pdev->dev,
9117 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009118 rc = -EIO;
9119 goto err_out_release;
9120 }
9121
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009122 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009123 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009124 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009125 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9126 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009127 rc = -EIO;
9128 goto err_out_release;
9129 }
9130
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009131 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009132 dev_err(&bp->pdev->dev,
9133 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009134 rc = -EIO;
9135 goto err_out_release;
9136 }
9137
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009138 dev->mem_start = pci_resource_start(pdev, 0);
9139 dev->base_addr = dev->mem_start;
9140 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009141
9142 dev->irq = pdev->irq;
9143
Arjan van de Ven275f1652008-10-20 21:42:39 -07009144 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009145 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009146 dev_err(&bp->pdev->dev,
9147 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009148 rc = -ENOMEM;
9149 goto err_out_release;
9150 }
9151
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009152 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009153 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009154 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009155 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009156 dev_err(&bp->pdev->dev,
9157 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009158 rc = -ENOMEM;
9159 goto err_out_unmap;
9160 }
9161
9162 bnx2x_set_power_state(bp, PCI_D0);
9163
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009164 /* clean indirect addresses */
9165 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9166 PCICFG_VENDOR_ID_OFFSET);
9167 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9168 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9169 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9170 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009171
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009172 /* Reset the load counter */
9173 bnx2x_clear_load_cnt(bp);
9174
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009175 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009176
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009177 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009178 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +00009179
9180 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9181 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
9182 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX;
9183
9184 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9185 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
9186
9187 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009188 if (bp->flags & USING_DAC_FLAG)
9189 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009190
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +00009191 /* Add Loopback capability to the device */
9192 dev->hw_features |= NETIF_F_LOOPBACK;
9193
Shmulik Ravid98507672011-02-28 12:19:55 -08009194#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009195 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9196#endif
9197
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009198 /* get_port_hwinfo() will set prtad and mmds properly */
9199 bp->mdio.prtad = MDIO_PRTAD_NONE;
9200 bp->mdio.mmds = 0;
9201 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9202 bp->mdio.dev = dev;
9203 bp->mdio.mdio_read = bnx2x_mdio_read;
9204 bp->mdio.mdio_write = bnx2x_mdio_write;
9205
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009206 return 0;
9207
9208err_out_unmap:
9209 if (bp->regview) {
9210 iounmap(bp->regview);
9211 bp->regview = NULL;
9212 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009213 if (bp->doorbells) {
9214 iounmap(bp->doorbells);
9215 bp->doorbells = NULL;
9216 }
9217
9218err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009219 if (atomic_read(&pdev->enable_cnt) == 1)
9220 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009221
9222err_out_disable:
9223 pci_disable_device(pdev);
9224 pci_set_drvdata(pdev, NULL);
9225
9226err_out:
9227 return rc;
9228}
9229
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009230static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9231 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009232{
9233 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9234
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009235 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9236
9237 /* return value of 1=2.5GHz 2=5GHz */
9238 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009239}
9240
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009241static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009242{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009243 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009244 struct bnx2x_fw_file_hdr *fw_hdr;
9245 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009246 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009247 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009248 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009249 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009250
9251 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9252 return -EINVAL;
9253
9254 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9255 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9256
9257 /* Make sure none of the offsets and sizes make us read beyond
9258 * the end of the firmware data */
9259 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9260 offset = be32_to_cpu(sections[i].offset);
9261 len = be32_to_cpu(sections[i].len);
9262 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009263 dev_err(&bp->pdev->dev,
9264 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009265 return -EINVAL;
9266 }
9267 }
9268
9269 /* Likewise for the init_ops offsets */
9270 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9271 ops_offsets = (u16 *)(firmware->data + offset);
9272 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9273
9274 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9275 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009276 dev_err(&bp->pdev->dev,
9277 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009278 return -EINVAL;
9279 }
9280 }
9281
9282 /* Check FW version */
9283 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9284 fw_ver = firmware->data + offset;
9285 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9286 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9287 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9288 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009289 dev_err(&bp->pdev->dev,
9290 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009291 fw_ver[0], fw_ver[1], fw_ver[2],
9292 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9293 BCM_5710_FW_MINOR_VERSION,
9294 BCM_5710_FW_REVISION_VERSION,
9295 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009296 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009297 }
9298
9299 return 0;
9300}
9301
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009302static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009303{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009304 const __be32 *source = (const __be32 *)_source;
9305 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009306 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009307
9308 for (i = 0; i < n/4; i++)
9309 target[i] = be32_to_cpu(source[i]);
9310}
9311
9312/*
9313 Ops array is stored in the following format:
9314 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9315 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009316static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009317{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009318 const __be32 *source = (const __be32 *)_source;
9319 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009320 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009321
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009322 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009323 tmp = be32_to_cpu(source[j]);
9324 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009325 target[i].offset = tmp & 0xffffff;
9326 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009327 }
9328}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009329
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009330/**
9331 * IRO array is stored in the following format:
9332 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9333 */
9334static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9335{
9336 const __be32 *source = (const __be32 *)_source;
9337 struct iro *target = (struct iro *)_target;
9338 u32 i, j, tmp;
9339
9340 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9341 target[i].base = be32_to_cpu(source[j]);
9342 j++;
9343 tmp = be32_to_cpu(source[j]);
9344 target[i].m1 = (tmp >> 16) & 0xffff;
9345 target[i].m2 = tmp & 0xffff;
9346 j++;
9347 tmp = be32_to_cpu(source[j]);
9348 target[i].m3 = (tmp >> 16) & 0xffff;
9349 target[i].size = tmp & 0xffff;
9350 j++;
9351 }
9352}
9353
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009354static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009355{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009356 const __be16 *source = (const __be16 *)_source;
9357 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009358 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009359
9360 for (i = 0; i < n/2; i++)
9361 target[i] = be16_to_cpu(source[i]);
9362}
9363
Joe Perches7995c642010-02-17 15:01:52 +00009364#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9365do { \
9366 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9367 bp->arr = kmalloc(len, GFP_KERNEL); \
9368 if (!bp->arr) { \
9369 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9370 goto lbl; \
9371 } \
9372 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9373 (u8 *)bp->arr, len); \
9374} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009375
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009376int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009377{
Ben Hutchings45229b42009-11-07 11:53:39 +00009378 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009379 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009380 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009381
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009382 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009383 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009384 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009385 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009386 else if (CHIP_IS_E2(bp))
9387 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009388 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009389 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009390 return -EINVAL;
9391 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009392
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009393 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009394
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009395 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009396 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009397 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009398 goto request_firmware_exit;
9399 }
9400
9401 rc = bnx2x_check_firmware(bp);
9402 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009403 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009404 goto request_firmware_exit;
9405 }
9406
9407 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9408
9409 /* Initialize the pointers to the init arrays */
9410 /* Blob */
9411 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9412
9413 /* Opcodes */
9414 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9415
9416 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009417 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9418 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009419
9420 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009421 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9422 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9423 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9424 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9425 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9426 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9427 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9428 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9429 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9430 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9431 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9432 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9433 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9434 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9435 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9436 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009437 /* IRO */
9438 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009439
9440 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009441
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009442iro_alloc_err:
9443 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009444init_offsets_alloc_err:
9445 kfree(bp->init_ops);
9446init_ops_alloc_err:
9447 kfree(bp->init_data);
9448request_firmware_exit:
9449 release_firmware(bp->firmware);
9450
9451 return rc;
9452}
9453
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009454static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9455{
9456 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009457
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009458#ifdef BCM_CNIC
9459 cid_count += CNIC_CID_MAX;
9460#endif
9461 return roundup(cid_count, QM_CID_ROUND);
9462}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009463
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009464static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9465 const struct pci_device_id *ent)
9466{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009467 struct net_device *dev = NULL;
9468 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009469 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009470 int rc, cid_count;
9471
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009472 switch (ent->driver_data) {
9473 case BCM57710:
9474 case BCM57711:
9475 case BCM57711E:
9476 cid_count = FP_SB_MAX_E1x;
9477 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009478
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009479 case BCM57712:
9480 case BCM57712E:
9481 cid_count = FP_SB_MAX_E2;
9482 break;
9483
9484 default:
9485 pr_err("Unknown board_type (%ld), aborting\n",
9486 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009487 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009488 }
9489
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009490 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009491
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009492 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009493 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009494 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009495 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009496 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009497 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009498
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009499 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009500 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009501
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009502 pci_set_drvdata(pdev, dev);
9503
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009504 bp->l2_cid_count = cid_count;
9505
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009506 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009507 if (rc < 0) {
9508 free_netdev(dev);
9509 return rc;
9510 }
9511
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009512 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009513 if (rc)
9514 goto init_one_exit;
9515
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009516 /* calc qm_cid_count */
9517 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9518
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009519#ifdef BCM_CNIC
9520 /* disable FCOE L2 queue for E1x*/
9521 if (CHIP_IS_E1x(bp))
9522 bp->flags |= NO_FCOE_FLAG;
9523
9524#endif
9525
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009526 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009527 * needed, set bp->num_queues appropriately.
9528 */
9529 bnx2x_set_int_mode(bp);
9530
9531 /* Add all NAPI objects */
9532 bnx2x_add_all_napi(bp);
9533
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009534 rc = register_netdev(dev);
9535 if (rc) {
9536 dev_err(&pdev->dev, "Cannot register net device\n");
9537 goto init_one_exit;
9538 }
9539
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009540#ifdef BCM_CNIC
9541 if (!NO_FCOE(bp)) {
9542 /* Add storage MAC address */
9543 rtnl_lock();
9544 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9545 rtnl_unlock();
9546 }
9547#endif
9548
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009549 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009550
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009551 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9552 " IRQ %d, ", board_info[ent->driver_data].name,
9553 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009554 pcie_width,
9555 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9556 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9557 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009558 dev->base_addr, bp->pdev->irq);
9559 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009560
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009561 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009562
9563init_one_exit:
9564 if (bp->regview)
9565 iounmap(bp->regview);
9566
9567 if (bp->doorbells)
9568 iounmap(bp->doorbells);
9569
9570 free_netdev(dev);
9571
9572 if (atomic_read(&pdev->enable_cnt) == 1)
9573 pci_release_regions(pdev);
9574
9575 pci_disable_device(pdev);
9576 pci_set_drvdata(pdev, NULL);
9577
9578 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009579}
9580
9581static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9582{
9583 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009584 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009585
Eliezer Tamir228241e2008-02-28 11:56:57 -08009586 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009587 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009588 return;
9589 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009590 bp = netdev_priv(dev);
9591
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009592#ifdef BCM_CNIC
9593 /* Delete storage MAC address */
9594 if (!NO_FCOE(bp)) {
9595 rtnl_lock();
9596 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9597 rtnl_unlock();
9598 }
9599#endif
9600
Shmulik Ravid98507672011-02-28 12:19:55 -08009601#ifdef BCM_DCBNL
9602 /* Delete app tlvs from dcbnl */
9603 bnx2x_dcbnl_update_applist(bp, true);
9604#endif
9605
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009606 unregister_netdev(dev);
9607
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009608 /* Delete all NAPI objects */
9609 bnx2x_del_all_napi(bp);
9610
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009611 /* Power on: we can't let PCI layer write to us while we are in D3 */
9612 bnx2x_set_power_state(bp, PCI_D0);
9613
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009614 /* Disable MSI/MSI-X */
9615 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009616
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009617 /* Power off */
9618 bnx2x_set_power_state(bp, PCI_D3hot);
9619
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009620 /* Make sure RESET task is not scheduled before continuing */
9621 cancel_delayed_work_sync(&bp->reset_task);
9622
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009623 if (bp->regview)
9624 iounmap(bp->regview);
9625
9626 if (bp->doorbells)
9627 iounmap(bp->doorbells);
9628
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009629 bnx2x_free_mem_bp(bp);
9630
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009631 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009632
9633 if (atomic_read(&pdev->enable_cnt) == 1)
9634 pci_release_regions(pdev);
9635
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009636 pci_disable_device(pdev);
9637 pci_set_drvdata(pdev, NULL);
9638}
9639
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009640static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9641{
9642 int i;
9643
9644 bp->state = BNX2X_STATE_ERROR;
9645
9646 bp->rx_mode = BNX2X_RX_MODE_NONE;
9647
9648 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009649 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009650
9651 del_timer_sync(&bp->timer);
9652 bp->stats_state = STATS_STATE_DISABLED;
9653 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9654
9655 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009656 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009657
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009658 /* Free SKBs, SGEs, TPA pool and driver internals */
9659 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009660
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009661 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009662 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009663
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009664 bnx2x_free_mem(bp);
9665
9666 bp->state = BNX2X_STATE_CLOSED;
9667
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009668 return 0;
9669}
9670
9671static void bnx2x_eeh_recover(struct bnx2x *bp)
9672{
9673 u32 val;
9674
9675 mutex_init(&bp->port.phy_mutex);
9676
9677 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9678 bp->link_params.shmem_base = bp->common.shmem_base;
9679 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9680
9681 if (!bp->common.shmem_base ||
9682 (bp->common.shmem_base < 0xA0000) ||
9683 (bp->common.shmem_base >= 0xC0000)) {
9684 BNX2X_DEV_INFO("MCP not active\n");
9685 bp->flags |= NO_MCP_FLAG;
9686 return;
9687 }
9688
9689 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9690 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9691 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9692 BNX2X_ERR("BAD MCP validity signature\n");
9693
9694 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009695 bp->fw_seq =
9696 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9697 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009698 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9699 }
9700}
9701
Wendy Xiong493adb12008-06-23 20:36:22 -07009702/**
9703 * bnx2x_io_error_detected - called when PCI error is detected
9704 * @pdev: Pointer to PCI device
9705 * @state: The current pci connection state
9706 *
9707 * This function is called after a PCI bus error affecting
9708 * this device has been detected.
9709 */
9710static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9711 pci_channel_state_t state)
9712{
9713 struct net_device *dev = pci_get_drvdata(pdev);
9714 struct bnx2x *bp = netdev_priv(dev);
9715
9716 rtnl_lock();
9717
9718 netif_device_detach(dev);
9719
Dean Nelson07ce50e2009-07-31 09:13:25 +00009720 if (state == pci_channel_io_perm_failure) {
9721 rtnl_unlock();
9722 return PCI_ERS_RESULT_DISCONNECT;
9723 }
9724
Wendy Xiong493adb12008-06-23 20:36:22 -07009725 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009726 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009727
9728 pci_disable_device(pdev);
9729
9730 rtnl_unlock();
9731
9732 /* Request a slot reset */
9733 return PCI_ERS_RESULT_NEED_RESET;
9734}
9735
9736/**
9737 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9738 * @pdev: Pointer to PCI device
9739 *
9740 * Restart the card from scratch, as if from a cold-boot.
9741 */
9742static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9743{
9744 struct net_device *dev = pci_get_drvdata(pdev);
9745 struct bnx2x *bp = netdev_priv(dev);
9746
9747 rtnl_lock();
9748
9749 if (pci_enable_device(pdev)) {
9750 dev_err(&pdev->dev,
9751 "Cannot re-enable PCI device after reset\n");
9752 rtnl_unlock();
9753 return PCI_ERS_RESULT_DISCONNECT;
9754 }
9755
9756 pci_set_master(pdev);
9757 pci_restore_state(pdev);
9758
9759 if (netif_running(dev))
9760 bnx2x_set_power_state(bp, PCI_D0);
9761
9762 rtnl_unlock();
9763
9764 return PCI_ERS_RESULT_RECOVERED;
9765}
9766
9767/**
9768 * bnx2x_io_resume - called when traffic can start flowing again
9769 * @pdev: Pointer to PCI device
9770 *
9771 * This callback is called when the error recovery driver tells us that
9772 * its OK to resume normal operation.
9773 */
9774static void bnx2x_io_resume(struct pci_dev *pdev)
9775{
9776 struct net_device *dev = pci_get_drvdata(pdev);
9777 struct bnx2x *bp = netdev_priv(dev);
9778
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009779 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009780 printk(KERN_ERR "Handling parity error recovery. "
9781 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009782 return;
9783 }
9784
Wendy Xiong493adb12008-06-23 20:36:22 -07009785 rtnl_lock();
9786
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009787 bnx2x_eeh_recover(bp);
9788
Wendy Xiong493adb12008-06-23 20:36:22 -07009789 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009790 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009791
9792 netif_device_attach(dev);
9793
9794 rtnl_unlock();
9795}
9796
9797static struct pci_error_handlers bnx2x_err_handler = {
9798 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009799 .slot_reset = bnx2x_io_slot_reset,
9800 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009801};
9802
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009803static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009804 .name = DRV_MODULE_NAME,
9805 .id_table = bnx2x_pci_tbl,
9806 .probe = bnx2x_init_one,
9807 .remove = __devexit_p(bnx2x_remove_one),
9808 .suspend = bnx2x_suspend,
9809 .resume = bnx2x_resume,
9810 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009811};
9812
9813static int __init bnx2x_init(void)
9814{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009815 int ret;
9816
Joe Perches7995c642010-02-17 15:01:52 +00009817 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009818
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009819 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9820 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009821 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009822 return -ENOMEM;
9823 }
9824
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009825 ret = pci_register_driver(&bnx2x_pci_driver);
9826 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009827 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009828 destroy_workqueue(bnx2x_wq);
9829 }
9830 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009831}
9832
9833static void __exit bnx2x_cleanup(void)
9834{
9835 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009836
9837 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009838}
9839
9840module_init(bnx2x_init);
9841module_exit(bnx2x_cleanup);
9842
Michael Chan993ac7b2009-10-10 13:46:56 +00009843#ifdef BCM_CNIC
9844
9845/* count denotes the number of new completions we have seen */
9846static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9847{
9848 struct eth_spe *spe;
9849
9850#ifdef BNX2X_STOP_ON_ERROR
9851 if (unlikely(bp->panic))
9852 return;
9853#endif
9854
9855 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009856 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009857 bp->cnic_spq_pending -= count;
9858
Michael Chan993ac7b2009-10-10 13:46:56 +00009859
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009860 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9861 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9862 & SPE_HDR_CONN_TYPE) >>
9863 SPE_HDR_CONN_TYPE_SHIFT;
9864
9865 /* Set validation for iSCSI L2 client before sending SETUP
9866 * ramrod
9867 */
9868 if (type == ETH_CONNECTION_TYPE) {
9869 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9870 hdr.conn_and_cmd_data) >>
9871 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9872
9873 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9874 bnx2x_set_ctx_validation(&bp->context.
9875 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9876 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9877 }
9878
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009879 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
9880 * We also check that the number of outstanding
9881 * COMMON ramrods is not more than the EQ and SPQ can
9882 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009883 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009884 if (type == ETH_CONNECTION_TYPE) {
9885 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009886 break;
9887 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009888 atomic_dec(&bp->cq_spq_left);
9889 } else if (type == NONE_CONNECTION_TYPE) {
9890 if (!atomic_read(&bp->eq_spq_left))
9891 break;
9892 else
9893 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009894 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9895 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009896 if (bp->cnic_spq_pending >=
9897 bp->cnic_eth_dev.max_kwqe_pending)
9898 break;
9899 else
9900 bp->cnic_spq_pending++;
9901 } else {
9902 BNX2X_ERR("Unknown SPE type: %d\n", type);
9903 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009904 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009905 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009906
9907 spe = bnx2x_sp_get_next(bp);
9908 *spe = *bp->cnic_kwq_cons;
9909
Michael Chan993ac7b2009-10-10 13:46:56 +00009910 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9911 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9912
9913 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9914 bp->cnic_kwq_cons = bp->cnic_kwq;
9915 else
9916 bp->cnic_kwq_cons++;
9917 }
9918 bnx2x_sp_prod_update(bp);
9919 spin_unlock_bh(&bp->spq_lock);
9920}
9921
9922static int bnx2x_cnic_sp_queue(struct net_device *dev,
9923 struct kwqe_16 *kwqes[], u32 count)
9924{
9925 struct bnx2x *bp = netdev_priv(dev);
9926 int i;
9927
9928#ifdef BNX2X_STOP_ON_ERROR
9929 if (unlikely(bp->panic))
9930 return -EIO;
9931#endif
9932
9933 spin_lock_bh(&bp->spq_lock);
9934
9935 for (i = 0; i < count; i++) {
9936 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9937
9938 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9939 break;
9940
9941 *bp->cnic_kwq_prod = *spe;
9942
9943 bp->cnic_kwq_pending++;
9944
9945 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9946 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009947 spe->data.update_data_addr.hi,
9948 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +00009949 bp->cnic_kwq_pending);
9950
9951 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9952 bp->cnic_kwq_prod = bp->cnic_kwq;
9953 else
9954 bp->cnic_kwq_prod++;
9955 }
9956
9957 spin_unlock_bh(&bp->spq_lock);
9958
9959 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9960 bnx2x_cnic_sp_post(bp, 0);
9961
9962 return i;
9963}
9964
9965static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9966{
9967 struct cnic_ops *c_ops;
9968 int rc = 0;
9969
9970 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +00009971 c_ops = rcu_dereference_protected(bp->cnic_ops,
9972 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +00009973 if (c_ops)
9974 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9975 mutex_unlock(&bp->cnic_mutex);
9976
9977 return rc;
9978}
9979
9980static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9981{
9982 struct cnic_ops *c_ops;
9983 int rc = 0;
9984
9985 rcu_read_lock();
9986 c_ops = rcu_dereference(bp->cnic_ops);
9987 if (c_ops)
9988 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9989 rcu_read_unlock();
9990
9991 return rc;
9992}
9993
9994/*
9995 * for commands that have no data
9996 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009997int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +00009998{
9999 struct cnic_ctl_info ctl = {0};
10000
10001 ctl.cmd = cmd;
10002
10003 return bnx2x_cnic_ctl_send(bp, &ctl);
10004}
10005
10006static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10007{
10008 struct cnic_ctl_info ctl;
10009
10010 /* first we tell CNIC and only then we count this as a completion */
10011 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10012 ctl.data.comp.cid = cid;
10013
10014 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010015 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010016}
10017
10018static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10019{
10020 struct bnx2x *bp = netdev_priv(dev);
10021 int rc = 0;
10022
10023 switch (ctl->cmd) {
10024 case DRV_CTL_CTXTBL_WR_CMD: {
10025 u32 index = ctl->data.io.offset;
10026 dma_addr_t addr = ctl->data.io.dma_addr;
10027
10028 bnx2x_ilt_wr(bp, index, addr);
10029 break;
10030 }
10031
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010032 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10033 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010034
10035 bnx2x_cnic_sp_post(bp, count);
10036 break;
10037 }
10038
10039 /* rtnl_lock is held. */
10040 case DRV_CTL_START_L2_CMD: {
10041 u32 cli = ctl->data.ring.client_id;
10042
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010043 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10044 bnx2x_del_fcoe_eth_macs(bp);
10045
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010046 /* Set iSCSI MAC address */
10047 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10048
10049 mmiowb();
10050 barrier();
10051
10052 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10053 * because it's the only way for UIO Client to accept
10054 * multicasts (in non-promiscuous mode only one Client per
10055 * function will receive multicast packets (leading in our
10056 * case).
10057 */
10058 bnx2x_rxq_set_mac_filters(bp, cli,
10059 BNX2X_ACCEPT_UNICAST |
10060 BNX2X_ACCEPT_BROADCAST |
10061 BNX2X_ACCEPT_ALL_MULTICAST);
10062 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10063
Michael Chan993ac7b2009-10-10 13:46:56 +000010064 break;
10065 }
10066
10067 /* rtnl_lock is held. */
10068 case DRV_CTL_STOP_L2_CMD: {
10069 u32 cli = ctl->data.ring.client_id;
10070
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010071 /* Stop accepting on iSCSI L2 ring */
10072 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10073 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10074
10075 mmiowb();
10076 barrier();
10077
10078 /* Unset iSCSI L2 MAC */
10079 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010080 break;
10081 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010082 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10083 int count = ctl->data.credit.credit_count;
10084
10085 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010086 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010087 smp_mb__after_atomic_inc();
10088 break;
10089 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010090
Dmitry Kravkovfab0dc82011-03-31 17:04:22 -070010091 case DRV_CTL_ISCSI_STOPPED_CMD: {
10092 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
10093 break;
10094 }
10095
Michael Chan993ac7b2009-10-10 13:46:56 +000010096 default:
10097 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10098 rc = -EINVAL;
10099 }
10100
10101 return rc;
10102}
10103
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010104void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010105{
10106 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10107
10108 if (bp->flags & USING_MSIX_FLAG) {
10109 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10110 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10111 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10112 } else {
10113 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10114 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10115 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010116 if (CHIP_IS_E2(bp))
10117 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10118 else
10119 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10120
Michael Chan993ac7b2009-10-10 13:46:56 +000010121 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010122 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010123 cp->irq_arr[1].status_blk = bp->def_status_blk;
10124 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010125 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010126
10127 cp->num_irq = 2;
10128}
10129
10130static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10131 void *data)
10132{
10133 struct bnx2x *bp = netdev_priv(dev);
10134 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10135
10136 if (ops == NULL)
10137 return -EINVAL;
10138
Michael Chan993ac7b2009-10-10 13:46:56 +000010139 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10140 if (!bp->cnic_kwq)
10141 return -ENOMEM;
10142
10143 bp->cnic_kwq_cons = bp->cnic_kwq;
10144 bp->cnic_kwq_prod = bp->cnic_kwq;
10145 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10146
10147 bp->cnic_spq_pending = 0;
10148 bp->cnic_kwq_pending = 0;
10149
10150 bp->cnic_data = data;
10151
10152 cp->num_irq = 0;
10153 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010154 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010155
Michael Chan993ac7b2009-10-10 13:46:56 +000010156 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010157
Michael Chan993ac7b2009-10-10 13:46:56 +000010158 rcu_assign_pointer(bp->cnic_ops, ops);
10159
10160 return 0;
10161}
10162
10163static int bnx2x_unregister_cnic(struct net_device *dev)
10164{
10165 struct bnx2x *bp = netdev_priv(dev);
10166 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10167
10168 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010169 cp->drv_state = 0;
10170 rcu_assign_pointer(bp->cnic_ops, NULL);
10171 mutex_unlock(&bp->cnic_mutex);
10172 synchronize_rcu();
10173 kfree(bp->cnic_kwq);
10174 bp->cnic_kwq = NULL;
10175
10176 return 0;
10177}
10178
10179struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10180{
10181 struct bnx2x *bp = netdev_priv(dev);
10182 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10183
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010184 /* If both iSCSI and FCoE are disabled - return NULL in
10185 * order to indicate CNIC that it should not try to work
10186 * with this device.
10187 */
10188 if (NO_ISCSI(bp) && NO_FCOE(bp))
10189 return NULL;
10190
Michael Chan993ac7b2009-10-10 13:46:56 +000010191 cp->drv_owner = THIS_MODULE;
10192 cp->chip_id = CHIP_ID(bp);
10193 cp->pdev = bp->pdev;
10194 cp->io_base = bp->regview;
10195 cp->io_base2 = bp->doorbells;
10196 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010197 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010198 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10199 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010200 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010201 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010202 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10203 cp->drv_ctl = bnx2x_drv_ctl;
10204 cp->drv_register_cnic = bnx2x_register_cnic;
10205 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010206 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10207 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10208 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010209 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010210
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010211 if (NO_ISCSI_OOO(bp))
10212 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10213
10214 if (NO_ISCSI(bp))
10215 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10216
10217 if (NO_FCOE(bp))
10218 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10219
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010220 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10221 "starting cid %d\n",
10222 cp->ctx_blk_size,
10223 cp->ctx_tbl_offset,
10224 cp->ctx_tbl_len,
10225 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010226 return cp;
10227}
10228EXPORT_SYMBOL(bnx2x_cnic_probe);
10229
10230#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010231