blob: 489a5512a04d037c153b2dd02d04749128a24500 [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Vladislav Zolotarov3359fce2010-02-17 13:35:01 -08003 * Copyright (c) 2007-2010 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
Eilon Greensteinca003922009-08-12 22:53:28 -070013 * Slowpath and fastpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020026#include <linux/interrupt.h>
27#include <linux/pci.h>
28#include <linux/init.h>
29#include <linux/netdevice.h>
30#include <linux/etherdevice.h>
31#include <linux/skbuff.h>
32#include <linux/dma-mapping.h>
33#include <linux/bitops.h>
34#include <linux/irq.h>
35#include <linux/delay.h>
36#include <asm/byteorder.h>
37#include <linux/time.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080040#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020041#include <net/ip.h>
42#include <net/tcp.h>
43#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070044#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <linux/workqueue.h>
46#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/prefetch.h>
49#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020050#include <linux/io.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000051#include <linux/stringify.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020052
Dmitry Kravkovb0efbb92010-07-27 12:33:43 +000053#define BNX2X_MAIN
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020054#include "bnx2x.h"
55#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070056#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000057#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000058#include "bnx2x_dcb.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020059
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include <linux/firmware.h>
61#include "bnx2x_fw_file_hdr.h"
62/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000063#define FW_FILE_VERSION \
64 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
65 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
66 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
67 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000068#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
69#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000070#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070071
Eilon Greenstein34f80b02008-06-23 20:33:01 -070072/* Time in jiffies before concluding the transmitter is hung */
73#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020074
Andrew Morton53a10562008-02-09 23:16:41 -080075static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070076 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020077 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
78
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070079MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000080MODULE_DESCRIPTION("Broadcom NetXtreme II "
81 "BCM57710/57711/57711E/57712/57712E Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082MODULE_LICENSE("GPL");
83MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000084MODULE_FIRMWARE(FW_FILE_NAME_E1);
85MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000086MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020087
Eilon Greenstein555f6c72009-02-12 08:36:11 +000088static int multi_mode = 1;
89module_param(multi_mode, int, 0);
Eilon Greensteinca003922009-08-12 22:53:28 -070090MODULE_PARM_DESC(multi_mode, " Multi queue mode "
91 "(0 Disable; 1 Enable (default))");
92
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000093int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000094module_param(num_queues, int, 0);
95MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
96 " (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +000097
Eilon Greenstein19680c42008-08-13 15:47:33 -070098static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -070099module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000100MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000101
102static int int_mode;
103module_param(int_mode, int, 0);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000104MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
105 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
Eilon Greensteina18f5122009-08-12 08:23:26 +0000107static int dropless_fc;
108module_param(dropless_fc, int, 0);
109MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
110
Eilon Greenstein9898f862009-02-12 08:38:27 +0000111static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200112module_param(poll, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000113MODULE_PARM_DESC(poll, " Use polling (for debug)");
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000114
115static int mrrs = -1;
116module_param(mrrs, int, 0);
117MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
118
Eilon Greenstein9898f862009-02-12 08:38:27 +0000119static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200120module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000121MODULE_PARM_DESC(debug, " Default debug msglevel");
122
Eilon Greenstein1cf167f2009-01-14 21:22:18 -0800123static struct workqueue_struct *bnx2x_wq;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200124
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000125#ifdef BCM_CNIC
126static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
127#endif
128
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200129enum bnx2x_board_type {
130 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700131 BCM57711 = 1,
132 BCM57711E = 2,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000133 BCM57712 = 3,
134 BCM57712E = 4
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200135};
136
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700137/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800138static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200139 char *name;
140} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700141 { "Broadcom NetXtreme II BCM57710 XGb" },
142 { "Broadcom NetXtreme II BCM57711 XGb" },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000143 { "Broadcom NetXtreme II BCM57711E XGb" },
144 { "Broadcom NetXtreme II BCM57712 XGb" },
145 { "Broadcom NetXtreme II BCM57712E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200146};
147
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000148#ifndef PCI_DEVICE_ID_NX2_57712
149#define PCI_DEVICE_ID_NX2_57712 0x1662
150#endif
151#ifndef PCI_DEVICE_ID_NX2_57712E
152#define PCI_DEVICE_ID_NX2_57712E 0x1663
153#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700154
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000155static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000156 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
157 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
158 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000159 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
160 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200161 { 0 }
162};
163
164MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
165
166/****************************************************************************
167* General service functions
168****************************************************************************/
169
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000170static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
171 u32 addr, dma_addr_t mapping)
172{
173 REG_WR(bp, addr, U64_LO(mapping));
174 REG_WR(bp, addr + 4, U64_HI(mapping));
175}
176
177static inline void __storm_memset_fill(struct bnx2x *bp,
178 u32 addr, size_t size, u32 val)
179{
180 int i;
181 for (i = 0; i < size/4; i++)
182 REG_WR(bp, addr + (i * 4), val);
183}
184
185static inline void storm_memset_ustats_zero(struct bnx2x *bp,
186 u8 port, u16 stat_id)
187{
188 size_t size = sizeof(struct ustorm_per_client_stats);
189
190 u32 addr = BAR_USTRORM_INTMEM +
191 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
192
193 __storm_memset_fill(bp, addr, size, 0);
194}
195
196static inline void storm_memset_tstats_zero(struct bnx2x *bp,
197 u8 port, u16 stat_id)
198{
199 size_t size = sizeof(struct tstorm_per_client_stats);
200
201 u32 addr = BAR_TSTRORM_INTMEM +
202 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
203
204 __storm_memset_fill(bp, addr, size, 0);
205}
206
207static inline void storm_memset_xstats_zero(struct bnx2x *bp,
208 u8 port, u16 stat_id)
209{
210 size_t size = sizeof(struct xstorm_per_client_stats);
211
212 u32 addr = BAR_XSTRORM_INTMEM +
213 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
214
215 __storm_memset_fill(bp, addr, size, 0);
216}
217
218
219static inline void storm_memset_spq_addr(struct bnx2x *bp,
220 dma_addr_t mapping, u16 abs_fid)
221{
222 u32 addr = XSEM_REG_FAST_MEMORY +
223 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
224
225 __storm_memset_dma_mapping(bp, addr, mapping);
226}
227
228static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
229{
230 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
231}
232
233static inline void storm_memset_func_cfg(struct bnx2x *bp,
234 struct tstorm_eth_function_common_config *tcfg,
235 u16 abs_fid)
236{
237 size_t size = sizeof(struct tstorm_eth_function_common_config);
238
239 u32 addr = BAR_TSTRORM_INTMEM +
240 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
241
242 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
243}
244
245static inline void storm_memset_xstats_flags(struct bnx2x *bp,
246 struct stats_indication_flags *flags,
247 u16 abs_fid)
248{
249 size_t size = sizeof(struct stats_indication_flags);
250
251 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
252
253 __storm_memset_struct(bp, addr, size, (u32 *)flags);
254}
255
256static inline void storm_memset_tstats_flags(struct bnx2x *bp,
257 struct stats_indication_flags *flags,
258 u16 abs_fid)
259{
260 size_t size = sizeof(struct stats_indication_flags);
261
262 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
263
264 __storm_memset_struct(bp, addr, size, (u32 *)flags);
265}
266
267static inline void storm_memset_ustats_flags(struct bnx2x *bp,
268 struct stats_indication_flags *flags,
269 u16 abs_fid)
270{
271 size_t size = sizeof(struct stats_indication_flags);
272
273 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
274
275 __storm_memset_struct(bp, addr, size, (u32 *)flags);
276}
277
278static inline void storm_memset_cstats_flags(struct bnx2x *bp,
279 struct stats_indication_flags *flags,
280 u16 abs_fid)
281{
282 size_t size = sizeof(struct stats_indication_flags);
283
284 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
285
286 __storm_memset_struct(bp, addr, size, (u32 *)flags);
287}
288
289static inline void storm_memset_xstats_addr(struct bnx2x *bp,
290 dma_addr_t mapping, u16 abs_fid)
291{
292 u32 addr = BAR_XSTRORM_INTMEM +
293 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
294
295 __storm_memset_dma_mapping(bp, addr, mapping);
296}
297
298static inline void storm_memset_tstats_addr(struct bnx2x *bp,
299 dma_addr_t mapping, u16 abs_fid)
300{
301 u32 addr = BAR_TSTRORM_INTMEM +
302 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
303
304 __storm_memset_dma_mapping(bp, addr, mapping);
305}
306
307static inline void storm_memset_ustats_addr(struct bnx2x *bp,
308 dma_addr_t mapping, u16 abs_fid)
309{
310 u32 addr = BAR_USTRORM_INTMEM +
311 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
312
313 __storm_memset_dma_mapping(bp, addr, mapping);
314}
315
316static inline void storm_memset_cstats_addr(struct bnx2x *bp,
317 dma_addr_t mapping, u16 abs_fid)
318{
319 u32 addr = BAR_CSTRORM_INTMEM +
320 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
321
322 __storm_memset_dma_mapping(bp, addr, mapping);
323}
324
325static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
326 u16 pf_id)
327{
328 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
329 pf_id);
330 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
331 pf_id);
332 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
333 pf_id);
334 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
335 pf_id);
336}
337
338static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
339 u8 enable)
340{
341 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
342 enable);
343 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
344 enable);
345 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
346 enable);
347 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
348 enable);
349}
350
351static inline void storm_memset_eq_data(struct bnx2x *bp,
352 struct event_ring_data *eq_data,
353 u16 pfid)
354{
355 size_t size = sizeof(struct event_ring_data);
356
357 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
358
359 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
360}
361
362static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
363 u16 pfid)
364{
365 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
366 REG_WR16(bp, addr, eq_prod);
367}
368
369static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
370 u16 fw_sb_id, u8 sb_index,
371 u8 ticks)
372{
373
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000374 int index_offset = CHIP_IS_E2(bp) ?
375 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000376 offsetof(struct hc_status_block_data_e1x, index_data);
377 u32 addr = BAR_CSTRORM_INTMEM +
378 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
379 index_offset +
380 sizeof(struct hc_index_data)*sb_index +
381 offsetof(struct hc_index_data, timeout);
382 REG_WR8(bp, addr, ticks);
383 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
384 port, fw_sb_id, sb_index, ticks);
385}
386static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
387 u16 fw_sb_id, u8 sb_index,
388 u8 disable)
389{
390 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000391 int index_offset = CHIP_IS_E2(bp) ?
392 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000393 offsetof(struct hc_status_block_data_e1x, index_data);
394 u32 addr = BAR_CSTRORM_INTMEM +
395 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
396 index_offset +
397 sizeof(struct hc_index_data)*sb_index +
398 offsetof(struct hc_index_data, flags);
399 u16 flags = REG_RD16(bp, addr);
400 /* clear and set */
401 flags &= ~HC_INDEX_DATA_HC_ENABLED;
402 flags |= enable_flag;
403 REG_WR16(bp, addr, flags);
404 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
405 port, fw_sb_id, sb_index, disable);
406}
407
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200408/* used only at init
409 * locking is done by mcp
410 */
stephen hemminger8d962862010-10-21 07:50:56 +0000411static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200412{
413 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
414 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
415 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
416 PCICFG_VENDOR_ID_OFFSET);
417}
418
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200419static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
420{
421 u32 val;
422
423 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
424 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
425 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
426 PCICFG_VENDOR_ID_OFFSET);
427
428 return val;
429}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200430
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000431#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
432#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
433#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
434#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
435#define DMAE_DP_DST_NONE "dst_addr [none]"
436
stephen hemminger8d962862010-10-21 07:50:56 +0000437static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
438 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000439{
440 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
441
442 switch (dmae->opcode & DMAE_COMMAND_DST) {
443 case DMAE_CMD_DST_PCI:
444 if (src_type == DMAE_CMD_SRC_PCI)
445 DP(msglvl, "DMAE: opcode 0x%08x\n"
446 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
447 "comp_addr [%x:%08x], comp_val 0x%08x\n",
448 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
449 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
450 dmae->comp_addr_hi, dmae->comp_addr_lo,
451 dmae->comp_val);
452 else
453 DP(msglvl, "DMAE: opcode 0x%08x\n"
454 "src [%08x], len [%d*4], dst [%x:%08x]\n"
455 "comp_addr [%x:%08x], comp_val 0x%08x\n",
456 dmae->opcode, dmae->src_addr_lo >> 2,
457 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
458 dmae->comp_addr_hi, dmae->comp_addr_lo,
459 dmae->comp_val);
460 break;
461 case DMAE_CMD_DST_GRC:
462 if (src_type == DMAE_CMD_SRC_PCI)
463 DP(msglvl, "DMAE: opcode 0x%08x\n"
464 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
465 "comp_addr [%x:%08x], comp_val 0x%08x\n",
466 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
467 dmae->len, dmae->dst_addr_lo >> 2,
468 dmae->comp_addr_hi, dmae->comp_addr_lo,
469 dmae->comp_val);
470 else
471 DP(msglvl, "DMAE: opcode 0x%08x\n"
472 "src [%08x], len [%d*4], dst [%08x]\n"
473 "comp_addr [%x:%08x], comp_val 0x%08x\n",
474 dmae->opcode, dmae->src_addr_lo >> 2,
475 dmae->len, dmae->dst_addr_lo >> 2,
476 dmae->comp_addr_hi, dmae->comp_addr_lo,
477 dmae->comp_val);
478 break;
479 default:
480 if (src_type == DMAE_CMD_SRC_PCI)
481 DP(msglvl, "DMAE: opcode 0x%08x\n"
482 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
483 "dst_addr [none]\n"
484 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
485 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
486 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
487 dmae->comp_val);
488 else
489 DP(msglvl, "DMAE: opcode 0x%08x\n"
490 DP_LEVEL "src_addr [%08x] len [%d * 4] "
491 "dst_addr [none]\n"
492 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
493 dmae->opcode, dmae->src_addr_lo >> 2,
494 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
495 dmae->comp_val);
496 break;
497 }
498
499}
500
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000501const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200502 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
503 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
504 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
505 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
506};
507
508/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000509void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200510{
511 u32 cmd_offset;
512 int i;
513
514 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
515 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
516 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
517
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700518 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
519 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200520 }
521 REG_WR(bp, dmae_reg_go_c[idx], 1);
522}
523
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000524u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
525{
526 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
527 DMAE_CMD_C_ENABLE);
528}
529
530u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
531{
532 return opcode & ~DMAE_CMD_SRC_RESET;
533}
534
535u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
536 bool with_comp, u8 comp_type)
537{
538 u32 opcode = 0;
539
540 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
541 (dst_type << DMAE_COMMAND_DST_SHIFT));
542
543 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
544
545 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
546 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
547 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
548 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
549
550#ifdef __BIG_ENDIAN
551 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
552#else
553 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
554#endif
555 if (with_comp)
556 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
557 return opcode;
558}
559
stephen hemminger8d962862010-10-21 07:50:56 +0000560static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
561 struct dmae_command *dmae,
562 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000563{
564 memset(dmae, 0, sizeof(struct dmae_command));
565
566 /* set the opcode */
567 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
568 true, DMAE_COMP_PCI);
569
570 /* fill in the completion parameters */
571 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
572 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
573 dmae->comp_val = DMAE_COMP_VAL;
574}
575
576/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000577static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
578 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000579{
580 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
581 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40;
582 int rc = 0;
583
584 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
585 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
586 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
587
588 /* lock the dmae channel */
589 mutex_lock(&bp->dmae_mutex);
590
591 /* reset completion */
592 *wb_comp = 0;
593
594 /* post the command on the channel used for initializations */
595 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
596
597 /* wait for completion */
598 udelay(5);
599 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
600 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
601
602 if (!cnt) {
603 BNX2X_ERR("DMAE timeout!\n");
604 rc = DMAE_TIMEOUT;
605 goto unlock;
606 }
607 cnt--;
608 udelay(50);
609 }
610 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
611 BNX2X_ERR("DMAE PCI error!\n");
612 rc = DMAE_PCI_ERROR;
613 }
614
615 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
616 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
617 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
618
619unlock:
620 mutex_unlock(&bp->dmae_mutex);
621 return rc;
622}
623
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700624void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
625 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200626{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000627 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700628
629 if (!bp->dmae_ready) {
630 u32 *data = bnx2x_sp(bp, wb_data[0]);
631
632 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
633 " using indirect\n", dst_addr, len32);
634 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
635 return;
636 }
637
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000638 /* set opcode and fixed command fields */
639 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000641 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000642 dmae.src_addr_lo = U64_LO(dma_addr);
643 dmae.src_addr_hi = U64_HI(dma_addr);
644 dmae.dst_addr_lo = dst_addr >> 2;
645 dmae.dst_addr_hi = 0;
646 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200647
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000648 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200649
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000650 /* issue the command and wait for completion */
651 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200652}
653
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700654void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200655{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000656 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700657
658 if (!bp->dmae_ready) {
659 u32 *data = bnx2x_sp(bp, wb_data[0]);
660 int i;
661
662 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
663 " using indirect\n", src_addr, len32);
664 for (i = 0; i < len32; i++)
665 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
666 return;
667 }
668
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000669 /* set opcode and fixed command fields */
670 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000672 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000673 dmae.src_addr_lo = src_addr >> 2;
674 dmae.src_addr_hi = 0;
675 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
676 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
677 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200678
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000679 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200680
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000681 /* issue the command and wait for completion */
682 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200683}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200684
stephen hemminger8d962862010-10-21 07:50:56 +0000685static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
686 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000687{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000688 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000689 int offset = 0;
690
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000691 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000692 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000693 addr + offset, dmae_wr_max);
694 offset += dmae_wr_max * 4;
695 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000696 }
697
698 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
699}
700
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700701/* used only for slowpath so not inlined */
702static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
703{
704 u32 wb_write[2];
705
706 wb_write[0] = val_hi;
707 wb_write[1] = val_lo;
708 REG_WR_DMAE(bp, reg, wb_write, 2);
709}
710
711#ifdef USE_WB_RD
712static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
713{
714 u32 wb_data[2];
715
716 REG_RD_DMAE(bp, reg, wb_data, 2);
717
718 return HILO_U64(wb_data[0], wb_data[1]);
719}
720#endif
721
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200722static int bnx2x_mc_assert(struct bnx2x *bp)
723{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200724 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700725 int i, rc = 0;
726 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700728 /* XSTORM */
729 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
730 XSTORM_ASSERT_LIST_INDEX_OFFSET);
731 if (last_idx)
732 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200733
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700734 /* print the asserts */
735 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200736
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700737 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
738 XSTORM_ASSERT_LIST_OFFSET(i));
739 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
740 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
741 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
742 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
743 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
744 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200745
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700746 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
747 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
748 " 0x%08x 0x%08x 0x%08x\n",
749 i, row3, row2, row1, row0);
750 rc++;
751 } else {
752 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200753 }
754 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700755
756 /* TSTORM */
757 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
758 TSTORM_ASSERT_LIST_INDEX_OFFSET);
759 if (last_idx)
760 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
761
762 /* print the asserts */
763 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
764
765 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
766 TSTORM_ASSERT_LIST_OFFSET(i));
767 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
768 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
769 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
770 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
771 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
772 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
773
774 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
775 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
776 " 0x%08x 0x%08x 0x%08x\n",
777 i, row3, row2, row1, row0);
778 rc++;
779 } else {
780 break;
781 }
782 }
783
784 /* CSTORM */
785 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
786 CSTORM_ASSERT_LIST_INDEX_OFFSET);
787 if (last_idx)
788 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
789
790 /* print the asserts */
791 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
792
793 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
794 CSTORM_ASSERT_LIST_OFFSET(i));
795 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
796 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
797 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
798 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
799 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
800 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
801
802 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
803 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
804 " 0x%08x 0x%08x 0x%08x\n",
805 i, row3, row2, row1, row0);
806 rc++;
807 } else {
808 break;
809 }
810 }
811
812 /* USTORM */
813 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
814 USTORM_ASSERT_LIST_INDEX_OFFSET);
815 if (last_idx)
816 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
817
818 /* print the asserts */
819 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
820
821 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
822 USTORM_ASSERT_LIST_OFFSET(i));
823 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
824 USTORM_ASSERT_LIST_OFFSET(i) + 4);
825 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
826 USTORM_ASSERT_LIST_OFFSET(i) + 8);
827 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
828 USTORM_ASSERT_LIST_OFFSET(i) + 12);
829
830 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
831 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
832 " 0x%08x 0x%08x 0x%08x\n",
833 i, row3, row2, row1, row0);
834 rc++;
835 } else {
836 break;
837 }
838 }
839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200840 return rc;
841}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800842
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200843static void bnx2x_fw_dump(struct bnx2x *bp)
844{
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000845 u32 addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200846 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000847 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200848 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000849 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000850 if (BP_NOMCP(bp)) {
851 BNX2X_ERR("NO MCP - can not dump\n");
852 return;
853 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000854
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000855 if (BP_PATH(bp) == 0)
856 trace_shmem_base = bp->common.shmem_base;
857 else
858 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
859 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000860 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000861 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
862 + ((mark + 0x3) & ~0x3) - 0x08000000;
Joe Perches7995c642010-02-17 15:01:52 +0000863 pr_err("begin fw dump (mark 0x%x)\n", mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864
Joe Perches7995c642010-02-17 15:01:52 +0000865 pr_err("");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000866 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200867 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000868 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200869 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000870 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200871 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000872 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200873 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000874 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200875 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000876 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200877 }
Joe Perches7995c642010-02-17 15:01:52 +0000878 pr_err("end of fw dump\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200879}
880
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000881void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200882{
883 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000884 u16 j;
885 struct hc_sp_status_block_data sp_sb_data;
886 int func = BP_FUNC(bp);
887#ifdef BNX2X_STOP_ON_ERROR
888 u16 start = 0, end = 0;
889#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200890
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700891 bp->stats_state = STATS_STATE_DISABLED;
892 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
893
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200894 BNX2X_ERR("begin crash dump -----------------\n");
895
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000896 /* Indices */
897 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000898 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000899 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000900 bp->def_idx, bp->def_att_idx,
901 bp->attn_state, bp->spq_prod_idx);
902 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
903 bp->def_status_blk->atten_status_block.attn_bits,
904 bp->def_status_blk->atten_status_block.attn_bits_ack,
905 bp->def_status_blk->atten_status_block.status_block_id,
906 bp->def_status_blk->atten_status_block.attn_bits_index);
907 BNX2X_ERR(" def (");
908 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
909 pr_cont("0x%x%s",
910 bp->def_status_blk->sp_sb.index_values[i],
911 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000912
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000913 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
914 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
915 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
916 i*sizeof(u32));
917
918 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
919 "pf_id(0x%x) vnic_id(0x%x) "
920 "vf_id(0x%x) vf_valid (0x%x)\n",
921 sp_sb_data.igu_sb_id,
922 sp_sb_data.igu_seg_id,
923 sp_sb_data.p_func.pf_id,
924 sp_sb_data.p_func.vnic_id,
925 sp_sb_data.p_func.vf_id,
926 sp_sb_data.p_func.vf_valid);
927
928
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000929 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000930 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000931 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000932 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000933 struct hc_status_block_data_e1x sb_data_e1x;
934 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000935 CHIP_IS_E2(bp) ?
936 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000937 sb_data_e1x.common.state_machine;
938 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000939 CHIP_IS_E2(bp) ?
940 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000941 sb_data_e1x.index_data;
942 int data_size;
943 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000944
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000945 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000946 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000947 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000948 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000949 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000950 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000951 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000952 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000953 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000954 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000955 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000956
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000957 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000958 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
959 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
960 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200961 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700962 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000963
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000964 loop = CHIP_IS_E2(bp) ?
965 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000966
967 /* host sb data */
968
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000969#ifdef BCM_CNIC
970 if (IS_FCOE_FP(fp))
971 continue;
972#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000973 BNX2X_ERR(" run indexes (");
974 for (j = 0; j < HC_SB_MAX_SM; j++)
975 pr_cont("0x%x%s",
976 fp->sb_running_index[j],
977 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
978
979 BNX2X_ERR(" indexes (");
980 for (j = 0; j < loop; j++)
981 pr_cont("0x%x%s",
982 fp->sb_index_values[j],
983 (j == loop - 1) ? ")" : " ");
984 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000985 data_size = CHIP_IS_E2(bp) ?
986 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000987 sizeof(struct hc_status_block_data_e1x);
988 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000989 sb_data_p = CHIP_IS_E2(bp) ?
990 (u32 *)&sb_data_e2 :
991 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000992 /* copy sb data in here */
993 for (j = 0; j < data_size; j++)
994 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
995 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
996 j * sizeof(u32));
997
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000998 if (CHIP_IS_E2(bp)) {
999 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1000 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1001 sb_data_e2.common.p_func.pf_id,
1002 sb_data_e2.common.p_func.vf_id,
1003 sb_data_e2.common.p_func.vf_valid,
1004 sb_data_e2.common.p_func.vnic_id,
1005 sb_data_e2.common.same_igu_sb_1b);
1006 } else {
1007 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1008 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1009 sb_data_e1x.common.p_func.pf_id,
1010 sb_data_e1x.common.p_func.vf_id,
1011 sb_data_e1x.common.p_func.vf_valid,
1012 sb_data_e1x.common.p_func.vnic_id,
1013 sb_data_e1x.common.same_igu_sb_1b);
1014 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001015
1016 /* SB_SMs data */
1017 for (j = 0; j < HC_SB_MAX_SM; j++) {
1018 pr_cont("SM[%d] __flags (0x%x) "
1019 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1020 "time_to_expire (0x%x) "
1021 "timer_value(0x%x)\n", j,
1022 hc_sm_p[j].__flags,
1023 hc_sm_p[j].igu_sb_id,
1024 hc_sm_p[j].igu_seg_id,
1025 hc_sm_p[j].time_to_expire,
1026 hc_sm_p[j].timer_value);
1027 }
1028
1029 /* Indecies data */
1030 for (j = 0; j < loop; j++) {
1031 pr_cont("INDEX[%d] flags (0x%x) "
1032 "timeout (0x%x)\n", j,
1033 hc_index_p[j].flags,
1034 hc_index_p[j].timeout);
1035 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001036 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001037
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001038#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001039 /* Rings */
1040 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001041 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001042 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001043
1044 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1045 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001046 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001047 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1048 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1049
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001050 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1051 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001052 }
1053
Eilon Greenstein3196a882008-08-13 15:58:49 -07001054 start = RX_SGE(fp->rx_sge_prod);
1055 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001056 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001057 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1058 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1059
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001060 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1061 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001062 }
1063
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001064 start = RCQ_BD(fp->rx_comp_cons - 10);
1065 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001066 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001067 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1068
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001069 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1070 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001071 }
1072 }
1073
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001074 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001075 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001076 struct bnx2x_fastpath *fp = &bp->fp[i];
1077
1078 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1079 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1080 for (j = start; j != end; j = TX_BD(j + 1)) {
1081 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1082
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001083 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1084 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001085 }
1086
1087 start = TX_BD(fp->tx_bd_cons - 10);
1088 end = TX_BD(fp->tx_bd_cons + 254);
1089 for (j = start; j != end; j = TX_BD(j + 1)) {
1090 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1091
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001092 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1093 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001094 }
1095 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001096#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001097 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001098 bnx2x_mc_assert(bp);
1099 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001100}
1101
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001102static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001103{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001104 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001105 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1106 u32 val = REG_RD(bp, addr);
1107 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001108 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001109
1110 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001111 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1112 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001113 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1114 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001115 } else if (msi) {
1116 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1117 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1118 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1119 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001120 } else {
1121 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001122 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001123 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1124 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001125
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001126 if (!CHIP_IS_E1(bp)) {
1127 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1128 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001129
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001130 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001131
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001132 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1133 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001134 }
1135
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001136 if (CHIP_IS_E1(bp))
1137 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1138
Eilon Greenstein8badd272009-02-12 08:36:15 +00001139 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1140 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001141
1142 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001143 /*
1144 * Ensure that HC_CONFIG is written before leading/trailing edge config
1145 */
1146 mmiowb();
1147 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001148
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001149 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001150 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001151 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001152 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001153 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001154 /* enable nig and gpio3 attention */
1155 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001156 } else
1157 val = 0xffff;
1158
1159 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1160 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1161 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001162
1163 /* Make sure that interrupts are indeed enabled from here on */
1164 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001165}
1166
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001167static void bnx2x_igu_int_enable(struct bnx2x *bp)
1168{
1169 u32 val;
1170 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1171 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1172
1173 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1174
1175 if (msix) {
1176 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1177 IGU_PF_CONF_SINGLE_ISR_EN);
1178 val |= (IGU_PF_CONF_FUNC_EN |
1179 IGU_PF_CONF_MSI_MSIX_EN |
1180 IGU_PF_CONF_ATTN_BIT_EN);
1181 } else if (msi) {
1182 val &= ~IGU_PF_CONF_INT_LINE_EN;
1183 val |= (IGU_PF_CONF_FUNC_EN |
1184 IGU_PF_CONF_MSI_MSIX_EN |
1185 IGU_PF_CONF_ATTN_BIT_EN |
1186 IGU_PF_CONF_SINGLE_ISR_EN);
1187 } else {
1188 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1189 val |= (IGU_PF_CONF_FUNC_EN |
1190 IGU_PF_CONF_INT_LINE_EN |
1191 IGU_PF_CONF_ATTN_BIT_EN |
1192 IGU_PF_CONF_SINGLE_ISR_EN);
1193 }
1194
1195 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1196 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1197
1198 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1199
1200 barrier();
1201
1202 /* init leading/trailing edge */
1203 if (IS_MF(bp)) {
1204 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1205 if (bp->port.pmf)
1206 /* enable nig and gpio3 attention */
1207 val |= 0x1100;
1208 } else
1209 val = 0xffff;
1210
1211 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1212 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1213
1214 /* Make sure that interrupts are indeed enabled from here on */
1215 mmiowb();
1216}
1217
1218void bnx2x_int_enable(struct bnx2x *bp)
1219{
1220 if (bp->common.int_block == INT_BLOCK_HC)
1221 bnx2x_hc_int_enable(bp);
1222 else
1223 bnx2x_igu_int_enable(bp);
1224}
1225
1226static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001227{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001228 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001229 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1230 u32 val = REG_RD(bp, addr);
1231
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001232 /*
1233 * in E1 we must use only PCI configuration space to disable
1234 * MSI/MSIX capablility
1235 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1236 */
1237 if (CHIP_IS_E1(bp)) {
1238 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1239 * Use mask register to prevent from HC sending interrupts
1240 * after we exit the function
1241 */
1242 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1243
1244 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1245 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1246 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1247 } else
1248 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1249 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1250 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1251 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001252
1253 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1254 val, port, addr);
1255
Eilon Greenstein8badd272009-02-12 08:36:15 +00001256 /* flush all outstanding writes */
1257 mmiowb();
1258
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001259 REG_WR(bp, addr, val);
1260 if (REG_RD(bp, addr) != val)
1261 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1262}
1263
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001264static void bnx2x_igu_int_disable(struct bnx2x *bp)
1265{
1266 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1267
1268 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1269 IGU_PF_CONF_INT_LINE_EN |
1270 IGU_PF_CONF_ATTN_BIT_EN);
1271
1272 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1273
1274 /* flush all outstanding writes */
1275 mmiowb();
1276
1277 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1278 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1279 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1280}
1281
stephen hemminger8d962862010-10-21 07:50:56 +00001282static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001283{
1284 if (bp->common.int_block == INT_BLOCK_HC)
1285 bnx2x_hc_int_disable(bp);
1286 else
1287 bnx2x_igu_int_disable(bp);
1288}
1289
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001290void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001291{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001292 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001293 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001294
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001295 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001296 atomic_inc(&bp->intr_sem);
Eilon Greensteine1510702009-07-21 05:47:41 +00001297 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1298
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001299 if (disable_hw)
1300 /* prevent the HW from sending interrupts */
1301 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001302
1303 /* make sure all ISRs are done */
1304 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001305 synchronize_irq(bp->msix_table[0].vector);
1306 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001307#ifdef BCM_CNIC
1308 offset++;
1309#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001310 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001311 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001312 } else
1313 synchronize_irq(bp->pdev->irq);
1314
1315 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001316 cancel_delayed_work(&bp->sp_task);
1317 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001318}
1319
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001320/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001321
1322/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001323 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001324 */
1325
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001326/* Return true if succeeded to acquire the lock */
1327static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1328{
1329 u32 lock_status;
1330 u32 resource_bit = (1 << resource);
1331 int func = BP_FUNC(bp);
1332 u32 hw_lock_control_reg;
1333
1334 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1335
1336 /* Validating that the resource is within range */
1337 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1338 DP(NETIF_MSG_HW,
1339 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1340 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001341 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001342 }
1343
1344 if (func <= 5)
1345 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1346 else
1347 hw_lock_control_reg =
1348 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1349
1350 /* Try to acquire the lock */
1351 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1352 lock_status = REG_RD(bp, hw_lock_control_reg);
1353 if (lock_status & resource_bit)
1354 return true;
1355
1356 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1357 return false;
1358}
1359
Michael Chan993ac7b2009-10-10 13:46:56 +00001360#ifdef BCM_CNIC
1361static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1362#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001363
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001364void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001365 union eth_rx_cqe *rr_cqe)
1366{
1367 struct bnx2x *bp = fp->bp;
1368 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1369 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001371 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001372 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001373 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001374 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001376 switch (command | fp->state) {
1377 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1378 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1379 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001380 break;
1381
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001382 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1383 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001384 fp->state = BNX2X_FP_STATE_HALTED;
1385 break;
1386
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001387 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1388 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1389 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001390 break;
1391
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001392 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001393 BNX2X_ERR("unexpected MC reply (%d) "
1394 "fp[%d] state is %x\n",
1395 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001396 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001397 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001398
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001399 smp_mb__before_atomic_inc();
1400 atomic_inc(&bp->spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001401 /* push the change in fp->state and towards the memory */
1402 smp_wmb();
1403
1404 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001405}
1406
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001407irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001408{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001409 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001410 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001411 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001412 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001414 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 if (unlikely(status == 0)) {
1416 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1417 return IRQ_NONE;
1418 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001419 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001420
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001421 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001422 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1423 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1424 return IRQ_HANDLED;
1425 }
1426
Eilon Greenstein3196a882008-08-13 15:58:49 -07001427#ifdef BNX2X_STOP_ON_ERROR
1428 if (unlikely(bp->panic))
1429 return IRQ_HANDLED;
1430#endif
1431
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001432 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001433 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001434
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001435 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001436 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001437 /* Handle Rx and Tx according to SB id */
1438 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001439 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001440 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001441 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001442 status &= ~mask;
1443 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001444 }
1445
Michael Chan993ac7b2009-10-10 13:46:56 +00001446#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001447 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001448 if (status & (mask | 0x1)) {
1449 struct cnic_ops *c_ops = NULL;
1450
1451 rcu_read_lock();
1452 c_ops = rcu_dereference(bp->cnic_ops);
1453 if (c_ops)
1454 c_ops->cnic_handler(bp->cnic_data, NULL);
1455 rcu_read_unlock();
1456
1457 status &= ~mask;
1458 }
1459#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001460
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001461 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001462 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001463
1464 status &= ~0x1;
1465 if (!status)
1466 return IRQ_HANDLED;
1467 }
1468
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001469 if (unlikely(status))
1470 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001471 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001472
1473 return IRQ_HANDLED;
1474}
1475
1476/* end of fast path */
1477
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001478
1479/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001480
1481/*
1482 * General service functions
1483 */
1484
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001485int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001486{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001487 u32 lock_status;
1488 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001489 int func = BP_FUNC(bp);
1490 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001491 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001492
1493 /* Validating that the resource is within range */
1494 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1495 DP(NETIF_MSG_HW,
1496 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1497 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1498 return -EINVAL;
1499 }
1500
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001501 if (func <= 5) {
1502 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1503 } else {
1504 hw_lock_control_reg =
1505 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1506 }
1507
Eliezer Tamirf1410642008-02-28 11:51:50 -08001508 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001509 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001510 if (lock_status & resource_bit) {
1511 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1512 lock_status, resource_bit);
1513 return -EEXIST;
1514 }
1515
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001516 /* Try for 5 second every 5ms */
1517 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001518 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001519 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1520 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001521 if (lock_status & resource_bit)
1522 return 0;
1523
1524 msleep(5);
1525 }
1526 DP(NETIF_MSG_HW, "Timeout\n");
1527 return -EAGAIN;
1528}
1529
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001530int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001531{
1532 u32 lock_status;
1533 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001534 int func = BP_FUNC(bp);
1535 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001536
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001537 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1538
Eliezer Tamirf1410642008-02-28 11:51:50 -08001539 /* Validating that the resource is within range */
1540 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1541 DP(NETIF_MSG_HW,
1542 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1543 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1544 return -EINVAL;
1545 }
1546
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001547 if (func <= 5) {
1548 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1549 } else {
1550 hw_lock_control_reg =
1551 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1552 }
1553
Eliezer Tamirf1410642008-02-28 11:51:50 -08001554 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001555 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001556 if (!(lock_status & resource_bit)) {
1557 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1558 lock_status, resource_bit);
1559 return -EFAULT;
1560 }
1561
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001562 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001563 return 0;
1564}
1565
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001566
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001567int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1568{
1569 /* The GPIO should be swapped if swap register is set and active */
1570 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1571 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1572 int gpio_shift = gpio_num +
1573 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1574 u32 gpio_mask = (1 << gpio_shift);
1575 u32 gpio_reg;
1576 int value;
1577
1578 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1579 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1580 return -EINVAL;
1581 }
1582
1583 /* read GPIO value */
1584 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1585
1586 /* get the requested pin value */
1587 if ((gpio_reg & gpio_mask) == gpio_mask)
1588 value = 1;
1589 else
1590 value = 0;
1591
1592 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1593
1594 return value;
1595}
1596
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001597int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001598{
1599 /* The GPIO should be swapped if swap register is set and active */
1600 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001601 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001602 int gpio_shift = gpio_num +
1603 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1604 u32 gpio_mask = (1 << gpio_shift);
1605 u32 gpio_reg;
1606
1607 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1608 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1609 return -EINVAL;
1610 }
1611
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001612 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001613 /* read GPIO and mask except the float bits */
1614 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1615
1616 switch (mode) {
1617 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1618 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1619 gpio_num, gpio_shift);
1620 /* clear FLOAT and set CLR */
1621 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1622 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1623 break;
1624
1625 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1626 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1627 gpio_num, gpio_shift);
1628 /* clear FLOAT and set SET */
1629 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1630 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1631 break;
1632
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001633 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001634 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1635 gpio_num, gpio_shift);
1636 /* set FLOAT */
1637 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1638 break;
1639
1640 default:
1641 break;
1642 }
1643
1644 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001645 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001646
1647 return 0;
1648}
1649
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001650int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1651{
1652 /* The GPIO should be swapped if swap register is set and active */
1653 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1654 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1655 int gpio_shift = gpio_num +
1656 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1657 u32 gpio_mask = (1 << gpio_shift);
1658 u32 gpio_reg;
1659
1660 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1661 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1662 return -EINVAL;
1663 }
1664
1665 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1666 /* read GPIO int */
1667 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1668
1669 switch (mode) {
1670 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1671 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1672 "output low\n", gpio_num, gpio_shift);
1673 /* clear SET and set CLR */
1674 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1675 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1676 break;
1677
1678 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1679 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1680 "output high\n", gpio_num, gpio_shift);
1681 /* clear CLR and set SET */
1682 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1683 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1684 break;
1685
1686 default:
1687 break;
1688 }
1689
1690 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1691 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1692
1693 return 0;
1694}
1695
Eliezer Tamirf1410642008-02-28 11:51:50 -08001696static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1697{
1698 u32 spio_mask = (1 << spio_num);
1699 u32 spio_reg;
1700
1701 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1702 (spio_num > MISC_REGISTERS_SPIO_7)) {
1703 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1704 return -EINVAL;
1705 }
1706
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001707 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001708 /* read SPIO and mask except the float bits */
1709 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1710
1711 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001712 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001713 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1714 /* clear FLOAT and set CLR */
1715 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1716 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1717 break;
1718
Eilon Greenstein6378c022008-08-13 15:59:25 -07001719 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001720 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1721 /* clear FLOAT and set SET */
1722 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1723 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1724 break;
1725
1726 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1727 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1728 /* set FLOAT */
1729 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1730 break;
1731
1732 default:
1733 break;
1734 }
1735
1736 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001737 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001738
1739 return 0;
1740}
1741
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001742int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
1743{
1744 u32 sel_phy_idx = 0;
1745 if (bp->link_vars.link_up) {
1746 sel_phy_idx = EXT_PHY1;
1747 /* In case link is SERDES, check if the EXT_PHY2 is the one */
1748 if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
1749 (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
1750 sel_phy_idx = EXT_PHY2;
1751 } else {
1752
1753 switch (bnx2x_phy_selection(&bp->link_params)) {
1754 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
1755 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
1756 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
1757 sel_phy_idx = EXT_PHY1;
1758 break;
1759 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
1760 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
1761 sel_phy_idx = EXT_PHY2;
1762 break;
1763 }
1764 }
1765 /*
1766 * The selected actived PHY is always after swapping (in case PHY
1767 * swapping is enabled). So when swapping is enabled, we need to reverse
1768 * the configuration
1769 */
1770
1771 if (bp->link_params.multi_phy_config &
1772 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
1773 if (sel_phy_idx == EXT_PHY1)
1774 sel_phy_idx = EXT_PHY2;
1775 else if (sel_phy_idx == EXT_PHY2)
1776 sel_phy_idx = EXT_PHY1;
1777 }
1778 return LINK_CONFIG_IDX(sel_phy_idx);
1779}
1780
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001781void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001782{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001783 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001784 switch (bp->link_vars.ieee_fc &
1785 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001786 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001787 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001788 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001789 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001790
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001791 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001792 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001793 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001794 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001795
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001796 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001797 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001798 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001799
Eliezer Tamirf1410642008-02-28 11:51:50 -08001800 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001801 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001802 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001803 break;
1804 }
1805}
1806
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001807u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001808{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001809 if (!BP_NOMCP(bp)) {
1810 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001811 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1812 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001813 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001814 /* It is recommended to turn off RX FC for jumbo frames
1815 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001816 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001817 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001818 else
David S. Millerc0700f92008-12-16 23:53:20 -08001819 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001820
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001821 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001822
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001823 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001824 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001825 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1826 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001827
Eilon Greenstein19680c42008-08-13 15:47:33 -07001828 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001829
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001830 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001831
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001832 bnx2x_calc_fc_adv(bp);
1833
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001834 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1835 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001836 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001837 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001838 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001839 return rc;
1840 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001841 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001842 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001843}
1844
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001845void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001846{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001847 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001848 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001849 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001850 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001851 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001852
Eilon Greenstein19680c42008-08-13 15:47:33 -07001853 bnx2x_calc_fc_adv(bp);
1854 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001855 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001856}
1857
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001858static void bnx2x__link_reset(struct bnx2x *bp)
1859{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001860 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001861 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001862 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001863 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001864 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001865 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001866}
1867
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001868u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001869{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001870 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001871
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001872 if (!BP_NOMCP(bp)) {
1873 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001874 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1875 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001876 bnx2x_release_phy_lock(bp);
1877 } else
1878 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001879
1880 return rc;
1881}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001882
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001883static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001884{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001885 u32 r_param = bp->link_vars.line_speed / 8;
1886 u32 fair_periodic_timeout_usec;
1887 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001888
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001889 memset(&(bp->cmng.rs_vars), 0,
1890 sizeof(struct rate_shaping_vars_per_port));
1891 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001892
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001893 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1894 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001895
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001896 /* this is the threshold below which no timer arming will occur
1897 1.25 coefficient is for the threshold to be a little bigger
1898 than the real time, to compensate for timer in-accuracy */
1899 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001900 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1901
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001902 /* resolution of fairness timer */
1903 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1904 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1905 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001906
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001907 /* this is the threshold below which we won't arm the timer anymore */
1908 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001909
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001910 /* we multiply by 1e3/8 to get bytes/msec.
1911 We don't want the credits to pass a credit
1912 of the t_fair*FAIR_MEM (algorithm resolution) */
1913 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1914 /* since each tick is 4 usec */
1915 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001916}
1917
Eilon Greenstein2691d512009-08-12 08:22:08 +00001918/* Calculates the sum of vn_min_rates.
1919 It's needed for further normalizing of the min_rates.
1920 Returns:
1921 sum of vn_min_rates.
1922 or
1923 0 - if all the min_rates are 0.
1924 In the later case fainess algorithm should be deactivated.
1925 If not all min_rates are zero then those that are zeroes will be set to 1.
1926 */
1927static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1928{
1929 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001930 int vn;
1931
1932 bp->vn_weight_sum = 0;
1933 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001934 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001935 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1936 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1937
1938 /* Skip hidden vns */
1939 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1940 continue;
1941
1942 /* If min rate is zero - set it to 1 */
1943 if (!vn_min_rate)
1944 vn_min_rate = DEF_MIN_RATE;
1945 else
1946 all_zero = 0;
1947
1948 bp->vn_weight_sum += vn_min_rate;
1949 }
1950
1951 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001952 if (all_zero) {
1953 bp->cmng.flags.cmng_enables &=
1954 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1955 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1956 " fairness will be disabled\n");
1957 } else
1958 bp->cmng.flags.cmng_enables |=
1959 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001960}
1961
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001962static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001963{
1964 struct rate_shaping_vars_per_vn m_rs_vn;
1965 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001966 u32 vn_cfg = bp->mf_config[vn];
1967 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001968 u16 vn_min_rate, vn_max_rate;
1969 int i;
1970
1971 /* If function is hidden - set min and max to zeroes */
1972 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1973 vn_min_rate = 0;
1974 vn_max_rate = 0;
1975
1976 } else {
1977 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1978 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001979 /* If min rate is zero - set it to 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001980 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001981 vn_min_rate = DEF_MIN_RATE;
1982 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
1983 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
1984 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001985
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001986 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001987 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001988 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001989
1990 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1991 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1992
1993 /* global vn counter - maximal Mbps for this vn */
1994 m_rs_vn.vn_counter.rate = vn_max_rate;
1995
1996 /* quota - number of bytes transmitted in this period */
1997 m_rs_vn.vn_counter.quota =
1998 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
1999
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002000 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002001 /* credit for each period of the fairness algorithm:
2002 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002003 vn_weight_sum should not be larger than 10000, thus
2004 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2005 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002006 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002007 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2008 (8 * bp->vn_weight_sum))),
2009 (bp->cmng.fair_vars.fair_threshold * 2));
2010 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002011 m_fair_vn.vn_credit_delta);
2012 }
2013
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002014 /* Store it to internal memory */
2015 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2016 REG_WR(bp, BAR_XSTRORM_INTMEM +
2017 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2018 ((u32 *)(&m_rs_vn))[i]);
2019
2020 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2021 REG_WR(bp, BAR_XSTRORM_INTMEM +
2022 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2023 ((u32 *)(&m_fair_vn))[i]);
2024}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002025
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002026static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2027{
2028 if (CHIP_REV_IS_SLOW(bp))
2029 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002030 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002031 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002032
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002033 return CMNG_FNS_NONE;
2034}
2035
2036static void bnx2x_read_mf_cfg(struct bnx2x *bp)
2037{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002038 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002039
2040 if (BP_NOMCP(bp))
2041 return; /* what should be the default bvalue in this case */
2042
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002043 /* For 2 port configuration the absolute function number formula
2044 * is:
2045 * abs_func = 2 * vn + BP_PORT + BP_PATH
2046 *
2047 * and there are 4 functions per port
2048 *
2049 * For 4 port configuration it is
2050 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2051 *
2052 * and there are 2 functions per port
2053 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002054 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002055 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2056
2057 if (func >= E1H_FUNC_MAX)
2058 break;
2059
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002060 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002061 MF_CFG_RD(bp, func_mf_config[func].config);
2062 }
2063}
2064
2065static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2066{
2067
2068 if (cmng_type == CMNG_FNS_MINMAX) {
2069 int vn;
2070
2071 /* clear cmng_enables */
2072 bp->cmng.flags.cmng_enables = 0;
2073
2074 /* read mf conf from shmem */
2075 if (read_cfg)
2076 bnx2x_read_mf_cfg(bp);
2077
2078 /* Init rate shaping and fairness contexts */
2079 bnx2x_init_port_minmax(bp);
2080
2081 /* vn_weight_sum and enable fairness if not 0 */
2082 bnx2x_calc_vn_weight_sum(bp);
2083
2084 /* calculate and set min-max rate for each vn */
2085 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2086 bnx2x_init_vn_minmax(bp, vn);
2087
2088 /* always enable rate shaping and fairness */
2089 bp->cmng.flags.cmng_enables |=
2090 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2091 if (!bp->vn_weight_sum)
2092 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2093 " fairness will be disabled\n");
2094 return;
2095 }
2096
2097 /* rate shaping and fairness are disabled */
2098 DP(NETIF_MSG_IFUP,
2099 "rate shaping and fairness are disabled\n");
2100}
2101
2102static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2103{
2104 int port = BP_PORT(bp);
2105 int func;
2106 int vn;
2107
2108 /* Set the attention towards other drivers on the same port */
2109 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2110 if (vn == BP_E1HVN(bp))
2111 continue;
2112
2113 func = ((vn << 1) | port);
2114 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2115 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2116 }
2117}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002118
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002119/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002120static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002121{
Vladislav Zolotarovd9e8b182010-04-19 01:15:08 +00002122 u32 prev_link_status = bp->link_vars.link_status;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002123 /* Make sure that we are synced with the current statistics */
2124 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2125
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002126 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002127
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002128 if (bp->link_vars.link_up) {
2129
Eilon Greenstein1c063282009-02-12 08:36:43 +00002130 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002131 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002132 int port = BP_PORT(bp);
2133 u32 pause_enabled = 0;
2134
2135 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2136 pause_enabled = 1;
2137
2138 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002139 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002140 pause_enabled);
2141 }
2142
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002143 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2144 struct host_port_stats *pstats;
2145
2146 pstats = bnx2x_sp(bp, port_stats);
2147 /* reset old bmac stats */
2148 memset(&(pstats->mac_stx[0]), 0,
2149 sizeof(struct mac_stx));
2150 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002151 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002152 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2153 }
2154
Vladislav Zolotarovd9e8b182010-04-19 01:15:08 +00002155 /* indicate link status only if link status actually changed */
2156 if (prev_link_status != bp->link_vars.link_status)
2157 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002158
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002159 if (IS_MF(bp))
2160 bnx2x_link_sync_notify(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002161
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002162 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2163 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002164
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002165 if (cmng_fns != CMNG_FNS_NONE) {
2166 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2167 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2168 } else
2169 /* rate shaping and fairness are disabled */
2170 DP(NETIF_MSG_IFUP,
2171 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002172 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002173}
2174
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002175void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002176{
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002177 if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002178 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002179
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002180 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2181
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002182 if (bp->link_vars.link_up)
2183 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2184 else
2185 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2186
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002187 /* the link status update could be the result of a DCC event
2188 hence re-read the shmem mf configuration */
2189 bnx2x_read_mf_cfg(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002190
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002191 /* indicate link status */
2192 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002193}
2194
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002195static void bnx2x_pmf_update(struct bnx2x *bp)
2196{
2197 int port = BP_PORT(bp);
2198 u32 val;
2199
2200 bp->port.pmf = 1;
2201 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2202
2203 /* enable nig attention */
2204 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002205 if (bp->common.int_block == INT_BLOCK_HC) {
2206 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2207 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2208 } else if (CHIP_IS_E2(bp)) {
2209 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2210 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2211 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002212
2213 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002214}
2215
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002216/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002217
2218/* slow path */
2219
2220/*
2221 * General service functions
2222 */
2223
Eilon Greenstein2691d512009-08-12 08:22:08 +00002224/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002225u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002226{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002227 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002228 u32 seq = ++bp->fw_seq;
2229 u32 rc = 0;
2230 u32 cnt = 1;
2231 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2232
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002233 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002234 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2235 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2236
Eilon Greenstein2691d512009-08-12 08:22:08 +00002237 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2238
2239 do {
2240 /* let the FW do it's magic ... */
2241 msleep(delay);
2242
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002243 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002244
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002245 /* Give the FW up to 5 second (500*10ms) */
2246 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002247
2248 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2249 cnt*delay, rc, seq);
2250
2251 /* is this a reply to our command? */
2252 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2253 rc &= FW_MSG_CODE_MASK;
2254 else {
2255 /* FW BUG! */
2256 BNX2X_ERR("FW failed to respond!\n");
2257 bnx2x_fw_dump(bp);
2258 rc = 0;
2259 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002260 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002261
2262 return rc;
2263}
2264
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002265static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2266{
2267#ifdef BCM_CNIC
2268 if (IS_FCOE_FP(fp) && IS_MF(bp))
2269 return false;
2270#endif
2271 return true;
2272}
2273
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002274/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002275static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002276{
2277 u32 mask = (1 << cl_id);
2278
2279 /* initial seeting is BNX2X_ACCEPT_NONE */
2280 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2281 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2282 u8 unmatched_unicast = 0;
2283
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002284 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2285 unmatched_unicast = 1;
2286
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002287 if (filters & BNX2X_PROMISCUOUS_MODE) {
2288 /* promiscious - accept all, drop none */
2289 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2290 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002291 if (IS_MF_SI(bp)) {
2292 /*
2293 * SI mode defines to accept in promiscuos mode
2294 * only unmatched packets
2295 */
2296 unmatched_unicast = 1;
2297 accp_all_ucast = 0;
2298 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002299 }
2300 if (filters & BNX2X_ACCEPT_UNICAST) {
2301 /* accept matched ucast */
2302 drop_all_ucast = 0;
2303 }
2304 if (filters & BNX2X_ACCEPT_MULTICAST) {
2305 /* accept matched mcast */
2306 drop_all_mcast = 0;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002307 if (IS_MF_SI(bp))
2308 /* since mcast addresses won't arrive with ovlan,
2309 * fw needs to accept all of them in
2310 * switch-independent mode */
2311 accp_all_mcast = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002312 }
2313 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2314 /* accept all mcast */
2315 drop_all_ucast = 0;
2316 accp_all_ucast = 1;
2317 }
2318 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2319 /* accept all mcast */
2320 drop_all_mcast = 0;
2321 accp_all_mcast = 1;
2322 }
2323 if (filters & BNX2X_ACCEPT_BROADCAST) {
2324 /* accept (all) bcast */
2325 drop_all_bcast = 0;
2326 accp_all_bcast = 1;
2327 }
2328
2329 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2330 bp->mac_filters.ucast_drop_all | mask :
2331 bp->mac_filters.ucast_drop_all & ~mask;
2332
2333 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2334 bp->mac_filters.mcast_drop_all | mask :
2335 bp->mac_filters.mcast_drop_all & ~mask;
2336
2337 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2338 bp->mac_filters.bcast_drop_all | mask :
2339 bp->mac_filters.bcast_drop_all & ~mask;
2340
2341 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2342 bp->mac_filters.ucast_accept_all | mask :
2343 bp->mac_filters.ucast_accept_all & ~mask;
2344
2345 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2346 bp->mac_filters.mcast_accept_all | mask :
2347 bp->mac_filters.mcast_accept_all & ~mask;
2348
2349 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2350 bp->mac_filters.bcast_accept_all | mask :
2351 bp->mac_filters.bcast_accept_all & ~mask;
2352
2353 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2354 bp->mac_filters.unmatched_unicast | mask :
2355 bp->mac_filters.unmatched_unicast & ~mask;
2356}
2357
stephen hemminger8d962862010-10-21 07:50:56 +00002358static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002359{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002360 struct tstorm_eth_function_common_config tcfg = {0};
2361 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002362
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002363 /* tpa */
2364 if (p->func_flgs & FUNC_FLG_TPA)
2365 tcfg.config_flags |=
2366 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002367
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002368 /* set rss flags */
2369 rss_flgs = (p->rss->mode <<
2370 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002371
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002372 if (p->rss->cap & RSS_IPV4_CAP)
2373 rss_flgs |= RSS_IPV4_CAP_MASK;
2374 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2375 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2376 if (p->rss->cap & RSS_IPV6_CAP)
2377 rss_flgs |= RSS_IPV6_CAP_MASK;
2378 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2379 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002380
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002381 tcfg.config_flags |= rss_flgs;
2382 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002383
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002384 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002385
2386 /* Enable the function in the FW */
2387 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2388 storm_memset_func_en(bp, p->func_id, 1);
2389
2390 /* statistics */
2391 if (p->func_flgs & FUNC_FLG_STATS) {
2392 struct stats_indication_flags stats_flags = {0};
2393 stats_flags.collect_eth = 1;
2394
2395 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2396 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2397
2398 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2399 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2400
2401 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2402 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2403
2404 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2405 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2406 }
2407
2408 /* spq */
2409 if (p->func_flgs & FUNC_FLG_SPQ) {
2410 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2411 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2412 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2413 }
2414}
2415
2416static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2417 struct bnx2x_fastpath *fp)
2418{
2419 u16 flags = 0;
2420
2421 /* calculate queue flags */
2422 flags |= QUEUE_FLG_CACHE_ALIGN;
2423 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002424 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002425
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002426 flags |= QUEUE_FLG_VLAN;
2427 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002428
2429 if (!fp->disable_tpa)
2430 flags |= QUEUE_FLG_TPA;
2431
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002432 flags = stat_counter_valid(bp, fp) ?
2433 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002434
2435 return flags;
2436}
2437
2438static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2439 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2440 struct bnx2x_rxq_init_params *rxq_init)
2441{
2442 u16 max_sge = 0;
2443 u16 sge_sz = 0;
2444 u16 tpa_agg_size = 0;
2445
2446 /* calculate queue flags */
2447 u16 flags = bnx2x_get_cl_flags(bp, fp);
2448
2449 if (!fp->disable_tpa) {
2450 pause->sge_th_hi = 250;
2451 pause->sge_th_lo = 150;
2452 tpa_agg_size = min_t(u32,
2453 (min_t(u32, 8, MAX_SKB_FRAGS) *
2454 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2455 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2456 SGE_PAGE_SHIFT;
2457 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2458 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2459 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2460 0xffff);
2461 }
2462
2463 /* pause - not for e1 */
2464 if (!CHIP_IS_E1(bp)) {
2465 pause->bd_th_hi = 350;
2466 pause->bd_th_lo = 250;
2467 pause->rcq_th_hi = 350;
2468 pause->rcq_th_lo = 250;
2469 pause->sge_th_hi = 0;
2470 pause->sge_th_lo = 0;
2471 pause->pri_map = 1;
2472 }
2473
2474 /* rxq setup */
2475 rxq_init->flags = flags;
2476 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2477 rxq_init->dscr_map = fp->rx_desc_mapping;
2478 rxq_init->sge_map = fp->rx_sge_mapping;
2479 rxq_init->rcq_map = fp->rx_comp_mapping;
2480 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
2481 rxq_init->mtu = bp->dev->mtu;
2482 rxq_init->buf_sz = bp->rx_buf_size;
2483 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2484 rxq_init->cl_id = fp->cl_id;
2485 rxq_init->spcl_id = fp->cl_id;
2486 rxq_init->stat_id = fp->cl_id;
2487 rxq_init->tpa_agg_sz = tpa_agg_size;
2488 rxq_init->sge_buf_sz = sge_sz;
2489 rxq_init->max_sges_pkt = max_sge;
2490 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2491 rxq_init->fw_sb_id = fp->fw_sb_id;
2492
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002493 if (IS_FCOE_FP(fp))
2494 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2495 else
2496 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002497
2498 rxq_init->cid = HW_CID(bp, fp->cid);
2499
2500 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2501}
2502
2503static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2504 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2505{
2506 u16 flags = bnx2x_get_cl_flags(bp, fp);
2507
2508 txq_init->flags = flags;
2509 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2510 txq_init->dscr_map = fp->tx_desc_mapping;
2511 txq_init->stat_id = fp->cl_id;
2512 txq_init->cid = HW_CID(bp, fp->cid);
2513 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2514 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2515 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002516
2517 if (IS_FCOE_FP(fp)) {
2518 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2519 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2520 }
2521
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002522 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2523}
2524
stephen hemminger8d962862010-10-21 07:50:56 +00002525static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002526{
2527 struct bnx2x_func_init_params func_init = {0};
2528 struct bnx2x_rss_params rss = {0};
2529 struct event_ring_data eq_data = { {0} };
2530 u16 flags;
2531
2532 /* pf specific setups */
2533 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002534 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002536 if (CHIP_IS_E2(bp)) {
2537 /* reset IGU PF statistics: MSIX + ATTN */
2538 /* PF */
2539 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2540 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2541 (CHIP_MODE_IS_4_PORT(bp) ?
2542 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2543 /* ATTN */
2544 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2545 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2546 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2547 (CHIP_MODE_IS_4_PORT(bp) ?
2548 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2549 }
2550
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002551 /* function setup flags */
2552 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2553
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002554 if (CHIP_IS_E1x(bp))
2555 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2556 else
2557 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002558
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002559 /* function setup */
2560
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002561 /**
2562 * Although RSS is meaningless when there is a single HW queue we
2563 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002564 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002565 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2566 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2567 rss.mode = bp->multi_mode;
2568 rss.result_mask = MULTI_MASK;
2569 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002570
2571 func_init.func_flgs = flags;
2572 func_init.pf_id = BP_FUNC(bp);
2573 func_init.func_id = BP_FUNC(bp);
2574 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2575 func_init.spq_map = bp->spq_mapping;
2576 func_init.spq_prod = bp->spq_prod_idx;
2577
2578 bnx2x_func_init(bp, &func_init);
2579
2580 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2581
2582 /*
2583 Congestion management values depend on the link rate
2584 There is no active link so initial link rate is set to 10 Gbps.
2585 When the link comes up The congestion management values are
2586 re-calculated according to the actual link rate.
2587 */
2588 bp->link_vars.line_speed = SPEED_10000;
2589 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2590
2591 /* Only the PMF sets the HW */
2592 if (bp->port.pmf)
2593 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2594
2595 /* no rx until link is up */
2596 bp->rx_mode = BNX2X_RX_MODE_NONE;
2597 bnx2x_set_storm_rx_mode(bp);
2598
2599 /* init Event Queue */
2600 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2601 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2602 eq_data.producer = bp->eq_prod;
2603 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2604 eq_data.sb_id = DEF_SB_ID;
2605 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2606}
2607
2608
Eilon Greenstein2691d512009-08-12 08:22:08 +00002609static void bnx2x_e1h_disable(struct bnx2x *bp)
2610{
2611 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002612
2613 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002614
2615 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2616
Eilon Greenstein2691d512009-08-12 08:22:08 +00002617 netif_carrier_off(bp->dev);
2618}
2619
2620static void bnx2x_e1h_enable(struct bnx2x *bp)
2621{
2622 int port = BP_PORT(bp);
2623
2624 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2625
Eilon Greenstein2691d512009-08-12 08:22:08 +00002626 /* Tx queue should be only reenabled */
2627 netif_tx_wake_all_queues(bp->dev);
2628
Eilon Greenstein061bc702009-10-15 00:18:47 -07002629 /*
2630 * Should not call netif_carrier_on since it will be called if the link
2631 * is up when checking for link state
2632 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002633}
2634
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002635/* called due to MCP event (on pmf):
2636 * reread new bandwidth configuration
2637 * configure FW
2638 * notify others function about the change
2639 */
2640static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2641{
2642 if (bp->link_vars.link_up) {
2643 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2644 bnx2x_link_sync_notify(bp);
2645 }
2646 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2647}
2648
2649static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2650{
2651 bnx2x_config_mf_bw(bp);
2652 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2653}
2654
Eilon Greenstein2691d512009-08-12 08:22:08 +00002655static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2656{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002657 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002658
2659 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2660
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002661 /*
2662 * This is the only place besides the function initialization
2663 * where the bp->flags can change so it is done without any
2664 * locks
2665 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002666 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002667 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002668 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002669
2670 bnx2x_e1h_disable(bp);
2671 } else {
2672 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002673 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002674
2675 bnx2x_e1h_enable(bp);
2676 }
2677 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2678 }
2679 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002680 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002681 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2682 }
2683
2684 /* Report results to MCP */
2685 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002686 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002687 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002688 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002689}
2690
Michael Chan28912902009-10-10 13:46:53 +00002691/* must be called under the spq lock */
2692static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2693{
2694 struct eth_spe *next_spe = bp->spq_prod_bd;
2695
2696 if (bp->spq_prod_bd == bp->spq_last_bd) {
2697 bp->spq_prod_bd = bp->spq;
2698 bp->spq_prod_idx = 0;
2699 DP(NETIF_MSG_TIMER, "end of spq\n");
2700 } else {
2701 bp->spq_prod_bd++;
2702 bp->spq_prod_idx++;
2703 }
2704 return next_spe;
2705}
2706
2707/* must be called under the spq lock */
2708static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2709{
2710 int func = BP_FUNC(bp);
2711
2712 /* Make sure that BD data is updated before writing the producer */
2713 wmb();
2714
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002715 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002716 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002717 mmiowb();
2718}
2719
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002720/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002721int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002722 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002723{
Michael Chan28912902009-10-10 13:46:53 +00002724 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002725 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002726
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002727#ifdef BNX2X_STOP_ON_ERROR
2728 if (unlikely(bp->panic))
2729 return -EIO;
2730#endif
2731
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002732 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002733
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002734 if (!atomic_read(&bp->spq_left)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002735 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002736 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002737 bnx2x_panic();
2738 return -EBUSY;
2739 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002740
Michael Chan28912902009-10-10 13:46:53 +00002741 spe = bnx2x_sp_get_next(bp);
2742
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002743 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002744 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002745 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2746 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002747
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002748 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002749 /* Common ramrods:
2750 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2751 * TRAFFIC_STOP, TRAFFIC_START
2752 */
2753 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2754 & SPE_HDR_CONN_TYPE;
2755 else
2756 /* ETH ramrods: SETUP, HALT */
2757 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2758 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002759
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002760 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2761 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002762
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002763 spe->hdr.type = cpu_to_le16(type);
2764
2765 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2766 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2767
2768 /* stats ramrod has it's own slot on the spq */
2769 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY)
2770 /* It's ok if the actual decrement is issued towards the memory
2771 * somewhere between the spin_lock and spin_unlock. Thus no
2772 * more explict memory barrier is needed.
2773 */
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002774 atomic_dec(&bp->spq_left);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002775
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002776 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002777 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
2778 "type(0x%x) left %x\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002779 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2780 (u32)(U64_LO(bp->spq_mapping) +
2781 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002782 HW_CID(bp, cid), data_hi, data_lo, type, atomic_read(&bp->spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002783
Michael Chan28912902009-10-10 13:46:53 +00002784 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002785 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002786 return 0;
2787}
2788
2789/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002790static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002791{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002792 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002793 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002794
2795 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002796 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002797 val = (1UL << 31);
2798 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2799 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2800 if (val & (1L << 31))
2801 break;
2802
2803 msleep(5);
2804 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002805 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002806 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002807 rc = -EBUSY;
2808 }
2809
2810 return rc;
2811}
2812
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002813/* release split MCP access lock register */
2814static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002815{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002816 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002817}
2818
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002819#define BNX2X_DEF_SB_ATT_IDX 0x0001
2820#define BNX2X_DEF_SB_IDX 0x0002
2821
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002822static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2823{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002824 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002825 u16 rc = 0;
2826
2827 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002828 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2829 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002830 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002831 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002832
2833 if (bp->def_idx != def_sb->sp_sb.running_index) {
2834 bp->def_idx = def_sb->sp_sb.running_index;
2835 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002836 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002837
2838 /* Do not reorder: indecies reading should complete before handling */
2839 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002840 return rc;
2841}
2842
2843/*
2844 * slow path service functions
2845 */
2846
2847static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2848{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002849 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002850 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2851 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002852 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2853 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002854 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002855 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002856 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002857
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002858 if (bp->attn_state & asserted)
2859 BNX2X_ERR("IGU ERROR\n");
2860
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002861 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2862 aeu_mask = REG_RD(bp, aeu_addr);
2863
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002864 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002865 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002866 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002867 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002868
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002869 REG_WR(bp, aeu_addr, aeu_mask);
2870 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002871
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002872 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002873 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002874 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002875
2876 if (asserted & ATTN_HARD_WIRED_MASK) {
2877 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002878
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002879 bnx2x_acquire_phy_lock(bp);
2880
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002881 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002882 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002883 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002884
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002885 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002886
2887 /* handle unicore attn? */
2888 }
2889 if (asserted & ATTN_SW_TIMER_4_FUNC)
2890 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2891
2892 if (asserted & GPIO_2_FUNC)
2893 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2894
2895 if (asserted & GPIO_3_FUNC)
2896 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2897
2898 if (asserted & GPIO_4_FUNC)
2899 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2900
2901 if (port == 0) {
2902 if (asserted & ATTN_GENERAL_ATTN_1) {
2903 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2904 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2905 }
2906 if (asserted & ATTN_GENERAL_ATTN_2) {
2907 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2908 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2909 }
2910 if (asserted & ATTN_GENERAL_ATTN_3) {
2911 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2912 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2913 }
2914 } else {
2915 if (asserted & ATTN_GENERAL_ATTN_4) {
2916 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2917 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2918 }
2919 if (asserted & ATTN_GENERAL_ATTN_5) {
2920 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2921 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2922 }
2923 if (asserted & ATTN_GENERAL_ATTN_6) {
2924 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2925 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2926 }
2927 }
2928
2929 } /* if hardwired */
2930
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002931 if (bp->common.int_block == INT_BLOCK_HC)
2932 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2933 COMMAND_REG_ATTN_BITS_SET);
2934 else
2935 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2936
2937 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2938 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2939 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002940
2941 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002942 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002943 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002944 bnx2x_release_phy_lock(bp);
2945 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002946}
2947
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002948static inline void bnx2x_fan_failure(struct bnx2x *bp)
2949{
2950 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002951 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002952 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002953 ext_phy_config =
2954 SHMEM_RD(bp,
2955 dev_info.port_hw_config[port].external_phy_config);
2956
2957 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2958 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002959 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002960 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002961
2962 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002963 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2964 " the driver to shutdown the card to prevent permanent"
2965 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002966}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002967
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002968static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2969{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002970 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002971 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002972 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002973
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002974 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2975 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002976
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002977 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002978
2979 val = REG_RD(bp, reg_offset);
2980 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2981 REG_WR(bp, reg_offset, val);
2982
2983 BNX2X_ERR("SPIO5 hw attention\n");
2984
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002985 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002986 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002987 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002988 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002989
Eilon Greenstein589abe32009-02-12 08:36:55 +00002990 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2991 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2992 bnx2x_acquire_phy_lock(bp);
2993 bnx2x_handle_module_detect_int(&bp->link_params);
2994 bnx2x_release_phy_lock(bp);
2995 }
2996
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002997 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2998
2999 val = REG_RD(bp, reg_offset);
3000 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3001 REG_WR(bp, reg_offset, val);
3002
3003 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003004 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003005 bnx2x_panic();
3006 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003007}
3008
3009static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3010{
3011 u32 val;
3012
Eilon Greenstein0626b892009-02-12 08:38:14 +00003013 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003014
3015 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3016 BNX2X_ERR("DB hw attention 0x%x\n", val);
3017 /* DORQ discard attention */
3018 if (val & 0x2)
3019 BNX2X_ERR("FATAL error from DORQ\n");
3020 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003021
3022 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3023
3024 int port = BP_PORT(bp);
3025 int reg_offset;
3026
3027 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3028 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3029
3030 val = REG_RD(bp, reg_offset);
3031 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3032 REG_WR(bp, reg_offset, val);
3033
3034 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003035 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003036 bnx2x_panic();
3037 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003038}
3039
3040static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3041{
3042 u32 val;
3043
3044 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3045
3046 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3047 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3048 /* CFC error attention */
3049 if (val & 0x2)
3050 BNX2X_ERR("FATAL error from CFC\n");
3051 }
3052
3053 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3054
3055 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3056 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3057 /* RQ_USDMDP_FIFO_OVERFLOW */
3058 if (val & 0x18000)
3059 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003060 if (CHIP_IS_E2(bp)) {
3061 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3062 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3063 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003064 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003065
3066 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3067
3068 int port = BP_PORT(bp);
3069 int reg_offset;
3070
3071 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3072 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3073
3074 val = REG_RD(bp, reg_offset);
3075 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3076 REG_WR(bp, reg_offset, val);
3077
3078 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003079 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003080 bnx2x_panic();
3081 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003082}
3083
3084static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3085{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003086 u32 val;
3087
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003088 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3089
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003090 if (attn & BNX2X_PMF_LINK_ASSERT) {
3091 int func = BP_FUNC(bp);
3092
3093 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003094 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3095 func_mf_config[BP_ABS_FUNC(bp)].config);
3096 val = SHMEM_RD(bp,
3097 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003098 if (val & DRV_STATUS_DCC_EVENT_MASK)
3099 bnx2x_dcc_event(bp,
3100 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003101
3102 if (val & DRV_STATUS_SET_MF_BW)
3103 bnx2x_set_mf_bw(bp);
3104
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003105 bnx2x__link_status_update(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003106 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003107 bnx2x_pmf_update(bp);
3108
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003109 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003110 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3111 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003112 /* start dcbx state machine */
3113 bnx2x_dcbx_set_params(bp,
3114 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003115 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003116
3117 BNX2X_ERR("MC assert!\n");
3118 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3119 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3120 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3121 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3122 bnx2x_panic();
3123
3124 } else if (attn & BNX2X_MCP_ASSERT) {
3125
3126 BNX2X_ERR("MCP assert!\n");
3127 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003128 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003129
3130 } else
3131 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3132 }
3133
3134 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003135 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3136 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003137 val = CHIP_IS_E1(bp) ? 0 :
3138 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003139 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3140 }
3141 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003142 val = CHIP_IS_E1(bp) ? 0 :
3143 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003144 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3145 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003146 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003147 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003148}
3149
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003150#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3151#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3152#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3153#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3154#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
3155#define CHIP_PARITY_SUPPORTED(bp) (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp))
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003156
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003157/*
3158 * should be run under rtnl lock
3159 */
3160static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3161{
3162 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3163 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3164 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3165 barrier();
3166 mmiowb();
3167}
3168
3169/*
3170 * should be run under rtnl lock
3171 */
3172static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3173{
3174 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3175 val |= (1 << 16);
3176 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3177 barrier();
3178 mmiowb();
3179}
3180
3181/*
3182 * should be run under rtnl lock
3183 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003184bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003185{
3186 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3187 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3188 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3189}
3190
3191/*
3192 * should be run under rtnl lock
3193 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003194inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003195{
3196 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3197
3198 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3199
3200 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3201 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3202 barrier();
3203 mmiowb();
3204}
3205
3206/*
3207 * should be run under rtnl lock
3208 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003209u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003210{
3211 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3212
3213 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3214
3215 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3216 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3217 barrier();
3218 mmiowb();
3219
3220 return val1;
3221}
3222
3223/*
3224 * should be run under rtnl lock
3225 */
3226static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3227{
3228 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3229}
3230
3231static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3232{
3233 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3234 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3235}
3236
3237static inline void _print_next_block(int idx, const char *blk)
3238{
3239 if (idx)
3240 pr_cont(", ");
3241 pr_cont("%s", blk);
3242}
3243
3244static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3245{
3246 int i = 0;
3247 u32 cur_bit = 0;
3248 for (i = 0; sig; i++) {
3249 cur_bit = ((u32)0x1 << i);
3250 if (sig & cur_bit) {
3251 switch (cur_bit) {
3252 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3253 _print_next_block(par_num++, "BRB");
3254 break;
3255 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3256 _print_next_block(par_num++, "PARSER");
3257 break;
3258 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3259 _print_next_block(par_num++, "TSDM");
3260 break;
3261 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3262 _print_next_block(par_num++, "SEARCHER");
3263 break;
3264 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3265 _print_next_block(par_num++, "TSEMI");
3266 break;
3267 }
3268
3269 /* Clear the bit */
3270 sig &= ~cur_bit;
3271 }
3272 }
3273
3274 return par_num;
3275}
3276
3277static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3278{
3279 int i = 0;
3280 u32 cur_bit = 0;
3281 for (i = 0; sig; i++) {
3282 cur_bit = ((u32)0x1 << i);
3283 if (sig & cur_bit) {
3284 switch (cur_bit) {
3285 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3286 _print_next_block(par_num++, "PBCLIENT");
3287 break;
3288 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3289 _print_next_block(par_num++, "QM");
3290 break;
3291 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3292 _print_next_block(par_num++, "XSDM");
3293 break;
3294 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3295 _print_next_block(par_num++, "XSEMI");
3296 break;
3297 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3298 _print_next_block(par_num++, "DOORBELLQ");
3299 break;
3300 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3301 _print_next_block(par_num++, "VAUX PCI CORE");
3302 break;
3303 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3304 _print_next_block(par_num++, "DEBUG");
3305 break;
3306 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3307 _print_next_block(par_num++, "USDM");
3308 break;
3309 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3310 _print_next_block(par_num++, "USEMI");
3311 break;
3312 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3313 _print_next_block(par_num++, "UPB");
3314 break;
3315 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3316 _print_next_block(par_num++, "CSDM");
3317 break;
3318 }
3319
3320 /* Clear the bit */
3321 sig &= ~cur_bit;
3322 }
3323 }
3324
3325 return par_num;
3326}
3327
3328static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3329{
3330 int i = 0;
3331 u32 cur_bit = 0;
3332 for (i = 0; sig; i++) {
3333 cur_bit = ((u32)0x1 << i);
3334 if (sig & cur_bit) {
3335 switch (cur_bit) {
3336 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3337 _print_next_block(par_num++, "CSEMI");
3338 break;
3339 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3340 _print_next_block(par_num++, "PXP");
3341 break;
3342 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3343 _print_next_block(par_num++,
3344 "PXPPCICLOCKCLIENT");
3345 break;
3346 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3347 _print_next_block(par_num++, "CFC");
3348 break;
3349 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3350 _print_next_block(par_num++, "CDU");
3351 break;
3352 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3353 _print_next_block(par_num++, "IGU");
3354 break;
3355 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3356 _print_next_block(par_num++, "MISC");
3357 break;
3358 }
3359
3360 /* Clear the bit */
3361 sig &= ~cur_bit;
3362 }
3363 }
3364
3365 return par_num;
3366}
3367
3368static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3369{
3370 int i = 0;
3371 u32 cur_bit = 0;
3372 for (i = 0; sig; i++) {
3373 cur_bit = ((u32)0x1 << i);
3374 if (sig & cur_bit) {
3375 switch (cur_bit) {
3376 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3377 _print_next_block(par_num++, "MCP ROM");
3378 break;
3379 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3380 _print_next_block(par_num++, "MCP UMP RX");
3381 break;
3382 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3383 _print_next_block(par_num++, "MCP UMP TX");
3384 break;
3385 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3386 _print_next_block(par_num++, "MCP SCPAD");
3387 break;
3388 }
3389
3390 /* Clear the bit */
3391 sig &= ~cur_bit;
3392 }
3393 }
3394
3395 return par_num;
3396}
3397
3398static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3399 u32 sig2, u32 sig3)
3400{
3401 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3402 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3403 int par_num = 0;
3404 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3405 "[0]:0x%08x [1]:0x%08x "
3406 "[2]:0x%08x [3]:0x%08x\n",
3407 sig0 & HW_PRTY_ASSERT_SET_0,
3408 sig1 & HW_PRTY_ASSERT_SET_1,
3409 sig2 & HW_PRTY_ASSERT_SET_2,
3410 sig3 & HW_PRTY_ASSERT_SET_3);
3411 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3412 bp->dev->name);
3413 par_num = bnx2x_print_blocks_with_parity0(
3414 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3415 par_num = bnx2x_print_blocks_with_parity1(
3416 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3417 par_num = bnx2x_print_blocks_with_parity2(
3418 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3419 par_num = bnx2x_print_blocks_with_parity3(
3420 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3421 printk("\n");
3422 return true;
3423 } else
3424 return false;
3425}
3426
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003427bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003428{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003429 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003430 int port = BP_PORT(bp);
3431
3432 attn.sig[0] = REG_RD(bp,
3433 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3434 port*4);
3435 attn.sig[1] = REG_RD(bp,
3436 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3437 port*4);
3438 attn.sig[2] = REG_RD(bp,
3439 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3440 port*4);
3441 attn.sig[3] = REG_RD(bp,
3442 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3443 port*4);
3444
3445 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3446 attn.sig[3]);
3447}
3448
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003449
3450static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3451{
3452 u32 val;
3453 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3454
3455 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3456 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3457 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3458 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3459 "ADDRESS_ERROR\n");
3460 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3461 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3462 "INCORRECT_RCV_BEHAVIOR\n");
3463 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3464 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3465 "WAS_ERROR_ATTN\n");
3466 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3467 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3468 "VF_LENGTH_VIOLATION_ATTN\n");
3469 if (val &
3470 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3471 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3472 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3473 if (val &
3474 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3475 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3476 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3477 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3478 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3479 "TCPL_ERROR_ATTN\n");
3480 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3481 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3482 "TCPL_IN_TWO_RCBS_ATTN\n");
3483 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3484 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3485 "CSSNOOP_FIFO_OVERFLOW\n");
3486 }
3487 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3488 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3489 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3490 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3491 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3492 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3493 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3494 "_ATC_TCPL_TO_NOT_PEND\n");
3495 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3496 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3497 "ATC_GPA_MULTIPLE_HITS\n");
3498 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3499 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3500 "ATC_RCPL_TO_EMPTY_CNT\n");
3501 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3502 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3503 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3504 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3505 "ATC_IREQ_LESS_THAN_STU\n");
3506 }
3507
3508 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3509 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3510 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3511 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3512 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3513 }
3514
3515}
3516
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003517static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3518{
3519 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003520 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003521 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003522 u32 reg_addr;
3523 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003524 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003525
3526 /* need to take HW lock because MCP or other port might also
3527 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003528 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003529
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003530 if (bnx2x_chk_parity_attn(bp)) {
3531 bp->recovery_state = BNX2X_RECOVERY_INIT;
3532 bnx2x_set_reset_in_progress(bp);
3533 schedule_delayed_work(&bp->reset_task, 0);
3534 /* Disable HW interrupts */
3535 bnx2x_int_disable(bp);
3536 bnx2x_release_alr(bp);
3537 /* In case of parity errors don't handle attentions so that
3538 * other function would "see" parity errors.
3539 */
3540 return;
3541 }
3542
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003543 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3544 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3545 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3546 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003547 if (CHIP_IS_E2(bp))
3548 attn.sig[4] =
3549 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3550 else
3551 attn.sig[4] = 0;
3552
3553 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3554 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003555
3556 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3557 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003558 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003559
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003560 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3561 "%08x %08x %08x\n",
3562 index,
3563 group_mask->sig[0], group_mask->sig[1],
3564 group_mask->sig[2], group_mask->sig[3],
3565 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003566
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003567 bnx2x_attn_int_deasserted4(bp,
3568 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003569 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003570 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003571 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003572 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003573 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003574 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003575 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003576 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003577 }
3578 }
3579
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003580 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003581
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003582 if (bp->common.int_block == INT_BLOCK_HC)
3583 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3584 COMMAND_REG_ATTN_BITS_CLR);
3585 else
3586 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003587
3588 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003589 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3590 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003591 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003592
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003593 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003594 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003595
3596 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3597 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3598
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003599 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3600 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003601
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003602 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3603 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003604 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003605 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3606
3607 REG_WR(bp, reg_addr, aeu_mask);
3608 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003609
3610 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3611 bp->attn_state &= ~deasserted;
3612 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3613}
3614
3615static void bnx2x_attn_int(struct bnx2x *bp)
3616{
3617 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003618 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3619 attn_bits);
3620 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3621 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003622 u32 attn_state = bp->attn_state;
3623
3624 /* look for changed bits */
3625 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3626 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3627
3628 DP(NETIF_MSG_HW,
3629 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3630 attn_bits, attn_ack, asserted, deasserted);
3631
3632 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003633 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003634
3635 /* handle bits that were raised */
3636 if (asserted)
3637 bnx2x_attn_int_asserted(bp, asserted);
3638
3639 if (deasserted)
3640 bnx2x_attn_int_deasserted(bp, deasserted);
3641}
3642
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003643static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3644{
3645 /* No memory barriers */
3646 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3647 mmiowb(); /* keep prod updates ordered */
3648}
3649
3650#ifdef BCM_CNIC
3651static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3652 union event_ring_elem *elem)
3653{
3654 if (!bp->cnic_eth_dev.starting_cid ||
3655 cid < bp->cnic_eth_dev.starting_cid)
3656 return 1;
3657
3658 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3659
3660 if (unlikely(elem->message.data.cfc_del_event.error)) {
3661 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3662 cid);
3663 bnx2x_panic_dump(bp);
3664 }
3665 bnx2x_cnic_cfc_comp(bp, cid);
3666 return 0;
3667}
3668#endif
3669
3670static void bnx2x_eq_int(struct bnx2x *bp)
3671{
3672 u16 hw_cons, sw_cons, sw_prod;
3673 union event_ring_elem *elem;
3674 u32 cid;
3675 u8 opcode;
3676 int spqe_cnt = 0;
3677
3678 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3679
3680 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3681 * when we get the the next-page we nned to adjust so the loop
3682 * condition below will be met. The next element is the size of a
3683 * regular element and hence incrementing by 1
3684 */
3685 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3686 hw_cons++;
3687
3688 /* This function may never run in parralel with itself for a
3689 * specific bp, thus there is no need in "paired" read memory
3690 * barrier here.
3691 */
3692 sw_cons = bp->eq_cons;
3693 sw_prod = bp->eq_prod;
3694
3695 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->spq_left %u\n",
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003696 hw_cons, sw_cons, atomic_read(&bp->spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003697
3698 for (; sw_cons != hw_cons;
3699 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3700
3701
3702 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3703
3704 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3705 opcode = elem->message.opcode;
3706
3707
3708 /* handle eq element */
3709 switch (opcode) {
3710 case EVENT_RING_OPCODE_STAT_QUERY:
3711 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3712 /* nothing to do with stats comp */
3713 continue;
3714
3715 case EVENT_RING_OPCODE_CFC_DEL:
3716 /* handle according to cid range */
3717 /*
3718 * we may want to verify here that the bp state is
3719 * HALTING
3720 */
3721 DP(NETIF_MSG_IFDOWN,
3722 "got delete ramrod for MULTI[%d]\n", cid);
3723#ifdef BCM_CNIC
3724 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3725 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003726 if (cid == BNX2X_FCOE_ETH_CID)
3727 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3728 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003729#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003730 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003731 BNX2X_FP_STATE_CLOSED;
3732
3733 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003734
3735 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3736 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3737 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3738 goto next_spqe;
3739 case EVENT_RING_OPCODE_START_TRAFFIC:
3740 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3741 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3742 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003743 }
3744
3745 switch (opcode | bp->state) {
3746 case (EVENT_RING_OPCODE_FUNCTION_START |
3747 BNX2X_STATE_OPENING_WAIT4_PORT):
3748 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3749 bp->state = BNX2X_STATE_FUNC_STARTED;
3750 break;
3751
3752 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3753 BNX2X_STATE_CLOSING_WAIT4_HALT):
3754 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3755 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3756 break;
3757
3758 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3759 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3760 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
3761 bp->set_mac_pending = 0;
3762 break;
3763
3764 case (EVENT_RING_OPCODE_SET_MAC |
3765 BNX2X_STATE_CLOSING_WAIT4_HALT):
3766 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
3767 bp->set_mac_pending = 0;
3768 break;
3769 default:
3770 /* unknown event log error and continue */
3771 BNX2X_ERR("Unknown EQ event %d\n",
3772 elem->message.opcode);
3773 }
3774next_spqe:
3775 spqe_cnt++;
3776 } /* for */
3777
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003778 smp_mb__before_atomic_inc();
3779 atomic_add(spqe_cnt, &bp->spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003780
3781 bp->eq_cons = sw_cons;
3782 bp->eq_prod = sw_prod;
3783 /* Make sure that above mem writes were issued towards the memory */
3784 smp_wmb();
3785
3786 /* update producer */
3787 bnx2x_update_eq_prod(bp, bp->eq_prod);
3788}
3789
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003790static void bnx2x_sp_task(struct work_struct *work)
3791{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003792 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003793 u16 status;
3794
3795 /* Return here if interrupt is disabled */
3796 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003797 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003798 return;
3799 }
3800
3801 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003802/* if (status == 0) */
3803/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003804
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003805 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003806
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003807 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003808 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003809 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003810 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003811 }
3812
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003813 /* SP events: STAT_QUERY and others */
3814 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003815#ifdef BCM_CNIC
3816 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003817
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003818 if ((!NO_FCOE(bp)) &&
3819 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3820 napi_schedule(&bnx2x_fcoe(bp, napi));
3821#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003822 /* Handle EQ completions */
3823 bnx2x_eq_int(bp);
3824
3825 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3826 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3827
3828 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003829 }
3830
3831 if (unlikely(status))
3832 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3833 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003834
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003835 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3836 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003837}
3838
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003839irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003840{
3841 struct net_device *dev = dev_instance;
3842 struct bnx2x *bp = netdev_priv(dev);
3843
3844 /* Return here if interrupt is disabled */
3845 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003846 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003847 return IRQ_HANDLED;
3848 }
3849
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003850 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3851 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003852
3853#ifdef BNX2X_STOP_ON_ERROR
3854 if (unlikely(bp->panic))
3855 return IRQ_HANDLED;
3856#endif
3857
Michael Chan993ac7b2009-10-10 13:46:56 +00003858#ifdef BCM_CNIC
3859 {
3860 struct cnic_ops *c_ops;
3861
3862 rcu_read_lock();
3863 c_ops = rcu_dereference(bp->cnic_ops);
3864 if (c_ops)
3865 c_ops->cnic_handler(bp->cnic_data, NULL);
3866 rcu_read_unlock();
3867 }
3868#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003869 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003870
3871 return IRQ_HANDLED;
3872}
3873
3874/* end of slow path */
3875
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003876static void bnx2x_timer(unsigned long data)
3877{
3878 struct bnx2x *bp = (struct bnx2x *) data;
3879
3880 if (!netif_running(bp->dev))
3881 return;
3882
3883 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003884 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003885
3886 if (poll) {
3887 struct bnx2x_fastpath *fp = &bp->fp[0];
3888 int rc;
3889
Eilon Greenstein7961f792009-03-02 07:59:31 +00003890 bnx2x_tx_int(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003891 rc = bnx2x_rx_int(fp, 1000);
3892 }
3893
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003894 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003895 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003896 u32 drv_pulse;
3897 u32 mcp_pulse;
3898
3899 ++bp->fw_drv_pulse_wr_seq;
3900 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3901 /* TBD - add SYSTEM_TIME */
3902 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003903 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003904
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003905 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003906 MCP_PULSE_SEQ_MASK);
3907 /* The delta between driver pulse and mcp response
3908 * should be 1 (before mcp response) or 0 (after mcp response)
3909 */
3910 if ((drv_pulse != mcp_pulse) &&
3911 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3912 /* someone lost a heartbeat... */
3913 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3914 drv_pulse, mcp_pulse);
3915 }
3916 }
3917
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003918 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003919 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003920
Eliezer Tamirf1410642008-02-28 11:51:50 -08003921timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003922 mod_timer(&bp->timer, jiffies + bp->current_interval);
3923}
3924
3925/* end of Statistics */
3926
3927/* nic init */
3928
3929/*
3930 * nic init service functions
3931 */
3932
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003933static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003934{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003935 u32 i;
3936 if (!(len%4) && !(addr%4))
3937 for (i = 0; i < len; i += 4)
3938 REG_WR(bp, addr + i, fill);
3939 else
3940 for (i = 0; i < len; i++)
3941 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003942
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003943}
3944
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003945/* helper: writes FP SP data to FW - data_size in dwords */
3946static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3947 int fw_sb_id,
3948 u32 *sb_data_p,
3949 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003950{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003951 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003952 for (index = 0; index < data_size; index++)
3953 REG_WR(bp, BAR_CSTRORM_INTMEM +
3954 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3955 sizeof(u32)*index,
3956 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003957}
3958
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003959static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3960{
3961 u32 *sb_data_p;
3962 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003963 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003964 struct hc_status_block_data_e1x sb_data_e1x;
3965
3966 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003967 if (CHIP_IS_E2(bp)) {
3968 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3969 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3970 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3971 sb_data_e2.common.p_func.vf_valid = false;
3972 sb_data_p = (u32 *)&sb_data_e2;
3973 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3974 } else {
3975 memset(&sb_data_e1x, 0,
3976 sizeof(struct hc_status_block_data_e1x));
3977 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3978 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3979 sb_data_e1x.common.p_func.vf_valid = false;
3980 sb_data_p = (u32 *)&sb_data_e1x;
3981 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3982 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003983 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3984
3985 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3986 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3987 CSTORM_STATUS_BLOCK_SIZE);
3988 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3989 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3990 CSTORM_SYNC_BLOCK_SIZE);
3991}
3992
3993/* helper: writes SP SB data to FW */
3994static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3995 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003996{
3997 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003998 int i;
3999 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4000 REG_WR(bp, BAR_CSTRORM_INTMEM +
4001 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4002 i*sizeof(u32),
4003 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004004}
4005
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004006static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4007{
4008 int func = BP_FUNC(bp);
4009 struct hc_sp_status_block_data sp_sb_data;
4010 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4011
4012 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4013 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4014 sp_sb_data.p_func.vf_valid = false;
4015
4016 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4017
4018 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4019 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4020 CSTORM_SP_STATUS_BLOCK_SIZE);
4021 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4022 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4023 CSTORM_SP_SYNC_BLOCK_SIZE);
4024
4025}
4026
4027
4028static inline
4029void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4030 int igu_sb_id, int igu_seg_id)
4031{
4032 hc_sm->igu_sb_id = igu_sb_id;
4033 hc_sm->igu_seg_id = igu_seg_id;
4034 hc_sm->timer_value = 0xFF;
4035 hc_sm->time_to_expire = 0xFFFFFFFF;
4036}
4037
stephen hemminger8d962862010-10-21 07:50:56 +00004038static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004039 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4040{
4041 int igu_seg_id;
4042
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004043 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004044 struct hc_status_block_data_e1x sb_data_e1x;
4045 struct hc_status_block_sm *hc_sm_p;
4046 struct hc_index_data *hc_index_p;
4047 int data_size;
4048 u32 *sb_data_p;
4049
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004050 if (CHIP_INT_MODE_IS_BC(bp))
4051 igu_seg_id = HC_SEG_ACCESS_NORM;
4052 else
4053 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004054
4055 bnx2x_zero_fp_sb(bp, fw_sb_id);
4056
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004057 if (CHIP_IS_E2(bp)) {
4058 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4059 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4060 sb_data_e2.common.p_func.vf_id = vfid;
4061 sb_data_e2.common.p_func.vf_valid = vf_valid;
4062 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4063 sb_data_e2.common.same_igu_sb_1b = true;
4064 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4065 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4066 hc_sm_p = sb_data_e2.common.state_machine;
4067 hc_index_p = sb_data_e2.index_data;
4068 sb_data_p = (u32 *)&sb_data_e2;
4069 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4070 } else {
4071 memset(&sb_data_e1x, 0,
4072 sizeof(struct hc_status_block_data_e1x));
4073 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4074 sb_data_e1x.common.p_func.vf_id = 0xff;
4075 sb_data_e1x.common.p_func.vf_valid = false;
4076 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4077 sb_data_e1x.common.same_igu_sb_1b = true;
4078 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4079 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4080 hc_sm_p = sb_data_e1x.common.state_machine;
4081 hc_index_p = sb_data_e1x.index_data;
4082 sb_data_p = (u32 *)&sb_data_e1x;
4083 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4084 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004085
4086 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4087 igu_sb_id, igu_seg_id);
4088 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4089 igu_sb_id, igu_seg_id);
4090
4091 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4092
4093 /* write indecies to HW */
4094 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4095}
4096
4097static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4098 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004099{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004100 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004101 u8 ticks = usec / BNX2X_BTR;
4102
4103 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4104
4105 disable = disable ? 1 : (usec ? 0 : 1);
4106 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4107}
4108
4109static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4110 u16 tx_usec, u16 rx_usec)
4111{
4112 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4113 false, rx_usec);
4114 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4115 false, tx_usec);
4116}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004117
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004118static void bnx2x_init_def_sb(struct bnx2x *bp)
4119{
4120 struct host_sp_status_block *def_sb = bp->def_status_blk;
4121 dma_addr_t mapping = bp->def_status_blk_mapping;
4122 int igu_sp_sb_index;
4123 int igu_seg_id;
4124 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004125 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004126 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004127 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004128 int index;
4129 struct hc_sp_status_block_data sp_sb_data;
4130 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4131
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004132 if (CHIP_INT_MODE_IS_BC(bp)) {
4133 igu_sp_sb_index = DEF_SB_IGU_ID;
4134 igu_seg_id = HC_SEG_ACCESS_DEF;
4135 } else {
4136 igu_sp_sb_index = bp->igu_dsb_id;
4137 igu_seg_id = IGU_SEG_ACCESS_DEF;
4138 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004139
4140 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004141 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004142 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004143 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004144
Eliezer Tamir49d66772008-02-28 11:53:13 -08004145 bp->attn_state = 0;
4146
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004147 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4148 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004149 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004150 int sindex;
4151 /* take care of sig[0]..sig[4] */
4152 for (sindex = 0; sindex < 4; sindex++)
4153 bp->attn_group[index].sig[sindex] =
4154 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004155
4156 if (CHIP_IS_E2(bp))
4157 /*
4158 * enable5 is separate from the rest of the registers,
4159 * and therefore the address skip is 4
4160 * and not 16 between the different groups
4161 */
4162 bp->attn_group[index].sig[4] = REG_RD(bp,
4163 reg_offset + 0x10 + 0x4*index);
4164 else
4165 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004166 }
4167
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004168 if (bp->common.int_block == INT_BLOCK_HC) {
4169 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4170 HC_REG_ATTN_MSG0_ADDR_L);
4171
4172 REG_WR(bp, reg_offset, U64_LO(section));
4173 REG_WR(bp, reg_offset + 4, U64_HI(section));
4174 } else if (CHIP_IS_E2(bp)) {
4175 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4176 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4177 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004178
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004179 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4180 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004181
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004182 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004183
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004184 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4185 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4186 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4187 sp_sb_data.igu_seg_id = igu_seg_id;
4188 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004189 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004190 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004191
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004192 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004193
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004194 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004195 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004196
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004197 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004198}
4199
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004200void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004201{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004202 int i;
4203
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004204 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004205 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
4206 bp->rx_ticks, bp->tx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004207}
4208
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004209static void bnx2x_init_sp_ring(struct bnx2x *bp)
4210{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004211 spin_lock_init(&bp->spq_lock);
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004212 atomic_set(&bp->spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004213
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004214 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004215 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4216 bp->spq_prod_bd = bp->spq;
4217 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004218}
4219
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004220static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004221{
4222 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004223 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4224 union event_ring_elem *elem =
4225 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004226
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004227 elem->next_page.addr.hi =
4228 cpu_to_le32(U64_HI(bp->eq_mapping +
4229 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4230 elem->next_page.addr.lo =
4231 cpu_to_le32(U64_LO(bp->eq_mapping +
4232 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004233 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004234 bp->eq_cons = 0;
4235 bp->eq_prod = NUM_EQ_DESC;
4236 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004237}
4238
4239static void bnx2x_init_ind_table(struct bnx2x *bp)
4240{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004241 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004242 int i;
4243
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004244 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004245 return;
4246
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004247 DP(NETIF_MSG_IFUP,
4248 "Initializing indirection table multi_mode %d\n", bp->multi_mode);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004249 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004250 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004251 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004252 bp->fp->cl_id + (i % (bp->num_queues -
4253 NONE_ETH_CONTEXT_USE)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004254}
4255
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004256void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004257{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004258 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004259 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004260 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004261 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004262
Eilon Greenstein581ce432009-07-29 00:20:04 +00004263 /* All but management unicast packets should pass to the host as well */
4264 u32 llh_mask =
4265 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4266 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4267 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4268 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004269
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004270 switch (mode) {
4271 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004272 def_q_filters = BNX2X_ACCEPT_NONE;
4273#ifdef BCM_CNIC
4274 if (!NO_FCOE(bp)) {
4275 cl_id = bnx2x_fcoe(bp, cl_id);
4276 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4277 }
4278#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004279 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004280
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004281 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004282 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4283 BNX2X_ACCEPT_MULTICAST;
4284#ifdef BCM_CNIC
4285 cl_id = bnx2x_fcoe(bp, cl_id);
4286 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4287 BNX2X_ACCEPT_MULTICAST);
4288#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004289 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004290
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004291 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004292 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4293 BNX2X_ACCEPT_ALL_MULTICAST;
4294#ifdef BCM_CNIC
4295 cl_id = bnx2x_fcoe(bp, cl_id);
4296 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4297 BNX2X_ACCEPT_MULTICAST);
4298#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004299 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004300
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004301 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004302 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4303#ifdef BCM_CNIC
4304 cl_id = bnx2x_fcoe(bp, cl_id);
4305 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4306 BNX2X_ACCEPT_MULTICAST);
4307#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004308 /* pass management unicast packets as well */
4309 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004310 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004311
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004312 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004313 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4314 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004315 }
4316
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004317 cl_id = BP_L_ID(bp);
4318 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4319
Eilon Greenstein581ce432009-07-29 00:20:04 +00004320 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004321 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4322 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004323
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004324 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4325 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004326 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4327 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004328 bp->mac_filters.ucast_drop_all,
4329 bp->mac_filters.mcast_drop_all,
4330 bp->mac_filters.bcast_drop_all,
4331 bp->mac_filters.ucast_accept_all,
4332 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004333 bp->mac_filters.bcast_accept_all,
4334 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004335 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004336
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004337 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004338}
4339
Eilon Greenstein471de712008-08-13 15:49:35 -07004340static void bnx2x_init_internal_common(struct bnx2x *bp)
4341{
4342 int i;
4343
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004344 if (!CHIP_IS_E1(bp)) {
4345
4346 /* xstorm needs to know whether to add ovlan to packets or not,
4347 * in switch-independent we'll write 0 to here... */
4348 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004349 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004350 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004351 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004352 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004353 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004354 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004355 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004356 }
4357
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004358 if (IS_MF_SI(bp))
4359 /*
4360 * In switch independent mode, the TSTORM needs to accept
4361 * packets that failed classification, since approximate match
4362 * mac addresses aren't written to NIG LLH
4363 */
4364 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4365 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4366
Eilon Greenstein471de712008-08-13 15:49:35 -07004367 /* Zero this manually as its initialization is
4368 currently missing in the initTool */
4369 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4370 REG_WR(bp, BAR_USTRORM_INTMEM +
4371 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004372 if (CHIP_IS_E2(bp)) {
4373 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4374 CHIP_INT_MODE_IS_BC(bp) ?
4375 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4376 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004377}
4378
4379static void bnx2x_init_internal_port(struct bnx2x *bp)
4380{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004381 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004382 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004383}
4384
Eilon Greenstein471de712008-08-13 15:49:35 -07004385static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4386{
4387 switch (load_code) {
4388 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004389 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004390 bnx2x_init_internal_common(bp);
4391 /* no break */
4392
4393 case FW_MSG_CODE_DRV_LOAD_PORT:
4394 bnx2x_init_internal_port(bp);
4395 /* no break */
4396
4397 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004398 /* internal memory per function is
4399 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004400 break;
4401
4402 default:
4403 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4404 break;
4405 }
4406}
4407
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004408static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4409{
4410 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4411
4412 fp->state = BNX2X_FP_STATE_CLOSED;
4413
4414 fp->index = fp->cid = fp_idx;
4415 fp->cl_id = BP_L_ID(bp) + fp_idx;
4416 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4417 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4418 /* qZone id equals to FW (per path) client id */
4419 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004420 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4421 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004422 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004423 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4424 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004425 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4426 /* Setup SB indicies */
4427 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4428 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4429
4430 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4431 "cl_id %d fw_sb %d igu_sb %d\n",
4432 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4433 fp->igu_sb_id);
4434 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4435 fp->fw_sb_id, fp->igu_sb_id);
4436
4437 bnx2x_update_fpsb_idx(fp);
4438}
4439
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004440void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004441{
4442 int i;
4443
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004444 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004445 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004446#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004447 if (!NO_FCOE(bp))
4448 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004449
4450 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4451 BNX2X_VF_ID_INVALID, false,
4452 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4453
Michael Chan37b091b2009-10-10 13:46:55 +00004454#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004455
Eilon Greenstein16119782009-03-02 07:59:27 +00004456 /* ensure status block indices were read */
4457 rmb();
4458
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004459 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004460 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004461 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004462 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004463 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004464 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004465 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004466 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004467 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004468 bnx2x_stats_init(bp);
4469
4470 /* At this point, we are ready for interrupts */
4471 atomic_set(&bp->intr_sem, 0);
4472
4473 /* flush all before enabling interrupts */
4474 mb();
4475 mmiowb();
4476
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004477 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004478
4479 /* Check for SPIO5 */
4480 bnx2x_attn_int_deasserted0(bp,
4481 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4482 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004483}
4484
4485/* end of nic init */
4486
4487/*
4488 * gzip service functions
4489 */
4490
4491static int bnx2x_gunzip_init(struct bnx2x *bp)
4492{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004493 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4494 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004495 if (bp->gunzip_buf == NULL)
4496 goto gunzip_nomem1;
4497
4498 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4499 if (bp->strm == NULL)
4500 goto gunzip_nomem2;
4501
4502 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4503 GFP_KERNEL);
4504 if (bp->strm->workspace == NULL)
4505 goto gunzip_nomem3;
4506
4507 return 0;
4508
4509gunzip_nomem3:
4510 kfree(bp->strm);
4511 bp->strm = NULL;
4512
4513gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004514 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4515 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004516 bp->gunzip_buf = NULL;
4517
4518gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004519 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4520 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004521 return -ENOMEM;
4522}
4523
4524static void bnx2x_gunzip_end(struct bnx2x *bp)
4525{
4526 kfree(bp->strm->workspace);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004527 kfree(bp->strm);
4528 bp->strm = NULL;
4529
4530 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004531 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4532 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004533 bp->gunzip_buf = NULL;
4534 }
4535}
4536
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004537static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004538{
4539 int n, rc;
4540
4541 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004542 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4543 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004544 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004545 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004546
4547 n = 10;
4548
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004549#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004550
4551 if (zbuf[3] & FNAME)
4552 while ((zbuf[n++] != 0) && (n < len));
4553
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004554 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004555 bp->strm->avail_in = len - n;
4556 bp->strm->next_out = bp->gunzip_buf;
4557 bp->strm->avail_out = FW_BUF_SIZE;
4558
4559 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4560 if (rc != Z_OK)
4561 return rc;
4562
4563 rc = zlib_inflate(bp->strm, Z_FINISH);
4564 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004565 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4566 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004567
4568 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4569 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004570 netdev_err(bp->dev, "Firmware decompression error:"
4571 " gunzip_outlen (%d) not aligned\n",
4572 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004573 bp->gunzip_outlen >>= 2;
4574
4575 zlib_inflateEnd(bp->strm);
4576
4577 if (rc == Z_STREAM_END)
4578 return 0;
4579
4580 return rc;
4581}
4582
4583/* nic load/unload */
4584
4585/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004586 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004587 */
4588
4589/* send a NIG loopback debug packet */
4590static void bnx2x_lb_pckt(struct bnx2x *bp)
4591{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004592 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004593
4594 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004595 wb_write[0] = 0x55555555;
4596 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004597 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004598 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004599
4600 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004601 wb_write[0] = 0x09000000;
4602 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004603 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004604 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004605}
4606
4607/* some of the internal memories
4608 * are not directly readable from the driver
4609 * to test them we send debug packets
4610 */
4611static int bnx2x_int_mem_test(struct bnx2x *bp)
4612{
4613 int factor;
4614 int count, i;
4615 u32 val = 0;
4616
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004617 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004618 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004619 else if (CHIP_REV_IS_EMUL(bp))
4620 factor = 200;
4621 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004622 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004623
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004624 /* Disable inputs of parser neighbor blocks */
4625 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4626 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4627 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004628 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004629
4630 /* Write 0 to parser credits for CFC search request */
4631 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4632
4633 /* send Ethernet packet */
4634 bnx2x_lb_pckt(bp);
4635
4636 /* TODO do i reset NIG statistic? */
4637 /* Wait until NIG register shows 1 packet of size 0x10 */
4638 count = 1000 * factor;
4639 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004640
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004641 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4642 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004643 if (val == 0x10)
4644 break;
4645
4646 msleep(10);
4647 count--;
4648 }
4649 if (val != 0x10) {
4650 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4651 return -1;
4652 }
4653
4654 /* Wait until PRS register shows 1 packet */
4655 count = 1000 * factor;
4656 while (count) {
4657 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004658 if (val == 1)
4659 break;
4660
4661 msleep(10);
4662 count--;
4663 }
4664 if (val != 0x1) {
4665 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4666 return -2;
4667 }
4668
4669 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004670 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004671 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004672 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004673 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004674 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4675 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004676
4677 DP(NETIF_MSG_HW, "part2\n");
4678
4679 /* Disable inputs of parser neighbor blocks */
4680 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4681 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4682 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004683 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004684
4685 /* Write 0 to parser credits for CFC search request */
4686 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4687
4688 /* send 10 Ethernet packets */
4689 for (i = 0; i < 10; i++)
4690 bnx2x_lb_pckt(bp);
4691
4692 /* Wait until NIG register shows 10 + 1
4693 packets of size 11*0x10 = 0xb0 */
4694 count = 1000 * factor;
4695 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004696
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004697 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4698 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004699 if (val == 0xb0)
4700 break;
4701
4702 msleep(10);
4703 count--;
4704 }
4705 if (val != 0xb0) {
4706 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4707 return -3;
4708 }
4709
4710 /* Wait until PRS register shows 2 packets */
4711 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4712 if (val != 2)
4713 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4714
4715 /* Write 1 to parser credits for CFC search request */
4716 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4717
4718 /* Wait until PRS register shows 3 packets */
4719 msleep(10 * factor);
4720 /* Wait until NIG register shows 1 packet of size 0x10 */
4721 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4722 if (val != 3)
4723 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4724
4725 /* clear NIG EOP FIFO */
4726 for (i = 0; i < 11; i++)
4727 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4728 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4729 if (val != 1) {
4730 BNX2X_ERR("clear of NIG failed\n");
4731 return -4;
4732 }
4733
4734 /* Reset and init BRB, PRS, NIG */
4735 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4736 msleep(50);
4737 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4738 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004739 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4740 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004741#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004742 /* set NIC mode */
4743 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4744#endif
4745
4746 /* Enable inputs of parser neighbor blocks */
4747 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4748 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4749 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004750 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004751
4752 DP(NETIF_MSG_HW, "done\n");
4753
4754 return 0; /* OK */
4755}
4756
4757static void enable_blocks_attention(struct bnx2x *bp)
4758{
4759 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004760 if (CHIP_IS_E2(bp))
4761 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4762 else
4763 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004764 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4765 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004766 /*
4767 * mask read length error interrupts in brb for parser
4768 * (parsing unit and 'checksum and crc' unit)
4769 * these errors are legal (PU reads fixed length and CAC can cause
4770 * read length error on truncated packets)
4771 */
4772 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004773 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4774 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4775 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4776 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4777 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004778/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4779/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004780 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4781 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4782 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004783/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4784/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004785 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4786 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4787 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4788 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004789/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4790/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004791
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004792 if (CHIP_REV_IS_FPGA(bp))
4793 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004794 else if (CHIP_IS_E2(bp))
4795 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4796 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4797 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4798 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4799 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4800 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004801 else
4802 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004803 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4804 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4805 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004806/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4807/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004808 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4809 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004810/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
4811 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004812}
4813
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004814static const struct {
4815 u32 addr;
4816 u32 mask;
4817} bnx2x_parity_mask[] = {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004818 {PXP_REG_PXP_PRTY_MASK, 0x3ffffff},
4819 {PXP2_REG_PXP2_PRTY_MASK_0, 0xffffffff},
4820 {PXP2_REG_PXP2_PRTY_MASK_1, 0x7f},
4821 {HC_REG_HC_PRTY_MASK, 0x7},
4822 {MISC_REG_MISC_PRTY_MASK, 0x1},
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004823 {QM_REG_QM_PRTY_MASK, 0x0},
4824 {DORQ_REG_DORQ_PRTY_MASK, 0x0},
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004825 {GRCBASE_UPB + PB_REG_PB_PRTY_MASK, 0x0},
4826 {GRCBASE_XPB + PB_REG_PB_PRTY_MASK, 0x0},
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004827 {SRC_REG_SRC_PRTY_MASK, 0x4}, /* bit 2 */
4828 {CDU_REG_CDU_PRTY_MASK, 0x0},
4829 {CFC_REG_CFC_PRTY_MASK, 0x0},
4830 {DBG_REG_DBG_PRTY_MASK, 0x0},
4831 {DMAE_REG_DMAE_PRTY_MASK, 0x0},
4832 {BRB1_REG_BRB1_PRTY_MASK, 0x0},
4833 {PRS_REG_PRS_PRTY_MASK, (1<<6)},/* bit 6 */
4834 {TSDM_REG_TSDM_PRTY_MASK, 0x18}, /* bit 3,4 */
4835 {CSDM_REG_CSDM_PRTY_MASK, 0x8}, /* bit 3 */
4836 {USDM_REG_USDM_PRTY_MASK, 0x38}, /* bit 3,4,5 */
4837 {XSDM_REG_XSDM_PRTY_MASK, 0x8}, /* bit 3 */
4838 {TSEM_REG_TSEM_PRTY_MASK_0, 0x0},
4839 {TSEM_REG_TSEM_PRTY_MASK_1, 0x0},
4840 {USEM_REG_USEM_PRTY_MASK_0, 0x0},
4841 {USEM_REG_USEM_PRTY_MASK_1, 0x0},
4842 {CSEM_REG_CSEM_PRTY_MASK_0, 0x0},
4843 {CSEM_REG_CSEM_PRTY_MASK_1, 0x0},
4844 {XSEM_REG_XSEM_PRTY_MASK_0, 0x0},
4845 {XSEM_REG_XSEM_PRTY_MASK_1, 0x0}
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004846};
4847
4848static void enable_blocks_parity(struct bnx2x *bp)
4849{
Nikitas Angelinascbd9da72010-09-08 11:20:37 +00004850 int i;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004851
Nikitas Angelinascbd9da72010-09-08 11:20:37 +00004852 for (i = 0; i < ARRAY_SIZE(bnx2x_parity_mask); i++)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00004853 REG_WR(bp, bnx2x_parity_mask[i].addr,
4854 bnx2x_parity_mask[i].mask);
4855}
4856
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004857
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004858static void bnx2x_reset_common(struct bnx2x *bp)
4859{
4860 /* reset_common */
4861 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4862 0xd3ffff7f);
4863 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4864}
4865
Eilon Greenstein573f2032009-08-12 08:24:14 +00004866static void bnx2x_init_pxp(struct bnx2x *bp)
4867{
4868 u16 devctl;
4869 int r_order, w_order;
4870
4871 pci_read_config_word(bp->pdev,
4872 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4873 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4874 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4875 if (bp->mrrs == -1)
4876 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4877 else {
4878 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4879 r_order = bp->mrrs;
4880 }
4881
4882 bnx2x_init_pxp_arb(bp, r_order, w_order);
4883}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004884
4885static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4886{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004887 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004888 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004889 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004890
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004891 if (BP_NOMCP(bp))
4892 return;
4893
4894 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004895 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4896 SHARED_HW_CFG_FAN_FAILURE_MASK;
4897
4898 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4899 is_required = 1;
4900
4901 /*
4902 * The fan failure mechanism is usually related to the PHY type since
4903 * the power consumption of the board is affected by the PHY. Currently,
4904 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4905 */
4906 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4907 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004908 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004909 bnx2x_fan_failure_det_req(
4910 bp,
4911 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004912 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004913 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004914 }
4915
4916 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4917
4918 if (is_required == 0)
4919 return;
4920
4921 /* Fan failure is indicated by SPIO 5 */
4922 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4923 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4924
4925 /* set to active low mode */
4926 val = REG_RD(bp, MISC_REG_SPIO_INT);
4927 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004928 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004929 REG_WR(bp, MISC_REG_SPIO_INT, val);
4930
4931 /* enable interrupt to signal the IGU */
4932 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4933 val |= (1 << MISC_REGISTERS_SPIO_5);
4934 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4935}
4936
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004937static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4938{
4939 u32 offset = 0;
4940
4941 if (CHIP_IS_E1(bp))
4942 return;
4943 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4944 return;
4945
4946 switch (BP_ABS_FUNC(bp)) {
4947 case 0:
4948 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4949 break;
4950 case 1:
4951 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4952 break;
4953 case 2:
4954 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4955 break;
4956 case 3:
4957 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4958 break;
4959 case 4:
4960 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4961 break;
4962 case 5:
4963 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4964 break;
4965 case 6:
4966 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4967 break;
4968 case 7:
4969 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4970 break;
4971 default:
4972 return;
4973 }
4974
4975 REG_WR(bp, offset, pretend_func_num);
4976 REG_RD(bp, offset);
4977 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4978}
4979
4980static void bnx2x_pf_disable(struct bnx2x *bp)
4981{
4982 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4983 val &= ~IGU_PF_CONF_FUNC_EN;
4984
4985 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4986 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4987 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4988}
4989
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004990static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004991{
4992 u32 val, i;
4993
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004994 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004995
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004996 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004997 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4998 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4999
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005000 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005001 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005002 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005003
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005004 if (CHIP_IS_E2(bp)) {
5005 u8 fid;
5006
5007 /**
5008 * 4-port mode or 2-port mode we need to turn of master-enable
5009 * for everyone, after that, turn it back on for self.
5010 * so, we disregard multi-function or not, and always disable
5011 * for all functions on the given path, this means 0,2,4,6 for
5012 * path 0 and 1,3,5,7 for path 1
5013 */
5014 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
5015 if (fid == BP_ABS_FUNC(bp)) {
5016 REG_WR(bp,
5017 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
5018 1);
5019 continue;
5020 }
5021
5022 bnx2x_pretend_func(bp, fid);
5023 /* clear pf enable */
5024 bnx2x_pf_disable(bp);
5025 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5026 }
5027 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005028
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005029 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005030 if (CHIP_IS_E1(bp)) {
5031 /* enable HW interrupt from PXP on USDM overflow
5032 bit 16 on INT_MASK_0 */
5033 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005034 }
5035
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005036 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005037 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005038
5039#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005040 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5041 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5042 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5043 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5044 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005045 /* make sure this value is 0 */
5046 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005047
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005048/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5049 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5050 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5051 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5052 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005053#endif
5054
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005055 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5056
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005057 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5058 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005059
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005060 /* let the HW do it's magic ... */
5061 msleep(100);
5062 /* finish PXP init */
5063 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5064 if (val != 1) {
5065 BNX2X_ERR("PXP2 CFG failed\n");
5066 return -EBUSY;
5067 }
5068 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5069 if (val != 1) {
5070 BNX2X_ERR("PXP2 RD_INIT failed\n");
5071 return -EBUSY;
5072 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005073
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005074 /* Timers bug workaround E2 only. We need to set the entire ILT to
5075 * have entries with value "0" and valid bit on.
5076 * This needs to be done by the first PF that is loaded in a path
5077 * (i.e. common phase)
5078 */
5079 if (CHIP_IS_E2(bp)) {
5080 struct ilt_client_info ilt_cli;
5081 struct bnx2x_ilt ilt;
5082 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5083 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5084
5085 /* initalize dummy TM client */
5086 ilt_cli.start = 0;
5087 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5088 ilt_cli.client_num = ILT_CLIENT_TM;
5089
5090 /* Step 1: set zeroes to all ilt page entries with valid bit on
5091 * Step 2: set the timers first/last ilt entry to point
5092 * to the entire range to prevent ILT range error for 3rd/4th
5093 * vnic (this code assumes existance of the vnic)
5094 *
5095 * both steps performed by call to bnx2x_ilt_client_init_op()
5096 * with dummy TM client
5097 *
5098 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5099 * and his brother are split registers
5100 */
5101 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5102 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5103 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5104
5105 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5106 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5107 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5108 }
5109
5110
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005111 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5112 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005113
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005114 if (CHIP_IS_E2(bp)) {
5115 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5116 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5117 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5118
5119 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5120
5121 /* let the HW do it's magic ... */
5122 do {
5123 msleep(200);
5124 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5125 } while (factor-- && (val != 1));
5126
5127 if (val != 1) {
5128 BNX2X_ERR("ATC_INIT failed\n");
5129 return -EBUSY;
5130 }
5131 }
5132
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005133 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005134
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005135 /* clean the DMAE memory */
5136 bp->dmae_ready = 1;
5137 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005138
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005139 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5140 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5141 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5142 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005143
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005144 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5145 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5146 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5147 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5148
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005149 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005150
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005151 if (CHIP_MODE_IS_4_PORT(bp))
5152 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005153
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005154 /* QM queues pointers table */
5155 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005156
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005157 /* soft reset pulse */
5158 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5159 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005160
Michael Chan37b091b2009-10-10 13:46:55 +00005161#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005162 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005163#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005164
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005165 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005166 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5167
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005168 if (!CHIP_REV_IS_SLOW(bp)) {
5169 /* enable hw interrupt from doorbell Q */
5170 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5171 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005172
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005173 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005174 if (CHIP_MODE_IS_4_PORT(bp)) {
5175 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5176 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5177 }
5178
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005179 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005180 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005181#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005182 /* set NIC mode */
5183 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005184#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005185 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005186 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005187
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005188 if (CHIP_IS_E2(bp)) {
5189 /* Bit-map indicating which L2 hdrs may appear after the
5190 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005191 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005192 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5193 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5194 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005195
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005196 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5197 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5198 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5199 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005200
Eilon Greensteinca003922009-08-12 22:53:28 -07005201 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5202 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5203 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5204 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005205
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005206 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5207 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5208 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5209 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005210
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005211 if (CHIP_MODE_IS_4_PORT(bp))
5212 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5213
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005214 /* sync semi rtc */
5215 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5216 0x80000000);
5217 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5218 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005219
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005220 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5221 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5222 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005223
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005224 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005225 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005226 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5227 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5228 }
5229
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005230 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005231 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5232 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005233
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005234 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005235#ifdef BCM_CNIC
5236 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5237 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5238 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5239 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5240 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5241 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5242 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5243 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5244 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5245 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5246#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005247 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005248
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005249 if (sizeof(union cdu_context) != 1024)
5250 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005251 dev_alert(&bp->pdev->dev, "please adjust the size "
5252 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005253 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005254
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005255 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005256 val = (4 << 24) + (0 << 12) + 1024;
5257 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005258
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005259 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005260 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005261 /* enable context validation interrupt from CFC */
5262 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5263
5264 /* set the thresholds to prevent CFC/CDU race */
5265 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005266
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005267 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005268
5269 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5270 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5271
5272 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005273 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005274
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005275 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005276 /* Reset PCIE errors for debug */
5277 REG_WR(bp, 0x2814, 0xffffffff);
5278 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005279
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005280 if (CHIP_IS_E2(bp)) {
5281 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5282 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5283 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5284 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5285 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5286 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5287 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5288 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5289 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5290 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5291 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5292 }
5293
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005294 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005295 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005296 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005297 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005298
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005299 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005300 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005301 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005302 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005303 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005304 if (CHIP_IS_E2(bp)) {
5305 /* Bit-map indicating which L2 hdrs may appear after the
5306 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005307 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005308 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005309
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005310 if (CHIP_REV_IS_SLOW(bp))
5311 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005312
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005313 /* finish CFC init */
5314 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5315 if (val != 1) {
5316 BNX2X_ERR("CFC LL_INIT failed\n");
5317 return -EBUSY;
5318 }
5319 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5320 if (val != 1) {
5321 BNX2X_ERR("CFC AC_INIT failed\n");
5322 return -EBUSY;
5323 }
5324 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5325 if (val != 1) {
5326 BNX2X_ERR("CFC CAM_INIT failed\n");
5327 return -EBUSY;
5328 }
5329 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005330
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005331 if (CHIP_IS_E1(bp)) {
5332 /* read NIG statistic
5333 to see if this is our first up since powerup */
5334 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5335 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005336
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005337 /* do internal memory self test */
5338 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5339 BNX2X_ERR("internal mem self test failed\n");
5340 return -EBUSY;
5341 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005342 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005343
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005344 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005345 bp->common.shmem_base,
5346 bp->common.shmem2_base);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005347
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005348 bnx2x_setup_fan_failure_detection(bp);
5349
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005350 /* clear PXP2 attentions */
5351 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005352
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005353 enable_blocks_attention(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00005354 if (CHIP_PARITY_SUPPORTED(bp))
5355 enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005356
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005357 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005358 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5359 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5360 CHIP_IS_E1x(bp)) {
5361 u32 shmem_base[2], shmem2_base[2];
5362 shmem_base[0] = bp->common.shmem_base;
5363 shmem2_base[0] = bp->common.shmem2_base;
5364 if (CHIP_IS_E2(bp)) {
5365 shmem_base[1] =
5366 SHMEM2_RD(bp, other_shmem_base_addr);
5367 shmem2_base[1] =
5368 SHMEM2_RD(bp, other_shmem2_base_addr);
5369 }
5370 bnx2x_acquire_phy_lock(bp);
5371 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5372 bp->common.chip_id);
5373 bnx2x_release_phy_lock(bp);
5374 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005375 } else
5376 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5377
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005378 return 0;
5379}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005380
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005381static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005382{
5383 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005384 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005385 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005386 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005387
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005388 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005389
5390 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005391
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005392 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005393 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005394
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005395 /* Timers bug workaround: disables the pf_master bit in pglue at
5396 * common phase, we need to enable it here before any dmae access are
5397 * attempted. Therefore we manually added the enable-master to the
5398 * port phase (it also happens in the function phase)
5399 */
5400 if (CHIP_IS_E2(bp))
5401 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5402
Eilon Greensteinca003922009-08-12 22:53:28 -07005403 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5404 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5405 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005406 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005407
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005408 /* QM cid (connection) count */
5409 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005410
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005411#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005412 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005413 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5414 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005415#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005416
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005417 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005418
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005419 if (CHIP_MODE_IS_4_PORT(bp))
5420 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005421
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005422 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5423 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5424 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5425 /* no pause for emulation and FPGA */
5426 low = 0;
5427 high = 513;
5428 } else {
5429 if (IS_MF(bp))
5430 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5431 else if (bp->dev->mtu > 4096) {
5432 if (bp->flags & ONE_PORT_FLAG)
5433 low = 160;
5434 else {
5435 val = bp->dev->mtu;
5436 /* (24*1024 + val*4)/256 */
5437 low = 96 + (val/64) +
5438 ((val % 64) ? 1 : 0);
5439 }
5440 } else
5441 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5442 high = low + 56; /* 14*1024/256 */
5443 }
5444 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5445 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5446 }
5447
5448 if (CHIP_MODE_IS_4_PORT(bp)) {
5449 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5450 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5451 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5452 BRB1_REG_MAC_GUARANTIED_0), 40);
5453 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005454
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005455 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005456
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005457 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005458 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005459 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005460 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005461
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005462 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5463 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5464 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5465 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005466 if (CHIP_MODE_IS_4_PORT(bp))
5467 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005468
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005469 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005470 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005471
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005472 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005473
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005474 if (!CHIP_IS_E2(bp)) {
5475 /* configure PBF to work without PAUSE mtu 9000 */
5476 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005477
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005478 /* update threshold */
5479 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5480 /* update init credit */
5481 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005482
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005483 /* probe changes */
5484 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5485 udelay(50);
5486 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5487 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005488
Michael Chan37b091b2009-10-10 13:46:55 +00005489#ifdef BCM_CNIC
5490 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005491#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005492 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005493 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005494
5495 if (CHIP_IS_E1(bp)) {
5496 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5497 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5498 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005499 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005500
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005501 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5502
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005503 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005504 /* init aeu_mask_attn_func_0/1:
5505 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5506 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5507 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005508 val = IS_MF(bp) ? 0xF7 : 0x7;
5509 /* Enable DCBX attention for all but E1 */
5510 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5511 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005512
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005513 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005514 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005515 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005516 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005517 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005518
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005519 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005520
5521 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5522
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005523 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005524 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005525 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005526 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005527
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005528 if (CHIP_IS_E2(bp)) {
5529 val = 0;
5530 switch (bp->mf_mode) {
5531 case MULTI_FUNCTION_SD:
5532 val = 1;
5533 break;
5534 case MULTI_FUNCTION_SI:
5535 val = 2;
5536 break;
5537 }
5538
5539 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5540 NIG_REG_LLH0_CLS_TYPE), val);
5541 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005542 {
5543 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5544 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5545 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5546 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005547 }
5548
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005549 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005550 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005551 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005552 bp->common.shmem_base,
5553 bp->common.shmem2_base);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005554 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005555 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005556 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5557 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5558 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005559 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005560 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005561 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005562 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005563
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005564 return 0;
5565}
5566
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005567static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5568{
5569 int reg;
5570
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005571 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005572 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005573 else
5574 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005575
5576 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5577}
5578
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005579static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5580{
5581 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5582}
5583
5584static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5585{
5586 u32 i, base = FUNC_ILT_BASE(func);
5587 for (i = base; i < base + ILT_PER_FUNC; i++)
5588 bnx2x_ilt_wr(bp, i, 0);
5589}
5590
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005591static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005592{
5593 int port = BP_PORT(bp);
5594 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005595 struct bnx2x_ilt *ilt = BP_ILT(bp);
5596 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005597 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005598 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5599 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005600
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005601 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005602
Eilon Greenstein8badd272009-02-12 08:36:15 +00005603 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005604 if (bp->common.int_block == INT_BLOCK_HC) {
5605 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5606 val = REG_RD(bp, addr);
5607 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5608 REG_WR(bp, addr, val);
5609 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005610
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005611 ilt = BP_ILT(bp);
5612 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005613
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005614 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5615 ilt->lines[cdu_ilt_start + i].page =
5616 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5617 ilt->lines[cdu_ilt_start + i].page_mapping =
5618 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5619 /* cdu ilt pages are allocated manually so there's no need to
5620 set the size */
5621 }
5622 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005623
Michael Chan37b091b2009-10-10 13:46:55 +00005624#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005625 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005626
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005627 /* T1 hash bits value determines the T1 number of entries */
5628 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005629#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005630
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005631#ifndef BCM_CNIC
5632 /* set NIC mode */
5633 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5634#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005635
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005636 if (CHIP_IS_E2(bp)) {
5637 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5638
5639 /* Turn on a single ISR mode in IGU if driver is going to use
5640 * INT#x or MSI
5641 */
5642 if (!(bp->flags & USING_MSIX_FLAG))
5643 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5644 /*
5645 * Timers workaround bug: function init part.
5646 * Need to wait 20msec after initializing ILT,
5647 * needed to make sure there are no requests in
5648 * one of the PXP internal queues with "old" ILT addresses
5649 */
5650 msleep(20);
5651 /*
5652 * Master enable - Due to WB DMAE writes performed before this
5653 * register is re-initialized as part of the regular function
5654 * init
5655 */
5656 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5657 /* Enable the function in IGU */
5658 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5659 }
5660
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005661 bp->dmae_ready = 1;
5662
5663 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5664
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005665 if (CHIP_IS_E2(bp))
5666 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5667
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005668 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5669 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5670 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5671 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5672 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5673 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5674 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5675 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5676 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5677
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005678 if (CHIP_IS_E2(bp)) {
5679 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5680 BP_PATH(bp));
5681 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5682 BP_PATH(bp));
5683 }
5684
5685 if (CHIP_MODE_IS_4_PORT(bp))
5686 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5687
5688 if (CHIP_IS_E2(bp))
5689 REG_WR(bp, QM_REG_PF_EN, 1);
5690
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005691 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005692
5693 if (CHIP_MODE_IS_4_PORT(bp))
5694 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5695
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005696 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5697 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5698 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5699 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5700 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5701 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5702 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5703 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5704 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5705 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5706 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005707 if (CHIP_IS_E2(bp))
5708 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5709
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005710 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5711
5712 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5713
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005714 if (CHIP_IS_E2(bp))
5715 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5716
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005717 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005718 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005719 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005720 }
5721
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005722 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5723
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005724 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005725 if (bp->common.int_block == INT_BLOCK_HC) {
5726 if (CHIP_IS_E1H(bp)) {
5727 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5728
5729 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5730 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5731 }
5732 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5733
5734 } else {
5735 int num_segs, sb_idx, prod_offset;
5736
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005737 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5738
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005739 if (CHIP_IS_E2(bp)) {
5740 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5741 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5742 }
5743
5744 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5745
5746 if (CHIP_IS_E2(bp)) {
5747 int dsb_idx = 0;
5748 /**
5749 * Producer memory:
5750 * E2 mode: address 0-135 match to the mapping memory;
5751 * 136 - PF0 default prod; 137 - PF1 default prod;
5752 * 138 - PF2 default prod; 139 - PF3 default prod;
5753 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5754 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5755 * 144-147 reserved.
5756 *
5757 * E1.5 mode - In backward compatible mode;
5758 * for non default SB; each even line in the memory
5759 * holds the U producer and each odd line hold
5760 * the C producer. The first 128 producers are for
5761 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5762 * producers are for the DSB for each PF.
5763 * Each PF has five segments: (the order inside each
5764 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5765 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5766 * 144-147 attn prods;
5767 */
5768 /* non-default-status-blocks */
5769 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5770 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5771 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5772 prod_offset = (bp->igu_base_sb + sb_idx) *
5773 num_segs;
5774
5775 for (i = 0; i < num_segs; i++) {
5776 addr = IGU_REG_PROD_CONS_MEMORY +
5777 (prod_offset + i) * 4;
5778 REG_WR(bp, addr, 0);
5779 }
5780 /* send consumer update with value 0 */
5781 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5782 USTORM_ID, 0, IGU_INT_NOP, 1);
5783 bnx2x_igu_clear_sb(bp,
5784 bp->igu_base_sb + sb_idx);
5785 }
5786
5787 /* default-status-blocks */
5788 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5789 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5790
5791 if (CHIP_MODE_IS_4_PORT(bp))
5792 dsb_idx = BP_FUNC(bp);
5793 else
5794 dsb_idx = BP_E1HVN(bp);
5795
5796 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5797 IGU_BC_BASE_DSB_PROD + dsb_idx :
5798 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5799
5800 for (i = 0; i < (num_segs * E1HVN_MAX);
5801 i += E1HVN_MAX) {
5802 addr = IGU_REG_PROD_CONS_MEMORY +
5803 (prod_offset + i)*4;
5804 REG_WR(bp, addr, 0);
5805 }
5806 /* send consumer update with 0 */
5807 if (CHIP_INT_MODE_IS_BC(bp)) {
5808 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5809 USTORM_ID, 0, IGU_INT_NOP, 1);
5810 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5811 CSTORM_ID, 0, IGU_INT_NOP, 1);
5812 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5813 XSTORM_ID, 0, IGU_INT_NOP, 1);
5814 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5815 TSTORM_ID, 0, IGU_INT_NOP, 1);
5816 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5817 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5818 } else {
5819 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5820 USTORM_ID, 0, IGU_INT_NOP, 1);
5821 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5822 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5823 }
5824 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5825
5826 /* !!! these should become driver const once
5827 rf-tool supports split-68 const */
5828 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5829 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5830 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5831 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5832 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5833 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5834 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005835 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005836
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005837 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005838 REG_WR(bp, 0x2114, 0xffffffff);
5839 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005840
5841 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5842 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5843 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5844 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5845 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5846 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5847
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005848 if (CHIP_IS_E1x(bp)) {
5849 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5850 main_mem_base = HC_REG_MAIN_MEMORY +
5851 BP_PORT(bp) * (main_mem_size * 4);
5852 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5853 main_mem_width = 8;
5854
5855 val = REG_RD(bp, main_mem_prty_clr);
5856 if (val)
5857 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5858 "block during "
5859 "function init (0x%x)!\n", val);
5860
5861 /* Clear "false" parity errors in MSI-X table */
5862 for (i = main_mem_base;
5863 i < main_mem_base + main_mem_size * 4;
5864 i += main_mem_width) {
5865 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5866 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5867 i, main_mem_width / 4);
5868 }
5869 /* Clear HC parity attention */
5870 REG_RD(bp, main_mem_prty_clr);
5871 }
5872
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005873 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005874
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005875 return 0;
5876}
5877
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005878int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005879{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005880 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005881
5882 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005883 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005884
5885 bp->dmae_ready = 0;
5886 mutex_init(&bp->dmae_mutex);
Eilon Greenstein54016b22009-08-12 08:23:48 +00005887 rc = bnx2x_gunzip_init(bp);
5888 if (rc)
5889 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005890
5891 switch (load_code) {
5892 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005893 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005894 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005895 if (rc)
5896 goto init_hw_err;
5897 /* no break */
5898
5899 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005900 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005901 if (rc)
5902 goto init_hw_err;
5903 /* no break */
5904
5905 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005906 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005907 if (rc)
5908 goto init_hw_err;
5909 break;
5910
5911 default:
5912 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5913 break;
5914 }
5915
5916 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005917 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005918
5919 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005920 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005921 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005922 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5923 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005924
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005925init_hw_err:
5926 bnx2x_gunzip_end(bp);
5927
5928 return rc;
5929}
5930
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005931void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005932{
5933
5934#define BNX2X_PCI_FREE(x, y, size) \
5935 do { \
5936 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005937 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005938 x = NULL; \
5939 y = 0; \
5940 } \
5941 } while (0)
5942
5943#define BNX2X_FREE(x) \
5944 do { \
5945 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005946 kfree((void *)x); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005947 x = NULL; \
5948 } \
5949 } while (0)
5950
5951 int i;
5952
5953 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005954 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005955 for_each_queue(bp, i) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005956#ifdef BCM_CNIC
5957 /* FCoE client uses default status block */
5958 if (IS_FCOE_IDX(i)) {
5959 union host_hc_status_block *sb =
5960 &bnx2x_fp(bp, i, status_blk);
5961 memset(sb, 0, sizeof(union host_hc_status_block));
5962 bnx2x_fp(bp, i, status_blk_mapping) = 0;
5963 } else {
5964#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005965 /* status blocks */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005966 if (CHIP_IS_E2(bp))
5967 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
5968 bnx2x_fp(bp, i, status_blk_mapping),
5969 sizeof(struct host_hc_status_block_e2));
5970 else
5971 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
5972 bnx2x_fp(bp, i, status_blk_mapping),
5973 sizeof(struct host_hc_status_block_e1x));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005974#ifdef BCM_CNIC
5975 }
5976#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005977 }
5978 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005979 for_each_rx_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005981 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005982 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5983 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5984 bnx2x_fp(bp, i, rx_desc_mapping),
5985 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5986
5987 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5988 bnx2x_fp(bp, i, rx_comp_mapping),
5989 sizeof(struct eth_fast_path_rx_cqe) *
5990 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005991
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005992 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005993 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005994 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5995 bnx2x_fp(bp, i, rx_sge_mapping),
5996 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5997 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005998 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005999 for_each_tx_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006000
6001 /* fastpath tx rings: tx_buf tx_desc */
6002 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
6003 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
6004 bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07006005 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006006 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006007 /* end of fastpath */
6008
6009 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006010 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006011
6012 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006013 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006014
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006015 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
6016 bp->context.size);
6017
6018 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
6019
6020 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006021
Michael Chan37b091b2009-10-10 13:46:55 +00006022#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006023 if (CHIP_IS_E2(bp))
6024 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
6025 sizeof(struct host_hc_status_block_e2));
6026 else
6027 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
6028 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006029
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006030 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006031#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006032
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006033 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006034
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006035 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
6036 BCM_PAGE_SIZE * NUM_EQ_PAGES);
6037
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006038#undef BNX2X_PCI_FREE
6039#undef BNX2X_KFREE
6040}
6041
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006042static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
6043{
6044 union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
6045 if (CHIP_IS_E2(bp)) {
6046 bnx2x_fp(bp, index, sb_index_values) =
6047 (__le16 *)status_blk.e2_sb->sb.index_values;
6048 bnx2x_fp(bp, index, sb_running_index) =
6049 (__le16 *)status_blk.e2_sb->sb.running_index;
6050 } else {
6051 bnx2x_fp(bp, index, sb_index_values) =
6052 (__le16 *)status_blk.e1x_sb->sb.index_values;
6053 bnx2x_fp(bp, index, sb_running_index) =
6054 (__le16 *)status_blk.e1x_sb->sb.running_index;
6055 }
6056}
6057
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006058int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006059{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006060#define BNX2X_PCI_ALLOC(x, y, size) \
6061 do { \
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006062 x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006063 if (x == NULL) \
6064 goto alloc_mem_err; \
6065 memset(x, 0, size); \
6066 } while (0)
6067
6068#define BNX2X_ALLOC(x, size) \
6069 do { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006070 x = kzalloc(size, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006071 if (x == NULL) \
6072 goto alloc_mem_err; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006073 } while (0)
6074
6075 int i;
6076
6077 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006078 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006079 for_each_queue(bp, i) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006080 union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006081 bnx2x_fp(bp, i, bp) = bp;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006082 /* status blocks */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006083#ifdef BCM_CNIC
6084 if (!IS_FCOE_IDX(i)) {
6085#endif
6086 if (CHIP_IS_E2(bp))
6087 BNX2X_PCI_ALLOC(sb->e2_sb,
6088 &bnx2x_fp(bp, i, status_blk_mapping),
6089 sizeof(struct host_hc_status_block_e2));
6090 else
6091 BNX2X_PCI_ALLOC(sb->e1x_sb,
6092 &bnx2x_fp(bp, i, status_blk_mapping),
6093 sizeof(struct host_hc_status_block_e1x));
6094#ifdef BCM_CNIC
6095 }
6096#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006097 set_sb_shortcuts(bp, i);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006098 }
6099 /* Rx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006100 for_each_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006101
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006102 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006103 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
6104 sizeof(struct sw_rx_bd) * NUM_RX_BD);
6105 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
6106 &bnx2x_fp(bp, i, rx_desc_mapping),
6107 sizeof(struct eth_rx_bd) * NUM_RX_BD);
6108
6109 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
6110 &bnx2x_fp(bp, i, rx_comp_mapping),
6111 sizeof(struct eth_fast_path_rx_cqe) *
6112 NUM_RCQ_BD);
6113
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006114 /* SGE ring */
6115 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
6116 sizeof(struct sw_rx_page) * NUM_RX_SGE);
6117 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
6118 &bnx2x_fp(bp, i, rx_sge_mapping),
6119 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006120 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006121 /* Tx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006122 for_each_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006123
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006124 /* fastpath tx rings: tx_buf tx_desc */
6125 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
6126 sizeof(struct sw_tx_bd) * NUM_TX_BD);
6127 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
6128 &bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07006129 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006130 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006131 /* end of fastpath */
6132
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006133#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006134 if (CHIP_IS_E2(bp))
6135 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
6136 sizeof(struct host_hc_status_block_e2));
6137 else
6138 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
6139 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006140
6141 /* allocate searcher T2 table */
6142 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
6143#endif
6144
6145
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006146 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006147 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006148
6149 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
6150 sizeof(struct bnx2x_slowpath));
6151
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006152 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006153
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006154 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
6155 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006156
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006157 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006158
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006159 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
6160 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006161
6162 /* Slow path ring */
6163 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6164
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006165 /* EQ */
6166 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
6167 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006168 return 0;
6169
6170alloc_mem_err:
6171 bnx2x_free_mem(bp);
6172 return -ENOMEM;
6173
6174#undef BNX2X_PCI_ALLOC
6175#undef BNX2X_ALLOC
6176}
6177
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006178/*
6179 * Init service functions
6180 */
stephen hemminger8d962862010-10-21 07:50:56 +00006181static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6182 int *state_p, int flags);
6183
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006184int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006185{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006186 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006187
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006188 /* Wait for completion */
6189 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6190 WAIT_RAMROD_COMMON);
6191}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006192
stephen hemminger8d962862010-10-21 07:50:56 +00006193static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006194{
6195 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006196
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006197 /* Wait for completion */
6198 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6199 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006200}
6201
Michael Chane665bfd2009-10-10 13:46:54 +00006202/**
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006203 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
Michael Chane665bfd2009-10-10 13:46:54 +00006204 *
6205 * @param bp driver descriptor
6206 * @param set set or clear an entry (1 or 0)
6207 * @param mac pointer to a buffer containing a MAC
6208 * @param cl_bit_vec bit vector of clients to register a MAC for
6209 * @param cam_offset offset in a CAM to use
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006210 * @param is_bcast is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006211 */
Joe Perches215faf92010-12-21 02:16:10 -08006212static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006213 u32 cl_bit_vec, u8 cam_offset,
6214 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006215{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006216 struct mac_configuration_cmd *config =
6217 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6218 int ramrod_flags = WAIT_RAMROD_COMMON;
6219
6220 bp->set_mac_pending = 1;
6221 smp_wmb();
6222
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006223 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006224 config->hdr.offset = cam_offset;
6225 config->hdr.client_id = 0xff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006226 config->hdr.reserved1 = 0;
6227
6228 /* primary MAC */
6229 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006230 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006231 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006232 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006233 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006234 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006235 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006236 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006237 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006238 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006239 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006240 SET_FLAG(config->config_table[0].flags,
6241 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6242 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006243 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006244 SET_FLAG(config->config_table[0].flags,
6245 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6246 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006247
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006248 if (is_bcast)
6249 SET_FLAG(config->config_table[0].flags,
6250 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6251
6252 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006253 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006254 config->config_table[0].msb_mac_addr,
6255 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006256 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006257
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006258 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006259 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006260 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6261
6262 /* Wait for a completion */
6263 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006264}
6265
stephen hemminger8d962862010-10-21 07:50:56 +00006266static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6267 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006268{
6269 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006270 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006271 u8 poll = flags & WAIT_RAMROD_POLL;
6272 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006273
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006274 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6275 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006276
6277 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006278 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006279 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006280 if (common)
6281 bnx2x_eq_int(bp);
6282 else {
6283 bnx2x_rx_int(bp->fp, 10);
6284 /* if index is different from 0
6285 * the reply for some commands will
6286 * be on the non default queue
6287 */
6288 if (idx)
6289 bnx2x_rx_int(&bp->fp[idx], 10);
6290 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006291 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006292
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006293 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006294 if (*state_p == state) {
6295#ifdef BNX2X_STOP_ON_ERROR
6296 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6297#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006298 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006299 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006300
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006301 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006302
6303 if (bp->panic)
6304 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006305 }
6306
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006307 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006308 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6309 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006310#ifdef BNX2X_STOP_ON_ERROR
6311 bnx2x_panic();
6312#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006313
Eliezer Tamir49d66772008-02-28 11:53:13 -08006314 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006315}
6316
stephen hemminger8d962862010-10-21 07:50:56 +00006317static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006318{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006319 if (CHIP_IS_E1H(bp))
6320 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6321 else if (CHIP_MODE_IS_4_PORT(bp))
6322 return BP_FUNC(bp) * 32 + rel_offset;
6323 else
6324 return BP_VN(bp) * 32 + rel_offset;
Michael Chane665bfd2009-10-10 13:46:54 +00006325}
6326
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006327/**
6328 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6329 * relevant. In addition, current implementation is tuned for a
6330 * single ETH MAC.
6331 *
6332 * When multiple unicast ETH MACs PF configuration in switch
6333 * independent mode is required (NetQ, multiple netdev MACs,
6334 * etc.), consider better utilisation of 16 per function MAC
6335 * entries in the LLH memory.
6336 */
6337enum {
6338 LLH_CAM_ISCSI_ETH_LINE = 0,
6339 LLH_CAM_ETH_LINE,
6340 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6341};
6342
6343static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6344 int set,
6345 unsigned char *dev_addr,
6346 int index)
6347{
6348 u32 wb_data[2];
6349 u32 mem_offset, ena_offset, mem_index;
6350 /**
6351 * indexes mapping:
6352 * 0..7 - goes to MEM
6353 * 8..15 - goes to MEM2
6354 */
6355
6356 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6357 return;
6358
6359 /* calculate memory start offset according to the mapping
6360 * and index in the memory */
6361 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6362 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6363 NIG_REG_LLH0_FUNC_MEM;
6364 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6365 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6366 mem_index = index;
6367 } else {
6368 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6369 NIG_REG_P0_LLH_FUNC_MEM2;
6370 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6371 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6372 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6373 }
6374
6375 if (set) {
6376 /* LLH_FUNC_MEM is a u64 WB register */
6377 mem_offset += 8*mem_index;
6378
6379 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6380 (dev_addr[4] << 8) | dev_addr[5]);
6381 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6382
6383 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6384 }
6385
6386 /* enable/disable the entry */
6387 REG_WR(bp, ena_offset + 4*mem_index, set);
6388
6389}
6390
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006391void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006392{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006393 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6394 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6395
6396 /* networking MAC */
6397 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6398 (1 << bp->fp->cl_id), cam_offset , 0);
6399
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006400 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6401
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006402 if (CHIP_IS_E1(bp)) {
6403 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006404 static const u8 bcast[ETH_ALEN] = {
6405 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6406 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006407 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6408 }
6409}
6410static void bnx2x_set_e1_mc_list(struct bnx2x *bp, u8 offset)
6411{
6412 int i = 0, old;
6413 struct net_device *dev = bp->dev;
6414 struct netdev_hw_addr *ha;
6415 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6416 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6417
6418 netdev_for_each_mc_addr(ha, dev) {
6419 /* copy mac */
6420 config_cmd->config_table[i].msb_mac_addr =
6421 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6422 config_cmd->config_table[i].middle_mac_addr =
6423 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6424 config_cmd->config_table[i].lsb_mac_addr =
6425 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6426
6427 config_cmd->config_table[i].vlan_id = 0;
6428 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6429 config_cmd->config_table[i].clients_bit_vector =
6430 cpu_to_le32(1 << BP_L_ID(bp));
6431
6432 SET_FLAG(config_cmd->config_table[i].flags,
6433 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6434 T_ETH_MAC_COMMAND_SET);
6435
6436 DP(NETIF_MSG_IFUP,
6437 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6438 config_cmd->config_table[i].msb_mac_addr,
6439 config_cmd->config_table[i].middle_mac_addr,
6440 config_cmd->config_table[i].lsb_mac_addr);
6441 i++;
6442 }
6443 old = config_cmd->hdr.length;
6444 if (old > i) {
6445 for (; i < old; i++) {
6446 if (CAM_IS_INVALID(config_cmd->
6447 config_table[i])) {
6448 /* already invalidated */
6449 break;
6450 }
6451 /* invalidate */
6452 SET_FLAG(config_cmd->config_table[i].flags,
6453 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6454 T_ETH_MAC_COMMAND_INVALIDATE);
6455 }
6456 }
6457
6458 config_cmd->hdr.length = i;
6459 config_cmd->hdr.offset = offset;
6460 config_cmd->hdr.client_id = 0xff;
6461 config_cmd->hdr.reserved1 = 0;
6462
6463 bp->set_mac_pending = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006464 smp_wmb();
6465
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006466 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6467 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6468}
6469static void bnx2x_invlidate_e1_mc_list(struct bnx2x *bp)
6470{
6471 int i;
6472 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6473 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6474 int ramrod_flags = WAIT_RAMROD_COMMON;
6475
6476 bp->set_mac_pending = 1;
6477 smp_wmb();
6478
6479 for (i = 0; i < config_cmd->hdr.length; i++)
6480 SET_FLAG(config_cmd->config_table[i].flags,
6481 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6482 T_ETH_MAC_COMMAND_INVALIDATE);
6483
6484 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6485 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006486
6487 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006488 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6489 ramrod_flags);
6490
Michael Chane665bfd2009-10-10 13:46:54 +00006491}
6492
Michael Chan993ac7b2009-10-10 13:46:56 +00006493#ifdef BCM_CNIC
6494/**
6495 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
6496 * MAC(s). This function will wait until the ramdord completion
6497 * returns.
6498 *
6499 * @param bp driver handle
6500 * @param set set or clear the CAM entry
6501 *
6502 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6503 */
stephen hemminger8d962862010-10-21 07:50:56 +00006504static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006505{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006506 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6507 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006508 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6509 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006510 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Michael Chan993ac7b2009-10-10 13:46:56 +00006511
6512 /* Send a SET_MAC ramrod */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006513 bnx2x_set_mac_addr_gen(bp, set, bp->iscsi_mac, cl_bit_vec,
6514 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006515
6516 bnx2x_set_mac_in_nig(bp, set, bp->iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006517
6518 return 0;
6519}
6520
6521/**
6522 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
6523 * ETH MAC(s). This function will wait until the ramdord
6524 * completion returns.
6525 *
6526 * @param bp driver handle
6527 * @param set set or clear the CAM entry
6528 *
6529 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6530 */
6531int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6532{
6533 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6534 /**
6535 * CAM allocation for E1H
6536 * eth unicasts: by func number
6537 * iscsi: by func number
6538 * fip unicast: by func number
6539 * fip multicast: by func number
6540 */
6541 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6542 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6543
6544 return 0;
6545}
6546
6547int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6548{
6549 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6550
6551 /**
6552 * CAM allocation for E1H
6553 * eth unicasts: by func number
6554 * iscsi: by func number
6555 * fip unicast: by func number
6556 * fip multicast: by func number
6557 */
6558 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6559 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6560
Michael Chan993ac7b2009-10-10 13:46:56 +00006561 return 0;
6562}
6563#endif
6564
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006565static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6566 struct bnx2x_client_init_params *params,
6567 u8 activate,
6568 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006569{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006570 /* Clear the buffer */
6571 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006572
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006573 /* general */
6574 data->general.client_id = params->rxq_params.cl_id;
6575 data->general.statistics_counter_id = params->rxq_params.stat_id;
6576 data->general.statistics_en_flg =
6577 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006578 data->general.is_fcoe_flg =
6579 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006580 data->general.activate_flg = activate;
6581 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006582
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006583 /* Rx data */
6584 data->rx.tpa_en_flg =
6585 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6586 data->rx.vmqueue_mode_en_flg = 0;
6587 data->rx.cache_line_alignment_log_size =
6588 params->rxq_params.cache_line_log;
6589 data->rx.enable_dynamic_hc =
6590 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6591 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6592 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6593 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6594
6595 /* We don't set drop flags */
6596 data->rx.drop_ip_cs_err_flg = 0;
6597 data->rx.drop_tcp_cs_err_flg = 0;
6598 data->rx.drop_ttl0_flg = 0;
6599 data->rx.drop_udp_cs_err_flg = 0;
6600
6601 data->rx.inner_vlan_removal_enable_flg =
6602 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6603 data->rx.outer_vlan_removal_enable_flg =
6604 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6605 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6606 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6607 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6608 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6609 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6610 data->rx.bd_page_base.lo =
6611 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6612 data->rx.bd_page_base.hi =
6613 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6614 data->rx.sge_page_base.lo =
6615 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6616 data->rx.sge_page_base.hi =
6617 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6618 data->rx.cqe_page_base.lo =
6619 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6620 data->rx.cqe_page_base.hi =
6621 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6622 data->rx.is_leading_rss =
6623 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6624 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6625
6626 /* Tx data */
6627 data->tx.enforce_security_flg = 0; /* VF specific */
6628 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6629 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6630 data->tx.mtu = 0; /* VF specific */
6631 data->tx.tx_bd_page_base.lo =
6632 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6633 data->tx.tx_bd_page_base.hi =
6634 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6635
6636 /* flow control data */
6637 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6638 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6639 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6640 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6641 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6642 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6643 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6644
6645 data->fc.safc_group_num = params->txq_params.cos;
6646 data->fc.safc_group_en_flg =
6647 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006648 data->fc.traffic_type =
6649 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6650 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006651}
6652
6653static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6654{
6655 /* ustorm cxt validation */
6656 cxt->ustorm_ag_context.cdu_usage =
6657 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6658 ETH_CONNECTION_TYPE);
6659 /* xcontext validation */
6660 cxt->xstorm_ag_context.cdu_reserved =
6661 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6662 ETH_CONNECTION_TYPE);
6663}
6664
stephen hemminger8d962862010-10-21 07:50:56 +00006665static int bnx2x_setup_fw_client(struct bnx2x *bp,
6666 struct bnx2x_client_init_params *params,
6667 u8 activate,
6668 struct client_init_ramrod_data *data,
6669 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006670{
6671 u16 hc_usec;
6672 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6673 int ramrod_flags = 0, rc;
6674
6675 /* HC and context validation values */
6676 hc_usec = params->txq_params.hc_rate ?
6677 1000000 / params->txq_params.hc_rate : 0;
6678 bnx2x_update_coalesce_sb_index(bp,
6679 params->txq_params.fw_sb_id,
6680 params->txq_params.sb_cq_index,
6681 !(params->txq_params.flags & QUEUE_FLG_HC),
6682 hc_usec);
6683
6684 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6685
6686 hc_usec = params->rxq_params.hc_rate ?
6687 1000000 / params->rxq_params.hc_rate : 0;
6688 bnx2x_update_coalesce_sb_index(bp,
6689 params->rxq_params.fw_sb_id,
6690 params->rxq_params.sb_cq_index,
6691 !(params->rxq_params.flags & QUEUE_FLG_HC),
6692 hc_usec);
6693
6694 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6695 params->rxq_params.cid);
6696
6697 /* zero stats */
6698 if (params->txq_params.flags & QUEUE_FLG_STATS)
6699 storm_memset_xstats_zero(bp, BP_PORT(bp),
6700 params->txq_params.stat_id);
6701
6702 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6703 storm_memset_ustats_zero(bp, BP_PORT(bp),
6704 params->rxq_params.stat_id);
6705 storm_memset_tstats_zero(bp, BP_PORT(bp),
6706 params->rxq_params.stat_id);
6707 }
6708
6709 /* Fill the ramrod data */
6710 bnx2x_fill_cl_init_data(bp, params, activate, data);
6711
6712 /* SETUP ramrod.
6713 *
6714 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6715 * barrier except from mmiowb() is needed to impose a
6716 * proper ordering of memory operations.
6717 */
6718 mmiowb();
6719
6720
6721 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6722 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006723
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006724 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006725 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6726 params->ramrod_params.index,
6727 params->ramrod_params.pstate,
6728 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006729 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006730}
6731
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006732/**
6733 * Configure interrupt mode according to current configuration.
6734 * In case of MSI-X it will also try to enable MSI-X.
6735 *
6736 * @param bp
6737 *
6738 * @return int
6739 */
6740static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006741{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006742 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006743
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006744 switch (bp->int_mode) {
6745 case INT_MODE_MSI:
6746 bnx2x_enable_msi(bp);
6747 /* falling through... */
6748 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006749 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006750 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006751 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006752 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006753 /* Set number of queues according to bp->multi_mode value */
6754 bnx2x_set_num_queues(bp);
6755
6756 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6757 bp->num_queues);
6758
6759 /* if we can't use MSI-X we only need one fp,
6760 * so try to enable MSI-X with the requested number of fp's
6761 * and fallback to MSI or legacy INTx with one fp
6762 */
6763 rc = bnx2x_enable_msix(bp);
6764 if (rc) {
6765 /* failed to enable MSI-X */
6766 if (bp->multi_mode)
6767 DP(NETIF_MSG_IFUP,
6768 "Multi requested but failed to "
6769 "enable MSI-X (%d), "
6770 "set number of queues to %d\n",
6771 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006772 1 + NONE_ETH_CONTEXT_USE);
6773 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006774
6775 if (!(bp->flags & DISABLE_MSI_FLAG))
6776 bnx2x_enable_msi(bp);
6777 }
6778
Eilon Greensteinca003922009-08-12 22:53:28 -07006779 break;
6780 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006781
6782 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006783}
6784
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006785/* must be called prioir to any HW initializations */
6786static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6787{
6788 return L2_ILT_LINES(bp);
6789}
6790
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006791void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006792{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006793 struct ilt_client_info *ilt_client;
6794 struct bnx2x_ilt *ilt = BP_ILT(bp);
6795 u16 line = 0;
6796
6797 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6798 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6799
6800 /* CDU */
6801 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6802 ilt_client->client_num = ILT_CLIENT_CDU;
6803 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6804 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6805 ilt_client->start = line;
6806 line += L2_ILT_LINES(bp);
6807#ifdef BCM_CNIC
6808 line += CNIC_ILT_LINES;
6809#endif
6810 ilt_client->end = line - 1;
6811
6812 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6813 "flags 0x%x, hw psz %d\n",
6814 ilt_client->start,
6815 ilt_client->end,
6816 ilt_client->page_size,
6817 ilt_client->flags,
6818 ilog2(ilt_client->page_size >> 12));
6819
6820 /* QM */
6821 if (QM_INIT(bp->qm_cid_count)) {
6822 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6823 ilt_client->client_num = ILT_CLIENT_QM;
6824 ilt_client->page_size = QM_ILT_PAGE_SZ;
6825 ilt_client->flags = 0;
6826 ilt_client->start = line;
6827
6828 /* 4 bytes for each cid */
6829 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6830 QM_ILT_PAGE_SZ);
6831
6832 ilt_client->end = line - 1;
6833
6834 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6835 "flags 0x%x, hw psz %d\n",
6836 ilt_client->start,
6837 ilt_client->end,
6838 ilt_client->page_size,
6839 ilt_client->flags,
6840 ilog2(ilt_client->page_size >> 12));
6841
6842 }
6843 /* SRC */
6844 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6845#ifdef BCM_CNIC
6846 ilt_client->client_num = ILT_CLIENT_SRC;
6847 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6848 ilt_client->flags = 0;
6849 ilt_client->start = line;
6850 line += SRC_ILT_LINES;
6851 ilt_client->end = line - 1;
6852
6853 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6854 "flags 0x%x, hw psz %d\n",
6855 ilt_client->start,
6856 ilt_client->end,
6857 ilt_client->page_size,
6858 ilt_client->flags,
6859 ilog2(ilt_client->page_size >> 12));
6860
6861#else
6862 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6863#endif
6864
6865 /* TM */
6866 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6867#ifdef BCM_CNIC
6868 ilt_client->client_num = ILT_CLIENT_TM;
6869 ilt_client->page_size = TM_ILT_PAGE_SZ;
6870 ilt_client->flags = 0;
6871 ilt_client->start = line;
6872 line += TM_ILT_LINES;
6873 ilt_client->end = line - 1;
6874
6875 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6876 "flags 0x%x, hw psz %d\n",
6877 ilt_client->start,
6878 ilt_client->end,
6879 ilt_client->page_size,
6880 ilt_client->flags,
6881 ilog2(ilt_client->page_size >> 12));
6882
6883#else
6884 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6885#endif
6886}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006887
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006888int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6889 int is_leading)
6890{
6891 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006892 int rc;
6893
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006894 /* reset IGU state skip FCoE L2 queue */
6895 if (!IS_FCOE_FP(fp))
6896 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006897 IGU_INT_ENABLE, 0);
6898
6899 params.ramrod_params.pstate = &fp->state;
6900 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6901 params.ramrod_params.index = fp->index;
6902 params.ramrod_params.cid = fp->cid;
6903
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006904#ifdef BCM_CNIC
6905 if (IS_FCOE_FP(fp))
6906 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6907
6908#endif
6909
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006910 if (is_leading)
6911 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6912
6913 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6914
6915 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6916
6917 rc = bnx2x_setup_fw_client(bp, &params, 1,
6918 bnx2x_sp(bp, client_init_data),
6919 bnx2x_sp_mapping(bp, client_init_data));
6920 return rc;
6921}
6922
stephen hemminger8d962862010-10-21 07:50:56 +00006923static int bnx2x_stop_fw_client(struct bnx2x *bp,
6924 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006925{
6926 int rc;
6927
6928 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6929
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006930 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006931 *p->pstate = BNX2X_FP_STATE_HALTING;
6932 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6933 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006934
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006935 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006936 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6937 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006938 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006939 return rc;
6940
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006941 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6942 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6943 p->cl_id, 0);
6944 /* Wait for completion */
6945 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6946 p->pstate, poll_flag);
6947 if (rc) /* timeout */
6948 return rc;
6949
6950
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006951 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006952 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006953
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006954 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006955 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6956 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006957 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006958}
6959
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006960static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006961{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006962 struct bnx2x_client_ramrod_params client_stop = {0};
6963 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006964
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006965 client_stop.index = index;
6966 client_stop.cid = fp->cid;
6967 client_stop.cl_id = fp->cl_id;
6968 client_stop.pstate = &(fp->state);
6969 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006970
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006971 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006972}
6973
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006974
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006975static void bnx2x_reset_func(struct bnx2x *bp)
6976{
6977 int port = BP_PORT(bp);
6978 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006979 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006980 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006981 (CHIP_IS_E2(bp) ?
6982 offsetof(struct hc_status_block_data_e2, common) :
6983 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006984 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6985 int pfid_offset = offsetof(struct pci_entity, pf_id);
6986
6987 /* Disable the function in the FW */
6988 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6989 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6990 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6991 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6992
6993 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006994 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006995 struct bnx2x_fastpath *fp = &bp->fp[i];
6996 REG_WR8(bp,
6997 BAR_CSTRORM_INTMEM +
6998 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6999 + pfunc_offset_fp + pfid_offset,
7000 HC_FUNCTION_DISABLED);
7001 }
7002
7003 /* SP SB */
7004 REG_WR8(bp,
7005 BAR_CSTRORM_INTMEM +
7006 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
7007 pfunc_offset_sp + pfid_offset,
7008 HC_FUNCTION_DISABLED);
7009
7010
7011 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
7012 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
7013 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08007014
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007015 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007016 if (bp->common.int_block == INT_BLOCK_HC) {
7017 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7018 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7019 } else {
7020 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7021 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7022 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007023
Michael Chan37b091b2009-10-10 13:46:55 +00007024#ifdef BCM_CNIC
7025 /* Disable Timer scan */
7026 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
7027 /*
7028 * Wait for at least 10ms and up to 2 second for the timers scan to
7029 * complete
7030 */
7031 for (i = 0; i < 200; i++) {
7032 msleep(10);
7033 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
7034 break;
7035 }
7036#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007037 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007038 bnx2x_clear_func_ilt(bp, func);
7039
7040 /* Timers workaround bug for E2: if this is vnic-3,
7041 * we need to set the entire ilt range for this timers.
7042 */
7043 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
7044 struct ilt_client_info ilt_cli;
7045 /* use dummy TM client */
7046 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7047 ilt_cli.start = 0;
7048 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7049 ilt_cli.client_num = ILT_CLIENT_TM;
7050
7051 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7052 }
7053
7054 /* this assumes that reset_port() called before reset_func()*/
7055 if (CHIP_IS_E2(bp))
7056 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007057
7058 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007059}
7060
7061static void bnx2x_reset_port(struct bnx2x *bp)
7062{
7063 int port = BP_PORT(bp);
7064 u32 val;
7065
7066 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7067
7068 /* Do not rcv packets to BRB */
7069 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7070 /* Do not direct rcv packets that are not for MCP to the BRB */
7071 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7072 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7073
7074 /* Configure AEU */
7075 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7076
7077 msleep(100);
7078 /* Check for BRB port occupancy */
7079 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7080 if (val)
7081 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007082 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007083
7084 /* TODO: Close Doorbell port? */
7085}
7086
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007087static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7088{
7089 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007090 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007091
7092 switch (reset_code) {
7093 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7094 bnx2x_reset_port(bp);
7095 bnx2x_reset_func(bp);
7096 bnx2x_reset_common(bp);
7097 break;
7098
7099 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7100 bnx2x_reset_port(bp);
7101 bnx2x_reset_func(bp);
7102 break;
7103
7104 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7105 bnx2x_reset_func(bp);
7106 break;
7107
7108 default:
7109 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7110 break;
7111 }
7112}
7113
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007114#ifdef BCM_CNIC
7115static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7116{
7117 if (bp->flags & FCOE_MACS_SET) {
7118 if (!IS_MF_SD(bp))
7119 bnx2x_set_fip_eth_mac_addr(bp, 0);
7120
7121 bnx2x_set_all_enode_macs(bp, 0);
7122
7123 bp->flags &= ~FCOE_MACS_SET;
7124 }
7125}
7126#endif
7127
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007128void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007129{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007130 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007131 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007132 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007133
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007134 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007135 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007136 struct bnx2x_fastpath *fp = &bp->fp[i];
7137
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007138 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007139 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007140
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007141 if (!cnt) {
7142 BNX2X_ERR("timeout waiting for queue[%d]\n",
7143 i);
7144#ifdef BNX2X_STOP_ON_ERROR
7145 bnx2x_panic();
7146 return -EBUSY;
7147#else
7148 break;
7149#endif
7150 }
7151 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007152 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007153 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007154 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007155 /* Give HW time to discard old tx messages */
7156 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007157
Yitchak Gertner65abd742008-08-25 15:26:24 -07007158 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007159 /* invalidate mc list,
7160 * wait and poll (interrupts are off)
7161 */
7162 bnx2x_invlidate_e1_mc_list(bp);
7163 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007164
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007165 } else {
Yitchak Gertner65abd742008-08-25 15:26:24 -07007166 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7167
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007168 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007169
7170 for (i = 0; i < MC_HASH_SIZE; i++)
7171 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
7172 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007173
Michael Chan993ac7b2009-10-10 13:46:56 +00007174#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007175 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007176#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007177
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007178 if (unload_mode == UNLOAD_NORMAL)
7179 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007180
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007181 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007182 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007183
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007184 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007185 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007186 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007187 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007188 /* The mac address is written to entries 1-4 to
7189 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007190 u8 entry = (BP_E1HVN(bp) + 1)*8;
7191
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007192 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007193 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007194
7195 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7196 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007197 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007198
7199 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007200
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007201 } else
7202 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7203
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007204 /* Close multi and leading connections
7205 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007206 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007207
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007208 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007209#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007210 return;
7211#else
7212 goto unload_error;
7213#endif
7214
7215 rc = bnx2x_func_stop(bp);
7216 if (rc) {
7217 BNX2X_ERR("Function stop failed!\n");
7218#ifdef BNX2X_STOP_ON_ERROR
7219 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007220#else
7221 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007222#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007223 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007224#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007225unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007226#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007227 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007228 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007229 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007230 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7231 "%d, %d, %d\n", BP_PATH(bp),
7232 load_count[BP_PATH(bp)][0],
7233 load_count[BP_PATH(bp)][1],
7234 load_count[BP_PATH(bp)][2]);
7235 load_count[BP_PATH(bp)][0]--;
7236 load_count[BP_PATH(bp)][1 + port]--;
7237 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7238 "%d, %d, %d\n", BP_PATH(bp),
7239 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7240 load_count[BP_PATH(bp)][2]);
7241 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007242 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007243 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007244 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7245 else
7246 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7247 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007248
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007249 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7250 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7251 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007252
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007253 /* Disable HW interrupts, NAPI */
7254 bnx2x_netif_stop(bp, 1);
7255
7256 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007257 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007258
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007259 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007260 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007261
7262 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007263 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007264 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007265
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007266}
7267
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007268void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007269{
7270 u32 val;
7271
7272 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7273
7274 if (CHIP_IS_E1(bp)) {
7275 int port = BP_PORT(bp);
7276 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7277 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7278
7279 val = REG_RD(bp, addr);
7280 val &= ~(0x300);
7281 REG_WR(bp, addr, val);
7282 } else if (CHIP_IS_E1H(bp)) {
7283 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7284 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7285 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7286 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7287 }
7288}
7289
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007290/* Close gates #2, #3 and #4: */
7291static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7292{
7293 u32 val, addr;
7294
7295 /* Gates #2 and #4a are closed/opened for "not E1" only */
7296 if (!CHIP_IS_E1(bp)) {
7297 /* #4 */
7298 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7299 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7300 close ? (val | 0x1) : (val & (~(u32)1)));
7301 /* #2 */
7302 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7303 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7304 close ? (val | 0x1) : (val & (~(u32)1)));
7305 }
7306
7307 /* #3 */
7308 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7309 val = REG_RD(bp, addr);
7310 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7311
7312 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7313 close ? "closing" : "opening");
7314 mmiowb();
7315}
7316
7317#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7318
7319static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7320{
7321 /* Do some magic... */
7322 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7323 *magic_val = val & SHARED_MF_CLP_MAGIC;
7324 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7325}
7326
7327/* Restore the value of the `magic' bit.
7328 *
7329 * @param pdev Device handle.
7330 * @param magic_val Old value of the `magic' bit.
7331 */
7332static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7333{
7334 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007335 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7336 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7337 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7338}
7339
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007340/**
7341 * Prepares for MCP reset: takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007342 *
7343 * @param bp
7344 * @param magic_val Old value of 'magic' bit.
7345 */
7346static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7347{
7348 u32 shmem;
7349 u32 validity_offset;
7350
7351 DP(NETIF_MSG_HW, "Starting\n");
7352
7353 /* Set `magic' bit in order to save MF config */
7354 if (!CHIP_IS_E1(bp))
7355 bnx2x_clp_reset_prep(bp, magic_val);
7356
7357 /* Get shmem offset */
7358 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7359 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7360
7361 /* Clear validity map flags */
7362 if (shmem > 0)
7363 REG_WR(bp, shmem + validity_offset, 0);
7364}
7365
7366#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7367#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7368
7369/* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
7370 * depending on the HW type.
7371 *
7372 * @param bp
7373 */
7374static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7375{
7376 /* special handling for emulation and FPGA,
7377 wait 10 times longer */
7378 if (CHIP_REV_IS_SLOW(bp))
7379 msleep(MCP_ONE_TIMEOUT*10);
7380 else
7381 msleep(MCP_ONE_TIMEOUT);
7382}
7383
7384static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7385{
7386 u32 shmem, cnt, validity_offset, val;
7387 int rc = 0;
7388
7389 msleep(100);
7390
7391 /* Get shmem offset */
7392 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7393 if (shmem == 0) {
7394 BNX2X_ERR("Shmem 0 return failure\n");
7395 rc = -ENOTTY;
7396 goto exit_lbl;
7397 }
7398
7399 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7400
7401 /* Wait for MCP to come up */
7402 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7403 /* TBD: its best to check validity map of last port.
7404 * currently checks on port 0.
7405 */
7406 val = REG_RD(bp, shmem + validity_offset);
7407 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7408 shmem + validity_offset, val);
7409
7410 /* check that shared memory is valid. */
7411 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7412 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7413 break;
7414
7415 bnx2x_mcp_wait_one(bp);
7416 }
7417
7418 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7419
7420 /* Check that shared memory is valid. This indicates that MCP is up. */
7421 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7422 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7423 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7424 rc = -ENOTTY;
7425 goto exit_lbl;
7426 }
7427
7428exit_lbl:
7429 /* Restore the `magic' bit value */
7430 if (!CHIP_IS_E1(bp))
7431 bnx2x_clp_reset_done(bp, magic_val);
7432
7433 return rc;
7434}
7435
7436static void bnx2x_pxp_prep(struct bnx2x *bp)
7437{
7438 if (!CHIP_IS_E1(bp)) {
7439 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7440 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7441 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7442 mmiowb();
7443 }
7444}
7445
7446/*
7447 * Reset the whole chip except for:
7448 * - PCIE core
7449 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7450 * one reset bit)
7451 * - IGU
7452 * - MISC (including AEU)
7453 * - GRC
7454 * - RBCN, RBCP
7455 */
7456static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7457{
7458 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7459
7460 not_reset_mask1 =
7461 MISC_REGISTERS_RESET_REG_1_RST_HC |
7462 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7463 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7464
7465 not_reset_mask2 =
7466 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7467 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7468 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7469 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7470 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7471 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7472 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7473 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7474
7475 reset_mask1 = 0xffffffff;
7476
7477 if (CHIP_IS_E1(bp))
7478 reset_mask2 = 0xffff;
7479 else
7480 reset_mask2 = 0x1ffff;
7481
7482 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7483 reset_mask1 & (~not_reset_mask1));
7484 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7485 reset_mask2 & (~not_reset_mask2));
7486
7487 barrier();
7488 mmiowb();
7489
7490 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7491 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7492 mmiowb();
7493}
7494
7495static int bnx2x_process_kill(struct bnx2x *bp)
7496{
7497 int cnt = 1000;
7498 u32 val = 0;
7499 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7500
7501
7502 /* Empty the Tetris buffer, wait for 1s */
7503 do {
7504 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7505 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7506 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7507 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7508 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7509 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7510 ((port_is_idle_0 & 0x1) == 0x1) &&
7511 ((port_is_idle_1 & 0x1) == 0x1) &&
7512 (pgl_exp_rom2 == 0xffffffff))
7513 break;
7514 msleep(1);
7515 } while (cnt-- > 0);
7516
7517 if (cnt <= 0) {
7518 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7519 " are still"
7520 " outstanding read requests after 1s!\n");
7521 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7522 " port_is_idle_0=0x%08x,"
7523 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7524 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7525 pgl_exp_rom2);
7526 return -EAGAIN;
7527 }
7528
7529 barrier();
7530
7531 /* Close gates #2, #3 and #4 */
7532 bnx2x_set_234_gates(bp, true);
7533
7534 /* TBD: Indicate that "process kill" is in progress to MCP */
7535
7536 /* Clear "unprepared" bit */
7537 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7538 barrier();
7539
7540 /* Make sure all is written to the chip before the reset */
7541 mmiowb();
7542
7543 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7544 * PSWHST, GRC and PSWRD Tetris buffer.
7545 */
7546 msleep(1);
7547
7548 /* Prepare to chip reset: */
7549 /* MCP */
7550 bnx2x_reset_mcp_prep(bp, &val);
7551
7552 /* PXP */
7553 bnx2x_pxp_prep(bp);
7554 barrier();
7555
7556 /* reset the chip */
7557 bnx2x_process_kill_chip_reset(bp);
7558 barrier();
7559
7560 /* Recover after reset: */
7561 /* MCP */
7562 if (bnx2x_reset_mcp_comp(bp, val))
7563 return -EAGAIN;
7564
7565 /* PXP */
7566 bnx2x_pxp_prep(bp);
7567
7568 /* Open the gates #2, #3 and #4 */
7569 bnx2x_set_234_gates(bp, false);
7570
7571 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7572 * reset state, re-enable attentions. */
7573
7574 return 0;
7575}
7576
7577static int bnx2x_leader_reset(struct bnx2x *bp)
7578{
7579 int rc = 0;
7580 /* Try to recover after the failure */
7581 if (bnx2x_process_kill(bp)) {
7582 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7583 bp->dev->name);
7584 rc = -EAGAIN;
7585 goto exit_leader_reset;
7586 }
7587
7588 /* Clear "reset is in progress" bit and update the driver state */
7589 bnx2x_set_reset_done(bp);
7590 bp->recovery_state = BNX2X_RECOVERY_DONE;
7591
7592exit_leader_reset:
7593 bp->is_leader = 0;
7594 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7595 smp_wmb();
7596 return rc;
7597}
7598
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007599/* Assumption: runs under rtnl lock. This together with the fact
7600 * that it's called only from bnx2x_reset_task() ensure that it
7601 * will never be called when netif_running(bp->dev) is false.
7602 */
7603static void bnx2x_parity_recover(struct bnx2x *bp)
7604{
7605 DP(NETIF_MSG_HW, "Handling parity\n");
7606 while (1) {
7607 switch (bp->recovery_state) {
7608 case BNX2X_RECOVERY_INIT:
7609 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7610 /* Try to get a LEADER_LOCK HW lock */
7611 if (bnx2x_trylock_hw_lock(bp,
7612 HW_LOCK_RESOURCE_RESERVED_08))
7613 bp->is_leader = 1;
7614
7615 /* Stop the driver */
7616 /* If interface has been removed - break */
7617 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7618 return;
7619
7620 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7621 /* Ensure "is_leader" and "recovery_state"
7622 * update values are seen on other CPUs
7623 */
7624 smp_wmb();
7625 break;
7626
7627 case BNX2X_RECOVERY_WAIT:
7628 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7629 if (bp->is_leader) {
7630 u32 load_counter = bnx2x_get_load_cnt(bp);
7631 if (load_counter) {
7632 /* Wait until all other functions get
7633 * down.
7634 */
7635 schedule_delayed_work(&bp->reset_task,
7636 HZ/10);
7637 return;
7638 } else {
7639 /* If all other functions got down -
7640 * try to bring the chip back to
7641 * normal. In any case it's an exit
7642 * point for a leader.
7643 */
7644 if (bnx2x_leader_reset(bp) ||
7645 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7646 printk(KERN_ERR"%s: Recovery "
7647 "has failed. Power cycle is "
7648 "needed.\n", bp->dev->name);
7649 /* Disconnect this device */
7650 netif_device_detach(bp->dev);
7651 /* Block ifup for all function
7652 * of this ASIC until
7653 * "process kill" or power
7654 * cycle.
7655 */
7656 bnx2x_set_reset_in_progress(bp);
7657 /* Shut down the power */
7658 bnx2x_set_power_state(bp,
7659 PCI_D3hot);
7660 return;
7661 }
7662
7663 return;
7664 }
7665 } else { /* non-leader */
7666 if (!bnx2x_reset_is_done(bp)) {
7667 /* Try to get a LEADER_LOCK HW lock as
7668 * long as a former leader may have
7669 * been unloaded by the user or
7670 * released a leadership by another
7671 * reason.
7672 */
7673 if (bnx2x_trylock_hw_lock(bp,
7674 HW_LOCK_RESOURCE_RESERVED_08)) {
7675 /* I'm a leader now! Restart a
7676 * switch case.
7677 */
7678 bp->is_leader = 1;
7679 break;
7680 }
7681
7682 schedule_delayed_work(&bp->reset_task,
7683 HZ/10);
7684 return;
7685
7686 } else { /* A leader has completed
7687 * the "process kill". It's an exit
7688 * point for a non-leader.
7689 */
7690 bnx2x_nic_load(bp, LOAD_NORMAL);
7691 bp->recovery_state =
7692 BNX2X_RECOVERY_DONE;
7693 smp_wmb();
7694 return;
7695 }
7696 }
7697 default:
7698 return;
7699 }
7700 }
7701}
7702
7703/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7704 * scheduled on a general queue in order to prevent a dead lock.
7705 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007706static void bnx2x_reset_task(struct work_struct *work)
7707{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007708 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007709
7710#ifdef BNX2X_STOP_ON_ERROR
7711 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7712 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007713 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007714 return;
7715#endif
7716
7717 rtnl_lock();
7718
7719 if (!netif_running(bp->dev))
7720 goto reset_task_exit;
7721
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007722 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7723 bnx2x_parity_recover(bp);
7724 else {
7725 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7726 bnx2x_nic_load(bp, LOAD_NORMAL);
7727 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007728
7729reset_task_exit:
7730 rtnl_unlock();
7731}
7732
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007733/* end of nic load/unload */
7734
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007735/*
7736 * Init service functions
7737 */
7738
stephen hemminger8d962862010-10-21 07:50:56 +00007739static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007740{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007741 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7742 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7743 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007744}
7745
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007746static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007747{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007748 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007749
7750 /* Flush all outstanding writes */
7751 mmiowb();
7752
7753 /* Pretend to be function 0 */
7754 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007755 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007756
7757 /* From now we are in the "like-E1" mode */
7758 bnx2x_int_disable(bp);
7759
7760 /* Flush all outstanding writes */
7761 mmiowb();
7762
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007763 /* Restore the original function */
7764 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7765 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007766}
7767
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007768static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007769{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007770 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007771 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007772 else
7773 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007774}
7775
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007776static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007777{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007778 u32 val;
7779
7780 /* Check if there is any driver already loaded */
7781 val = REG_RD(bp, MISC_REG_UNPREPARED);
7782 if (val == 0x1) {
7783 /* Check if it is the UNDI driver
7784 * UNDI driver initializes CID offset for normal bell to 0x7
7785 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007786 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007787 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7788 if (val == 0x7) {
7789 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007790 /* save our pf_num */
7791 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007792 u32 swap_en;
7793 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007794
Eilon Greensteinb4661732009-01-14 06:43:56 +00007795 /* clear the UNDI indication */
7796 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7797
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007798 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7799
7800 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007801 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007802 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007803 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007804 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007805 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007806
7807 /* if UNDI is loaded on the other port */
7808 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7809
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007810 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007811 bnx2x_fw_command(bp,
7812 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007813
7814 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007815 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007816 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007817 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007818 DRV_MSG_SEQ_NUMBER_MASK);
7819 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007820
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007821 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007822 }
7823
Eilon Greensteinb4661732009-01-14 06:43:56 +00007824 /* now it's safe to release the lock */
7825 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7826
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007827 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007828
7829 /* close input traffic and wait for it */
7830 /* Do not rcv packets to BRB */
7831 REG_WR(bp,
7832 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7833 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7834 /* Do not direct rcv packets that are not for MCP to
7835 * the BRB */
7836 REG_WR(bp,
7837 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7838 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7839 /* clear AEU */
7840 REG_WR(bp,
7841 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7842 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7843 msleep(10);
7844
7845 /* save NIG port swap info */
7846 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7847 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007848 /* reset device */
7849 REG_WR(bp,
7850 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007851 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007852 REG_WR(bp,
7853 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7854 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007855 /* take the NIG out of reset and restore swap values */
7856 REG_WR(bp,
7857 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7858 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7859 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7860 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7861
7862 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007863 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007864
7865 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007866 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007867 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007868 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007869 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007870 } else
7871 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007872 }
7873}
7874
7875static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7876{
7877 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007878 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007879
7880 /* Get the chip revision id and number. */
7881 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7882 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7883 id = ((val & 0xffff) << 16);
7884 val = REG_RD(bp, MISC_REG_CHIP_REV);
7885 id |= ((val & 0xf) << 12);
7886 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7887 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007888 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007889 id |= (val & 0xf);
7890 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007891
7892 /* Set doorbell size */
7893 bp->db_size = (1 << BNX2X_DB_SHIFT);
7894
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007895 if (CHIP_IS_E2(bp)) {
7896 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7897 if ((val & 1) == 0)
7898 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7899 else
7900 val = (val >> 1) & 1;
7901 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7902 "2_PORT_MODE");
7903 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7904 CHIP_2_PORT_MODE;
7905
7906 if (CHIP_MODE_IS_4_PORT(bp))
7907 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7908 else
7909 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7910 } else {
7911 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7912 bp->pfid = bp->pf_num; /* 0..7 */
7913 }
7914
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007915 /*
7916 * set base FW non-default (fast path) status block id, this value is
7917 * used to initialize the fw_sb_id saved on the fp/queue structure to
7918 * determine the id used by the FW.
7919 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007920 if (CHIP_IS_E1x(bp))
7921 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7922 else /* E2 */
7923 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7924
7925 bp->link_params.chip_id = bp->common.chip_id;
7926 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007927
Eilon Greenstein1c063282009-02-12 08:36:43 +00007928 val = (REG_RD(bp, 0x2874) & 0x55);
7929 if ((bp->common.chip_id & 0x1) ||
7930 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7931 bp->flags |= ONE_PORT_FLAG;
7932 BNX2X_DEV_INFO("single port device\n");
7933 }
7934
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007935 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7936 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7937 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7938 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7939 bp->common.flash_size, bp->common.flash_size);
7940
7941 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007942 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7943 MISC_REG_GENERIC_CR_1 :
7944 MISC_REG_GENERIC_CR_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007945 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007946 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007947 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7948 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007949
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007950 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007951 BNX2X_DEV_INFO("MCP not active\n");
7952 bp->flags |= NO_MCP_FLAG;
7953 return;
7954 }
7955
7956 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7957 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7958 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007959 BNX2X_ERR("BAD MCP validity signature\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007960
7961 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007962 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007963
7964 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7965 SHARED_HW_CFG_LED_MODE_MASK) >>
7966 SHARED_HW_CFG_LED_MODE_SHIFT);
7967
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007968 bp->link_params.feature_config_flags = 0;
7969 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7970 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7971 bp->link_params.feature_config_flags |=
7972 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7973 else
7974 bp->link_params.feature_config_flags &=
7975 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7976
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007977 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7978 bp->common.bc_ver = val;
7979 BNX2X_DEV_INFO("bc_ver %X\n", val);
7980 if (val < BNX2X_BC_VER) {
7981 /* for now only warn
7982 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007983 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7984 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007985 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007986 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007987 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007988 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7989
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007990 bp->link_params.feature_config_flags |=
7991 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7992 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007993
7994 if (BP_E1HVN(bp) == 0) {
7995 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7996 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7997 } else {
7998 /* no WOL capability for E1HVN != 0 */
7999 bp->flags |= NO_WOL_FLAG;
8000 }
8001 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00008002 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008003
8004 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
8005 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
8006 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
8007 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
8008
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008009 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
8010 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008011}
8012
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008013#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
8014#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
8015
8016static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
8017{
8018 int pfid = BP_FUNC(bp);
8019 int vn = BP_E1HVN(bp);
8020 int igu_sb_id;
8021 u32 val;
8022 u8 fid;
8023
8024 bp->igu_base_sb = 0xff;
8025 bp->igu_sb_cnt = 0;
8026 if (CHIP_INT_MODE_IS_BC(bp)) {
8027 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008028 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008029
8030 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
8031 FP_SB_MAX_E1x;
8032
8033 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
8034 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
8035
8036 return;
8037 }
8038
8039 /* IGU in normal mode - read CAM */
8040 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
8041 igu_sb_id++) {
8042 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
8043 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
8044 continue;
8045 fid = IGU_FID(val);
8046 if ((fid & IGU_FID_ENCODE_IS_PF)) {
8047 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
8048 continue;
8049 if (IGU_VEC(val) == 0)
8050 /* default status block */
8051 bp->igu_dsb_id = igu_sb_id;
8052 else {
8053 if (bp->igu_base_sb == 0xff)
8054 bp->igu_base_sb = igu_sb_id;
8055 bp->igu_sb_cnt++;
8056 }
8057 }
8058 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008059 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8060 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008061 if (bp->igu_sb_cnt == 0)
8062 BNX2X_ERR("CAM configuration error\n");
8063}
8064
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008065static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
8066 u32 switch_cfg)
8067{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008068 int cfg_size = 0, idx, port = BP_PORT(bp);
8069
8070 /* Aggregation of supported attributes of all external phys */
8071 bp->port.supported[0] = 0;
8072 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008073 switch (bp->link_params.num_phys) {
8074 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008075 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
8076 cfg_size = 1;
8077 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008078 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008079 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
8080 cfg_size = 1;
8081 break;
8082 case 3:
8083 if (bp->link_params.multi_phy_config &
8084 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
8085 bp->port.supported[1] =
8086 bp->link_params.phy[EXT_PHY1].supported;
8087 bp->port.supported[0] =
8088 bp->link_params.phy[EXT_PHY2].supported;
8089 } else {
8090 bp->port.supported[0] =
8091 bp->link_params.phy[EXT_PHY1].supported;
8092 bp->port.supported[1] =
8093 bp->link_params.phy[EXT_PHY2].supported;
8094 }
8095 cfg_size = 2;
8096 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008097 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008098
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008099 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008100 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008101 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008102 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008103 dev_info.port_hw_config[port].external_phy_config),
8104 SHMEM_RD(bp,
8105 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008106 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008107 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008108
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008109 switch (switch_cfg) {
8110 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008111 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8112 port*0x10);
8113 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008114 break;
8115
8116 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008117 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8118 port*0x18);
8119 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008120 break;
8121
8122 default:
8123 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008124 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008125 return;
8126 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008127 /* mask what we support according to speed_cap_mask per configuration */
8128 for (idx = 0; idx < cfg_size; idx++) {
8129 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008130 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008131 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008132
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008133 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008134 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008135 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008136
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008137 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008138 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008139 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008140
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008141 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008142 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008143 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008144
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008145 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008146 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008147 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008148 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008149
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008150 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008151 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008152 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008153
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008154 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008155 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008156 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008157
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008158 }
8159
8160 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8161 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008162}
8163
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008164static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008165{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008166 u32 link_config, idx, cfg_size = 0;
8167 bp->port.advertising[0] = 0;
8168 bp->port.advertising[1] = 0;
8169 switch (bp->link_params.num_phys) {
8170 case 1:
8171 case 2:
8172 cfg_size = 1;
8173 break;
8174 case 3:
8175 cfg_size = 2;
8176 break;
8177 }
8178 for (idx = 0; idx < cfg_size; idx++) {
8179 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8180 link_config = bp->port.link_config[idx];
8181 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008182 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008183 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8184 bp->link_params.req_line_speed[idx] =
8185 SPEED_AUTO_NEG;
8186 bp->port.advertising[idx] |=
8187 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008188 } else {
8189 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008190 bp->link_params.req_line_speed[idx] =
8191 SPEED_10000;
8192 bp->port.advertising[idx] |=
8193 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008194 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008195 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008196 }
8197 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008198
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008199 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008200 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8201 bp->link_params.req_line_speed[idx] =
8202 SPEED_10;
8203 bp->port.advertising[idx] |=
8204 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008205 ADVERTISED_TP);
8206 } else {
8207 BNX2X_ERROR("NVRAM config error. "
8208 "Invalid link_config 0x%x"
8209 " speed_cap_mask 0x%x\n",
8210 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008211 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008212 return;
8213 }
8214 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008215
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008216 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008217 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8218 bp->link_params.req_line_speed[idx] =
8219 SPEED_10;
8220 bp->link_params.req_duplex[idx] =
8221 DUPLEX_HALF;
8222 bp->port.advertising[idx] |=
8223 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008224 ADVERTISED_TP);
8225 } else {
8226 BNX2X_ERROR("NVRAM config error. "
8227 "Invalid link_config 0x%x"
8228 " speed_cap_mask 0x%x\n",
8229 link_config,
8230 bp->link_params.speed_cap_mask[idx]);
8231 return;
8232 }
8233 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008234
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008235 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8236 if (bp->port.supported[idx] &
8237 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008238 bp->link_params.req_line_speed[idx] =
8239 SPEED_100;
8240 bp->port.advertising[idx] |=
8241 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008242 ADVERTISED_TP);
8243 } else {
8244 BNX2X_ERROR("NVRAM config error. "
8245 "Invalid link_config 0x%x"
8246 " speed_cap_mask 0x%x\n",
8247 link_config,
8248 bp->link_params.speed_cap_mask[idx]);
8249 return;
8250 }
8251 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008252
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008253 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8254 if (bp->port.supported[idx] &
8255 SUPPORTED_100baseT_Half) {
8256 bp->link_params.req_line_speed[idx] =
8257 SPEED_100;
8258 bp->link_params.req_duplex[idx] =
8259 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008260 bp->port.advertising[idx] |=
8261 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008262 ADVERTISED_TP);
8263 } else {
8264 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008265 "Invalid link_config 0x%x"
8266 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008267 link_config,
8268 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008269 return;
8270 }
8271 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008272
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008273 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008274 if (bp->port.supported[idx] &
8275 SUPPORTED_1000baseT_Full) {
8276 bp->link_params.req_line_speed[idx] =
8277 SPEED_1000;
8278 bp->port.advertising[idx] |=
8279 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008280 ADVERTISED_TP);
8281 } else {
8282 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008283 "Invalid link_config 0x%x"
8284 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008285 link_config,
8286 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008287 return;
8288 }
8289 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008290
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008291 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008292 if (bp->port.supported[idx] &
8293 SUPPORTED_2500baseX_Full) {
8294 bp->link_params.req_line_speed[idx] =
8295 SPEED_2500;
8296 bp->port.advertising[idx] |=
8297 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008298 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008299 } else {
8300 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008301 "Invalid link_config 0x%x"
8302 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008303 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008304 bp->link_params.speed_cap_mask[idx]);
8305 return;
8306 }
8307 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008308
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008309 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8310 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8311 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008312 if (bp->port.supported[idx] &
8313 SUPPORTED_10000baseT_Full) {
8314 bp->link_params.req_line_speed[idx] =
8315 SPEED_10000;
8316 bp->port.advertising[idx] |=
8317 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008318 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008319 } else {
8320 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008321 "Invalid link_config 0x%x"
8322 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008323 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008324 bp->link_params.speed_cap_mask[idx]);
8325 return;
8326 }
8327 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008328
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008329 default:
8330 BNX2X_ERROR("NVRAM config error. "
8331 "BAD link speed link_config 0x%x\n",
8332 link_config);
8333 bp->link_params.req_line_speed[idx] =
8334 SPEED_AUTO_NEG;
8335 bp->port.advertising[idx] =
8336 bp->port.supported[idx];
8337 break;
8338 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008339
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008340 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008341 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008342 if ((bp->link_params.req_flow_ctrl[idx] ==
8343 BNX2X_FLOW_CTRL_AUTO) &&
8344 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8345 bp->link_params.req_flow_ctrl[idx] =
8346 BNX2X_FLOW_CTRL_NONE;
8347 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008348
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008349 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8350 " 0x%x advertising 0x%x\n",
8351 bp->link_params.req_line_speed[idx],
8352 bp->link_params.req_duplex[idx],
8353 bp->link_params.req_flow_ctrl[idx],
8354 bp->port.advertising[idx]);
8355 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008356}
8357
Michael Chane665bfd2009-10-10 13:46:54 +00008358static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8359{
8360 mac_hi = cpu_to_be16(mac_hi);
8361 mac_lo = cpu_to_be32(mac_lo);
8362 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8363 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8364}
8365
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008366static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008367{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008368 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008369 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008370 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008371
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008372 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008373 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008374
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008375 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008376 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008377
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008378 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008379 SHMEM_RD(bp,
8380 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008381 bp->link_params.speed_cap_mask[1] =
8382 SHMEM_RD(bp,
8383 dev_info.port_hw_config[port].speed_capability_mask2);
8384 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008385 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8386
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008387 bp->port.link_config[1] =
8388 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008389
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008390 bp->link_params.multi_phy_config =
8391 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008392 /* If the device is capable of WoL, set the default state according
8393 * to the HW
8394 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008395 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008396 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8397 (config & PORT_FEATURE_WOL_ENABLED));
8398
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008399 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008400 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008401 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008402 bp->link_params.speed_cap_mask[0],
8403 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008404
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008405 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008406 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008407 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008408 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008409
8410 bnx2x_link_settings_requested(bp);
8411
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008412 /*
8413 * If connected directly, work with the internal PHY, otherwise, work
8414 * with the external PHY
8415 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008416 ext_phy_config =
8417 SHMEM_RD(bp,
8418 dev_info.port_hw_config[port].external_phy_config);
8419 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008420 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008421 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008422
8423 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8424 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8425 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008426 XGXS_EXT_PHY_ADDR(ext_phy_config);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008427}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008428
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008429static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8430{
8431 u32 val, val2;
8432 int func = BP_ABS_FUNC(bp);
8433 int port = BP_PORT(bp);
8434
8435 if (BP_NOMCP(bp)) {
8436 BNX2X_ERROR("warning: random MAC workaround active\n");
8437 random_ether_addr(bp->dev->dev_addr);
8438 } else if (IS_MF(bp)) {
8439 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8440 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8441 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8442 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8443 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8444
8445#ifdef BCM_CNIC
8446 /* iSCSI NPAR MAC */
8447 if (IS_MF_SI(bp)) {
8448 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8449 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8450 val2 = MF_CFG_RD(bp, func_ext_config[func].
8451 iscsi_mac_addr_upper);
8452 val = MF_CFG_RD(bp, func_ext_config[func].
8453 iscsi_mac_addr_lower);
8454 bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
8455 }
8456 }
8457#endif
8458 } else {
8459 /* in SF read MACs from port configuration */
8460 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8461 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8462 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8463
8464#ifdef BCM_CNIC
8465 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8466 iscsi_mac_upper);
8467 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8468 iscsi_mac_lower);
8469 bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
8470#endif
8471 }
8472
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008473 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8474 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008475
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008476#ifdef BCM_CNIC
8477 /* Inform the upper layers about FCoE MAC */
8478 if (!CHIP_IS_E1x(bp)) {
8479 if (IS_MF_SD(bp))
8480 memcpy(bp->fip_mac, bp->dev->dev_addr,
8481 sizeof(bp->fip_mac));
8482 else
8483 memcpy(bp->fip_mac, bp->iscsi_mac,
8484 sizeof(bp->fip_mac));
8485 }
8486#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008487}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008488
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008489static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8490{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008491 int /*abs*/func = BP_ABS_FUNC(bp);
8492 int vn, port;
8493 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008494 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008495
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008496 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008497
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008498 if (CHIP_IS_E1x(bp)) {
8499 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008500
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008501 bp->igu_dsb_id = DEF_SB_IGU_ID;
8502 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008503 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8504 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008505 } else {
8506 bp->common.int_block = INT_BLOCK_IGU;
8507 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8508 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8509 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8510 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8511 } else
8512 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8513
8514 bnx2x_get_igu_cam_info(bp);
8515
8516 }
8517 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8518 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8519
8520 /*
8521 * Initialize MF configuration
8522 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008523
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008524 bp->mf_ov = 0;
8525 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008526 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008527 port = BP_PORT(bp);
8528
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008529 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008530 DP(NETIF_MSG_PROBE,
8531 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8532 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8533 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008534 if (SHMEM2_HAS(bp, mf_cfg_addr))
8535 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8536 else
8537 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008538 offsetof(struct shmem_region, func_mb) +
8539 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008540 /*
8541 * get mf configuration:
8542 * 1. existance of MF configuration
8543 * 2. MAC address must be legal (check only upper bytes)
8544 * for Switch-Independent mode;
8545 * OVLAN must be legal for Switch-Dependent mode
8546 * 3. SF_MODE configures specific MF mode
8547 */
8548 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8549 /* get mf configuration */
8550 val = SHMEM_RD(bp,
8551 dev_info.shared_feature_config.config);
8552 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008553
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008554 switch (val) {
8555 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8556 val = MF_CFG_RD(bp, func_mf_config[func].
8557 mac_upper);
8558 /* check for legal mac (upper bytes)*/
8559 if (val != 0xffff) {
8560 bp->mf_mode = MULTI_FUNCTION_SI;
8561 bp->mf_config[vn] = MF_CFG_RD(bp,
8562 func_mf_config[func].config);
8563 } else
8564 DP(NETIF_MSG_PROBE, "illegal MAC "
8565 "address for SI\n");
8566 break;
8567 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8568 /* get OV configuration */
8569 val = MF_CFG_RD(bp,
8570 func_mf_config[FUNC_0].e1hov_tag);
8571 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8572
8573 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8574 bp->mf_mode = MULTI_FUNCTION_SD;
8575 bp->mf_config[vn] = MF_CFG_RD(bp,
8576 func_mf_config[func].config);
8577 } else
8578 DP(NETIF_MSG_PROBE, "illegal OV for "
8579 "SD\n");
8580 break;
8581 default:
8582 /* Unknown configuration: reset mf_config */
8583 bp->mf_config[vn] = 0;
8584 DP(NETIF_MSG_PROBE, "Unkown MF mode 0x%x\n",
8585 val);
8586 }
8587 }
8588
Eilon Greenstein2691d512009-08-12 08:22:08 +00008589 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008590 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008591
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008592 switch (bp->mf_mode) {
8593 case MULTI_FUNCTION_SD:
8594 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8595 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008596 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008597 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008598 BNX2X_DEV_INFO("MF OV for func %d is %d"
8599 " (0x%04x)\n", func,
8600 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008601 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008602 BNX2X_ERR("No valid MF OV for func %d,"
8603 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008604 rc = -EPERM;
8605 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008606 break;
8607 case MULTI_FUNCTION_SI:
8608 BNX2X_DEV_INFO("func %d is in MF "
8609 "switch-independent mode\n", func);
8610 break;
8611 default:
8612 if (vn) {
8613 BNX2X_ERR("VN %d in single function mode,"
8614 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008615 rc = -EPERM;
8616 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008617 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008618 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008619
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008620 }
8621
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008622 /* adjust igu_sb_cnt to MF for E1x */
8623 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008624 bp->igu_sb_cnt /= E1HVN_MAX;
8625
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008626 /*
8627 * adjust E2 sb count: to be removed when FW will support
8628 * more then 16 L2 clients
8629 */
8630#define MAX_L2_CLIENTS 16
8631 if (CHIP_IS_E2(bp))
8632 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8633 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8634
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008635 if (!BP_NOMCP(bp)) {
8636 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008637
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008638 bp->fw_seq =
8639 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8640 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008641 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8642 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008643
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008644 /* Get MAC addresses */
8645 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008646
8647 return rc;
8648}
8649
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008650static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8651{
8652 int cnt, i, block_end, rodi;
8653 char vpd_data[BNX2X_VPD_LEN+1];
8654 char str_id_reg[VENDOR_ID_LEN+1];
8655 char str_id_cap[VENDOR_ID_LEN+1];
8656 u8 len;
8657
8658 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8659 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8660
8661 if (cnt < BNX2X_VPD_LEN)
8662 goto out_not_found;
8663
8664 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8665 PCI_VPD_LRDT_RO_DATA);
8666 if (i < 0)
8667 goto out_not_found;
8668
8669
8670 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8671 pci_vpd_lrdt_size(&vpd_data[i]);
8672
8673 i += PCI_VPD_LRDT_TAG_SIZE;
8674
8675 if (block_end > BNX2X_VPD_LEN)
8676 goto out_not_found;
8677
8678 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8679 PCI_VPD_RO_KEYWORD_MFR_ID);
8680 if (rodi < 0)
8681 goto out_not_found;
8682
8683 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8684
8685 if (len != VENDOR_ID_LEN)
8686 goto out_not_found;
8687
8688 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8689
8690 /* vendor specific info */
8691 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8692 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8693 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8694 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8695
8696 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8697 PCI_VPD_RO_KEYWORD_VENDOR0);
8698 if (rodi >= 0) {
8699 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8700
8701 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8702
8703 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8704 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8705 bp->fw_ver[len] = ' ';
8706 }
8707 }
8708 return;
8709 }
8710out_not_found:
8711 return;
8712}
8713
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008714static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8715{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008716 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008717 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008718 int rc;
8719
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008720 /* Disable interrupt handling until HW is initialized */
8721 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008722 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008723
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008724 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008725 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008726 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008727#ifdef BCM_CNIC
8728 mutex_init(&bp->cnic_mutex);
8729#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008730
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008731 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008732 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008733
8734 rc = bnx2x_get_hwinfo(bp);
8735
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008736 if (!rc)
8737 rc = bnx2x_alloc_mem_bp(bp);
8738
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008739 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008740
8741 func = BP_FUNC(bp);
8742
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008743 /* need to reset chip if undi was active */
8744 if (!BP_NOMCP(bp))
8745 bnx2x_undi_unload(bp);
8746
8747 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008748 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008749
8750 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008751 dev_err(&bp->pdev->dev, "MCP disabled, "
8752 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008753
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008754 /* Set multi queue mode */
Eilon Greenstein8badd272009-02-12 08:36:15 +00008755 if ((multi_mode != ETH_RSS_MODE_DISABLED) &&
8756 ((int_mode == INT_MODE_INTx) || (int_mode == INT_MODE_MSI))) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008757 dev_err(&bp->pdev->dev, "Multi disabled since int_mode "
8758 "requested is not MSI-X\n");
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008759 multi_mode = ETH_RSS_MODE_DISABLED;
8760 }
8761 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008762 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008763
Dmitry Kravkov4fd89b7a2010-04-01 19:45:34 -07008764 bp->dev->features |= NETIF_F_GRO;
8765
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008766 /* Set TPA flags */
8767 if (disable_tpa) {
8768 bp->flags &= ~TPA_ENABLE_FLAG;
8769 bp->dev->features &= ~NETIF_F_LRO;
8770 } else {
8771 bp->flags |= TPA_ENABLE_FLAG;
8772 bp->dev->features |= NETIF_F_LRO;
8773 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008774 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008775
Eilon Greensteina18f5122009-08-12 08:23:26 +00008776 if (CHIP_IS_E1(bp))
8777 bp->dropless_fc = 0;
8778 else
8779 bp->dropless_fc = dropless_fc;
8780
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008781 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008782
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008783 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008784
8785 bp->rx_csum = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008786
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008787 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008788 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8789 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008790
Eilon Greenstein87942b42009-02-12 08:36:49 +00008791 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8792 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008793
8794 init_timer(&bp->timer);
8795 bp->timer.expires = jiffies + bp->current_interval;
8796 bp->timer.data = (unsigned long) bp;
8797 bp->timer.function = bnx2x_timer;
8798
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008799 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008800 bnx2x_dcbx_init_params(bp);
8801
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008802 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008803}
8804
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008805
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008806/****************************************************************************
8807* General service functions
8808****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008809
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008810/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008811static int bnx2x_open(struct net_device *dev)
8812{
8813 struct bnx2x *bp = netdev_priv(dev);
8814
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008815 netif_carrier_off(dev);
8816
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008817 bnx2x_set_power_state(bp, PCI_D0);
8818
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008819 if (!bnx2x_reset_is_done(bp)) {
8820 do {
8821 /* Reset MCP mail box sequence if there is on going
8822 * recovery
8823 */
8824 bp->fw_seq = 0;
8825
8826 /* If it's the first function to load and reset done
8827 * is still not cleared it may mean that. We don't
8828 * check the attention state here because it may have
8829 * already been cleared by a "common" reset but we
8830 * shell proceed with "process kill" anyway.
8831 */
8832 if ((bnx2x_get_load_cnt(bp) == 0) &&
8833 bnx2x_trylock_hw_lock(bp,
8834 HW_LOCK_RESOURCE_RESERVED_08) &&
8835 (!bnx2x_leader_reset(bp))) {
8836 DP(NETIF_MSG_HW, "Recovered in open\n");
8837 break;
8838 }
8839
8840 bnx2x_set_power_state(bp, PCI_D3hot);
8841
8842 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8843 " completed yet. Try again later. If u still see this"
8844 " message after a few retries then power cycle is"
8845 " required.\n", bp->dev->name);
8846
8847 return -EAGAIN;
8848 } while (0);
8849 }
8850
8851 bp->recovery_state = BNX2X_RECOVERY_DONE;
8852
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008853 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008854}
8855
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008856/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008857static int bnx2x_close(struct net_device *dev)
8858{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008859 struct bnx2x *bp = netdev_priv(dev);
8860
8861 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008862 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008863 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008864
8865 return 0;
8866}
8867
Eilon Greensteinf5372252009-02-12 08:38:30 +00008868/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008869void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008870{
8871 struct bnx2x *bp = netdev_priv(dev);
8872 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
8873 int port = BP_PORT(bp);
8874
8875 if (bp->state != BNX2X_STATE_OPEN) {
8876 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8877 return;
8878 }
8879
8880 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8881
8882 if (dev->flags & IFF_PROMISC)
8883 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008884 else if ((dev->flags & IFF_ALLMULTI) ||
Jiri Pirko4cd24ea2010-02-08 04:30:35 +00008885 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
8886 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008887 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008888 else { /* some multicasts */
8889 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008890 /*
8891 * set mc list, do not wait as wait implies sleep
8892 * and set_rx_mode can be invoked from non-sleepable
8893 * context
8894 */
8895 u8 offset = (CHIP_REV_IS_SLOW(bp) ?
8896 BNX2X_MAX_EMUL_MULTI*(1 + port) :
8897 BNX2X_MAX_MULTICAST*(1 + port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008898
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008899 bnx2x_set_e1_mc_list(bp, offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008900 } else { /* E1H */
8901 /* Accept one or more multicasts */
Jiri Pirko22bedad32010-04-01 21:22:57 +00008902 struct netdev_hw_addr *ha;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008903 u32 mc_filter[MC_HASH_SIZE];
8904 u32 crc, bit, regidx;
8905 int i;
8906
8907 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
8908
Jiri Pirko22bedad32010-04-01 21:22:57 +00008909 netdev_for_each_mc_addr(ha, dev) {
Johannes Berg7c510e42008-10-27 17:47:26 -07008910 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008911 bnx2x_mc_addr(ha));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008912
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008913 crc = crc32c_le(0, bnx2x_mc_addr(ha),
8914 ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008915 bit = (crc >> 24) & 0xff;
8916 regidx = bit >> 5;
8917 bit &= 0x1f;
8918 mc_filter[regidx] |= (1 << bit);
8919 }
8920
8921 for (i = 0; i < MC_HASH_SIZE; i++)
8922 REG_WR(bp, MC_HASH_OFFSET(bp, i),
8923 mc_filter[i]);
8924 }
8925 }
8926
8927 bp->rx_mode = rx_mode;
8928 bnx2x_set_storm_rx_mode(bp);
8929}
8930
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008931/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008932static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8933 int devad, u16 addr)
8934{
8935 struct bnx2x *bp = netdev_priv(netdev);
8936 u16 value;
8937 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008938
8939 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
8940 prtad, devad, addr);
8941
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008942 /* The HW expects different devad if CL22 is used */
8943 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8944
8945 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008946 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008947 bnx2x_release_phy_lock(bp);
8948 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
8949
8950 if (!rc)
8951 rc = value;
8952 return rc;
8953}
8954
8955/* called with rtnl_lock */
8956static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
8957 u16 addr, u16 value)
8958{
8959 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008960 int rc;
8961
8962 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
8963 " value 0x%x\n", prtad, devad, addr, value);
8964
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008965 /* The HW expects different devad if CL22 is used */
8966 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8967
8968 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008969 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008970 bnx2x_release_phy_lock(bp);
8971 return rc;
8972}
8973
8974/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008975static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
8976{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008977 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008978 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008979
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008980 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
8981 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008982
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008983 if (!netif_running(dev))
8984 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008985
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008986 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008987}
8988
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008989#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008990static void poll_bnx2x(struct net_device *dev)
8991{
8992 struct bnx2x *bp = netdev_priv(dev);
8993
8994 disable_irq(bp->pdev->irq);
8995 bnx2x_interrupt(bp->pdev->irq, dev);
8996 enable_irq(bp->pdev->irq);
8997}
8998#endif
8999
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009000static const struct net_device_ops bnx2x_netdev_ops = {
9001 .ndo_open = bnx2x_open,
9002 .ndo_stop = bnx2x_close,
9003 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009004 .ndo_select_queue = bnx2x_select_queue,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009005 .ndo_set_multicast_list = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009006 .ndo_set_mac_address = bnx2x_change_mac_addr,
9007 .ndo_validate_addr = eth_validate_addr,
9008 .ndo_do_ioctl = bnx2x_ioctl,
9009 .ndo_change_mtu = bnx2x_change_mtu,
9010 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009011#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009012 .ndo_poll_controller = poll_bnx2x,
9013#endif
9014};
9015
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009016static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9017 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009018{
9019 struct bnx2x *bp;
9020 int rc;
9021
9022 SET_NETDEV_DEV(dev, &pdev->dev);
9023 bp = netdev_priv(dev);
9024
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009025 bp->dev = dev;
9026 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009027 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009028 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009029
9030 rc = pci_enable_device(pdev);
9031 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009032 dev_err(&bp->pdev->dev,
9033 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009034 goto err_out;
9035 }
9036
9037 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009038 dev_err(&bp->pdev->dev,
9039 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009040 rc = -ENODEV;
9041 goto err_out_disable;
9042 }
9043
9044 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009045 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9046 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009047 rc = -ENODEV;
9048 goto err_out_disable;
9049 }
9050
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009051 if (atomic_read(&pdev->enable_cnt) == 1) {
9052 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9053 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009054 dev_err(&bp->pdev->dev,
9055 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009056 goto err_out_disable;
9057 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009058
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009059 pci_set_master(pdev);
9060 pci_save_state(pdev);
9061 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009062
9063 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9064 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009065 dev_err(&bp->pdev->dev,
9066 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009067 rc = -EIO;
9068 goto err_out_release;
9069 }
9070
9071 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9072 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009073 dev_err(&bp->pdev->dev,
9074 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009075 rc = -EIO;
9076 goto err_out_release;
9077 }
9078
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009079 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009080 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009081 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009082 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9083 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009084 rc = -EIO;
9085 goto err_out_release;
9086 }
9087
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009088 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009089 dev_err(&bp->pdev->dev,
9090 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009091 rc = -EIO;
9092 goto err_out_release;
9093 }
9094
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009095 dev->mem_start = pci_resource_start(pdev, 0);
9096 dev->base_addr = dev->mem_start;
9097 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009098
9099 dev->irq = pdev->irq;
9100
Arjan van de Ven275f1652008-10-20 21:42:39 -07009101 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009102 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009103 dev_err(&bp->pdev->dev,
9104 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009105 rc = -ENOMEM;
9106 goto err_out_release;
9107 }
9108
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009109 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009110 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009111 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009112 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009113 dev_err(&bp->pdev->dev,
9114 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009115 rc = -ENOMEM;
9116 goto err_out_unmap;
9117 }
9118
9119 bnx2x_set_power_state(bp, PCI_D0);
9120
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009121 /* clean indirect addresses */
9122 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9123 PCICFG_VENDOR_ID_OFFSET);
9124 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9125 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9126 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9127 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009128
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009129 /* Reset the load counter */
9130 bnx2x_clear_load_cnt(bp);
9131
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009132 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009133
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009134 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009135 bnx2x_set_ethtool_ops(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009136 dev->features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009137 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009138 if (bp->flags & USING_DAC_FLAG)
9139 dev->features |= NETIF_F_HIGHDMA;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009140 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9141 dev->features |= NETIF_F_TSO6;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009142 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009143
9144 dev->vlan_features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009145 dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009146 if (bp->flags & USING_DAC_FLAG)
9147 dev->vlan_features |= NETIF_F_HIGHDMA;
9148 dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9149 dev->vlan_features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009150
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009151#ifdef BCM_DCB
9152 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9153#endif
9154
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009155 /* get_port_hwinfo() will set prtad and mmds properly */
9156 bp->mdio.prtad = MDIO_PRTAD_NONE;
9157 bp->mdio.mmds = 0;
9158 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9159 bp->mdio.dev = dev;
9160 bp->mdio.mdio_read = bnx2x_mdio_read;
9161 bp->mdio.mdio_write = bnx2x_mdio_write;
9162
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009163 return 0;
9164
9165err_out_unmap:
9166 if (bp->regview) {
9167 iounmap(bp->regview);
9168 bp->regview = NULL;
9169 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009170 if (bp->doorbells) {
9171 iounmap(bp->doorbells);
9172 bp->doorbells = NULL;
9173 }
9174
9175err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009176 if (atomic_read(&pdev->enable_cnt) == 1)
9177 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009178
9179err_out_disable:
9180 pci_disable_device(pdev);
9181 pci_set_drvdata(pdev, NULL);
9182
9183err_out:
9184 return rc;
9185}
9186
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009187static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9188 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009189{
9190 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9191
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009192 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9193
9194 /* return value of 1=2.5GHz 2=5GHz */
9195 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009196}
9197
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009198static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009199{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009200 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009201 struct bnx2x_fw_file_hdr *fw_hdr;
9202 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009203 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009204 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009205 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009206 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009207
9208 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9209 return -EINVAL;
9210
9211 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9212 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9213
9214 /* Make sure none of the offsets and sizes make us read beyond
9215 * the end of the firmware data */
9216 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9217 offset = be32_to_cpu(sections[i].offset);
9218 len = be32_to_cpu(sections[i].len);
9219 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009220 dev_err(&bp->pdev->dev,
9221 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009222 return -EINVAL;
9223 }
9224 }
9225
9226 /* Likewise for the init_ops offsets */
9227 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9228 ops_offsets = (u16 *)(firmware->data + offset);
9229 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9230
9231 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9232 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009233 dev_err(&bp->pdev->dev,
9234 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009235 return -EINVAL;
9236 }
9237 }
9238
9239 /* Check FW version */
9240 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9241 fw_ver = firmware->data + offset;
9242 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9243 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9244 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9245 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009246 dev_err(&bp->pdev->dev,
9247 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009248 fw_ver[0], fw_ver[1], fw_ver[2],
9249 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9250 BCM_5710_FW_MINOR_VERSION,
9251 BCM_5710_FW_REVISION_VERSION,
9252 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009253 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009254 }
9255
9256 return 0;
9257}
9258
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009259static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009260{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009261 const __be32 *source = (const __be32 *)_source;
9262 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009263 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009264
9265 for (i = 0; i < n/4; i++)
9266 target[i] = be32_to_cpu(source[i]);
9267}
9268
9269/*
9270 Ops array is stored in the following format:
9271 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9272 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009273static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009274{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009275 const __be32 *source = (const __be32 *)_source;
9276 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009277 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009278
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009279 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009280 tmp = be32_to_cpu(source[j]);
9281 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009282 target[i].offset = tmp & 0xffffff;
9283 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009284 }
9285}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009286
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009287/**
9288 * IRO array is stored in the following format:
9289 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9290 */
9291static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9292{
9293 const __be32 *source = (const __be32 *)_source;
9294 struct iro *target = (struct iro *)_target;
9295 u32 i, j, tmp;
9296
9297 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9298 target[i].base = be32_to_cpu(source[j]);
9299 j++;
9300 tmp = be32_to_cpu(source[j]);
9301 target[i].m1 = (tmp >> 16) & 0xffff;
9302 target[i].m2 = tmp & 0xffff;
9303 j++;
9304 tmp = be32_to_cpu(source[j]);
9305 target[i].m3 = (tmp >> 16) & 0xffff;
9306 target[i].size = tmp & 0xffff;
9307 j++;
9308 }
9309}
9310
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009311static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009312{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009313 const __be16 *source = (const __be16 *)_source;
9314 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009315 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009316
9317 for (i = 0; i < n/2; i++)
9318 target[i] = be16_to_cpu(source[i]);
9319}
9320
Joe Perches7995c642010-02-17 15:01:52 +00009321#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9322do { \
9323 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9324 bp->arr = kmalloc(len, GFP_KERNEL); \
9325 if (!bp->arr) { \
9326 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9327 goto lbl; \
9328 } \
9329 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9330 (u8 *)bp->arr, len); \
9331} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009332
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009333int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009334{
Ben Hutchings45229b42009-11-07 11:53:39 +00009335 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009336 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009337 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009338
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009339 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009340 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009341 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009342 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009343 else if (CHIP_IS_E2(bp))
9344 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009345 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009346 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009347 return -EINVAL;
9348 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009349
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009350 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009351
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009352 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009353 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009354 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009355 goto request_firmware_exit;
9356 }
9357
9358 rc = bnx2x_check_firmware(bp);
9359 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009360 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009361 goto request_firmware_exit;
9362 }
9363
9364 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9365
9366 /* Initialize the pointers to the init arrays */
9367 /* Blob */
9368 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9369
9370 /* Opcodes */
9371 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9372
9373 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009374 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9375 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009376
9377 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009378 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9379 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9380 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9381 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9382 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9383 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9384 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9385 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9386 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9387 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9388 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9389 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9390 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9391 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9392 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9393 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009394 /* IRO */
9395 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009396
9397 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009398
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009399iro_alloc_err:
9400 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009401init_offsets_alloc_err:
9402 kfree(bp->init_ops);
9403init_ops_alloc_err:
9404 kfree(bp->init_data);
9405request_firmware_exit:
9406 release_firmware(bp->firmware);
9407
9408 return rc;
9409}
9410
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009411static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9412{
9413 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009414
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009415#ifdef BCM_CNIC
9416 cid_count += CNIC_CID_MAX;
9417#endif
9418 return roundup(cid_count, QM_CID_ROUND);
9419}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009420
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009421static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9422 const struct pci_device_id *ent)
9423{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009424 struct net_device *dev = NULL;
9425 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009426 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009427 int rc, cid_count;
9428
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009429 switch (ent->driver_data) {
9430 case BCM57710:
9431 case BCM57711:
9432 case BCM57711E:
9433 cid_count = FP_SB_MAX_E1x;
9434 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009435
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009436 case BCM57712:
9437 case BCM57712E:
9438 cid_count = FP_SB_MAX_E2;
9439 break;
9440
9441 default:
9442 pr_err("Unknown board_type (%ld), aborting\n",
9443 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009444 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009445 }
9446
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009447 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009448
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009449 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009450 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009451 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009452 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009453 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009454 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009455
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009456 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009457 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009458
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009459 pci_set_drvdata(pdev, dev);
9460
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009461 bp->l2_cid_count = cid_count;
9462
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009463 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009464 if (rc < 0) {
9465 free_netdev(dev);
9466 return rc;
9467 }
9468
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009469 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009470 if (rc)
9471 goto init_one_exit;
9472
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009473 /* calc qm_cid_count */
9474 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9475
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009476#ifdef BCM_CNIC
9477 /* disable FCOE L2 queue for E1x*/
9478 if (CHIP_IS_E1x(bp))
9479 bp->flags |= NO_FCOE_FLAG;
9480
9481#endif
9482
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009483 /* Configure interupt mode: try to enable MSI-X/MSI if
9484 * needed, set bp->num_queues appropriately.
9485 */
9486 bnx2x_set_int_mode(bp);
9487
9488 /* Add all NAPI objects */
9489 bnx2x_add_all_napi(bp);
9490
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009491 rc = register_netdev(dev);
9492 if (rc) {
9493 dev_err(&pdev->dev, "Cannot register net device\n");
9494 goto init_one_exit;
9495 }
9496
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009497#ifdef BCM_CNIC
9498 if (!NO_FCOE(bp)) {
9499 /* Add storage MAC address */
9500 rtnl_lock();
9501 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9502 rtnl_unlock();
9503 }
9504#endif
9505
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009506 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009507
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009508 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9509 " IRQ %d, ", board_info[ent->driver_data].name,
9510 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009511 pcie_width,
9512 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9513 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9514 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009515 dev->base_addr, bp->pdev->irq);
9516 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009517
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009518 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009519
9520init_one_exit:
9521 if (bp->regview)
9522 iounmap(bp->regview);
9523
9524 if (bp->doorbells)
9525 iounmap(bp->doorbells);
9526
9527 free_netdev(dev);
9528
9529 if (atomic_read(&pdev->enable_cnt) == 1)
9530 pci_release_regions(pdev);
9531
9532 pci_disable_device(pdev);
9533 pci_set_drvdata(pdev, NULL);
9534
9535 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009536}
9537
9538static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9539{
9540 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009541 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009542
Eliezer Tamir228241e2008-02-28 11:56:57 -08009543 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009544 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009545 return;
9546 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009547 bp = netdev_priv(dev);
9548
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009549#ifdef BCM_CNIC
9550 /* Delete storage MAC address */
9551 if (!NO_FCOE(bp)) {
9552 rtnl_lock();
9553 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9554 rtnl_unlock();
9555 }
9556#endif
9557
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009558 unregister_netdev(dev);
9559
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009560 /* Delete all NAPI objects */
9561 bnx2x_del_all_napi(bp);
9562
9563 /* Disable MSI/MSI-X */
9564 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009565
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009566 /* Make sure RESET task is not scheduled before continuing */
9567 cancel_delayed_work_sync(&bp->reset_task);
9568
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009569 if (bp->regview)
9570 iounmap(bp->regview);
9571
9572 if (bp->doorbells)
9573 iounmap(bp->doorbells);
9574
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009575 bnx2x_free_mem_bp(bp);
9576
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009577 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009578
9579 if (atomic_read(&pdev->enable_cnt) == 1)
9580 pci_release_regions(pdev);
9581
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009582 pci_disable_device(pdev);
9583 pci_set_drvdata(pdev, NULL);
9584}
9585
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009586static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9587{
9588 int i;
9589
9590 bp->state = BNX2X_STATE_ERROR;
9591
9592 bp->rx_mode = BNX2X_RX_MODE_NONE;
9593
9594 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009595 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009596
9597 del_timer_sync(&bp->timer);
9598 bp->stats_state = STATS_STATE_DISABLED;
9599 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9600
9601 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009602 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009603
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009604 /* Free SKBs, SGEs, TPA pool and driver internals */
9605 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009606
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009607 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009608 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009609
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009610 bnx2x_free_mem(bp);
9611
9612 bp->state = BNX2X_STATE_CLOSED;
9613
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009614 return 0;
9615}
9616
9617static void bnx2x_eeh_recover(struct bnx2x *bp)
9618{
9619 u32 val;
9620
9621 mutex_init(&bp->port.phy_mutex);
9622
9623 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9624 bp->link_params.shmem_base = bp->common.shmem_base;
9625 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9626
9627 if (!bp->common.shmem_base ||
9628 (bp->common.shmem_base < 0xA0000) ||
9629 (bp->common.shmem_base >= 0xC0000)) {
9630 BNX2X_DEV_INFO("MCP not active\n");
9631 bp->flags |= NO_MCP_FLAG;
9632 return;
9633 }
9634
9635 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9636 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9637 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9638 BNX2X_ERR("BAD MCP validity signature\n");
9639
9640 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009641 bp->fw_seq =
9642 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9643 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009644 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9645 }
9646}
9647
Wendy Xiong493adb12008-06-23 20:36:22 -07009648/**
9649 * bnx2x_io_error_detected - called when PCI error is detected
9650 * @pdev: Pointer to PCI device
9651 * @state: The current pci connection state
9652 *
9653 * This function is called after a PCI bus error affecting
9654 * this device has been detected.
9655 */
9656static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9657 pci_channel_state_t state)
9658{
9659 struct net_device *dev = pci_get_drvdata(pdev);
9660 struct bnx2x *bp = netdev_priv(dev);
9661
9662 rtnl_lock();
9663
9664 netif_device_detach(dev);
9665
Dean Nelson07ce50e2009-07-31 09:13:25 +00009666 if (state == pci_channel_io_perm_failure) {
9667 rtnl_unlock();
9668 return PCI_ERS_RESULT_DISCONNECT;
9669 }
9670
Wendy Xiong493adb12008-06-23 20:36:22 -07009671 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009672 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009673
9674 pci_disable_device(pdev);
9675
9676 rtnl_unlock();
9677
9678 /* Request a slot reset */
9679 return PCI_ERS_RESULT_NEED_RESET;
9680}
9681
9682/**
9683 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9684 * @pdev: Pointer to PCI device
9685 *
9686 * Restart the card from scratch, as if from a cold-boot.
9687 */
9688static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9689{
9690 struct net_device *dev = pci_get_drvdata(pdev);
9691 struct bnx2x *bp = netdev_priv(dev);
9692
9693 rtnl_lock();
9694
9695 if (pci_enable_device(pdev)) {
9696 dev_err(&pdev->dev,
9697 "Cannot re-enable PCI device after reset\n");
9698 rtnl_unlock();
9699 return PCI_ERS_RESULT_DISCONNECT;
9700 }
9701
9702 pci_set_master(pdev);
9703 pci_restore_state(pdev);
9704
9705 if (netif_running(dev))
9706 bnx2x_set_power_state(bp, PCI_D0);
9707
9708 rtnl_unlock();
9709
9710 return PCI_ERS_RESULT_RECOVERED;
9711}
9712
9713/**
9714 * bnx2x_io_resume - called when traffic can start flowing again
9715 * @pdev: Pointer to PCI device
9716 *
9717 * This callback is called when the error recovery driver tells us that
9718 * its OK to resume normal operation.
9719 */
9720static void bnx2x_io_resume(struct pci_dev *pdev)
9721{
9722 struct net_device *dev = pci_get_drvdata(pdev);
9723 struct bnx2x *bp = netdev_priv(dev);
9724
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009725 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009726 printk(KERN_ERR "Handling parity error recovery. "
9727 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009728 return;
9729 }
9730
Wendy Xiong493adb12008-06-23 20:36:22 -07009731 rtnl_lock();
9732
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009733 bnx2x_eeh_recover(bp);
9734
Wendy Xiong493adb12008-06-23 20:36:22 -07009735 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009736 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009737
9738 netif_device_attach(dev);
9739
9740 rtnl_unlock();
9741}
9742
9743static struct pci_error_handlers bnx2x_err_handler = {
9744 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009745 .slot_reset = bnx2x_io_slot_reset,
9746 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009747};
9748
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009749static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009750 .name = DRV_MODULE_NAME,
9751 .id_table = bnx2x_pci_tbl,
9752 .probe = bnx2x_init_one,
9753 .remove = __devexit_p(bnx2x_remove_one),
9754 .suspend = bnx2x_suspend,
9755 .resume = bnx2x_resume,
9756 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009757};
9758
9759static int __init bnx2x_init(void)
9760{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009761 int ret;
9762
Joe Perches7995c642010-02-17 15:01:52 +00009763 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009764
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009765 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9766 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009767 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009768 return -ENOMEM;
9769 }
9770
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009771 ret = pci_register_driver(&bnx2x_pci_driver);
9772 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009773 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009774 destroy_workqueue(bnx2x_wq);
9775 }
9776 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009777}
9778
9779static void __exit bnx2x_cleanup(void)
9780{
9781 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009782
9783 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009784}
9785
9786module_init(bnx2x_init);
9787module_exit(bnx2x_cleanup);
9788
Michael Chan993ac7b2009-10-10 13:46:56 +00009789#ifdef BCM_CNIC
9790
9791/* count denotes the number of new completions we have seen */
9792static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9793{
9794 struct eth_spe *spe;
9795
9796#ifdef BNX2X_STOP_ON_ERROR
9797 if (unlikely(bp->panic))
9798 return;
9799#endif
9800
9801 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009802 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009803 bp->cnic_spq_pending -= count;
9804
Michael Chan993ac7b2009-10-10 13:46:56 +00009805
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009806 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9807 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9808 & SPE_HDR_CONN_TYPE) >>
9809 SPE_HDR_CONN_TYPE_SHIFT;
9810
9811 /* Set validation for iSCSI L2 client before sending SETUP
9812 * ramrod
9813 */
9814 if (type == ETH_CONNECTION_TYPE) {
9815 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9816 hdr.conn_and_cmd_data) >>
9817 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9818
9819 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9820 bnx2x_set_ctx_validation(&bp->context.
9821 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9822 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9823 }
9824
9825 /* There may be not more than 8 L2 and COMMON SPEs and not more
9826 * than 8 L5 SPEs in the air.
9827 */
9828 if ((type == NONE_CONNECTION_TYPE) ||
9829 (type == ETH_CONNECTION_TYPE)) {
9830 if (!atomic_read(&bp->spq_left))
9831 break;
9832 else
9833 atomic_dec(&bp->spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009834 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9835 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009836 if (bp->cnic_spq_pending >=
9837 bp->cnic_eth_dev.max_kwqe_pending)
9838 break;
9839 else
9840 bp->cnic_spq_pending++;
9841 } else {
9842 BNX2X_ERR("Unknown SPE type: %d\n", type);
9843 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009844 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009845 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009846
9847 spe = bnx2x_sp_get_next(bp);
9848 *spe = *bp->cnic_kwq_cons;
9849
Michael Chan993ac7b2009-10-10 13:46:56 +00009850 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9851 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9852
9853 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9854 bp->cnic_kwq_cons = bp->cnic_kwq;
9855 else
9856 bp->cnic_kwq_cons++;
9857 }
9858 bnx2x_sp_prod_update(bp);
9859 spin_unlock_bh(&bp->spq_lock);
9860}
9861
9862static int bnx2x_cnic_sp_queue(struct net_device *dev,
9863 struct kwqe_16 *kwqes[], u32 count)
9864{
9865 struct bnx2x *bp = netdev_priv(dev);
9866 int i;
9867
9868#ifdef BNX2X_STOP_ON_ERROR
9869 if (unlikely(bp->panic))
9870 return -EIO;
9871#endif
9872
9873 spin_lock_bh(&bp->spq_lock);
9874
9875 for (i = 0; i < count; i++) {
9876 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9877
9878 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9879 break;
9880
9881 *bp->cnic_kwq_prod = *spe;
9882
9883 bp->cnic_kwq_pending++;
9884
9885 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9886 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009887 spe->data.update_data_addr.hi,
9888 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +00009889 bp->cnic_kwq_pending);
9890
9891 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9892 bp->cnic_kwq_prod = bp->cnic_kwq;
9893 else
9894 bp->cnic_kwq_prod++;
9895 }
9896
9897 spin_unlock_bh(&bp->spq_lock);
9898
9899 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9900 bnx2x_cnic_sp_post(bp, 0);
9901
9902 return i;
9903}
9904
9905static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9906{
9907 struct cnic_ops *c_ops;
9908 int rc = 0;
9909
9910 mutex_lock(&bp->cnic_mutex);
9911 c_ops = bp->cnic_ops;
9912 if (c_ops)
9913 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9914 mutex_unlock(&bp->cnic_mutex);
9915
9916 return rc;
9917}
9918
9919static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9920{
9921 struct cnic_ops *c_ops;
9922 int rc = 0;
9923
9924 rcu_read_lock();
9925 c_ops = rcu_dereference(bp->cnic_ops);
9926 if (c_ops)
9927 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9928 rcu_read_unlock();
9929
9930 return rc;
9931}
9932
9933/*
9934 * for commands that have no data
9935 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009936int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +00009937{
9938 struct cnic_ctl_info ctl = {0};
9939
9940 ctl.cmd = cmd;
9941
9942 return bnx2x_cnic_ctl_send(bp, &ctl);
9943}
9944
9945static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
9946{
9947 struct cnic_ctl_info ctl;
9948
9949 /* first we tell CNIC and only then we count this as a completion */
9950 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
9951 ctl.data.comp.cid = cid;
9952
9953 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009954 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +00009955}
9956
9957static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
9958{
9959 struct bnx2x *bp = netdev_priv(dev);
9960 int rc = 0;
9961
9962 switch (ctl->cmd) {
9963 case DRV_CTL_CTXTBL_WR_CMD: {
9964 u32 index = ctl->data.io.offset;
9965 dma_addr_t addr = ctl->data.io.dma_addr;
9966
9967 bnx2x_ilt_wr(bp, index, addr);
9968 break;
9969 }
9970
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009971 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
9972 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +00009973
9974 bnx2x_cnic_sp_post(bp, count);
9975 break;
9976 }
9977
9978 /* rtnl_lock is held. */
9979 case DRV_CTL_START_L2_CMD: {
9980 u32 cli = ctl->data.ring.client_id;
9981
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009982 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
9983 bnx2x_del_fcoe_eth_macs(bp);
9984
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009985 /* Set iSCSI MAC address */
9986 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
9987
9988 mmiowb();
9989 barrier();
9990
9991 /* Start accepting on iSCSI L2 ring. Accept all multicasts
9992 * because it's the only way for UIO Client to accept
9993 * multicasts (in non-promiscuous mode only one Client per
9994 * function will receive multicast packets (leading in our
9995 * case).
9996 */
9997 bnx2x_rxq_set_mac_filters(bp, cli,
9998 BNX2X_ACCEPT_UNICAST |
9999 BNX2X_ACCEPT_BROADCAST |
10000 BNX2X_ACCEPT_ALL_MULTICAST);
10001 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10002
Michael Chan993ac7b2009-10-10 13:46:56 +000010003 break;
10004 }
10005
10006 /* rtnl_lock is held. */
10007 case DRV_CTL_STOP_L2_CMD: {
10008 u32 cli = ctl->data.ring.client_id;
10009
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010010 /* Stop accepting on iSCSI L2 ring */
10011 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10012 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10013
10014 mmiowb();
10015 barrier();
10016
10017 /* Unset iSCSI L2 MAC */
10018 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010019 break;
10020 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010021 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10022 int count = ctl->data.credit.credit_count;
10023
10024 smp_mb__before_atomic_inc();
10025 atomic_add(count, &bp->spq_left);
10026 smp_mb__after_atomic_inc();
10027 break;
10028 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010029
10030 default:
10031 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10032 rc = -EINVAL;
10033 }
10034
10035 return rc;
10036}
10037
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010038void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010039{
10040 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10041
10042 if (bp->flags & USING_MSIX_FLAG) {
10043 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10044 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10045 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10046 } else {
10047 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10048 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10049 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010050 if (CHIP_IS_E2(bp))
10051 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10052 else
10053 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10054
Michael Chan993ac7b2009-10-10 13:46:56 +000010055 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010056 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010057 cp->irq_arr[1].status_blk = bp->def_status_blk;
10058 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010059 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010060
10061 cp->num_irq = 2;
10062}
10063
10064static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10065 void *data)
10066{
10067 struct bnx2x *bp = netdev_priv(dev);
10068 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10069
10070 if (ops == NULL)
10071 return -EINVAL;
10072
10073 if (atomic_read(&bp->intr_sem) != 0)
10074 return -EBUSY;
10075
10076 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10077 if (!bp->cnic_kwq)
10078 return -ENOMEM;
10079
10080 bp->cnic_kwq_cons = bp->cnic_kwq;
10081 bp->cnic_kwq_prod = bp->cnic_kwq;
10082 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10083
10084 bp->cnic_spq_pending = 0;
10085 bp->cnic_kwq_pending = 0;
10086
10087 bp->cnic_data = data;
10088
10089 cp->num_irq = 0;
10090 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010091 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010092
Michael Chan993ac7b2009-10-10 13:46:56 +000010093 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010094
Michael Chan993ac7b2009-10-10 13:46:56 +000010095 rcu_assign_pointer(bp->cnic_ops, ops);
10096
10097 return 0;
10098}
10099
10100static int bnx2x_unregister_cnic(struct net_device *dev)
10101{
10102 struct bnx2x *bp = netdev_priv(dev);
10103 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10104
10105 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010106 cp->drv_state = 0;
10107 rcu_assign_pointer(bp->cnic_ops, NULL);
10108 mutex_unlock(&bp->cnic_mutex);
10109 synchronize_rcu();
10110 kfree(bp->cnic_kwq);
10111 bp->cnic_kwq = NULL;
10112
10113 return 0;
10114}
10115
10116struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10117{
10118 struct bnx2x *bp = netdev_priv(dev);
10119 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10120
10121 cp->drv_owner = THIS_MODULE;
10122 cp->chip_id = CHIP_ID(bp);
10123 cp->pdev = bp->pdev;
10124 cp->io_base = bp->regview;
10125 cp->io_base2 = bp->doorbells;
10126 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010127 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010128 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10129 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010130 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010131 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010132 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10133 cp->drv_ctl = bnx2x_drv_ctl;
10134 cp->drv_register_cnic = bnx2x_register_cnic;
10135 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010136 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10137 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10138 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010139 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010140
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010141 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10142 "starting cid %d\n",
10143 cp->ctx_blk_size,
10144 cp->ctx_tbl_offset,
10145 cp->ctx_tbl_len,
10146 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010147 return cp;
10148}
10149EXPORT_SYMBOL(bnx2x_cnic_probe);
10150
10151#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010152