blob: d584d32c747dc447eb12bdcbfb1fe6704be47213 [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Vladislav Zolotarov3359fce2010-02-17 13:35:01 -08003 * Copyright (c) 2007-2010 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
Eilon Greensteinca003922009-08-12 22:53:28 -070013 * Slowpath and fastpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020026#include <linux/interrupt.h>
27#include <linux/pci.h>
28#include <linux/init.h>
29#include <linux/netdevice.h>
30#include <linux/etherdevice.h>
31#include <linux/skbuff.h>
32#include <linux/dma-mapping.h>
33#include <linux/bitops.h>
34#include <linux/irq.h>
35#include <linux/delay.h>
36#include <asm/byteorder.h>
37#include <linux/time.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080040#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020041#include <net/ip.h>
42#include <net/tcp.h>
43#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070044#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <linux/workqueue.h>
46#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/prefetch.h>
49#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020050#include <linux/io.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000051#include <linux/stringify.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020052
Dmitry Kravkovb0efbb92010-07-27 12:33:43 +000053#define BNX2X_MAIN
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020054#include "bnx2x.h"
55#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070056#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000057#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000058#include "bnx2x_dcb.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020059
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include <linux/firmware.h>
61#include "bnx2x_fw_file_hdr.h"
62/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000063#define FW_FILE_VERSION \
64 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
65 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
66 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
67 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000068#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
69#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000070#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070071
Eilon Greenstein34f80b02008-06-23 20:33:01 -070072/* Time in jiffies before concluding the transmitter is hung */
73#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020074
Andrew Morton53a10562008-02-09 23:16:41 -080075static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070076 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020077 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
78
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070079MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000080MODULE_DESCRIPTION("Broadcom NetXtreme II "
81 "BCM57710/57711/57711E/57712/57712E Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082MODULE_LICENSE("GPL");
83MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000084MODULE_FIRMWARE(FW_FILE_NAME_E1);
85MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000086MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020087
Eilon Greenstein555f6c72009-02-12 08:36:11 +000088static int multi_mode = 1;
89module_param(multi_mode, int, 0);
Eilon Greensteinca003922009-08-12 22:53:28 -070090MODULE_PARM_DESC(multi_mode, " Multi queue mode "
91 "(0 Disable; 1 Enable (default))");
92
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000093int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000094module_param(num_queues, int, 0);
95MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
96 " (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +000097
Eilon Greenstein19680c42008-08-13 15:47:33 -070098static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -070099module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000100MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000101
102static int int_mode;
103module_param(int_mode, int, 0);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000104MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
105 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
Eilon Greensteina18f5122009-08-12 08:23:26 +0000107static int dropless_fc;
108module_param(dropless_fc, int, 0);
109MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
110
Eilon Greenstein9898f862009-02-12 08:38:27 +0000111static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200112module_param(poll, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000113MODULE_PARM_DESC(poll, " Use polling (for debug)");
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000114
115static int mrrs = -1;
116module_param(mrrs, int, 0);
117MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
118
Eilon Greenstein9898f862009-02-12 08:38:27 +0000119static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200120module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000121MODULE_PARM_DESC(debug, " Default debug msglevel");
122
Eilon Greenstein1cf167f2009-01-14 21:22:18 -0800123static struct workqueue_struct *bnx2x_wq;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200124
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000125#ifdef BCM_CNIC
126static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
127#endif
128
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200129enum bnx2x_board_type {
130 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700131 BCM57711 = 1,
132 BCM57711E = 2,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000133 BCM57712 = 3,
134 BCM57712E = 4
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200135};
136
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700137/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800138static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200139 char *name;
140} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700141 { "Broadcom NetXtreme II BCM57710 XGb" },
142 { "Broadcom NetXtreme II BCM57711 XGb" },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000143 { "Broadcom NetXtreme II BCM57711E XGb" },
144 { "Broadcom NetXtreme II BCM57712 XGb" },
145 { "Broadcom NetXtreme II BCM57712E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200146};
147
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000148#ifndef PCI_DEVICE_ID_NX2_57712
149#define PCI_DEVICE_ID_NX2_57712 0x1662
150#endif
151#ifndef PCI_DEVICE_ID_NX2_57712E
152#define PCI_DEVICE_ID_NX2_57712E 0x1663
153#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700154
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000155static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000156 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
157 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
158 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000159 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
160 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200161 { 0 }
162};
163
164MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
165
166/****************************************************************************
167* General service functions
168****************************************************************************/
169
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000170static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
171 u32 addr, dma_addr_t mapping)
172{
173 REG_WR(bp, addr, U64_LO(mapping));
174 REG_WR(bp, addr + 4, U64_HI(mapping));
175}
176
177static inline void __storm_memset_fill(struct bnx2x *bp,
178 u32 addr, size_t size, u32 val)
179{
180 int i;
181 for (i = 0; i < size/4; i++)
182 REG_WR(bp, addr + (i * 4), val);
183}
184
185static inline void storm_memset_ustats_zero(struct bnx2x *bp,
186 u8 port, u16 stat_id)
187{
188 size_t size = sizeof(struct ustorm_per_client_stats);
189
190 u32 addr = BAR_USTRORM_INTMEM +
191 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
192
193 __storm_memset_fill(bp, addr, size, 0);
194}
195
196static inline void storm_memset_tstats_zero(struct bnx2x *bp,
197 u8 port, u16 stat_id)
198{
199 size_t size = sizeof(struct tstorm_per_client_stats);
200
201 u32 addr = BAR_TSTRORM_INTMEM +
202 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
203
204 __storm_memset_fill(bp, addr, size, 0);
205}
206
207static inline void storm_memset_xstats_zero(struct bnx2x *bp,
208 u8 port, u16 stat_id)
209{
210 size_t size = sizeof(struct xstorm_per_client_stats);
211
212 u32 addr = BAR_XSTRORM_INTMEM +
213 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
214
215 __storm_memset_fill(bp, addr, size, 0);
216}
217
218
219static inline void storm_memset_spq_addr(struct bnx2x *bp,
220 dma_addr_t mapping, u16 abs_fid)
221{
222 u32 addr = XSEM_REG_FAST_MEMORY +
223 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
224
225 __storm_memset_dma_mapping(bp, addr, mapping);
226}
227
228static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
229{
230 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
231}
232
233static inline void storm_memset_func_cfg(struct bnx2x *bp,
234 struct tstorm_eth_function_common_config *tcfg,
235 u16 abs_fid)
236{
237 size_t size = sizeof(struct tstorm_eth_function_common_config);
238
239 u32 addr = BAR_TSTRORM_INTMEM +
240 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
241
242 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
243}
244
245static inline void storm_memset_xstats_flags(struct bnx2x *bp,
246 struct stats_indication_flags *flags,
247 u16 abs_fid)
248{
249 size_t size = sizeof(struct stats_indication_flags);
250
251 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
252
253 __storm_memset_struct(bp, addr, size, (u32 *)flags);
254}
255
256static inline void storm_memset_tstats_flags(struct bnx2x *bp,
257 struct stats_indication_flags *flags,
258 u16 abs_fid)
259{
260 size_t size = sizeof(struct stats_indication_flags);
261
262 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
263
264 __storm_memset_struct(bp, addr, size, (u32 *)flags);
265}
266
267static inline void storm_memset_ustats_flags(struct bnx2x *bp,
268 struct stats_indication_flags *flags,
269 u16 abs_fid)
270{
271 size_t size = sizeof(struct stats_indication_flags);
272
273 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
274
275 __storm_memset_struct(bp, addr, size, (u32 *)flags);
276}
277
278static inline void storm_memset_cstats_flags(struct bnx2x *bp,
279 struct stats_indication_flags *flags,
280 u16 abs_fid)
281{
282 size_t size = sizeof(struct stats_indication_flags);
283
284 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
285
286 __storm_memset_struct(bp, addr, size, (u32 *)flags);
287}
288
289static inline void storm_memset_xstats_addr(struct bnx2x *bp,
290 dma_addr_t mapping, u16 abs_fid)
291{
292 u32 addr = BAR_XSTRORM_INTMEM +
293 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
294
295 __storm_memset_dma_mapping(bp, addr, mapping);
296}
297
298static inline void storm_memset_tstats_addr(struct bnx2x *bp,
299 dma_addr_t mapping, u16 abs_fid)
300{
301 u32 addr = BAR_TSTRORM_INTMEM +
302 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
303
304 __storm_memset_dma_mapping(bp, addr, mapping);
305}
306
307static inline void storm_memset_ustats_addr(struct bnx2x *bp,
308 dma_addr_t mapping, u16 abs_fid)
309{
310 u32 addr = BAR_USTRORM_INTMEM +
311 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
312
313 __storm_memset_dma_mapping(bp, addr, mapping);
314}
315
316static inline void storm_memset_cstats_addr(struct bnx2x *bp,
317 dma_addr_t mapping, u16 abs_fid)
318{
319 u32 addr = BAR_CSTRORM_INTMEM +
320 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
321
322 __storm_memset_dma_mapping(bp, addr, mapping);
323}
324
325static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
326 u16 pf_id)
327{
328 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
329 pf_id);
330 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
331 pf_id);
332 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
333 pf_id);
334 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
335 pf_id);
336}
337
338static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
339 u8 enable)
340{
341 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
342 enable);
343 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
344 enable);
345 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
346 enable);
347 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
348 enable);
349}
350
351static inline void storm_memset_eq_data(struct bnx2x *bp,
352 struct event_ring_data *eq_data,
353 u16 pfid)
354{
355 size_t size = sizeof(struct event_ring_data);
356
357 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
358
359 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
360}
361
362static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
363 u16 pfid)
364{
365 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
366 REG_WR16(bp, addr, eq_prod);
367}
368
369static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
370 u16 fw_sb_id, u8 sb_index,
371 u8 ticks)
372{
373
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000374 int index_offset = CHIP_IS_E2(bp) ?
375 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000376 offsetof(struct hc_status_block_data_e1x, index_data);
377 u32 addr = BAR_CSTRORM_INTMEM +
378 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
379 index_offset +
380 sizeof(struct hc_index_data)*sb_index +
381 offsetof(struct hc_index_data, timeout);
382 REG_WR8(bp, addr, ticks);
383 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
384 port, fw_sb_id, sb_index, ticks);
385}
386static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
387 u16 fw_sb_id, u8 sb_index,
388 u8 disable)
389{
390 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000391 int index_offset = CHIP_IS_E2(bp) ?
392 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000393 offsetof(struct hc_status_block_data_e1x, index_data);
394 u32 addr = BAR_CSTRORM_INTMEM +
395 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
396 index_offset +
397 sizeof(struct hc_index_data)*sb_index +
398 offsetof(struct hc_index_data, flags);
399 u16 flags = REG_RD16(bp, addr);
400 /* clear and set */
401 flags &= ~HC_INDEX_DATA_HC_ENABLED;
402 flags |= enable_flag;
403 REG_WR16(bp, addr, flags);
404 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
405 port, fw_sb_id, sb_index, disable);
406}
407
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200408/* used only at init
409 * locking is done by mcp
410 */
stephen hemminger8d962862010-10-21 07:50:56 +0000411static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200412{
413 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
414 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
415 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
416 PCICFG_VENDOR_ID_OFFSET);
417}
418
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200419static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
420{
421 u32 val;
422
423 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
424 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
425 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
426 PCICFG_VENDOR_ID_OFFSET);
427
428 return val;
429}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200430
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000431#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
432#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
433#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
434#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
435#define DMAE_DP_DST_NONE "dst_addr [none]"
436
stephen hemminger8d962862010-10-21 07:50:56 +0000437static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
438 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000439{
440 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
441
442 switch (dmae->opcode & DMAE_COMMAND_DST) {
443 case DMAE_CMD_DST_PCI:
444 if (src_type == DMAE_CMD_SRC_PCI)
445 DP(msglvl, "DMAE: opcode 0x%08x\n"
446 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
447 "comp_addr [%x:%08x], comp_val 0x%08x\n",
448 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
449 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
450 dmae->comp_addr_hi, dmae->comp_addr_lo,
451 dmae->comp_val);
452 else
453 DP(msglvl, "DMAE: opcode 0x%08x\n"
454 "src [%08x], len [%d*4], dst [%x:%08x]\n"
455 "comp_addr [%x:%08x], comp_val 0x%08x\n",
456 dmae->opcode, dmae->src_addr_lo >> 2,
457 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
458 dmae->comp_addr_hi, dmae->comp_addr_lo,
459 dmae->comp_val);
460 break;
461 case DMAE_CMD_DST_GRC:
462 if (src_type == DMAE_CMD_SRC_PCI)
463 DP(msglvl, "DMAE: opcode 0x%08x\n"
464 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
465 "comp_addr [%x:%08x], comp_val 0x%08x\n",
466 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
467 dmae->len, dmae->dst_addr_lo >> 2,
468 dmae->comp_addr_hi, dmae->comp_addr_lo,
469 dmae->comp_val);
470 else
471 DP(msglvl, "DMAE: opcode 0x%08x\n"
472 "src [%08x], len [%d*4], dst [%08x]\n"
473 "comp_addr [%x:%08x], comp_val 0x%08x\n",
474 dmae->opcode, dmae->src_addr_lo >> 2,
475 dmae->len, dmae->dst_addr_lo >> 2,
476 dmae->comp_addr_hi, dmae->comp_addr_lo,
477 dmae->comp_val);
478 break;
479 default:
480 if (src_type == DMAE_CMD_SRC_PCI)
481 DP(msglvl, "DMAE: opcode 0x%08x\n"
482 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
483 "dst_addr [none]\n"
484 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
485 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
486 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
487 dmae->comp_val);
488 else
489 DP(msglvl, "DMAE: opcode 0x%08x\n"
490 DP_LEVEL "src_addr [%08x] len [%d * 4] "
491 "dst_addr [none]\n"
492 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
493 dmae->opcode, dmae->src_addr_lo >> 2,
494 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
495 dmae->comp_val);
496 break;
497 }
498
499}
500
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000501const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200502 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
503 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
504 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
505 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
506};
507
508/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000509void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200510{
511 u32 cmd_offset;
512 int i;
513
514 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
515 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
516 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
517
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700518 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
519 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200520 }
521 REG_WR(bp, dmae_reg_go_c[idx], 1);
522}
523
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000524u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
525{
526 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
527 DMAE_CMD_C_ENABLE);
528}
529
530u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
531{
532 return opcode & ~DMAE_CMD_SRC_RESET;
533}
534
535u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
536 bool with_comp, u8 comp_type)
537{
538 u32 opcode = 0;
539
540 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
541 (dst_type << DMAE_COMMAND_DST_SHIFT));
542
543 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
544
545 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
546 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
547 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
548 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
549
550#ifdef __BIG_ENDIAN
551 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
552#else
553 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
554#endif
555 if (with_comp)
556 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
557 return opcode;
558}
559
stephen hemminger8d962862010-10-21 07:50:56 +0000560static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
561 struct dmae_command *dmae,
562 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000563{
564 memset(dmae, 0, sizeof(struct dmae_command));
565
566 /* set the opcode */
567 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
568 true, DMAE_COMP_PCI);
569
570 /* fill in the completion parameters */
571 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
572 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
573 dmae->comp_val = DMAE_COMP_VAL;
574}
575
576/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000577static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
578 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000579{
580 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
581 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40;
582 int rc = 0;
583
584 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
585 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
586 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
587
588 /* lock the dmae channel */
589 mutex_lock(&bp->dmae_mutex);
590
591 /* reset completion */
592 *wb_comp = 0;
593
594 /* post the command on the channel used for initializations */
595 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
596
597 /* wait for completion */
598 udelay(5);
599 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
600 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
601
602 if (!cnt) {
603 BNX2X_ERR("DMAE timeout!\n");
604 rc = DMAE_TIMEOUT;
605 goto unlock;
606 }
607 cnt--;
608 udelay(50);
609 }
610 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
611 BNX2X_ERR("DMAE PCI error!\n");
612 rc = DMAE_PCI_ERROR;
613 }
614
615 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
616 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
617 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
618
619unlock:
620 mutex_unlock(&bp->dmae_mutex);
621 return rc;
622}
623
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700624void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
625 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200626{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000627 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700628
629 if (!bp->dmae_ready) {
630 u32 *data = bnx2x_sp(bp, wb_data[0]);
631
632 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
633 " using indirect\n", dst_addr, len32);
634 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
635 return;
636 }
637
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000638 /* set opcode and fixed command fields */
639 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000641 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000642 dmae.src_addr_lo = U64_LO(dma_addr);
643 dmae.src_addr_hi = U64_HI(dma_addr);
644 dmae.dst_addr_lo = dst_addr >> 2;
645 dmae.dst_addr_hi = 0;
646 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200647
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000648 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200649
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000650 /* issue the command and wait for completion */
651 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200652}
653
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700654void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200655{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000656 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700657
658 if (!bp->dmae_ready) {
659 u32 *data = bnx2x_sp(bp, wb_data[0]);
660 int i;
661
662 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
663 " using indirect\n", src_addr, len32);
664 for (i = 0; i < len32; i++)
665 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
666 return;
667 }
668
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000669 /* set opcode and fixed command fields */
670 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000672 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000673 dmae.src_addr_lo = src_addr >> 2;
674 dmae.src_addr_hi = 0;
675 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
676 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
677 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200678
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000679 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200680
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000681 /* issue the command and wait for completion */
682 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200683}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200684
stephen hemminger8d962862010-10-21 07:50:56 +0000685static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
686 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000687{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000688 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000689 int offset = 0;
690
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000691 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000692 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000693 addr + offset, dmae_wr_max);
694 offset += dmae_wr_max * 4;
695 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000696 }
697
698 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
699}
700
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700701/* used only for slowpath so not inlined */
702static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
703{
704 u32 wb_write[2];
705
706 wb_write[0] = val_hi;
707 wb_write[1] = val_lo;
708 REG_WR_DMAE(bp, reg, wb_write, 2);
709}
710
711#ifdef USE_WB_RD
712static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
713{
714 u32 wb_data[2];
715
716 REG_RD_DMAE(bp, reg, wb_data, 2);
717
718 return HILO_U64(wb_data[0], wb_data[1]);
719}
720#endif
721
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200722static int bnx2x_mc_assert(struct bnx2x *bp)
723{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200724 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700725 int i, rc = 0;
726 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700728 /* XSTORM */
729 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
730 XSTORM_ASSERT_LIST_INDEX_OFFSET);
731 if (last_idx)
732 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200733
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700734 /* print the asserts */
735 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200736
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700737 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
738 XSTORM_ASSERT_LIST_OFFSET(i));
739 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
740 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
741 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
742 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
743 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
744 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200745
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700746 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
747 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
748 " 0x%08x 0x%08x 0x%08x\n",
749 i, row3, row2, row1, row0);
750 rc++;
751 } else {
752 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200753 }
754 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700755
756 /* TSTORM */
757 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
758 TSTORM_ASSERT_LIST_INDEX_OFFSET);
759 if (last_idx)
760 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
761
762 /* print the asserts */
763 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
764
765 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
766 TSTORM_ASSERT_LIST_OFFSET(i));
767 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
768 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
769 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
770 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
771 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
772 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
773
774 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
775 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
776 " 0x%08x 0x%08x 0x%08x\n",
777 i, row3, row2, row1, row0);
778 rc++;
779 } else {
780 break;
781 }
782 }
783
784 /* CSTORM */
785 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
786 CSTORM_ASSERT_LIST_INDEX_OFFSET);
787 if (last_idx)
788 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
789
790 /* print the asserts */
791 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
792
793 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
794 CSTORM_ASSERT_LIST_OFFSET(i));
795 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
796 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
797 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
798 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
799 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
800 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
801
802 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
803 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
804 " 0x%08x 0x%08x 0x%08x\n",
805 i, row3, row2, row1, row0);
806 rc++;
807 } else {
808 break;
809 }
810 }
811
812 /* USTORM */
813 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
814 USTORM_ASSERT_LIST_INDEX_OFFSET);
815 if (last_idx)
816 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
817
818 /* print the asserts */
819 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
820
821 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
822 USTORM_ASSERT_LIST_OFFSET(i));
823 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
824 USTORM_ASSERT_LIST_OFFSET(i) + 4);
825 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
826 USTORM_ASSERT_LIST_OFFSET(i) + 8);
827 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
828 USTORM_ASSERT_LIST_OFFSET(i) + 12);
829
830 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
831 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
832 " 0x%08x 0x%08x 0x%08x\n",
833 i, row3, row2, row1, row0);
834 rc++;
835 } else {
836 break;
837 }
838 }
839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200840 return rc;
841}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800842
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200843static void bnx2x_fw_dump(struct bnx2x *bp)
844{
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000845 u32 addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200846 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000847 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200848 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000849 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000850 if (BP_NOMCP(bp)) {
851 BNX2X_ERR("NO MCP - can not dump\n");
852 return;
853 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000854
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000855 if (BP_PATH(bp) == 0)
856 trace_shmem_base = bp->common.shmem_base;
857 else
858 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
859 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000860 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000861 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
862 + ((mark + 0x3) & ~0x3) - 0x08000000;
Joe Perches7995c642010-02-17 15:01:52 +0000863 pr_err("begin fw dump (mark 0x%x)\n", mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864
Joe Perches7995c642010-02-17 15:01:52 +0000865 pr_err("");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000866 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200867 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000868 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200869 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000870 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200871 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000872 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200873 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000874 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200875 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000876 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200877 }
Joe Perches7995c642010-02-17 15:01:52 +0000878 pr_err("end of fw dump\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200879}
880
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000881void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200882{
883 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000884 u16 j;
885 struct hc_sp_status_block_data sp_sb_data;
886 int func = BP_FUNC(bp);
887#ifdef BNX2X_STOP_ON_ERROR
888 u16 start = 0, end = 0;
889#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200890
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700891 bp->stats_state = STATS_STATE_DISABLED;
892 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
893
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200894 BNX2X_ERR("begin crash dump -----------------\n");
895
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000896 /* Indices */
897 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000898 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000899 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000900 bp->def_idx, bp->def_att_idx,
901 bp->attn_state, bp->spq_prod_idx);
902 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
903 bp->def_status_blk->atten_status_block.attn_bits,
904 bp->def_status_blk->atten_status_block.attn_bits_ack,
905 bp->def_status_blk->atten_status_block.status_block_id,
906 bp->def_status_blk->atten_status_block.attn_bits_index);
907 BNX2X_ERR(" def (");
908 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
909 pr_cont("0x%x%s",
910 bp->def_status_blk->sp_sb.index_values[i],
911 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000912
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000913 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
914 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
915 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
916 i*sizeof(u32));
917
918 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
919 "pf_id(0x%x) vnic_id(0x%x) "
920 "vf_id(0x%x) vf_valid (0x%x)\n",
921 sp_sb_data.igu_sb_id,
922 sp_sb_data.igu_seg_id,
923 sp_sb_data.p_func.pf_id,
924 sp_sb_data.p_func.vnic_id,
925 sp_sb_data.p_func.vf_id,
926 sp_sb_data.p_func.vf_valid);
927
928
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000929 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000930 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000931 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000932 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000933 struct hc_status_block_data_e1x sb_data_e1x;
934 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000935 CHIP_IS_E2(bp) ?
936 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000937 sb_data_e1x.common.state_machine;
938 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000939 CHIP_IS_E2(bp) ?
940 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000941 sb_data_e1x.index_data;
942 int data_size;
943 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000944
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000945 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000946 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000947 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000948 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000949 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000950 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000951 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000952 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000953 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000954 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000955 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000956
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000957 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000958 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
959 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
960 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200961 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700962 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000963
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000964 loop = CHIP_IS_E2(bp) ?
965 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000966
967 /* host sb data */
968
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000969#ifdef BCM_CNIC
970 if (IS_FCOE_FP(fp))
971 continue;
972#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000973 BNX2X_ERR(" run indexes (");
974 for (j = 0; j < HC_SB_MAX_SM; j++)
975 pr_cont("0x%x%s",
976 fp->sb_running_index[j],
977 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
978
979 BNX2X_ERR(" indexes (");
980 for (j = 0; j < loop; j++)
981 pr_cont("0x%x%s",
982 fp->sb_index_values[j],
983 (j == loop - 1) ? ")" : " ");
984 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000985 data_size = CHIP_IS_E2(bp) ?
986 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000987 sizeof(struct hc_status_block_data_e1x);
988 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000989 sb_data_p = CHIP_IS_E2(bp) ?
990 (u32 *)&sb_data_e2 :
991 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000992 /* copy sb data in here */
993 for (j = 0; j < data_size; j++)
994 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
995 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
996 j * sizeof(u32));
997
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000998 if (CHIP_IS_E2(bp)) {
999 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1000 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1001 sb_data_e2.common.p_func.pf_id,
1002 sb_data_e2.common.p_func.vf_id,
1003 sb_data_e2.common.p_func.vf_valid,
1004 sb_data_e2.common.p_func.vnic_id,
1005 sb_data_e2.common.same_igu_sb_1b);
1006 } else {
1007 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1008 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1009 sb_data_e1x.common.p_func.pf_id,
1010 sb_data_e1x.common.p_func.vf_id,
1011 sb_data_e1x.common.p_func.vf_valid,
1012 sb_data_e1x.common.p_func.vnic_id,
1013 sb_data_e1x.common.same_igu_sb_1b);
1014 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001015
1016 /* SB_SMs data */
1017 for (j = 0; j < HC_SB_MAX_SM; j++) {
1018 pr_cont("SM[%d] __flags (0x%x) "
1019 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1020 "time_to_expire (0x%x) "
1021 "timer_value(0x%x)\n", j,
1022 hc_sm_p[j].__flags,
1023 hc_sm_p[j].igu_sb_id,
1024 hc_sm_p[j].igu_seg_id,
1025 hc_sm_p[j].time_to_expire,
1026 hc_sm_p[j].timer_value);
1027 }
1028
1029 /* Indecies data */
1030 for (j = 0; j < loop; j++) {
1031 pr_cont("INDEX[%d] flags (0x%x) "
1032 "timeout (0x%x)\n", j,
1033 hc_index_p[j].flags,
1034 hc_index_p[j].timeout);
1035 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001036 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001037
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001038#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001039 /* Rings */
1040 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001041 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001042 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001043
1044 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1045 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001046 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001047 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1048 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1049
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001050 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1051 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001052 }
1053
Eilon Greenstein3196a882008-08-13 15:58:49 -07001054 start = RX_SGE(fp->rx_sge_prod);
1055 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001056 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001057 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1058 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1059
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001060 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1061 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001062 }
1063
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001064 start = RCQ_BD(fp->rx_comp_cons - 10);
1065 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001066 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001067 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1068
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001069 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1070 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001071 }
1072 }
1073
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001074 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001075 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001076 struct bnx2x_fastpath *fp = &bp->fp[i];
1077
1078 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1079 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1080 for (j = start; j != end; j = TX_BD(j + 1)) {
1081 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1082
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001083 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1084 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001085 }
1086
1087 start = TX_BD(fp->tx_bd_cons - 10);
1088 end = TX_BD(fp->tx_bd_cons + 254);
1089 for (j = start; j != end; j = TX_BD(j + 1)) {
1090 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1091
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001092 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1093 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001094 }
1095 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001096#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001097 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001098 bnx2x_mc_assert(bp);
1099 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001100}
1101
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001102static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001103{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001104 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001105 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1106 u32 val = REG_RD(bp, addr);
1107 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001108 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001109
1110 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001111 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1112 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001113 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1114 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001115 } else if (msi) {
1116 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1117 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1118 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1119 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001120 } else {
1121 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001122 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001123 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1124 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001125
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001126 if (!CHIP_IS_E1(bp)) {
1127 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1128 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001129
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001130 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001131
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001132 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1133 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001134 }
1135
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001136 if (CHIP_IS_E1(bp))
1137 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1138
Eilon Greenstein8badd272009-02-12 08:36:15 +00001139 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1140 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001141
1142 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001143 /*
1144 * Ensure that HC_CONFIG is written before leading/trailing edge config
1145 */
1146 mmiowb();
1147 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001148
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001149 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001150 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001151 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001152 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001153 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001154 /* enable nig and gpio3 attention */
1155 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001156 } else
1157 val = 0xffff;
1158
1159 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1160 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1161 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001162
1163 /* Make sure that interrupts are indeed enabled from here on */
1164 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001165}
1166
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001167static void bnx2x_igu_int_enable(struct bnx2x *bp)
1168{
1169 u32 val;
1170 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1171 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1172
1173 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1174
1175 if (msix) {
1176 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1177 IGU_PF_CONF_SINGLE_ISR_EN);
1178 val |= (IGU_PF_CONF_FUNC_EN |
1179 IGU_PF_CONF_MSI_MSIX_EN |
1180 IGU_PF_CONF_ATTN_BIT_EN);
1181 } else if (msi) {
1182 val &= ~IGU_PF_CONF_INT_LINE_EN;
1183 val |= (IGU_PF_CONF_FUNC_EN |
1184 IGU_PF_CONF_MSI_MSIX_EN |
1185 IGU_PF_CONF_ATTN_BIT_EN |
1186 IGU_PF_CONF_SINGLE_ISR_EN);
1187 } else {
1188 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1189 val |= (IGU_PF_CONF_FUNC_EN |
1190 IGU_PF_CONF_INT_LINE_EN |
1191 IGU_PF_CONF_ATTN_BIT_EN |
1192 IGU_PF_CONF_SINGLE_ISR_EN);
1193 }
1194
1195 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1196 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1197
1198 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1199
1200 barrier();
1201
1202 /* init leading/trailing edge */
1203 if (IS_MF(bp)) {
1204 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1205 if (bp->port.pmf)
1206 /* enable nig and gpio3 attention */
1207 val |= 0x1100;
1208 } else
1209 val = 0xffff;
1210
1211 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1212 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1213
1214 /* Make sure that interrupts are indeed enabled from here on */
1215 mmiowb();
1216}
1217
1218void bnx2x_int_enable(struct bnx2x *bp)
1219{
1220 if (bp->common.int_block == INT_BLOCK_HC)
1221 bnx2x_hc_int_enable(bp);
1222 else
1223 bnx2x_igu_int_enable(bp);
1224}
1225
1226static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001227{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001228 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001229 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1230 u32 val = REG_RD(bp, addr);
1231
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001232 /*
1233 * in E1 we must use only PCI configuration space to disable
1234 * MSI/MSIX capablility
1235 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1236 */
1237 if (CHIP_IS_E1(bp)) {
1238 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1239 * Use mask register to prevent from HC sending interrupts
1240 * after we exit the function
1241 */
1242 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1243
1244 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1245 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1246 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1247 } else
1248 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1249 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1250 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1251 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001252
1253 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1254 val, port, addr);
1255
Eilon Greenstein8badd272009-02-12 08:36:15 +00001256 /* flush all outstanding writes */
1257 mmiowb();
1258
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001259 REG_WR(bp, addr, val);
1260 if (REG_RD(bp, addr) != val)
1261 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1262}
1263
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001264static void bnx2x_igu_int_disable(struct bnx2x *bp)
1265{
1266 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1267
1268 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1269 IGU_PF_CONF_INT_LINE_EN |
1270 IGU_PF_CONF_ATTN_BIT_EN);
1271
1272 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1273
1274 /* flush all outstanding writes */
1275 mmiowb();
1276
1277 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1278 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1279 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1280}
1281
stephen hemminger8d962862010-10-21 07:50:56 +00001282static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001283{
1284 if (bp->common.int_block == INT_BLOCK_HC)
1285 bnx2x_hc_int_disable(bp);
1286 else
1287 bnx2x_igu_int_disable(bp);
1288}
1289
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001290void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001291{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001292 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001293 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001294
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001295 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001296 atomic_inc(&bp->intr_sem);
Eilon Greensteine1510702009-07-21 05:47:41 +00001297 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1298
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001299 if (disable_hw)
1300 /* prevent the HW from sending interrupts */
1301 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001302
1303 /* make sure all ISRs are done */
1304 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001305 synchronize_irq(bp->msix_table[0].vector);
1306 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001307#ifdef BCM_CNIC
1308 offset++;
1309#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001310 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001311 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001312 } else
1313 synchronize_irq(bp->pdev->irq);
1314
1315 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001316 cancel_delayed_work(&bp->sp_task);
1317 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001318}
1319
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001320/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001321
1322/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001323 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001324 */
1325
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001326/* Return true if succeeded to acquire the lock */
1327static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1328{
1329 u32 lock_status;
1330 u32 resource_bit = (1 << resource);
1331 int func = BP_FUNC(bp);
1332 u32 hw_lock_control_reg;
1333
1334 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1335
1336 /* Validating that the resource is within range */
1337 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1338 DP(NETIF_MSG_HW,
1339 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1340 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001341 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001342 }
1343
1344 if (func <= 5)
1345 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1346 else
1347 hw_lock_control_reg =
1348 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1349
1350 /* Try to acquire the lock */
1351 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1352 lock_status = REG_RD(bp, hw_lock_control_reg);
1353 if (lock_status & resource_bit)
1354 return true;
1355
1356 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1357 return false;
1358}
1359
Michael Chan993ac7b2009-10-10 13:46:56 +00001360#ifdef BCM_CNIC
1361static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1362#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001363
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001364void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001365 union eth_rx_cqe *rr_cqe)
1366{
1367 struct bnx2x *bp = fp->bp;
1368 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1369 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1370
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001371 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001372 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001373 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001374 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001376 switch (command | fp->state) {
1377 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1378 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1379 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001380 break;
1381
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001382 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1383 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001384 fp->state = BNX2X_FP_STATE_HALTED;
1385 break;
1386
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001387 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1388 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1389 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001390 break;
1391
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001392 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001393 BNX2X_ERR("unexpected MC reply (%d) "
1394 "fp[%d] state is %x\n",
1395 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001396 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001397 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001398
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001399 smp_mb__before_atomic_inc();
1400 atomic_inc(&bp->spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001401 /* push the change in fp->state and towards the memory */
1402 smp_wmb();
1403
1404 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001405}
1406
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001407irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001408{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001409 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001410 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001411 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001412 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001414 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 if (unlikely(status == 0)) {
1416 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1417 return IRQ_NONE;
1418 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001419 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001420
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001421 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001422 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1423 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1424 return IRQ_HANDLED;
1425 }
1426
Eilon Greenstein3196a882008-08-13 15:58:49 -07001427#ifdef BNX2X_STOP_ON_ERROR
1428 if (unlikely(bp->panic))
1429 return IRQ_HANDLED;
1430#endif
1431
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001432 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001433 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001434
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001435 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001436 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001437 /* Handle Rx and Tx according to SB id */
1438 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001439 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001440 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001441 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001442 status &= ~mask;
1443 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001444 }
1445
Michael Chan993ac7b2009-10-10 13:46:56 +00001446#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001447 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001448 if (status & (mask | 0x1)) {
1449 struct cnic_ops *c_ops = NULL;
1450
1451 rcu_read_lock();
1452 c_ops = rcu_dereference(bp->cnic_ops);
1453 if (c_ops)
1454 c_ops->cnic_handler(bp->cnic_data, NULL);
1455 rcu_read_unlock();
1456
1457 status &= ~mask;
1458 }
1459#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001460
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001461 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001462 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001463
1464 status &= ~0x1;
1465 if (!status)
1466 return IRQ_HANDLED;
1467 }
1468
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001469 if (unlikely(status))
1470 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001471 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001472
1473 return IRQ_HANDLED;
1474}
1475
1476/* end of fast path */
1477
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001478
1479/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001480
1481/*
1482 * General service functions
1483 */
1484
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001485int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001486{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001487 u32 lock_status;
1488 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001489 int func = BP_FUNC(bp);
1490 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001491 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001492
1493 /* Validating that the resource is within range */
1494 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1495 DP(NETIF_MSG_HW,
1496 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1497 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1498 return -EINVAL;
1499 }
1500
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001501 if (func <= 5) {
1502 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1503 } else {
1504 hw_lock_control_reg =
1505 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1506 }
1507
Eliezer Tamirf1410642008-02-28 11:51:50 -08001508 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001509 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001510 if (lock_status & resource_bit) {
1511 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1512 lock_status, resource_bit);
1513 return -EEXIST;
1514 }
1515
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001516 /* Try for 5 second every 5ms */
1517 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001518 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001519 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1520 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001521 if (lock_status & resource_bit)
1522 return 0;
1523
1524 msleep(5);
1525 }
1526 DP(NETIF_MSG_HW, "Timeout\n");
1527 return -EAGAIN;
1528}
1529
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001530int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001531{
1532 u32 lock_status;
1533 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001534 int func = BP_FUNC(bp);
1535 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001536
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001537 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1538
Eliezer Tamirf1410642008-02-28 11:51:50 -08001539 /* Validating that the resource is within range */
1540 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1541 DP(NETIF_MSG_HW,
1542 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1543 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1544 return -EINVAL;
1545 }
1546
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001547 if (func <= 5) {
1548 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1549 } else {
1550 hw_lock_control_reg =
1551 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1552 }
1553
Eliezer Tamirf1410642008-02-28 11:51:50 -08001554 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001555 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001556 if (!(lock_status & resource_bit)) {
1557 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1558 lock_status, resource_bit);
1559 return -EFAULT;
1560 }
1561
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001562 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001563 return 0;
1564}
1565
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001566
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001567int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1568{
1569 /* The GPIO should be swapped if swap register is set and active */
1570 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1571 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1572 int gpio_shift = gpio_num +
1573 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1574 u32 gpio_mask = (1 << gpio_shift);
1575 u32 gpio_reg;
1576 int value;
1577
1578 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1579 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1580 return -EINVAL;
1581 }
1582
1583 /* read GPIO value */
1584 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1585
1586 /* get the requested pin value */
1587 if ((gpio_reg & gpio_mask) == gpio_mask)
1588 value = 1;
1589 else
1590 value = 0;
1591
1592 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1593
1594 return value;
1595}
1596
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001597int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001598{
1599 /* The GPIO should be swapped if swap register is set and active */
1600 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001601 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001602 int gpio_shift = gpio_num +
1603 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1604 u32 gpio_mask = (1 << gpio_shift);
1605 u32 gpio_reg;
1606
1607 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1608 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1609 return -EINVAL;
1610 }
1611
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001612 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001613 /* read GPIO and mask except the float bits */
1614 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1615
1616 switch (mode) {
1617 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1618 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1619 gpio_num, gpio_shift);
1620 /* clear FLOAT and set CLR */
1621 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1622 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1623 break;
1624
1625 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1626 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1627 gpio_num, gpio_shift);
1628 /* clear FLOAT and set SET */
1629 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1630 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1631 break;
1632
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001633 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001634 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1635 gpio_num, gpio_shift);
1636 /* set FLOAT */
1637 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1638 break;
1639
1640 default:
1641 break;
1642 }
1643
1644 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001645 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001646
1647 return 0;
1648}
1649
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001650int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1651{
1652 /* The GPIO should be swapped if swap register is set and active */
1653 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1654 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1655 int gpio_shift = gpio_num +
1656 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1657 u32 gpio_mask = (1 << gpio_shift);
1658 u32 gpio_reg;
1659
1660 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1661 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1662 return -EINVAL;
1663 }
1664
1665 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1666 /* read GPIO int */
1667 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1668
1669 switch (mode) {
1670 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1671 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1672 "output low\n", gpio_num, gpio_shift);
1673 /* clear SET and set CLR */
1674 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1675 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1676 break;
1677
1678 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1679 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1680 "output high\n", gpio_num, gpio_shift);
1681 /* clear CLR and set SET */
1682 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1683 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1684 break;
1685
1686 default:
1687 break;
1688 }
1689
1690 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1691 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1692
1693 return 0;
1694}
1695
Eliezer Tamirf1410642008-02-28 11:51:50 -08001696static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1697{
1698 u32 spio_mask = (1 << spio_num);
1699 u32 spio_reg;
1700
1701 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1702 (spio_num > MISC_REGISTERS_SPIO_7)) {
1703 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1704 return -EINVAL;
1705 }
1706
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001707 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001708 /* read SPIO and mask except the float bits */
1709 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1710
1711 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001712 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001713 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1714 /* clear FLOAT and set CLR */
1715 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1716 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1717 break;
1718
Eilon Greenstein6378c022008-08-13 15:59:25 -07001719 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001720 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1721 /* clear FLOAT and set SET */
1722 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1723 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1724 break;
1725
1726 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1727 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1728 /* set FLOAT */
1729 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1730 break;
1731
1732 default:
1733 break;
1734 }
1735
1736 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001737 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001738
1739 return 0;
1740}
1741
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001742int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
1743{
1744 u32 sel_phy_idx = 0;
1745 if (bp->link_vars.link_up) {
1746 sel_phy_idx = EXT_PHY1;
1747 /* In case link is SERDES, check if the EXT_PHY2 is the one */
1748 if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
1749 (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
1750 sel_phy_idx = EXT_PHY2;
1751 } else {
1752
1753 switch (bnx2x_phy_selection(&bp->link_params)) {
1754 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
1755 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
1756 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
1757 sel_phy_idx = EXT_PHY1;
1758 break;
1759 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
1760 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
1761 sel_phy_idx = EXT_PHY2;
1762 break;
1763 }
1764 }
1765 /*
1766 * The selected actived PHY is always after swapping (in case PHY
1767 * swapping is enabled). So when swapping is enabled, we need to reverse
1768 * the configuration
1769 */
1770
1771 if (bp->link_params.multi_phy_config &
1772 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
1773 if (sel_phy_idx == EXT_PHY1)
1774 sel_phy_idx = EXT_PHY2;
1775 else if (sel_phy_idx == EXT_PHY2)
1776 sel_phy_idx = EXT_PHY1;
1777 }
1778 return LINK_CONFIG_IDX(sel_phy_idx);
1779}
1780
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001781void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001782{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001783 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001784 switch (bp->link_vars.ieee_fc &
1785 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001786 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001787 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001788 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001789 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001790
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001791 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001792 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001793 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001794 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001795
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001796 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001797 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001798 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001799
Eliezer Tamirf1410642008-02-28 11:51:50 -08001800 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001801 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001802 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001803 break;
1804 }
1805}
1806
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001807u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001808{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001809 if (!BP_NOMCP(bp)) {
1810 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001811 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1812 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001813 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001814 /* It is recommended to turn off RX FC for jumbo frames
1815 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001816 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001817 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001818 else
David S. Millerc0700f92008-12-16 23:53:20 -08001819 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001820
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001821 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001822
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001823 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001824 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001825 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1826 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001827
Eilon Greenstein19680c42008-08-13 15:47:33 -07001828 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001829
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001830 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001831
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001832 bnx2x_calc_fc_adv(bp);
1833
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001834 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1835 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001836 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001837 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001838 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001839 return rc;
1840 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001841 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001842 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001843}
1844
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001845void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001846{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001847 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001848 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001849 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001850 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001851 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001852
Eilon Greenstein19680c42008-08-13 15:47:33 -07001853 bnx2x_calc_fc_adv(bp);
1854 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001855 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001856}
1857
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001858static void bnx2x__link_reset(struct bnx2x *bp)
1859{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001860 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001861 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001862 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001863 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001864 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001865 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001866}
1867
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001868u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001869{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001870 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001871
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001872 if (!BP_NOMCP(bp)) {
1873 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001874 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1875 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001876 bnx2x_release_phy_lock(bp);
1877 } else
1878 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001879
1880 return rc;
1881}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001882
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001883static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001884{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001885 u32 r_param = bp->link_vars.line_speed / 8;
1886 u32 fair_periodic_timeout_usec;
1887 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001888
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001889 memset(&(bp->cmng.rs_vars), 0,
1890 sizeof(struct rate_shaping_vars_per_port));
1891 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001892
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001893 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1894 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001895
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001896 /* this is the threshold below which no timer arming will occur
1897 1.25 coefficient is for the threshold to be a little bigger
1898 than the real time, to compensate for timer in-accuracy */
1899 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001900 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1901
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001902 /* resolution of fairness timer */
1903 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1904 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1905 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001906
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001907 /* this is the threshold below which we won't arm the timer anymore */
1908 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001909
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001910 /* we multiply by 1e3/8 to get bytes/msec.
1911 We don't want the credits to pass a credit
1912 of the t_fair*FAIR_MEM (algorithm resolution) */
1913 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1914 /* since each tick is 4 usec */
1915 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001916}
1917
Eilon Greenstein2691d512009-08-12 08:22:08 +00001918/* Calculates the sum of vn_min_rates.
1919 It's needed for further normalizing of the min_rates.
1920 Returns:
1921 sum of vn_min_rates.
1922 or
1923 0 - if all the min_rates are 0.
1924 In the later case fainess algorithm should be deactivated.
1925 If not all min_rates are zero then those that are zeroes will be set to 1.
1926 */
1927static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1928{
1929 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001930 int vn;
1931
1932 bp->vn_weight_sum = 0;
1933 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001934 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001935 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1936 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1937
1938 /* Skip hidden vns */
1939 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1940 continue;
1941
1942 /* If min rate is zero - set it to 1 */
1943 if (!vn_min_rate)
1944 vn_min_rate = DEF_MIN_RATE;
1945 else
1946 all_zero = 0;
1947
1948 bp->vn_weight_sum += vn_min_rate;
1949 }
1950
1951 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001952 if (all_zero) {
1953 bp->cmng.flags.cmng_enables &=
1954 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1955 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1956 " fairness will be disabled\n");
1957 } else
1958 bp->cmng.flags.cmng_enables |=
1959 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001960}
1961
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001962static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001963{
1964 struct rate_shaping_vars_per_vn m_rs_vn;
1965 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001966 u32 vn_cfg = bp->mf_config[vn];
1967 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001968 u16 vn_min_rate, vn_max_rate;
1969 int i;
1970
1971 /* If function is hidden - set min and max to zeroes */
1972 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1973 vn_min_rate = 0;
1974 vn_max_rate = 0;
1975
1976 } else {
1977 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1978 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001979 /* If min rate is zero - set it to 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001980 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001981 vn_min_rate = DEF_MIN_RATE;
1982 vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
1983 FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
1984 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001985
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001986 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001987 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001988 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001989
1990 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1991 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1992
1993 /* global vn counter - maximal Mbps for this vn */
1994 m_rs_vn.vn_counter.rate = vn_max_rate;
1995
1996 /* quota - number of bytes transmitted in this period */
1997 m_rs_vn.vn_counter.quota =
1998 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
1999
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002000 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002001 /* credit for each period of the fairness algorithm:
2002 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002003 vn_weight_sum should not be larger than 10000, thus
2004 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2005 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002006 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002007 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2008 (8 * bp->vn_weight_sum))),
2009 (bp->cmng.fair_vars.fair_threshold * 2));
2010 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002011 m_fair_vn.vn_credit_delta);
2012 }
2013
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002014 /* Store it to internal memory */
2015 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2016 REG_WR(bp, BAR_XSTRORM_INTMEM +
2017 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2018 ((u32 *)(&m_rs_vn))[i]);
2019
2020 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2021 REG_WR(bp, BAR_XSTRORM_INTMEM +
2022 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2023 ((u32 *)(&m_fair_vn))[i]);
2024}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002025
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002026static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2027{
2028 if (CHIP_REV_IS_SLOW(bp))
2029 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002030 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002031 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002032
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002033 return CMNG_FNS_NONE;
2034}
2035
2036static void bnx2x_read_mf_cfg(struct bnx2x *bp)
2037{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002038 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002039
2040 if (BP_NOMCP(bp))
2041 return; /* what should be the default bvalue in this case */
2042
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002043 /* For 2 port configuration the absolute function number formula
2044 * is:
2045 * abs_func = 2 * vn + BP_PORT + BP_PATH
2046 *
2047 * and there are 4 functions per port
2048 *
2049 * For 4 port configuration it is
2050 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2051 *
2052 * and there are 2 functions per port
2053 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002054 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002055 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2056
2057 if (func >= E1H_FUNC_MAX)
2058 break;
2059
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002060 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002061 MF_CFG_RD(bp, func_mf_config[func].config);
2062 }
2063}
2064
2065static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2066{
2067
2068 if (cmng_type == CMNG_FNS_MINMAX) {
2069 int vn;
2070
2071 /* clear cmng_enables */
2072 bp->cmng.flags.cmng_enables = 0;
2073
2074 /* read mf conf from shmem */
2075 if (read_cfg)
2076 bnx2x_read_mf_cfg(bp);
2077
2078 /* Init rate shaping and fairness contexts */
2079 bnx2x_init_port_minmax(bp);
2080
2081 /* vn_weight_sum and enable fairness if not 0 */
2082 bnx2x_calc_vn_weight_sum(bp);
2083
2084 /* calculate and set min-max rate for each vn */
2085 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2086 bnx2x_init_vn_minmax(bp, vn);
2087
2088 /* always enable rate shaping and fairness */
2089 bp->cmng.flags.cmng_enables |=
2090 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2091 if (!bp->vn_weight_sum)
2092 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2093 " fairness will be disabled\n");
2094 return;
2095 }
2096
2097 /* rate shaping and fairness are disabled */
2098 DP(NETIF_MSG_IFUP,
2099 "rate shaping and fairness are disabled\n");
2100}
2101
2102static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2103{
2104 int port = BP_PORT(bp);
2105 int func;
2106 int vn;
2107
2108 /* Set the attention towards other drivers on the same port */
2109 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2110 if (vn == BP_E1HVN(bp))
2111 continue;
2112
2113 func = ((vn << 1) | port);
2114 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2115 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2116 }
2117}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002118
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002119/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002120static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002121{
Vladislav Zolotarovd9e8b182010-04-19 01:15:08 +00002122 u32 prev_link_status = bp->link_vars.link_status;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002123 /* Make sure that we are synced with the current statistics */
2124 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2125
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002126 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002127
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002128 if (bp->link_vars.link_up) {
2129
Eilon Greenstein1c063282009-02-12 08:36:43 +00002130 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002131 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002132 int port = BP_PORT(bp);
2133 u32 pause_enabled = 0;
2134
2135 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2136 pause_enabled = 1;
2137
2138 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002139 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002140 pause_enabled);
2141 }
2142
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002143 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2144 struct host_port_stats *pstats;
2145
2146 pstats = bnx2x_sp(bp, port_stats);
2147 /* reset old bmac stats */
2148 memset(&(pstats->mac_stx[0]), 0,
2149 sizeof(struct mac_stx));
2150 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002151 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002152 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2153 }
2154
Vladislav Zolotarovd9e8b182010-04-19 01:15:08 +00002155 /* indicate link status only if link status actually changed */
2156 if (prev_link_status != bp->link_vars.link_status)
2157 bnx2x_link_report(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002158
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002159 if (IS_MF(bp))
2160 bnx2x_link_sync_notify(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002161
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002162 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2163 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002164
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002165 if (cmng_fns != CMNG_FNS_NONE) {
2166 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2167 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2168 } else
2169 /* rate shaping and fairness are disabled */
2170 DP(NETIF_MSG_IFUP,
2171 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002172 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002173}
2174
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002175void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002176{
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002177 if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002178 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002179
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002180 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2181
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002182 if (bp->link_vars.link_up)
2183 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2184 else
2185 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2186
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002187 /* the link status update could be the result of a DCC event
2188 hence re-read the shmem mf configuration */
2189 bnx2x_read_mf_cfg(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002190
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002191 /* indicate link status */
2192 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002193}
2194
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002195static void bnx2x_pmf_update(struct bnx2x *bp)
2196{
2197 int port = BP_PORT(bp);
2198 u32 val;
2199
2200 bp->port.pmf = 1;
2201 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2202
2203 /* enable nig attention */
2204 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002205 if (bp->common.int_block == INT_BLOCK_HC) {
2206 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2207 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2208 } else if (CHIP_IS_E2(bp)) {
2209 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2210 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2211 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002212
2213 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002214}
2215
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002216/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002217
2218/* slow path */
2219
2220/*
2221 * General service functions
2222 */
2223
Eilon Greenstein2691d512009-08-12 08:22:08 +00002224/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002225u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002226{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002227 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002228 u32 seq = ++bp->fw_seq;
2229 u32 rc = 0;
2230 u32 cnt = 1;
2231 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2232
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002233 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002234 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2235 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2236
Eilon Greenstein2691d512009-08-12 08:22:08 +00002237 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2238
2239 do {
2240 /* let the FW do it's magic ... */
2241 msleep(delay);
2242
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002243 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002244
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002245 /* Give the FW up to 5 second (500*10ms) */
2246 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002247
2248 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2249 cnt*delay, rc, seq);
2250
2251 /* is this a reply to our command? */
2252 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2253 rc &= FW_MSG_CODE_MASK;
2254 else {
2255 /* FW BUG! */
2256 BNX2X_ERR("FW failed to respond!\n");
2257 bnx2x_fw_dump(bp);
2258 rc = 0;
2259 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002260 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002261
2262 return rc;
2263}
2264
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002265static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2266{
2267#ifdef BCM_CNIC
2268 if (IS_FCOE_FP(fp) && IS_MF(bp))
2269 return false;
2270#endif
2271 return true;
2272}
2273
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002274/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002275static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002276{
2277 u32 mask = (1 << cl_id);
2278
2279 /* initial seeting is BNX2X_ACCEPT_NONE */
2280 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2281 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2282 u8 unmatched_unicast = 0;
2283
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002284 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2285 unmatched_unicast = 1;
2286
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002287 if (filters & BNX2X_PROMISCUOUS_MODE) {
2288 /* promiscious - accept all, drop none */
2289 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2290 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002291 if (IS_MF_SI(bp)) {
2292 /*
2293 * SI mode defines to accept in promiscuos mode
2294 * only unmatched packets
2295 */
2296 unmatched_unicast = 1;
2297 accp_all_ucast = 0;
2298 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002299 }
2300 if (filters & BNX2X_ACCEPT_UNICAST) {
2301 /* accept matched ucast */
2302 drop_all_ucast = 0;
2303 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002304 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002305 /* accept matched mcast */
2306 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002307
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002308 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2309 /* accept all mcast */
2310 drop_all_ucast = 0;
2311 accp_all_ucast = 1;
2312 }
2313 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2314 /* accept all mcast */
2315 drop_all_mcast = 0;
2316 accp_all_mcast = 1;
2317 }
2318 if (filters & BNX2X_ACCEPT_BROADCAST) {
2319 /* accept (all) bcast */
2320 drop_all_bcast = 0;
2321 accp_all_bcast = 1;
2322 }
2323
2324 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2325 bp->mac_filters.ucast_drop_all | mask :
2326 bp->mac_filters.ucast_drop_all & ~mask;
2327
2328 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2329 bp->mac_filters.mcast_drop_all | mask :
2330 bp->mac_filters.mcast_drop_all & ~mask;
2331
2332 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2333 bp->mac_filters.bcast_drop_all | mask :
2334 bp->mac_filters.bcast_drop_all & ~mask;
2335
2336 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2337 bp->mac_filters.ucast_accept_all | mask :
2338 bp->mac_filters.ucast_accept_all & ~mask;
2339
2340 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2341 bp->mac_filters.mcast_accept_all | mask :
2342 bp->mac_filters.mcast_accept_all & ~mask;
2343
2344 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2345 bp->mac_filters.bcast_accept_all | mask :
2346 bp->mac_filters.bcast_accept_all & ~mask;
2347
2348 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2349 bp->mac_filters.unmatched_unicast | mask :
2350 bp->mac_filters.unmatched_unicast & ~mask;
2351}
2352
stephen hemminger8d962862010-10-21 07:50:56 +00002353static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002354{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002355 struct tstorm_eth_function_common_config tcfg = {0};
2356 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002357
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002358 /* tpa */
2359 if (p->func_flgs & FUNC_FLG_TPA)
2360 tcfg.config_flags |=
2361 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002362
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002363 /* set rss flags */
2364 rss_flgs = (p->rss->mode <<
2365 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002366
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002367 if (p->rss->cap & RSS_IPV4_CAP)
2368 rss_flgs |= RSS_IPV4_CAP_MASK;
2369 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2370 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2371 if (p->rss->cap & RSS_IPV6_CAP)
2372 rss_flgs |= RSS_IPV6_CAP_MASK;
2373 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2374 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002375
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002376 tcfg.config_flags |= rss_flgs;
2377 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002378
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002379 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002380
2381 /* Enable the function in the FW */
2382 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2383 storm_memset_func_en(bp, p->func_id, 1);
2384
2385 /* statistics */
2386 if (p->func_flgs & FUNC_FLG_STATS) {
2387 struct stats_indication_flags stats_flags = {0};
2388 stats_flags.collect_eth = 1;
2389
2390 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2391 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2392
2393 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2394 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2395
2396 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2397 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2398
2399 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2400 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2401 }
2402
2403 /* spq */
2404 if (p->func_flgs & FUNC_FLG_SPQ) {
2405 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2406 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2407 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2408 }
2409}
2410
2411static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2412 struct bnx2x_fastpath *fp)
2413{
2414 u16 flags = 0;
2415
2416 /* calculate queue flags */
2417 flags |= QUEUE_FLG_CACHE_ALIGN;
2418 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002419 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002420
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002421 flags |= QUEUE_FLG_VLAN;
2422 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002423
2424 if (!fp->disable_tpa)
2425 flags |= QUEUE_FLG_TPA;
2426
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002427 flags = stat_counter_valid(bp, fp) ?
2428 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002429
2430 return flags;
2431}
2432
2433static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2434 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2435 struct bnx2x_rxq_init_params *rxq_init)
2436{
2437 u16 max_sge = 0;
2438 u16 sge_sz = 0;
2439 u16 tpa_agg_size = 0;
2440
2441 /* calculate queue flags */
2442 u16 flags = bnx2x_get_cl_flags(bp, fp);
2443
2444 if (!fp->disable_tpa) {
2445 pause->sge_th_hi = 250;
2446 pause->sge_th_lo = 150;
2447 tpa_agg_size = min_t(u32,
2448 (min_t(u32, 8, MAX_SKB_FRAGS) *
2449 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2450 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2451 SGE_PAGE_SHIFT;
2452 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2453 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2454 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2455 0xffff);
2456 }
2457
2458 /* pause - not for e1 */
2459 if (!CHIP_IS_E1(bp)) {
2460 pause->bd_th_hi = 350;
2461 pause->bd_th_lo = 250;
2462 pause->rcq_th_hi = 350;
2463 pause->rcq_th_lo = 250;
2464 pause->sge_th_hi = 0;
2465 pause->sge_th_lo = 0;
2466 pause->pri_map = 1;
2467 }
2468
2469 /* rxq setup */
2470 rxq_init->flags = flags;
2471 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2472 rxq_init->dscr_map = fp->rx_desc_mapping;
2473 rxq_init->sge_map = fp->rx_sge_mapping;
2474 rxq_init->rcq_map = fp->rx_comp_mapping;
2475 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
2476 rxq_init->mtu = bp->dev->mtu;
2477 rxq_init->buf_sz = bp->rx_buf_size;
2478 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2479 rxq_init->cl_id = fp->cl_id;
2480 rxq_init->spcl_id = fp->cl_id;
2481 rxq_init->stat_id = fp->cl_id;
2482 rxq_init->tpa_agg_sz = tpa_agg_size;
2483 rxq_init->sge_buf_sz = sge_sz;
2484 rxq_init->max_sges_pkt = max_sge;
2485 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2486 rxq_init->fw_sb_id = fp->fw_sb_id;
2487
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002488 if (IS_FCOE_FP(fp))
2489 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2490 else
2491 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002492
2493 rxq_init->cid = HW_CID(bp, fp->cid);
2494
2495 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2496}
2497
2498static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2499 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2500{
2501 u16 flags = bnx2x_get_cl_flags(bp, fp);
2502
2503 txq_init->flags = flags;
2504 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2505 txq_init->dscr_map = fp->tx_desc_mapping;
2506 txq_init->stat_id = fp->cl_id;
2507 txq_init->cid = HW_CID(bp, fp->cid);
2508 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2509 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2510 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002511
2512 if (IS_FCOE_FP(fp)) {
2513 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2514 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2515 }
2516
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002517 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2518}
2519
stephen hemminger8d962862010-10-21 07:50:56 +00002520static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002521{
2522 struct bnx2x_func_init_params func_init = {0};
2523 struct bnx2x_rss_params rss = {0};
2524 struct event_ring_data eq_data = { {0} };
2525 u16 flags;
2526
2527 /* pf specific setups */
2528 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002529 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002530
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002531 if (CHIP_IS_E2(bp)) {
2532 /* reset IGU PF statistics: MSIX + ATTN */
2533 /* PF */
2534 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2535 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2536 (CHIP_MODE_IS_4_PORT(bp) ?
2537 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2538 /* ATTN */
2539 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2540 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2541 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2542 (CHIP_MODE_IS_4_PORT(bp) ?
2543 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2544 }
2545
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002546 /* function setup flags */
2547 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2548
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002549 if (CHIP_IS_E1x(bp))
2550 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2551 else
2552 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002553
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002554 /* function setup */
2555
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002556 /**
2557 * Although RSS is meaningless when there is a single HW queue we
2558 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002559 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002560 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2561 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2562 rss.mode = bp->multi_mode;
2563 rss.result_mask = MULTI_MASK;
2564 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002565
2566 func_init.func_flgs = flags;
2567 func_init.pf_id = BP_FUNC(bp);
2568 func_init.func_id = BP_FUNC(bp);
2569 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2570 func_init.spq_map = bp->spq_mapping;
2571 func_init.spq_prod = bp->spq_prod_idx;
2572
2573 bnx2x_func_init(bp, &func_init);
2574
2575 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2576
2577 /*
2578 Congestion management values depend on the link rate
2579 There is no active link so initial link rate is set to 10 Gbps.
2580 When the link comes up The congestion management values are
2581 re-calculated according to the actual link rate.
2582 */
2583 bp->link_vars.line_speed = SPEED_10000;
2584 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2585
2586 /* Only the PMF sets the HW */
2587 if (bp->port.pmf)
2588 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2589
2590 /* no rx until link is up */
2591 bp->rx_mode = BNX2X_RX_MODE_NONE;
2592 bnx2x_set_storm_rx_mode(bp);
2593
2594 /* init Event Queue */
2595 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2596 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2597 eq_data.producer = bp->eq_prod;
2598 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2599 eq_data.sb_id = DEF_SB_ID;
2600 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2601}
2602
2603
Eilon Greenstein2691d512009-08-12 08:22:08 +00002604static void bnx2x_e1h_disable(struct bnx2x *bp)
2605{
2606 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002607
2608 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002609
2610 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2611
Eilon Greenstein2691d512009-08-12 08:22:08 +00002612 netif_carrier_off(bp->dev);
2613}
2614
2615static void bnx2x_e1h_enable(struct bnx2x *bp)
2616{
2617 int port = BP_PORT(bp);
2618
2619 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2620
Eilon Greenstein2691d512009-08-12 08:22:08 +00002621 /* Tx queue should be only reenabled */
2622 netif_tx_wake_all_queues(bp->dev);
2623
Eilon Greenstein061bc702009-10-15 00:18:47 -07002624 /*
2625 * Should not call netif_carrier_on since it will be called if the link
2626 * is up when checking for link state
2627 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002628}
2629
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002630/* called due to MCP event (on pmf):
2631 * reread new bandwidth configuration
2632 * configure FW
2633 * notify others function about the change
2634 */
2635static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2636{
2637 if (bp->link_vars.link_up) {
2638 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2639 bnx2x_link_sync_notify(bp);
2640 }
2641 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2642}
2643
2644static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2645{
2646 bnx2x_config_mf_bw(bp);
2647 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2648}
2649
Eilon Greenstein2691d512009-08-12 08:22:08 +00002650static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2651{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002652 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002653
2654 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2655
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002656 /*
2657 * This is the only place besides the function initialization
2658 * where the bp->flags can change so it is done without any
2659 * locks
2660 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002661 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002662 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002663 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002664
2665 bnx2x_e1h_disable(bp);
2666 } else {
2667 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002668 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002669
2670 bnx2x_e1h_enable(bp);
2671 }
2672 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2673 }
2674 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002675 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002676 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2677 }
2678
2679 /* Report results to MCP */
2680 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002681 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002682 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002683 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002684}
2685
Michael Chan289129022009-10-10 13:46:53 +00002686/* must be called under the spq lock */
2687static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2688{
2689 struct eth_spe *next_spe = bp->spq_prod_bd;
2690
2691 if (bp->spq_prod_bd == bp->spq_last_bd) {
2692 bp->spq_prod_bd = bp->spq;
2693 bp->spq_prod_idx = 0;
2694 DP(NETIF_MSG_TIMER, "end of spq\n");
2695 } else {
2696 bp->spq_prod_bd++;
2697 bp->spq_prod_idx++;
2698 }
2699 return next_spe;
2700}
2701
2702/* must be called under the spq lock */
2703static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2704{
2705 int func = BP_FUNC(bp);
2706
2707 /* Make sure that BD data is updated before writing the producer */
2708 wmb();
2709
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002710 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002711 bp->spq_prod_idx);
Michael Chan289129022009-10-10 13:46:53 +00002712 mmiowb();
2713}
2714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002715/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002716int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002717 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002718{
Michael Chan289129022009-10-10 13:46:53 +00002719 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002720 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002721
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002722#ifdef BNX2X_STOP_ON_ERROR
2723 if (unlikely(bp->panic))
2724 return -EIO;
2725#endif
2726
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002727 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002728
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002729 if (!atomic_read(&bp->spq_left)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002730 BNX2X_ERR("BUG! SPQ ring full!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002731 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002732 bnx2x_panic();
2733 return -EBUSY;
2734 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002735
Michael Chan289129022009-10-10 13:46:53 +00002736 spe = bnx2x_sp_get_next(bp);
2737
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002738 /* CID needs port number to be encoded int it */
Michael Chan289129022009-10-10 13:46:53 +00002739 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002740 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2741 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002742
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002743 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002744 /* Common ramrods:
2745 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2746 * TRAFFIC_STOP, TRAFFIC_START
2747 */
2748 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2749 & SPE_HDR_CONN_TYPE;
2750 else
2751 /* ETH ramrods: SETUP, HALT */
2752 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2753 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002754
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002755 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2756 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002757
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002758 spe->hdr.type = cpu_to_le16(type);
2759
2760 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2761 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2762
2763 /* stats ramrod has it's own slot on the spq */
2764 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY)
2765 /* It's ok if the actual decrement is issued towards the memory
2766 * somewhere between the spin_lock and spin_unlock. Thus no
2767 * more explict memory barrier is needed.
2768 */
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002769 atomic_dec(&bp->spq_left);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002770
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002771 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002772 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
2773 "type(0x%x) left %x\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002774 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2775 (u32)(U64_LO(bp->spq_mapping) +
2776 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00002777 HW_CID(bp, cid), data_hi, data_lo, type, atomic_read(&bp->spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002778
Michael Chan289129022009-10-10 13:46:53 +00002779 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002780 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002781 return 0;
2782}
2783
2784/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002785static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002786{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002787 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002788 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002789
2790 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002791 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002792 val = (1UL << 31);
2793 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2794 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2795 if (val & (1L << 31))
2796 break;
2797
2798 msleep(5);
2799 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002800 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002801 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002802 rc = -EBUSY;
2803 }
2804
2805 return rc;
2806}
2807
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002808/* release split MCP access lock register */
2809static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002810{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002811 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002812}
2813
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002814#define BNX2X_DEF_SB_ATT_IDX 0x0001
2815#define BNX2X_DEF_SB_IDX 0x0002
2816
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002817static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2818{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002819 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002820 u16 rc = 0;
2821
2822 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002823 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2824 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002825 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002826 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002827
2828 if (bp->def_idx != def_sb->sp_sb.running_index) {
2829 bp->def_idx = def_sb->sp_sb.running_index;
2830 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002831 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002832
2833 /* Do not reorder: indecies reading should complete before handling */
2834 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002835 return rc;
2836}
2837
2838/*
2839 * slow path service functions
2840 */
2841
2842static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2843{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002844 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002845 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2846 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002847 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2848 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002849 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002850 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002851 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002852
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002853 if (bp->attn_state & asserted)
2854 BNX2X_ERR("IGU ERROR\n");
2855
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002856 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2857 aeu_mask = REG_RD(bp, aeu_addr);
2858
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002859 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002860 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002861 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002862 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002863
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002864 REG_WR(bp, aeu_addr, aeu_mask);
2865 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002866
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002867 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002868 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002869 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002870
2871 if (asserted & ATTN_HARD_WIRED_MASK) {
2872 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002873
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002874 bnx2x_acquire_phy_lock(bp);
2875
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002876 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002877 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002878 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002879
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002880 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002881
2882 /* handle unicore attn? */
2883 }
2884 if (asserted & ATTN_SW_TIMER_4_FUNC)
2885 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2886
2887 if (asserted & GPIO_2_FUNC)
2888 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2889
2890 if (asserted & GPIO_3_FUNC)
2891 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2892
2893 if (asserted & GPIO_4_FUNC)
2894 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2895
2896 if (port == 0) {
2897 if (asserted & ATTN_GENERAL_ATTN_1) {
2898 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2899 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2900 }
2901 if (asserted & ATTN_GENERAL_ATTN_2) {
2902 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2903 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2904 }
2905 if (asserted & ATTN_GENERAL_ATTN_3) {
2906 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2907 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2908 }
2909 } else {
2910 if (asserted & ATTN_GENERAL_ATTN_4) {
2911 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2912 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2913 }
2914 if (asserted & ATTN_GENERAL_ATTN_5) {
2915 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2916 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2917 }
2918 if (asserted & ATTN_GENERAL_ATTN_6) {
2919 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2920 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2921 }
2922 }
2923
2924 } /* if hardwired */
2925
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002926 if (bp->common.int_block == INT_BLOCK_HC)
2927 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2928 COMMAND_REG_ATTN_BITS_SET);
2929 else
2930 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2931
2932 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2933 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2934 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002935
2936 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002937 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002938 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002939 bnx2x_release_phy_lock(bp);
2940 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002941}
2942
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002943static inline void bnx2x_fan_failure(struct bnx2x *bp)
2944{
2945 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002946 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002947 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002948 ext_phy_config =
2949 SHMEM_RD(bp,
2950 dev_info.port_hw_config[port].external_phy_config);
2951
2952 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2953 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002954 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002955 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002956
2957 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002958 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2959 " the driver to shutdown the card to prevent permanent"
2960 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002961}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002962
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002963static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2964{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002965 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002966 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002967 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002968
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002969 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2970 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002971
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002972 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002973
2974 val = REG_RD(bp, reg_offset);
2975 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2976 REG_WR(bp, reg_offset, val);
2977
2978 BNX2X_ERR("SPIO5 hw attention\n");
2979
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002980 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002981 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002982 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002983 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002984
Eilon Greenstein589abe32009-02-12 08:36:55 +00002985 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2986 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2987 bnx2x_acquire_phy_lock(bp);
2988 bnx2x_handle_module_detect_int(&bp->link_params);
2989 bnx2x_release_phy_lock(bp);
2990 }
2991
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002992 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2993
2994 val = REG_RD(bp, reg_offset);
2995 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2996 REG_WR(bp, reg_offset, val);
2997
2998 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00002999 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003000 bnx2x_panic();
3001 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003002}
3003
3004static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3005{
3006 u32 val;
3007
Eilon Greenstein0626b892009-02-12 08:38:14 +00003008 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003009
3010 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3011 BNX2X_ERR("DB hw attention 0x%x\n", val);
3012 /* DORQ discard attention */
3013 if (val & 0x2)
3014 BNX2X_ERR("FATAL error from DORQ\n");
3015 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003016
3017 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3018
3019 int port = BP_PORT(bp);
3020 int reg_offset;
3021
3022 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3023 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3024
3025 val = REG_RD(bp, reg_offset);
3026 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3027 REG_WR(bp, reg_offset, val);
3028
3029 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003030 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003031 bnx2x_panic();
3032 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003033}
3034
3035static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3036{
3037 u32 val;
3038
3039 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3040
3041 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3042 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3043 /* CFC error attention */
3044 if (val & 0x2)
3045 BNX2X_ERR("FATAL error from CFC\n");
3046 }
3047
3048 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3049
3050 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3051 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3052 /* RQ_USDMDP_FIFO_OVERFLOW */
3053 if (val & 0x18000)
3054 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003055 if (CHIP_IS_E2(bp)) {
3056 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3057 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3058 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003059 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003060
3061 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3062
3063 int port = BP_PORT(bp);
3064 int reg_offset;
3065
3066 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3067 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3068
3069 val = REG_RD(bp, reg_offset);
3070 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3071 REG_WR(bp, reg_offset, val);
3072
3073 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003074 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003075 bnx2x_panic();
3076 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003077}
3078
3079static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3080{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003081 u32 val;
3082
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003083 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3084
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003085 if (attn & BNX2X_PMF_LINK_ASSERT) {
3086 int func = BP_FUNC(bp);
3087
3088 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003089 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3090 func_mf_config[BP_ABS_FUNC(bp)].config);
3091 val = SHMEM_RD(bp,
3092 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003093 if (val & DRV_STATUS_DCC_EVENT_MASK)
3094 bnx2x_dcc_event(bp,
3095 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003096
3097 if (val & DRV_STATUS_SET_MF_BW)
3098 bnx2x_set_mf_bw(bp);
3099
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003100 bnx2x__link_status_update(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003101 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003102 bnx2x_pmf_update(bp);
3103
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003104 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003105 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3106 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003107 /* start dcbx state machine */
3108 bnx2x_dcbx_set_params(bp,
3109 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003110 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003111
3112 BNX2X_ERR("MC assert!\n");
3113 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3114 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3115 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3116 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3117 bnx2x_panic();
3118
3119 } else if (attn & BNX2X_MCP_ASSERT) {
3120
3121 BNX2X_ERR("MCP assert!\n");
3122 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003123 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003124
3125 } else
3126 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3127 }
3128
3129 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003130 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3131 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003132 val = CHIP_IS_E1(bp) ? 0 :
3133 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003134 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3135 }
3136 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003137 val = CHIP_IS_E1(bp) ? 0 :
3138 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003139 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3140 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003141 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003142 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003143}
3144
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003145#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3146#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3147#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3148#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3149#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003150
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003151/*
3152 * should be run under rtnl lock
3153 */
3154static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3155{
3156 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3157 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3158 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3159 barrier();
3160 mmiowb();
3161}
3162
3163/*
3164 * should be run under rtnl lock
3165 */
3166static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3167{
3168 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3169 val |= (1 << 16);
3170 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3171 barrier();
3172 mmiowb();
3173}
3174
3175/*
3176 * should be run under rtnl lock
3177 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003178bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003179{
3180 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3181 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3182 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3183}
3184
3185/*
3186 * should be run under rtnl lock
3187 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003188inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003189{
3190 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3191
3192 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3193
3194 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3195 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3196 barrier();
3197 mmiowb();
3198}
3199
3200/*
3201 * should be run under rtnl lock
3202 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003203u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003204{
3205 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3206
3207 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3208
3209 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3210 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3211 barrier();
3212 mmiowb();
3213
3214 return val1;
3215}
3216
3217/*
3218 * should be run under rtnl lock
3219 */
3220static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3221{
3222 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3223}
3224
3225static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3226{
3227 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3228 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3229}
3230
3231static inline void _print_next_block(int idx, const char *blk)
3232{
3233 if (idx)
3234 pr_cont(", ");
3235 pr_cont("%s", blk);
3236}
3237
3238static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3239{
3240 int i = 0;
3241 u32 cur_bit = 0;
3242 for (i = 0; sig; i++) {
3243 cur_bit = ((u32)0x1 << i);
3244 if (sig & cur_bit) {
3245 switch (cur_bit) {
3246 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3247 _print_next_block(par_num++, "BRB");
3248 break;
3249 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3250 _print_next_block(par_num++, "PARSER");
3251 break;
3252 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3253 _print_next_block(par_num++, "TSDM");
3254 break;
3255 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3256 _print_next_block(par_num++, "SEARCHER");
3257 break;
3258 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3259 _print_next_block(par_num++, "TSEMI");
3260 break;
3261 }
3262
3263 /* Clear the bit */
3264 sig &= ~cur_bit;
3265 }
3266 }
3267
3268 return par_num;
3269}
3270
3271static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3272{
3273 int i = 0;
3274 u32 cur_bit = 0;
3275 for (i = 0; sig; i++) {
3276 cur_bit = ((u32)0x1 << i);
3277 if (sig & cur_bit) {
3278 switch (cur_bit) {
3279 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3280 _print_next_block(par_num++, "PBCLIENT");
3281 break;
3282 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3283 _print_next_block(par_num++, "QM");
3284 break;
3285 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3286 _print_next_block(par_num++, "XSDM");
3287 break;
3288 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3289 _print_next_block(par_num++, "XSEMI");
3290 break;
3291 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3292 _print_next_block(par_num++, "DOORBELLQ");
3293 break;
3294 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3295 _print_next_block(par_num++, "VAUX PCI CORE");
3296 break;
3297 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3298 _print_next_block(par_num++, "DEBUG");
3299 break;
3300 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3301 _print_next_block(par_num++, "USDM");
3302 break;
3303 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3304 _print_next_block(par_num++, "USEMI");
3305 break;
3306 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3307 _print_next_block(par_num++, "UPB");
3308 break;
3309 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3310 _print_next_block(par_num++, "CSDM");
3311 break;
3312 }
3313
3314 /* Clear the bit */
3315 sig &= ~cur_bit;
3316 }
3317 }
3318
3319 return par_num;
3320}
3321
3322static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3323{
3324 int i = 0;
3325 u32 cur_bit = 0;
3326 for (i = 0; sig; i++) {
3327 cur_bit = ((u32)0x1 << i);
3328 if (sig & cur_bit) {
3329 switch (cur_bit) {
3330 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3331 _print_next_block(par_num++, "CSEMI");
3332 break;
3333 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3334 _print_next_block(par_num++, "PXP");
3335 break;
3336 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3337 _print_next_block(par_num++,
3338 "PXPPCICLOCKCLIENT");
3339 break;
3340 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3341 _print_next_block(par_num++, "CFC");
3342 break;
3343 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3344 _print_next_block(par_num++, "CDU");
3345 break;
3346 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3347 _print_next_block(par_num++, "IGU");
3348 break;
3349 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3350 _print_next_block(par_num++, "MISC");
3351 break;
3352 }
3353
3354 /* Clear the bit */
3355 sig &= ~cur_bit;
3356 }
3357 }
3358
3359 return par_num;
3360}
3361
3362static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3363{
3364 int i = 0;
3365 u32 cur_bit = 0;
3366 for (i = 0; sig; i++) {
3367 cur_bit = ((u32)0x1 << i);
3368 if (sig & cur_bit) {
3369 switch (cur_bit) {
3370 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3371 _print_next_block(par_num++, "MCP ROM");
3372 break;
3373 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3374 _print_next_block(par_num++, "MCP UMP RX");
3375 break;
3376 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3377 _print_next_block(par_num++, "MCP UMP TX");
3378 break;
3379 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3380 _print_next_block(par_num++, "MCP SCPAD");
3381 break;
3382 }
3383
3384 /* Clear the bit */
3385 sig &= ~cur_bit;
3386 }
3387 }
3388
3389 return par_num;
3390}
3391
3392static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3393 u32 sig2, u32 sig3)
3394{
3395 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3396 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3397 int par_num = 0;
3398 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3399 "[0]:0x%08x [1]:0x%08x "
3400 "[2]:0x%08x [3]:0x%08x\n",
3401 sig0 & HW_PRTY_ASSERT_SET_0,
3402 sig1 & HW_PRTY_ASSERT_SET_1,
3403 sig2 & HW_PRTY_ASSERT_SET_2,
3404 sig3 & HW_PRTY_ASSERT_SET_3);
3405 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3406 bp->dev->name);
3407 par_num = bnx2x_print_blocks_with_parity0(
3408 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3409 par_num = bnx2x_print_blocks_with_parity1(
3410 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3411 par_num = bnx2x_print_blocks_with_parity2(
3412 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3413 par_num = bnx2x_print_blocks_with_parity3(
3414 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3415 printk("\n");
3416 return true;
3417 } else
3418 return false;
3419}
3420
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003421bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003422{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003423 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003424 int port = BP_PORT(bp);
3425
3426 attn.sig[0] = REG_RD(bp,
3427 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3428 port*4);
3429 attn.sig[1] = REG_RD(bp,
3430 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3431 port*4);
3432 attn.sig[2] = REG_RD(bp,
3433 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3434 port*4);
3435 attn.sig[3] = REG_RD(bp,
3436 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3437 port*4);
3438
3439 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3440 attn.sig[3]);
3441}
3442
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003443
3444static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3445{
3446 u32 val;
3447 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3448
3449 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3450 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3451 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3452 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3453 "ADDRESS_ERROR\n");
3454 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3455 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3456 "INCORRECT_RCV_BEHAVIOR\n");
3457 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3458 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3459 "WAS_ERROR_ATTN\n");
3460 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3461 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3462 "VF_LENGTH_VIOLATION_ATTN\n");
3463 if (val &
3464 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3465 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3466 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3467 if (val &
3468 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3469 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3470 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3471 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3472 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3473 "TCPL_ERROR_ATTN\n");
3474 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3475 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3476 "TCPL_IN_TWO_RCBS_ATTN\n");
3477 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3478 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3479 "CSSNOOP_FIFO_OVERFLOW\n");
3480 }
3481 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3482 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3483 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3484 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3485 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3486 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3487 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3488 "_ATC_TCPL_TO_NOT_PEND\n");
3489 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3490 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3491 "ATC_GPA_MULTIPLE_HITS\n");
3492 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3493 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3494 "ATC_RCPL_TO_EMPTY_CNT\n");
3495 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3496 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3497 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3498 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3499 "ATC_IREQ_LESS_THAN_STU\n");
3500 }
3501
3502 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3503 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3504 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3505 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3506 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3507 }
3508
3509}
3510
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003511static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3512{
3513 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003514 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003515 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003516 u32 reg_addr;
3517 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003518 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003519
3520 /* need to take HW lock because MCP or other port might also
3521 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003522 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003523
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003524 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003525 bp->recovery_state = BNX2X_RECOVERY_INIT;
3526 bnx2x_set_reset_in_progress(bp);
3527 schedule_delayed_work(&bp->reset_task, 0);
3528 /* Disable HW interrupts */
3529 bnx2x_int_disable(bp);
3530 bnx2x_release_alr(bp);
3531 /* In case of parity errors don't handle attentions so that
3532 * other function would "see" parity errors.
3533 */
3534 return;
3535 }
3536
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003537 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3538 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3539 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3540 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003541 if (CHIP_IS_E2(bp))
3542 attn.sig[4] =
3543 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3544 else
3545 attn.sig[4] = 0;
3546
3547 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3548 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003549
3550 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3551 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003552 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003553
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003554 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3555 "%08x %08x %08x\n",
3556 index,
3557 group_mask->sig[0], group_mask->sig[1],
3558 group_mask->sig[2], group_mask->sig[3],
3559 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003560
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003561 bnx2x_attn_int_deasserted4(bp,
3562 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003563 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003564 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003565 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003566 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003567 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003568 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003569 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003570 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003571 }
3572 }
3573
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003574 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003575
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003576 if (bp->common.int_block == INT_BLOCK_HC)
3577 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3578 COMMAND_REG_ATTN_BITS_CLR);
3579 else
3580 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003581
3582 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003583 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3584 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003585 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003586
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003587 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003588 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003589
3590 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3591 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3592
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003593 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3594 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003595
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003596 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3597 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003598 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003599 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3600
3601 REG_WR(bp, reg_addr, aeu_mask);
3602 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003603
3604 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3605 bp->attn_state &= ~deasserted;
3606 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3607}
3608
3609static void bnx2x_attn_int(struct bnx2x *bp)
3610{
3611 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003612 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3613 attn_bits);
3614 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3615 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003616 u32 attn_state = bp->attn_state;
3617
3618 /* look for changed bits */
3619 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3620 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3621
3622 DP(NETIF_MSG_HW,
3623 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3624 attn_bits, attn_ack, asserted, deasserted);
3625
3626 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003627 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003628
3629 /* handle bits that were raised */
3630 if (asserted)
3631 bnx2x_attn_int_asserted(bp, asserted);
3632
3633 if (deasserted)
3634 bnx2x_attn_int_deasserted(bp, deasserted);
3635}
3636
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003637static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3638{
3639 /* No memory barriers */
3640 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3641 mmiowb(); /* keep prod updates ordered */
3642}
3643
3644#ifdef BCM_CNIC
3645static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3646 union event_ring_elem *elem)
3647{
3648 if (!bp->cnic_eth_dev.starting_cid ||
3649 cid < bp->cnic_eth_dev.starting_cid)
3650 return 1;
3651
3652 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3653
3654 if (unlikely(elem->message.data.cfc_del_event.error)) {
3655 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3656 cid);
3657 bnx2x_panic_dump(bp);
3658 }
3659 bnx2x_cnic_cfc_comp(bp, cid);
3660 return 0;
3661}
3662#endif
3663
3664static void bnx2x_eq_int(struct bnx2x *bp)
3665{
3666 u16 hw_cons, sw_cons, sw_prod;
3667 union event_ring_elem *elem;
3668 u32 cid;
3669 u8 opcode;
3670 int spqe_cnt = 0;
3671
3672 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3673
3674 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3675 * when we get the the next-page we nned to adjust so the loop
3676 * condition below will be met. The next element is the size of a
3677 * regular element and hence incrementing by 1
3678 */
3679 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3680 hw_cons++;
3681
3682 /* This function may never run in parralel with itself for a
3683 * specific bp, thus there is no need in "paired" read memory
3684 * barrier here.
3685 */
3686 sw_cons = bp->eq_cons;
3687 sw_prod = bp->eq_prod;
3688
3689 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->spq_left %u\n",
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003690 hw_cons, sw_cons, atomic_read(&bp->spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003691
3692 for (; sw_cons != hw_cons;
3693 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3694
3695
3696 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3697
3698 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3699 opcode = elem->message.opcode;
3700
3701
3702 /* handle eq element */
3703 switch (opcode) {
3704 case EVENT_RING_OPCODE_STAT_QUERY:
3705 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3706 /* nothing to do with stats comp */
3707 continue;
3708
3709 case EVENT_RING_OPCODE_CFC_DEL:
3710 /* handle according to cid range */
3711 /*
3712 * we may want to verify here that the bp state is
3713 * HALTING
3714 */
3715 DP(NETIF_MSG_IFDOWN,
3716 "got delete ramrod for MULTI[%d]\n", cid);
3717#ifdef BCM_CNIC
3718 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3719 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003720 if (cid == BNX2X_FCOE_ETH_CID)
3721 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3722 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003723#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003724 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003725 BNX2X_FP_STATE_CLOSED;
3726
3727 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003728
3729 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3730 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3731 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3732 goto next_spqe;
3733 case EVENT_RING_OPCODE_START_TRAFFIC:
3734 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3735 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3736 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003737 }
3738
3739 switch (opcode | bp->state) {
3740 case (EVENT_RING_OPCODE_FUNCTION_START |
3741 BNX2X_STATE_OPENING_WAIT4_PORT):
3742 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3743 bp->state = BNX2X_STATE_FUNC_STARTED;
3744 break;
3745
3746 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3747 BNX2X_STATE_CLOSING_WAIT4_HALT):
3748 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3749 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3750 break;
3751
3752 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3753 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3754 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
3755 bp->set_mac_pending = 0;
3756 break;
3757
3758 case (EVENT_RING_OPCODE_SET_MAC |
3759 BNX2X_STATE_CLOSING_WAIT4_HALT):
3760 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
3761 bp->set_mac_pending = 0;
3762 break;
3763 default:
3764 /* unknown event log error and continue */
3765 BNX2X_ERR("Unknown EQ event %d\n",
3766 elem->message.opcode);
3767 }
3768next_spqe:
3769 spqe_cnt++;
3770 } /* for */
3771
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003772 smp_mb__before_atomic_inc();
3773 atomic_add(spqe_cnt, &bp->spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003774
3775 bp->eq_cons = sw_cons;
3776 bp->eq_prod = sw_prod;
3777 /* Make sure that above mem writes were issued towards the memory */
3778 smp_wmb();
3779
3780 /* update producer */
3781 bnx2x_update_eq_prod(bp, bp->eq_prod);
3782}
3783
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003784static void bnx2x_sp_task(struct work_struct *work)
3785{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003786 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003787 u16 status;
3788
3789 /* Return here if interrupt is disabled */
3790 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003791 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003792 return;
3793 }
3794
3795 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003796/* if (status == 0) */
3797/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003798
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003799 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003800
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003801 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003802 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003803 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003804 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003805 }
3806
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003807 /* SP events: STAT_QUERY and others */
3808 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003809#ifdef BCM_CNIC
3810 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003811
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003812 if ((!NO_FCOE(bp)) &&
3813 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3814 napi_schedule(&bnx2x_fcoe(bp, napi));
3815#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003816 /* Handle EQ completions */
3817 bnx2x_eq_int(bp);
3818
3819 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3820 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3821
3822 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003823 }
3824
3825 if (unlikely(status))
3826 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3827 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003828
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003829 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3830 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003831}
3832
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003833irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003834{
3835 struct net_device *dev = dev_instance;
3836 struct bnx2x *bp = netdev_priv(dev);
3837
3838 /* Return here if interrupt is disabled */
3839 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003840 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003841 return IRQ_HANDLED;
3842 }
3843
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003844 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3845 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003846
3847#ifdef BNX2X_STOP_ON_ERROR
3848 if (unlikely(bp->panic))
3849 return IRQ_HANDLED;
3850#endif
3851
Michael Chan993ac7b2009-10-10 13:46:56 +00003852#ifdef BCM_CNIC
3853 {
3854 struct cnic_ops *c_ops;
3855
3856 rcu_read_lock();
3857 c_ops = rcu_dereference(bp->cnic_ops);
3858 if (c_ops)
3859 c_ops->cnic_handler(bp->cnic_data, NULL);
3860 rcu_read_unlock();
3861 }
3862#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003863 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003864
3865 return IRQ_HANDLED;
3866}
3867
3868/* end of slow path */
3869
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003870static void bnx2x_timer(unsigned long data)
3871{
3872 struct bnx2x *bp = (struct bnx2x *) data;
3873
3874 if (!netif_running(bp->dev))
3875 return;
3876
3877 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003878 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003879
3880 if (poll) {
3881 struct bnx2x_fastpath *fp = &bp->fp[0];
3882 int rc;
3883
Eilon Greenstein7961f792009-03-02 07:59:31 +00003884 bnx2x_tx_int(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003885 rc = bnx2x_rx_int(fp, 1000);
3886 }
3887
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003888 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003889 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003890 u32 drv_pulse;
3891 u32 mcp_pulse;
3892
3893 ++bp->fw_drv_pulse_wr_seq;
3894 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3895 /* TBD - add SYSTEM_TIME */
3896 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003897 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003898
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003899 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003900 MCP_PULSE_SEQ_MASK);
3901 /* The delta between driver pulse and mcp response
3902 * should be 1 (before mcp response) or 0 (after mcp response)
3903 */
3904 if ((drv_pulse != mcp_pulse) &&
3905 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3906 /* someone lost a heartbeat... */
3907 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3908 drv_pulse, mcp_pulse);
3909 }
3910 }
3911
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003912 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003913 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003914
Eliezer Tamirf1410642008-02-28 11:51:50 -08003915timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003916 mod_timer(&bp->timer, jiffies + bp->current_interval);
3917}
3918
3919/* end of Statistics */
3920
3921/* nic init */
3922
3923/*
3924 * nic init service functions
3925 */
3926
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003927static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003928{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003929 u32 i;
3930 if (!(len%4) && !(addr%4))
3931 for (i = 0; i < len; i += 4)
3932 REG_WR(bp, addr + i, fill);
3933 else
3934 for (i = 0; i < len; i++)
3935 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003936
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003937}
3938
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003939/* helper: writes FP SP data to FW - data_size in dwords */
3940static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3941 int fw_sb_id,
3942 u32 *sb_data_p,
3943 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003944{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003945 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003946 for (index = 0; index < data_size; index++)
3947 REG_WR(bp, BAR_CSTRORM_INTMEM +
3948 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3949 sizeof(u32)*index,
3950 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003951}
3952
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003953static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3954{
3955 u32 *sb_data_p;
3956 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003957 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003958 struct hc_status_block_data_e1x sb_data_e1x;
3959
3960 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003961 if (CHIP_IS_E2(bp)) {
3962 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3963 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3964 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3965 sb_data_e2.common.p_func.vf_valid = false;
3966 sb_data_p = (u32 *)&sb_data_e2;
3967 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3968 } else {
3969 memset(&sb_data_e1x, 0,
3970 sizeof(struct hc_status_block_data_e1x));
3971 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3972 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3973 sb_data_e1x.common.p_func.vf_valid = false;
3974 sb_data_p = (u32 *)&sb_data_e1x;
3975 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3976 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003977 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3978
3979 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3980 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3981 CSTORM_STATUS_BLOCK_SIZE);
3982 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3983 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3984 CSTORM_SYNC_BLOCK_SIZE);
3985}
3986
3987/* helper: writes SP SB data to FW */
3988static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3989 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003990{
3991 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003992 int i;
3993 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
3994 REG_WR(bp, BAR_CSTRORM_INTMEM +
3995 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
3996 i*sizeof(u32),
3997 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003998}
3999
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004000static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4001{
4002 int func = BP_FUNC(bp);
4003 struct hc_sp_status_block_data sp_sb_data;
4004 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4005
4006 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4007 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4008 sp_sb_data.p_func.vf_valid = false;
4009
4010 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4011
4012 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4013 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4014 CSTORM_SP_STATUS_BLOCK_SIZE);
4015 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4016 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4017 CSTORM_SP_SYNC_BLOCK_SIZE);
4018
4019}
4020
4021
4022static inline
4023void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4024 int igu_sb_id, int igu_seg_id)
4025{
4026 hc_sm->igu_sb_id = igu_sb_id;
4027 hc_sm->igu_seg_id = igu_seg_id;
4028 hc_sm->timer_value = 0xFF;
4029 hc_sm->time_to_expire = 0xFFFFFFFF;
4030}
4031
stephen hemminger8d962862010-10-21 07:50:56 +00004032static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004033 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4034{
4035 int igu_seg_id;
4036
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004037 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004038 struct hc_status_block_data_e1x sb_data_e1x;
4039 struct hc_status_block_sm *hc_sm_p;
4040 struct hc_index_data *hc_index_p;
4041 int data_size;
4042 u32 *sb_data_p;
4043
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004044 if (CHIP_INT_MODE_IS_BC(bp))
4045 igu_seg_id = HC_SEG_ACCESS_NORM;
4046 else
4047 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004048
4049 bnx2x_zero_fp_sb(bp, fw_sb_id);
4050
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004051 if (CHIP_IS_E2(bp)) {
4052 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4053 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4054 sb_data_e2.common.p_func.vf_id = vfid;
4055 sb_data_e2.common.p_func.vf_valid = vf_valid;
4056 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4057 sb_data_e2.common.same_igu_sb_1b = true;
4058 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4059 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4060 hc_sm_p = sb_data_e2.common.state_machine;
4061 hc_index_p = sb_data_e2.index_data;
4062 sb_data_p = (u32 *)&sb_data_e2;
4063 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4064 } else {
4065 memset(&sb_data_e1x, 0,
4066 sizeof(struct hc_status_block_data_e1x));
4067 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4068 sb_data_e1x.common.p_func.vf_id = 0xff;
4069 sb_data_e1x.common.p_func.vf_valid = false;
4070 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4071 sb_data_e1x.common.same_igu_sb_1b = true;
4072 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4073 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4074 hc_sm_p = sb_data_e1x.common.state_machine;
4075 hc_index_p = sb_data_e1x.index_data;
4076 sb_data_p = (u32 *)&sb_data_e1x;
4077 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4078 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004079
4080 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4081 igu_sb_id, igu_seg_id);
4082 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4083 igu_sb_id, igu_seg_id);
4084
4085 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4086
4087 /* write indecies to HW */
4088 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4089}
4090
4091static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4092 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004093{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004094 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004095 u8 ticks = usec / BNX2X_BTR;
4096
4097 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4098
4099 disable = disable ? 1 : (usec ? 0 : 1);
4100 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4101}
4102
4103static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4104 u16 tx_usec, u16 rx_usec)
4105{
4106 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4107 false, rx_usec);
4108 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4109 false, tx_usec);
4110}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004111
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004112static void bnx2x_init_def_sb(struct bnx2x *bp)
4113{
4114 struct host_sp_status_block *def_sb = bp->def_status_blk;
4115 dma_addr_t mapping = bp->def_status_blk_mapping;
4116 int igu_sp_sb_index;
4117 int igu_seg_id;
4118 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004119 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004120 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004121 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004122 int index;
4123 struct hc_sp_status_block_data sp_sb_data;
4124 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4125
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004126 if (CHIP_INT_MODE_IS_BC(bp)) {
4127 igu_sp_sb_index = DEF_SB_IGU_ID;
4128 igu_seg_id = HC_SEG_ACCESS_DEF;
4129 } else {
4130 igu_sp_sb_index = bp->igu_dsb_id;
4131 igu_seg_id = IGU_SEG_ACCESS_DEF;
4132 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004133
4134 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004135 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004136 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004137 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004138
Eliezer Tamir49d66772008-02-28 11:53:13 -08004139 bp->attn_state = 0;
4140
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004141 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4142 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004143 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004144 int sindex;
4145 /* take care of sig[0]..sig[4] */
4146 for (sindex = 0; sindex < 4; sindex++)
4147 bp->attn_group[index].sig[sindex] =
4148 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004149
4150 if (CHIP_IS_E2(bp))
4151 /*
4152 * enable5 is separate from the rest of the registers,
4153 * and therefore the address skip is 4
4154 * and not 16 between the different groups
4155 */
4156 bp->attn_group[index].sig[4] = REG_RD(bp,
4157 reg_offset + 0x10 + 0x4*index);
4158 else
4159 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004160 }
4161
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004162 if (bp->common.int_block == INT_BLOCK_HC) {
4163 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4164 HC_REG_ATTN_MSG0_ADDR_L);
4165
4166 REG_WR(bp, reg_offset, U64_LO(section));
4167 REG_WR(bp, reg_offset + 4, U64_HI(section));
4168 } else if (CHIP_IS_E2(bp)) {
4169 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4170 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4171 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004172
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004173 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4174 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004175
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004176 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004177
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004178 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4179 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4180 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4181 sp_sb_data.igu_seg_id = igu_seg_id;
4182 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004183 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004184 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004185
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004186 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004187
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004188 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004189 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004190
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004191 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004192}
4193
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004194void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004195{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004196 int i;
4197
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004198 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004199 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
4200 bp->rx_ticks, bp->tx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004201}
4202
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004203static void bnx2x_init_sp_ring(struct bnx2x *bp)
4204{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004205 spin_lock_init(&bp->spq_lock);
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00004206 atomic_set(&bp->spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004207
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004208 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004209 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4210 bp->spq_prod_bd = bp->spq;
4211 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004212}
4213
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004214static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004215{
4216 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004217 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4218 union event_ring_elem *elem =
4219 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004220
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004221 elem->next_page.addr.hi =
4222 cpu_to_le32(U64_HI(bp->eq_mapping +
4223 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4224 elem->next_page.addr.lo =
4225 cpu_to_le32(U64_LO(bp->eq_mapping +
4226 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004227 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004228 bp->eq_cons = 0;
4229 bp->eq_prod = NUM_EQ_DESC;
4230 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004231}
4232
4233static void bnx2x_init_ind_table(struct bnx2x *bp)
4234{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004235 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004236 int i;
4237
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004238 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004239 return;
4240
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004241 DP(NETIF_MSG_IFUP,
4242 "Initializing indirection table multi_mode %d\n", bp->multi_mode);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004243 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004244 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004245 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004246 bp->fp->cl_id + (i % (bp->num_queues -
4247 NONE_ETH_CONTEXT_USE)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004248}
4249
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004250void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004251{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004252 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004253 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004254 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004255 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004256
Eilon Greenstein581ce432009-07-29 00:20:04 +00004257 /* All but management unicast packets should pass to the host as well */
4258 u32 llh_mask =
4259 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4260 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4261 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4262 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004263
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004264 switch (mode) {
4265 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004266 def_q_filters = BNX2X_ACCEPT_NONE;
4267#ifdef BCM_CNIC
4268 if (!NO_FCOE(bp)) {
4269 cl_id = bnx2x_fcoe(bp, cl_id);
4270 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4271 }
4272#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004273 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004274
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004275 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004276 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4277 BNX2X_ACCEPT_MULTICAST;
4278#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004279 if (!NO_FCOE(bp)) {
4280 cl_id = bnx2x_fcoe(bp, cl_id);
4281 bnx2x_rxq_set_mac_filters(bp, cl_id,
4282 BNX2X_ACCEPT_UNICAST |
4283 BNX2X_ACCEPT_MULTICAST);
4284 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004285#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004286 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004287
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004288 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004289 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4290 BNX2X_ACCEPT_ALL_MULTICAST;
4291#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004292 /*
4293 * Prevent duplication of multicast packets by configuring FCoE
4294 * L2 Client to receive only matched unicast frames.
4295 */
4296 if (!NO_FCOE(bp)) {
4297 cl_id = bnx2x_fcoe(bp, cl_id);
4298 bnx2x_rxq_set_mac_filters(bp, cl_id,
4299 BNX2X_ACCEPT_UNICAST);
4300 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004301#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004302 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004303
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004304 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004305 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4306#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004307 /*
4308 * Prevent packets duplication by configuring DROP_ALL for FCoE
4309 * L2 Client.
4310 */
4311 if (!NO_FCOE(bp)) {
4312 cl_id = bnx2x_fcoe(bp, cl_id);
4313 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4314 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004315#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004316 /* pass management unicast packets as well */
4317 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004318 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004319
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004320 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004321 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4322 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004323 }
4324
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004325 cl_id = BP_L_ID(bp);
4326 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4327
Eilon Greenstein581ce432009-07-29 00:20:04 +00004328 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004329 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4330 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004331
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004332 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4333 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004334 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4335 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004336 bp->mac_filters.ucast_drop_all,
4337 bp->mac_filters.mcast_drop_all,
4338 bp->mac_filters.bcast_drop_all,
4339 bp->mac_filters.ucast_accept_all,
4340 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004341 bp->mac_filters.bcast_accept_all,
4342 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004343 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004344
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004345 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004346}
4347
Eilon Greenstein471de712008-08-13 15:49:35 -07004348static void bnx2x_init_internal_common(struct bnx2x *bp)
4349{
4350 int i;
4351
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004352 if (!CHIP_IS_E1(bp)) {
4353
4354 /* xstorm needs to know whether to add ovlan to packets or not,
4355 * in switch-independent we'll write 0 to here... */
4356 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004357 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004358 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004359 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004360 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004361 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004362 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004363 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004364 }
4365
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004366 if (IS_MF_SI(bp))
4367 /*
4368 * In switch independent mode, the TSTORM needs to accept
4369 * packets that failed classification, since approximate match
4370 * mac addresses aren't written to NIG LLH
4371 */
4372 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4373 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4374
Eilon Greenstein471de712008-08-13 15:49:35 -07004375 /* Zero this manually as its initialization is
4376 currently missing in the initTool */
4377 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4378 REG_WR(bp, BAR_USTRORM_INTMEM +
4379 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004380 if (CHIP_IS_E2(bp)) {
4381 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4382 CHIP_INT_MODE_IS_BC(bp) ?
4383 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4384 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004385}
4386
4387static void bnx2x_init_internal_port(struct bnx2x *bp)
4388{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004389 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004390 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004391}
4392
Eilon Greenstein471de712008-08-13 15:49:35 -07004393static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4394{
4395 switch (load_code) {
4396 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004397 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004398 bnx2x_init_internal_common(bp);
4399 /* no break */
4400
4401 case FW_MSG_CODE_DRV_LOAD_PORT:
4402 bnx2x_init_internal_port(bp);
4403 /* no break */
4404
4405 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004406 /* internal memory per function is
4407 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004408 break;
4409
4410 default:
4411 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4412 break;
4413 }
4414}
4415
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004416static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4417{
4418 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4419
4420 fp->state = BNX2X_FP_STATE_CLOSED;
4421
4422 fp->index = fp->cid = fp_idx;
4423 fp->cl_id = BP_L_ID(bp) + fp_idx;
4424 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4425 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4426 /* qZone id equals to FW (per path) client id */
4427 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004428 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4429 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004430 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004431 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4432 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004433 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4434 /* Setup SB indicies */
4435 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4436 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4437
4438 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4439 "cl_id %d fw_sb %d igu_sb %d\n",
4440 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4441 fp->igu_sb_id);
4442 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4443 fp->fw_sb_id, fp->igu_sb_id);
4444
4445 bnx2x_update_fpsb_idx(fp);
4446}
4447
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004448void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004449{
4450 int i;
4451
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004452 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004453 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004454#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004455 if (!NO_FCOE(bp))
4456 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004457
4458 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4459 BNX2X_VF_ID_INVALID, false,
4460 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4461
Michael Chan37b091b2009-10-10 13:46:55 +00004462#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004463
Eilon Greenstein16119782009-03-02 07:59:27 +00004464 /* ensure status block indices were read */
4465 rmb();
4466
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004467 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004468 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004469 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004470 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004471 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004472 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004473 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004474 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004475 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004476 bnx2x_stats_init(bp);
4477
4478 /* At this point, we are ready for interrupts */
4479 atomic_set(&bp->intr_sem, 0);
4480
4481 /* flush all before enabling interrupts */
4482 mb();
4483 mmiowb();
4484
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004485 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004486
4487 /* Check for SPIO5 */
4488 bnx2x_attn_int_deasserted0(bp,
4489 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4490 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004491}
4492
4493/* end of nic init */
4494
4495/*
4496 * gzip service functions
4497 */
4498
4499static int bnx2x_gunzip_init(struct bnx2x *bp)
4500{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004501 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4502 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004503 if (bp->gunzip_buf == NULL)
4504 goto gunzip_nomem1;
4505
4506 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4507 if (bp->strm == NULL)
4508 goto gunzip_nomem2;
4509
4510 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4511 GFP_KERNEL);
4512 if (bp->strm->workspace == NULL)
4513 goto gunzip_nomem3;
4514
4515 return 0;
4516
4517gunzip_nomem3:
4518 kfree(bp->strm);
4519 bp->strm = NULL;
4520
4521gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004522 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4523 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004524 bp->gunzip_buf = NULL;
4525
4526gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004527 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4528 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004529 return -ENOMEM;
4530}
4531
4532static void bnx2x_gunzip_end(struct bnx2x *bp)
4533{
4534 kfree(bp->strm->workspace);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004535 kfree(bp->strm);
4536 bp->strm = NULL;
4537
4538 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004539 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4540 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004541 bp->gunzip_buf = NULL;
4542 }
4543}
4544
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004545static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004546{
4547 int n, rc;
4548
4549 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004550 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4551 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004552 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004553 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004554
4555 n = 10;
4556
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004557#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004558
4559 if (zbuf[3] & FNAME)
4560 while ((zbuf[n++] != 0) && (n < len));
4561
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004562 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004563 bp->strm->avail_in = len - n;
4564 bp->strm->next_out = bp->gunzip_buf;
4565 bp->strm->avail_out = FW_BUF_SIZE;
4566
4567 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4568 if (rc != Z_OK)
4569 return rc;
4570
4571 rc = zlib_inflate(bp->strm, Z_FINISH);
4572 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004573 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4574 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004575
4576 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4577 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004578 netdev_err(bp->dev, "Firmware decompression error:"
4579 " gunzip_outlen (%d) not aligned\n",
4580 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004581 bp->gunzip_outlen >>= 2;
4582
4583 zlib_inflateEnd(bp->strm);
4584
4585 if (rc == Z_STREAM_END)
4586 return 0;
4587
4588 return rc;
4589}
4590
4591/* nic load/unload */
4592
4593/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004594 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004595 */
4596
4597/* send a NIG loopback debug packet */
4598static void bnx2x_lb_pckt(struct bnx2x *bp)
4599{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004600 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004601
4602 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004603 wb_write[0] = 0x55555555;
4604 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004605 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004606 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004607
4608 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004609 wb_write[0] = 0x09000000;
4610 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004611 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004612 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004613}
4614
4615/* some of the internal memories
4616 * are not directly readable from the driver
4617 * to test them we send debug packets
4618 */
4619static int bnx2x_int_mem_test(struct bnx2x *bp)
4620{
4621 int factor;
4622 int count, i;
4623 u32 val = 0;
4624
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004625 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004626 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004627 else if (CHIP_REV_IS_EMUL(bp))
4628 factor = 200;
4629 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004630 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004631
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004632 /* Disable inputs of parser neighbor blocks */
4633 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4634 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4635 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004636 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004637
4638 /* Write 0 to parser credits for CFC search request */
4639 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4640
4641 /* send Ethernet packet */
4642 bnx2x_lb_pckt(bp);
4643
4644 /* TODO do i reset NIG statistic? */
4645 /* Wait until NIG register shows 1 packet of size 0x10 */
4646 count = 1000 * factor;
4647 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004648
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004649 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4650 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004651 if (val == 0x10)
4652 break;
4653
4654 msleep(10);
4655 count--;
4656 }
4657 if (val != 0x10) {
4658 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4659 return -1;
4660 }
4661
4662 /* Wait until PRS register shows 1 packet */
4663 count = 1000 * factor;
4664 while (count) {
4665 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004666 if (val == 1)
4667 break;
4668
4669 msleep(10);
4670 count--;
4671 }
4672 if (val != 0x1) {
4673 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4674 return -2;
4675 }
4676
4677 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004678 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004679 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004680 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004681 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004682 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4683 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004684
4685 DP(NETIF_MSG_HW, "part2\n");
4686
4687 /* Disable inputs of parser neighbor blocks */
4688 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4689 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4690 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004691 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004692
4693 /* Write 0 to parser credits for CFC search request */
4694 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4695
4696 /* send 10 Ethernet packets */
4697 for (i = 0; i < 10; i++)
4698 bnx2x_lb_pckt(bp);
4699
4700 /* Wait until NIG register shows 10 + 1
4701 packets of size 11*0x10 = 0xb0 */
4702 count = 1000 * factor;
4703 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004704
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004705 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4706 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004707 if (val == 0xb0)
4708 break;
4709
4710 msleep(10);
4711 count--;
4712 }
4713 if (val != 0xb0) {
4714 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4715 return -3;
4716 }
4717
4718 /* Wait until PRS register shows 2 packets */
4719 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4720 if (val != 2)
4721 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4722
4723 /* Write 1 to parser credits for CFC search request */
4724 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4725
4726 /* Wait until PRS register shows 3 packets */
4727 msleep(10 * factor);
4728 /* Wait until NIG register shows 1 packet of size 0x10 */
4729 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4730 if (val != 3)
4731 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4732
4733 /* clear NIG EOP FIFO */
4734 for (i = 0; i < 11; i++)
4735 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4736 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4737 if (val != 1) {
4738 BNX2X_ERR("clear of NIG failed\n");
4739 return -4;
4740 }
4741
4742 /* Reset and init BRB, PRS, NIG */
4743 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4744 msleep(50);
4745 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4746 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004747 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4748 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004749#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004750 /* set NIC mode */
4751 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4752#endif
4753
4754 /* Enable inputs of parser neighbor blocks */
4755 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4756 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4757 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004758 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004759
4760 DP(NETIF_MSG_HW, "done\n");
4761
4762 return 0; /* OK */
4763}
4764
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004765static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004766{
4767 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004768 if (CHIP_IS_E2(bp))
4769 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4770 else
4771 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004772 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4773 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004774 /*
4775 * mask read length error interrupts in brb for parser
4776 * (parsing unit and 'checksum and crc' unit)
4777 * these errors are legal (PU reads fixed length and CAC can cause
4778 * read length error on truncated packets)
4779 */
4780 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004781 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4782 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4783 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4784 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4785 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004786/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4787/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004788 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4789 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4790 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004791/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4792/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004793 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4794 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4795 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4796 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004797/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4798/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004799
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004800 if (CHIP_REV_IS_FPGA(bp))
4801 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004802 else if (CHIP_IS_E2(bp))
4803 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4804 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4805 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4806 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4807 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4808 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004809 else
4810 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004811 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4812 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4813 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004814/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4815/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004816 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4817 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004818/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004819 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004820}
4821
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004822static void bnx2x_reset_common(struct bnx2x *bp)
4823{
4824 /* reset_common */
4825 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4826 0xd3ffff7f);
4827 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4828}
4829
Eilon Greenstein573f2032009-08-12 08:24:14 +00004830static void bnx2x_init_pxp(struct bnx2x *bp)
4831{
4832 u16 devctl;
4833 int r_order, w_order;
4834
4835 pci_read_config_word(bp->pdev,
4836 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4837 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4838 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4839 if (bp->mrrs == -1)
4840 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4841 else {
4842 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4843 r_order = bp->mrrs;
4844 }
4845
4846 bnx2x_init_pxp_arb(bp, r_order, w_order);
4847}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004848
4849static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4850{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004851 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004852 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004853 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004854
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004855 if (BP_NOMCP(bp))
4856 return;
4857
4858 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004859 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4860 SHARED_HW_CFG_FAN_FAILURE_MASK;
4861
4862 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4863 is_required = 1;
4864
4865 /*
4866 * The fan failure mechanism is usually related to the PHY type since
4867 * the power consumption of the board is affected by the PHY. Currently,
4868 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4869 */
4870 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4871 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004872 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004873 bnx2x_fan_failure_det_req(
4874 bp,
4875 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004876 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004877 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004878 }
4879
4880 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4881
4882 if (is_required == 0)
4883 return;
4884
4885 /* Fan failure is indicated by SPIO 5 */
4886 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4887 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4888
4889 /* set to active low mode */
4890 val = REG_RD(bp, MISC_REG_SPIO_INT);
4891 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004892 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004893 REG_WR(bp, MISC_REG_SPIO_INT, val);
4894
4895 /* enable interrupt to signal the IGU */
4896 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4897 val |= (1 << MISC_REGISTERS_SPIO_5);
4898 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4899}
4900
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004901static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4902{
4903 u32 offset = 0;
4904
4905 if (CHIP_IS_E1(bp))
4906 return;
4907 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4908 return;
4909
4910 switch (BP_ABS_FUNC(bp)) {
4911 case 0:
4912 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4913 break;
4914 case 1:
4915 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4916 break;
4917 case 2:
4918 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4919 break;
4920 case 3:
4921 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4922 break;
4923 case 4:
4924 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4925 break;
4926 case 5:
4927 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4928 break;
4929 case 6:
4930 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4931 break;
4932 case 7:
4933 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4934 break;
4935 default:
4936 return;
4937 }
4938
4939 REG_WR(bp, offset, pretend_func_num);
4940 REG_RD(bp, offset);
4941 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4942}
4943
4944static void bnx2x_pf_disable(struct bnx2x *bp)
4945{
4946 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4947 val &= ~IGU_PF_CONF_FUNC_EN;
4948
4949 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4950 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4951 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4952}
4953
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004954static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004955{
4956 u32 val, i;
4957
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004958 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004959
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004960 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004961 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4962 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4963
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004964 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004965 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004966 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004967
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004968 if (CHIP_IS_E2(bp)) {
4969 u8 fid;
4970
4971 /**
4972 * 4-port mode or 2-port mode we need to turn of master-enable
4973 * for everyone, after that, turn it back on for self.
4974 * so, we disregard multi-function or not, and always disable
4975 * for all functions on the given path, this means 0,2,4,6 for
4976 * path 0 and 1,3,5,7 for path 1
4977 */
4978 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
4979 if (fid == BP_ABS_FUNC(bp)) {
4980 REG_WR(bp,
4981 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
4982 1);
4983 continue;
4984 }
4985
4986 bnx2x_pretend_func(bp, fid);
4987 /* clear pf enable */
4988 bnx2x_pf_disable(bp);
4989 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
4990 }
4991 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004992
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004993 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004994 if (CHIP_IS_E1(bp)) {
4995 /* enable HW interrupt from PXP on USDM overflow
4996 bit 16 on INT_MASK_0 */
4997 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004998 }
4999
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005000 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005001 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005002
5003#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005004 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5005 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5006 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5007 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5008 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005009 /* make sure this value is 0 */
5010 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005011
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005012/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5013 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5014 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5015 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5016 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005017#endif
5018
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005019 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5020
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005021 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5022 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005023
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005024 /* let the HW do it's magic ... */
5025 msleep(100);
5026 /* finish PXP init */
5027 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5028 if (val != 1) {
5029 BNX2X_ERR("PXP2 CFG failed\n");
5030 return -EBUSY;
5031 }
5032 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5033 if (val != 1) {
5034 BNX2X_ERR("PXP2 RD_INIT failed\n");
5035 return -EBUSY;
5036 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005037
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005038 /* Timers bug workaround E2 only. We need to set the entire ILT to
5039 * have entries with value "0" and valid bit on.
5040 * This needs to be done by the first PF that is loaded in a path
5041 * (i.e. common phase)
5042 */
5043 if (CHIP_IS_E2(bp)) {
5044 struct ilt_client_info ilt_cli;
5045 struct bnx2x_ilt ilt;
5046 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5047 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5048
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005049 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005050 ilt_cli.start = 0;
5051 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5052 ilt_cli.client_num = ILT_CLIENT_TM;
5053
5054 /* Step 1: set zeroes to all ilt page entries with valid bit on
5055 * Step 2: set the timers first/last ilt entry to point
5056 * to the entire range to prevent ILT range error for 3rd/4th
5057 * vnic (this code assumes existance of the vnic)
5058 *
5059 * both steps performed by call to bnx2x_ilt_client_init_op()
5060 * with dummy TM client
5061 *
5062 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5063 * and his brother are split registers
5064 */
5065 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5066 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5067 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5068
5069 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5070 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5071 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5072 }
5073
5074
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005075 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5076 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005077
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005078 if (CHIP_IS_E2(bp)) {
5079 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5080 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5081 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5082
5083 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5084
5085 /* let the HW do it's magic ... */
5086 do {
5087 msleep(200);
5088 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5089 } while (factor-- && (val != 1));
5090
5091 if (val != 1) {
5092 BNX2X_ERR("ATC_INIT failed\n");
5093 return -EBUSY;
5094 }
5095 }
5096
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005097 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005098
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005099 /* clean the DMAE memory */
5100 bp->dmae_ready = 1;
5101 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005102
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005103 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5104 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5105 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5106 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005107
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005108 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5109 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5110 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5111 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5112
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005113 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005114
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005115 if (CHIP_MODE_IS_4_PORT(bp))
5116 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005117
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005118 /* QM queues pointers table */
5119 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005120
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005121 /* soft reset pulse */
5122 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5123 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005124
Michael Chan37b091b2009-10-10 13:46:55 +00005125#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005126 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005127#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005128
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005129 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005130 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5131
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005132 if (!CHIP_REV_IS_SLOW(bp)) {
5133 /* enable hw interrupt from doorbell Q */
5134 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5135 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005136
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005137 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005138 if (CHIP_MODE_IS_4_PORT(bp)) {
5139 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5140 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5141 }
5142
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005143 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005144 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005145#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005146 /* set NIC mode */
5147 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005148#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005149 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005150 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005151
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005152 if (CHIP_IS_E2(bp)) {
5153 /* Bit-map indicating which L2 hdrs may appear after the
5154 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005155 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005156 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5157 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5158 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005159
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005160 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5161 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5162 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5163 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005164
Eilon Greensteinca003922009-08-12 22:53:28 -07005165 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5166 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5167 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5168 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005169
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005170 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5171 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5172 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5173 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005174
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005175 if (CHIP_MODE_IS_4_PORT(bp))
5176 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5177
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005178 /* sync semi rtc */
5179 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5180 0x80000000);
5181 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5182 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005183
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005184 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5185 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5186 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005187
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005188 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005189 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005190 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5191 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5192 }
5193
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005194 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005195 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5196 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005197
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005198 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005199#ifdef BCM_CNIC
5200 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5201 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5202 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5203 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5204 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5205 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5206 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5207 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5208 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5209 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5210#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005211 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005212
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005213 if (sizeof(union cdu_context) != 1024)
5214 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005215 dev_alert(&bp->pdev->dev, "please adjust the size "
5216 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005217 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005218
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005219 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005220 val = (4 << 24) + (0 << 12) + 1024;
5221 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005222
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005223 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005224 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005225 /* enable context validation interrupt from CFC */
5226 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5227
5228 /* set the thresholds to prevent CFC/CDU race */
5229 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005230
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005231 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005232
5233 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5234 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5235
5236 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005237 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005238
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005239 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005240 /* Reset PCIE errors for debug */
5241 REG_WR(bp, 0x2814, 0xffffffff);
5242 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005243
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005244 if (CHIP_IS_E2(bp)) {
5245 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5246 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5247 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5248 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5249 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5250 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5251 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5252 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5253 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5254 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5255 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5256 }
5257
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005258 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005259 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005260 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005261 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005262
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005263 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005264 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005265 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005266 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005267 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005268 if (CHIP_IS_E2(bp)) {
5269 /* Bit-map indicating which L2 hdrs may appear after the
5270 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005271 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005272 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005273
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005274 if (CHIP_REV_IS_SLOW(bp))
5275 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005276
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005277 /* finish CFC init */
5278 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5279 if (val != 1) {
5280 BNX2X_ERR("CFC LL_INIT failed\n");
5281 return -EBUSY;
5282 }
5283 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5284 if (val != 1) {
5285 BNX2X_ERR("CFC AC_INIT failed\n");
5286 return -EBUSY;
5287 }
5288 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5289 if (val != 1) {
5290 BNX2X_ERR("CFC CAM_INIT failed\n");
5291 return -EBUSY;
5292 }
5293 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005294
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005295 if (CHIP_IS_E1(bp)) {
5296 /* read NIG statistic
5297 to see if this is our first up since powerup */
5298 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5299 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005300
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005301 /* do internal memory self test */
5302 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5303 BNX2X_ERR("internal mem self test failed\n");
5304 return -EBUSY;
5305 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005306 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005307
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005308 bnx2x_setup_fan_failure_detection(bp);
5309
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005310 /* clear PXP2 attentions */
5311 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005312
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005313 bnx2x_enable_blocks_attention(bp);
5314 if (CHIP_PARITY_ENABLED(bp))
5315 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005316
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005317 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005318 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5319 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5320 CHIP_IS_E1x(bp)) {
5321 u32 shmem_base[2], shmem2_base[2];
5322 shmem_base[0] = bp->common.shmem_base;
5323 shmem2_base[0] = bp->common.shmem2_base;
5324 if (CHIP_IS_E2(bp)) {
5325 shmem_base[1] =
5326 SHMEM2_RD(bp, other_shmem_base_addr);
5327 shmem2_base[1] =
5328 SHMEM2_RD(bp, other_shmem2_base_addr);
5329 }
5330 bnx2x_acquire_phy_lock(bp);
5331 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5332 bp->common.chip_id);
5333 bnx2x_release_phy_lock(bp);
5334 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005335 } else
5336 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5337
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005338 return 0;
5339}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005340
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005341static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005342{
5343 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005344 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005345 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005346 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005347
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005348 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005349
5350 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005351
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005352 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005353 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005354
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005355 /* Timers bug workaround: disables the pf_master bit in pglue at
5356 * common phase, we need to enable it here before any dmae access are
5357 * attempted. Therefore we manually added the enable-master to the
5358 * port phase (it also happens in the function phase)
5359 */
5360 if (CHIP_IS_E2(bp))
5361 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5362
Eilon Greensteinca003922009-08-12 22:53:28 -07005363 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5364 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5365 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005366 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005367
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005368 /* QM cid (connection) count */
5369 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005370
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005371#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005372 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005373 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5374 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005375#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005376
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005377 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005378
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005379 if (CHIP_MODE_IS_4_PORT(bp))
5380 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005381
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005382 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5383 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5384 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5385 /* no pause for emulation and FPGA */
5386 low = 0;
5387 high = 513;
5388 } else {
5389 if (IS_MF(bp))
5390 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5391 else if (bp->dev->mtu > 4096) {
5392 if (bp->flags & ONE_PORT_FLAG)
5393 low = 160;
5394 else {
5395 val = bp->dev->mtu;
5396 /* (24*1024 + val*4)/256 */
5397 low = 96 + (val/64) +
5398 ((val % 64) ? 1 : 0);
5399 }
5400 } else
5401 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5402 high = low + 56; /* 14*1024/256 */
5403 }
5404 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5405 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5406 }
5407
5408 if (CHIP_MODE_IS_4_PORT(bp)) {
5409 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5410 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5411 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5412 BRB1_REG_MAC_GUARANTIED_0), 40);
5413 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005414
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005415 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005416
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005417 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005418 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005419 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005420 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005421
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005422 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5423 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5424 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5425 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005426 if (CHIP_MODE_IS_4_PORT(bp))
5427 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005428
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005429 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005430 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005431
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005432 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005433
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005434 if (!CHIP_IS_E2(bp)) {
5435 /* configure PBF to work without PAUSE mtu 9000 */
5436 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005437
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005438 /* update threshold */
5439 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5440 /* update init credit */
5441 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005442
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005443 /* probe changes */
5444 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5445 udelay(50);
5446 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5447 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005448
Michael Chan37b091b2009-10-10 13:46:55 +00005449#ifdef BCM_CNIC
5450 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005451#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005452 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005453 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005454
5455 if (CHIP_IS_E1(bp)) {
5456 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5457 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5458 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005459 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005460
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005461 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5462
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005463 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005464 /* init aeu_mask_attn_func_0/1:
5465 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5466 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5467 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005468 val = IS_MF(bp) ? 0xF7 : 0x7;
5469 /* Enable DCBX attention for all but E1 */
5470 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5471 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005472
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005473 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005474 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005475 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005476 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005477 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005478
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005479 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005480
5481 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5482
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005483 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005484 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005485 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005486 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005487
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005488 if (CHIP_IS_E2(bp)) {
5489 val = 0;
5490 switch (bp->mf_mode) {
5491 case MULTI_FUNCTION_SD:
5492 val = 1;
5493 break;
5494 case MULTI_FUNCTION_SI:
5495 val = 2;
5496 break;
5497 }
5498
5499 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5500 NIG_REG_LLH0_CLS_TYPE), val);
5501 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005502 {
5503 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5504 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5505 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5506 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005507 }
5508
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005509 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005510 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005511 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005512 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005513 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5514 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5515 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005516 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005517 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005518 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005519 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005520
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005521 return 0;
5522}
5523
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005524static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5525{
5526 int reg;
5527
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005528 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005529 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005530 else
5531 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005532
5533 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5534}
5535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005536static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5537{
5538 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5539}
5540
5541static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5542{
5543 u32 i, base = FUNC_ILT_BASE(func);
5544 for (i = base; i < base + ILT_PER_FUNC; i++)
5545 bnx2x_ilt_wr(bp, i, 0);
5546}
5547
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005548static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005549{
5550 int port = BP_PORT(bp);
5551 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005552 struct bnx2x_ilt *ilt = BP_ILT(bp);
5553 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005554 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005555 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5556 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005557
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005558 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005559
Eilon Greenstein8badd272009-02-12 08:36:15 +00005560 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005561 if (bp->common.int_block == INT_BLOCK_HC) {
5562 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5563 val = REG_RD(bp, addr);
5564 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5565 REG_WR(bp, addr, val);
5566 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005567
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005568 ilt = BP_ILT(bp);
5569 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005570
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005571 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5572 ilt->lines[cdu_ilt_start + i].page =
5573 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5574 ilt->lines[cdu_ilt_start + i].page_mapping =
5575 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5576 /* cdu ilt pages are allocated manually so there's no need to
5577 set the size */
5578 }
5579 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005580
Michael Chan37b091b2009-10-10 13:46:55 +00005581#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005582 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005583
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005584 /* T1 hash bits value determines the T1 number of entries */
5585 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005586#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005587
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005588#ifndef BCM_CNIC
5589 /* set NIC mode */
5590 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5591#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005592
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005593 if (CHIP_IS_E2(bp)) {
5594 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5595
5596 /* Turn on a single ISR mode in IGU if driver is going to use
5597 * INT#x or MSI
5598 */
5599 if (!(bp->flags & USING_MSIX_FLAG))
5600 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5601 /*
5602 * Timers workaround bug: function init part.
5603 * Need to wait 20msec after initializing ILT,
5604 * needed to make sure there are no requests in
5605 * one of the PXP internal queues with "old" ILT addresses
5606 */
5607 msleep(20);
5608 /*
5609 * Master enable - Due to WB DMAE writes performed before this
5610 * register is re-initialized as part of the regular function
5611 * init
5612 */
5613 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5614 /* Enable the function in IGU */
5615 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5616 }
5617
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005618 bp->dmae_ready = 1;
5619
5620 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5621
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005622 if (CHIP_IS_E2(bp))
5623 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5624
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005625 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5626 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5627 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5628 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5629 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5630 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5631 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5632 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5633 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5634
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005635 if (CHIP_IS_E2(bp)) {
5636 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5637 BP_PATH(bp));
5638 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5639 BP_PATH(bp));
5640 }
5641
5642 if (CHIP_MODE_IS_4_PORT(bp))
5643 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5644
5645 if (CHIP_IS_E2(bp))
5646 REG_WR(bp, QM_REG_PF_EN, 1);
5647
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005648 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005649
5650 if (CHIP_MODE_IS_4_PORT(bp))
5651 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5652
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005653 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5654 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5655 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5656 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5657 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5658 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5659 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5660 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5661 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5662 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5663 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005664 if (CHIP_IS_E2(bp))
5665 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5666
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005667 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5668
5669 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5670
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005671 if (CHIP_IS_E2(bp))
5672 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5673
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005674 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005675 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005676 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005677 }
5678
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005679 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5680
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005681 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005682 if (bp->common.int_block == INT_BLOCK_HC) {
5683 if (CHIP_IS_E1H(bp)) {
5684 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5685
5686 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5687 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5688 }
5689 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5690
5691 } else {
5692 int num_segs, sb_idx, prod_offset;
5693
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005694 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5695
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005696 if (CHIP_IS_E2(bp)) {
5697 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5698 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5699 }
5700
5701 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5702
5703 if (CHIP_IS_E2(bp)) {
5704 int dsb_idx = 0;
5705 /**
5706 * Producer memory:
5707 * E2 mode: address 0-135 match to the mapping memory;
5708 * 136 - PF0 default prod; 137 - PF1 default prod;
5709 * 138 - PF2 default prod; 139 - PF3 default prod;
5710 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5711 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5712 * 144-147 reserved.
5713 *
5714 * E1.5 mode - In backward compatible mode;
5715 * for non default SB; each even line in the memory
5716 * holds the U producer and each odd line hold
5717 * the C producer. The first 128 producers are for
5718 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5719 * producers are for the DSB for each PF.
5720 * Each PF has five segments: (the order inside each
5721 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5722 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5723 * 144-147 attn prods;
5724 */
5725 /* non-default-status-blocks */
5726 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5727 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5728 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5729 prod_offset = (bp->igu_base_sb + sb_idx) *
5730 num_segs;
5731
5732 for (i = 0; i < num_segs; i++) {
5733 addr = IGU_REG_PROD_CONS_MEMORY +
5734 (prod_offset + i) * 4;
5735 REG_WR(bp, addr, 0);
5736 }
5737 /* send consumer update with value 0 */
5738 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5739 USTORM_ID, 0, IGU_INT_NOP, 1);
5740 bnx2x_igu_clear_sb(bp,
5741 bp->igu_base_sb + sb_idx);
5742 }
5743
5744 /* default-status-blocks */
5745 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5746 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5747
5748 if (CHIP_MODE_IS_4_PORT(bp))
5749 dsb_idx = BP_FUNC(bp);
5750 else
5751 dsb_idx = BP_E1HVN(bp);
5752
5753 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5754 IGU_BC_BASE_DSB_PROD + dsb_idx :
5755 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5756
5757 for (i = 0; i < (num_segs * E1HVN_MAX);
5758 i += E1HVN_MAX) {
5759 addr = IGU_REG_PROD_CONS_MEMORY +
5760 (prod_offset + i)*4;
5761 REG_WR(bp, addr, 0);
5762 }
5763 /* send consumer update with 0 */
5764 if (CHIP_INT_MODE_IS_BC(bp)) {
5765 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5766 USTORM_ID, 0, IGU_INT_NOP, 1);
5767 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5768 CSTORM_ID, 0, IGU_INT_NOP, 1);
5769 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5770 XSTORM_ID, 0, IGU_INT_NOP, 1);
5771 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5772 TSTORM_ID, 0, IGU_INT_NOP, 1);
5773 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5774 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5775 } else {
5776 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5777 USTORM_ID, 0, IGU_INT_NOP, 1);
5778 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5779 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5780 }
5781 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5782
5783 /* !!! these should become driver const once
5784 rf-tool supports split-68 const */
5785 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5786 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5787 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5788 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5789 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5790 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5791 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005792 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005793
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005794 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005795 REG_WR(bp, 0x2114, 0xffffffff);
5796 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005797
5798 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5799 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5800 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5801 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5802 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5803 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5804
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005805 if (CHIP_IS_E1x(bp)) {
5806 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5807 main_mem_base = HC_REG_MAIN_MEMORY +
5808 BP_PORT(bp) * (main_mem_size * 4);
5809 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5810 main_mem_width = 8;
5811
5812 val = REG_RD(bp, main_mem_prty_clr);
5813 if (val)
5814 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5815 "block during "
5816 "function init (0x%x)!\n", val);
5817
5818 /* Clear "false" parity errors in MSI-X table */
5819 for (i = main_mem_base;
5820 i < main_mem_base + main_mem_size * 4;
5821 i += main_mem_width) {
5822 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5823 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5824 i, main_mem_width / 4);
5825 }
5826 /* Clear HC parity attention */
5827 REG_RD(bp, main_mem_prty_clr);
5828 }
5829
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005830 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005831
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005832 return 0;
5833}
5834
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005835int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005836{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005837 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005838
5839 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005840 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005841
5842 bp->dmae_ready = 0;
5843 mutex_init(&bp->dmae_mutex);
Eilon Greenstein54016b22009-08-12 08:23:48 +00005844 rc = bnx2x_gunzip_init(bp);
5845 if (rc)
5846 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005847
5848 switch (load_code) {
5849 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005850 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005851 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005852 if (rc)
5853 goto init_hw_err;
5854 /* no break */
5855
5856 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005857 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005858 if (rc)
5859 goto init_hw_err;
5860 /* no break */
5861
5862 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005863 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005864 if (rc)
5865 goto init_hw_err;
5866 break;
5867
5868 default:
5869 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5870 break;
5871 }
5872
5873 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005874 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005875
5876 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005877 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005878 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005879 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5880 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005881
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005882init_hw_err:
5883 bnx2x_gunzip_end(bp);
5884
5885 return rc;
5886}
5887
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005888void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005889{
5890
5891#define BNX2X_PCI_FREE(x, y, size) \
5892 do { \
5893 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005894 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005895 x = NULL; \
5896 y = 0; \
5897 } \
5898 } while (0)
5899
5900#define BNX2X_FREE(x) \
5901 do { \
5902 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005903 kfree((void *)x); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005904 x = NULL; \
5905 } \
5906 } while (0)
5907
5908 int i;
5909
5910 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005911 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005912 for_each_queue(bp, i) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005913#ifdef BCM_CNIC
5914 /* FCoE client uses default status block */
5915 if (IS_FCOE_IDX(i)) {
5916 union host_hc_status_block *sb =
5917 &bnx2x_fp(bp, i, status_blk);
5918 memset(sb, 0, sizeof(union host_hc_status_block));
5919 bnx2x_fp(bp, i, status_blk_mapping) = 0;
5920 } else {
5921#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005922 /* status blocks */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005923 if (CHIP_IS_E2(bp))
5924 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
5925 bnx2x_fp(bp, i, status_blk_mapping),
5926 sizeof(struct host_hc_status_block_e2));
5927 else
5928 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
5929 bnx2x_fp(bp, i, status_blk_mapping),
5930 sizeof(struct host_hc_status_block_e1x));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005931#ifdef BCM_CNIC
5932 }
5933#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005934 }
5935 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005936 for_each_rx_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005937
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005938 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005939 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5940 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5941 bnx2x_fp(bp, i, rx_desc_mapping),
5942 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5943
5944 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5945 bnx2x_fp(bp, i, rx_comp_mapping),
5946 sizeof(struct eth_fast_path_rx_cqe) *
5947 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005948
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005949 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005950 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005951 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5952 bnx2x_fp(bp, i, rx_sge_mapping),
5953 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5954 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005955 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005956 for_each_tx_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005957
5958 /* fastpath tx rings: tx_buf tx_desc */
5959 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5960 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5961 bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07005962 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005963 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005964 /* end of fastpath */
5965
5966 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005967 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005968
5969 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005970 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005971
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005972 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5973 bp->context.size);
5974
5975 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5976
5977 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005978
Michael Chan37b091b2009-10-10 13:46:55 +00005979#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005980 if (CHIP_IS_E2(bp))
5981 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5982 sizeof(struct host_hc_status_block_e2));
5983 else
5984 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5985 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005986
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005987 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005988#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005989
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005990 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005991
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005992 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5993 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5994
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005995#undef BNX2X_PCI_FREE
5996#undef BNX2X_KFREE
5997}
5998
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005999static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
6000{
6001 union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
6002 if (CHIP_IS_E2(bp)) {
6003 bnx2x_fp(bp, index, sb_index_values) =
6004 (__le16 *)status_blk.e2_sb->sb.index_values;
6005 bnx2x_fp(bp, index, sb_running_index) =
6006 (__le16 *)status_blk.e2_sb->sb.running_index;
6007 } else {
6008 bnx2x_fp(bp, index, sb_index_values) =
6009 (__le16 *)status_blk.e1x_sb->sb.index_values;
6010 bnx2x_fp(bp, index, sb_running_index) =
6011 (__le16 *)status_blk.e1x_sb->sb.running_index;
6012 }
6013}
6014
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006015int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006016{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006017#define BNX2X_PCI_ALLOC(x, y, size) \
6018 do { \
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006019 x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006020 if (x == NULL) \
6021 goto alloc_mem_err; \
6022 memset(x, 0, size); \
6023 } while (0)
6024
6025#define BNX2X_ALLOC(x, size) \
6026 do { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006027 x = kzalloc(size, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006028 if (x == NULL) \
6029 goto alloc_mem_err; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006030 } while (0)
6031
6032 int i;
6033
6034 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006035 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006036 for_each_queue(bp, i) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006037 union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006038 bnx2x_fp(bp, i, bp) = bp;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006039 /* status blocks */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006040#ifdef BCM_CNIC
6041 if (!IS_FCOE_IDX(i)) {
6042#endif
6043 if (CHIP_IS_E2(bp))
6044 BNX2X_PCI_ALLOC(sb->e2_sb,
6045 &bnx2x_fp(bp, i, status_blk_mapping),
6046 sizeof(struct host_hc_status_block_e2));
6047 else
6048 BNX2X_PCI_ALLOC(sb->e1x_sb,
6049 &bnx2x_fp(bp, i, status_blk_mapping),
6050 sizeof(struct host_hc_status_block_e1x));
6051#ifdef BCM_CNIC
6052 }
6053#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006054 set_sb_shortcuts(bp, i);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006055 }
6056 /* Rx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006057 for_each_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006058
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006059 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006060 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
6061 sizeof(struct sw_rx_bd) * NUM_RX_BD);
6062 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
6063 &bnx2x_fp(bp, i, rx_desc_mapping),
6064 sizeof(struct eth_rx_bd) * NUM_RX_BD);
6065
6066 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
6067 &bnx2x_fp(bp, i, rx_comp_mapping),
6068 sizeof(struct eth_fast_path_rx_cqe) *
6069 NUM_RCQ_BD);
6070
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006071 /* SGE ring */
6072 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
6073 sizeof(struct sw_rx_page) * NUM_RX_SGE);
6074 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
6075 &bnx2x_fp(bp, i, rx_sge_mapping),
6076 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006077 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006078 /* Tx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006079 for_each_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006080
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006081 /* fastpath tx rings: tx_buf tx_desc */
6082 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
6083 sizeof(struct sw_tx_bd) * NUM_TX_BD);
6084 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
6085 &bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07006086 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006087 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006088 /* end of fastpath */
6089
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006090#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006091 if (CHIP_IS_E2(bp))
6092 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
6093 sizeof(struct host_hc_status_block_e2));
6094 else
6095 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
6096 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006097
6098 /* allocate searcher T2 table */
6099 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
6100#endif
6101
6102
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006103 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006104 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006105
6106 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
6107 sizeof(struct bnx2x_slowpath));
6108
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006109 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006110
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006111 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
6112 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006113
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006114 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006115
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006116 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
6117 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006118
6119 /* Slow path ring */
6120 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6121
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006122 /* EQ */
6123 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
6124 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006125 return 0;
6126
6127alloc_mem_err:
6128 bnx2x_free_mem(bp);
6129 return -ENOMEM;
6130
6131#undef BNX2X_PCI_ALLOC
6132#undef BNX2X_ALLOC
6133}
6134
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006135/*
6136 * Init service functions
6137 */
stephen hemminger8d962862010-10-21 07:50:56 +00006138static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6139 int *state_p, int flags);
6140
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006141int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006142{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006143 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006144
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006145 /* Wait for completion */
6146 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6147 WAIT_RAMROD_COMMON);
6148}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006149
stephen hemminger8d962862010-10-21 07:50:56 +00006150static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006151{
6152 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006153
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006154 /* Wait for completion */
6155 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6156 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006157}
6158
Michael Chane665bfd2009-10-10 13:46:54 +00006159/**
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006160 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
Michael Chane665bfd2009-10-10 13:46:54 +00006161 *
6162 * @param bp driver descriptor
6163 * @param set set or clear an entry (1 or 0)
6164 * @param mac pointer to a buffer containing a MAC
6165 * @param cl_bit_vec bit vector of clients to register a MAC for
6166 * @param cam_offset offset in a CAM to use
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006167 * @param is_bcast is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006168 */
Joe Perches215faf92010-12-21 02:16:10 -08006169static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006170 u32 cl_bit_vec, u8 cam_offset,
6171 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006172{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006173 struct mac_configuration_cmd *config =
6174 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6175 int ramrod_flags = WAIT_RAMROD_COMMON;
6176
6177 bp->set_mac_pending = 1;
6178 smp_wmb();
6179
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006180 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006181 config->hdr.offset = cam_offset;
6182 config->hdr.client_id = 0xff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006183 config->hdr.reserved1 = 0;
6184
6185 /* primary MAC */
6186 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006187 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006188 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006189 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006190 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006191 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006192 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006193 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006194 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006195 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006196 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006197 SET_FLAG(config->config_table[0].flags,
6198 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6199 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006200 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006201 SET_FLAG(config->config_table[0].flags,
6202 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6203 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006204
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006205 if (is_bcast)
6206 SET_FLAG(config->config_table[0].flags,
6207 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6208
6209 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006210 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006211 config->config_table[0].msb_mac_addr,
6212 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006213 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006214
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006215 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006216 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006217 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6218
6219 /* Wait for a completion */
6220 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006221}
6222
stephen hemminger8d962862010-10-21 07:50:56 +00006223static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6224 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006225{
6226 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006227 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006228 u8 poll = flags & WAIT_RAMROD_POLL;
6229 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006230
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006231 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6232 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006233
6234 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006235 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006236 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006237 if (common)
6238 bnx2x_eq_int(bp);
6239 else {
6240 bnx2x_rx_int(bp->fp, 10);
6241 /* if index is different from 0
6242 * the reply for some commands will
6243 * be on the non default queue
6244 */
6245 if (idx)
6246 bnx2x_rx_int(&bp->fp[idx], 10);
6247 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006248 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006249
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006250 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006251 if (*state_p == state) {
6252#ifdef BNX2X_STOP_ON_ERROR
6253 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6254#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006255 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006256 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006257
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006258 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006259
6260 if (bp->panic)
6261 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006262 }
6263
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006264 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006265 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6266 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006267#ifdef BNX2X_STOP_ON_ERROR
6268 bnx2x_panic();
6269#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006270
Eliezer Tamir49d66772008-02-28 11:53:13 -08006271 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006272}
6273
stephen hemminger8d962862010-10-21 07:50:56 +00006274static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006275{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006276 if (CHIP_IS_E1H(bp))
6277 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6278 else if (CHIP_MODE_IS_4_PORT(bp))
6279 return BP_FUNC(bp) * 32 + rel_offset;
6280 else
6281 return BP_VN(bp) * 32 + rel_offset;
Michael Chane665bfd2009-10-10 13:46:54 +00006282}
6283
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006284/**
6285 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6286 * relevant. In addition, current implementation is tuned for a
6287 * single ETH MAC.
6288 *
6289 * When multiple unicast ETH MACs PF configuration in switch
6290 * independent mode is required (NetQ, multiple netdev MACs,
6291 * etc.), consider better utilisation of 16 per function MAC
6292 * entries in the LLH memory.
6293 */
6294enum {
6295 LLH_CAM_ISCSI_ETH_LINE = 0,
6296 LLH_CAM_ETH_LINE,
6297 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6298};
6299
6300static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6301 int set,
6302 unsigned char *dev_addr,
6303 int index)
6304{
6305 u32 wb_data[2];
6306 u32 mem_offset, ena_offset, mem_index;
6307 /**
6308 * indexes mapping:
6309 * 0..7 - goes to MEM
6310 * 8..15 - goes to MEM2
6311 */
6312
6313 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6314 return;
6315
6316 /* calculate memory start offset according to the mapping
6317 * and index in the memory */
6318 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6319 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6320 NIG_REG_LLH0_FUNC_MEM;
6321 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6322 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6323 mem_index = index;
6324 } else {
6325 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6326 NIG_REG_P0_LLH_FUNC_MEM2;
6327 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6328 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6329 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6330 }
6331
6332 if (set) {
6333 /* LLH_FUNC_MEM is a u64 WB register */
6334 mem_offset += 8*mem_index;
6335
6336 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6337 (dev_addr[4] << 8) | dev_addr[5]);
6338 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6339
6340 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6341 }
6342
6343 /* enable/disable the entry */
6344 REG_WR(bp, ena_offset + 4*mem_index, set);
6345
6346}
6347
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006348void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006349{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006350 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6351 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6352
6353 /* networking MAC */
6354 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6355 (1 << bp->fp->cl_id), cam_offset , 0);
6356
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006357 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6358
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006359 if (CHIP_IS_E1(bp)) {
6360 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006361 static const u8 bcast[ETH_ALEN] = {
6362 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6363 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006364 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6365 }
6366}
6367static void bnx2x_set_e1_mc_list(struct bnx2x *bp, u8 offset)
6368{
6369 int i = 0, old;
6370 struct net_device *dev = bp->dev;
6371 struct netdev_hw_addr *ha;
6372 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6373 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6374
6375 netdev_for_each_mc_addr(ha, dev) {
6376 /* copy mac */
6377 config_cmd->config_table[i].msb_mac_addr =
6378 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6379 config_cmd->config_table[i].middle_mac_addr =
6380 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6381 config_cmd->config_table[i].lsb_mac_addr =
6382 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6383
6384 config_cmd->config_table[i].vlan_id = 0;
6385 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6386 config_cmd->config_table[i].clients_bit_vector =
6387 cpu_to_le32(1 << BP_L_ID(bp));
6388
6389 SET_FLAG(config_cmd->config_table[i].flags,
6390 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6391 T_ETH_MAC_COMMAND_SET);
6392
6393 DP(NETIF_MSG_IFUP,
6394 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6395 config_cmd->config_table[i].msb_mac_addr,
6396 config_cmd->config_table[i].middle_mac_addr,
6397 config_cmd->config_table[i].lsb_mac_addr);
6398 i++;
6399 }
6400 old = config_cmd->hdr.length;
6401 if (old > i) {
6402 for (; i < old; i++) {
6403 if (CAM_IS_INVALID(config_cmd->
6404 config_table[i])) {
6405 /* already invalidated */
6406 break;
6407 }
6408 /* invalidate */
6409 SET_FLAG(config_cmd->config_table[i].flags,
6410 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6411 T_ETH_MAC_COMMAND_INVALIDATE);
6412 }
6413 }
6414
6415 config_cmd->hdr.length = i;
6416 config_cmd->hdr.offset = offset;
6417 config_cmd->hdr.client_id = 0xff;
6418 config_cmd->hdr.reserved1 = 0;
6419
6420 bp->set_mac_pending = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006421 smp_wmb();
6422
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006423 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6424 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6425}
6426static void bnx2x_invlidate_e1_mc_list(struct bnx2x *bp)
6427{
6428 int i;
6429 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6430 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6431 int ramrod_flags = WAIT_RAMROD_COMMON;
6432
6433 bp->set_mac_pending = 1;
6434 smp_wmb();
6435
6436 for (i = 0; i < config_cmd->hdr.length; i++)
6437 SET_FLAG(config_cmd->config_table[i].flags,
6438 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6439 T_ETH_MAC_COMMAND_INVALIDATE);
6440
6441 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6442 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006443
6444 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006445 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6446 ramrod_flags);
6447
Michael Chane665bfd2009-10-10 13:46:54 +00006448}
6449
Michael Chan993ac7b2009-10-10 13:46:56 +00006450#ifdef BCM_CNIC
6451/**
6452 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
6453 * MAC(s). This function will wait until the ramdord completion
6454 * returns.
6455 *
6456 * @param bp driver handle
6457 * @param set set or clear the CAM entry
6458 *
6459 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6460 */
stephen hemminger8d962862010-10-21 07:50:56 +00006461static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006462{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006463 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6464 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006465 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6466 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006467 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Michael Chan993ac7b2009-10-10 13:46:56 +00006468
6469 /* Send a SET_MAC ramrod */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006470 bnx2x_set_mac_addr_gen(bp, set, bp->iscsi_mac, cl_bit_vec,
6471 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006472
6473 bnx2x_set_mac_in_nig(bp, set, bp->iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006474
6475 return 0;
6476}
6477
6478/**
6479 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
6480 * ETH MAC(s). This function will wait until the ramdord
6481 * completion returns.
6482 *
6483 * @param bp driver handle
6484 * @param set set or clear the CAM entry
6485 *
6486 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6487 */
6488int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6489{
6490 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6491 /**
6492 * CAM allocation for E1H
6493 * eth unicasts: by func number
6494 * iscsi: by func number
6495 * fip unicast: by func number
6496 * fip multicast: by func number
6497 */
6498 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6499 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6500
6501 return 0;
6502}
6503
6504int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6505{
6506 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6507
6508 /**
6509 * CAM allocation for E1H
6510 * eth unicasts: by func number
6511 * iscsi: by func number
6512 * fip unicast: by func number
6513 * fip multicast: by func number
6514 */
6515 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6516 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6517
Michael Chan993ac7b2009-10-10 13:46:56 +00006518 return 0;
6519}
6520#endif
6521
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006522static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6523 struct bnx2x_client_init_params *params,
6524 u8 activate,
6525 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006526{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006527 /* Clear the buffer */
6528 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006529
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006530 /* general */
6531 data->general.client_id = params->rxq_params.cl_id;
6532 data->general.statistics_counter_id = params->rxq_params.stat_id;
6533 data->general.statistics_en_flg =
6534 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006535 data->general.is_fcoe_flg =
6536 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006537 data->general.activate_flg = activate;
6538 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006539
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006540 /* Rx data */
6541 data->rx.tpa_en_flg =
6542 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6543 data->rx.vmqueue_mode_en_flg = 0;
6544 data->rx.cache_line_alignment_log_size =
6545 params->rxq_params.cache_line_log;
6546 data->rx.enable_dynamic_hc =
6547 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6548 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6549 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6550 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6551
6552 /* We don't set drop flags */
6553 data->rx.drop_ip_cs_err_flg = 0;
6554 data->rx.drop_tcp_cs_err_flg = 0;
6555 data->rx.drop_ttl0_flg = 0;
6556 data->rx.drop_udp_cs_err_flg = 0;
6557
6558 data->rx.inner_vlan_removal_enable_flg =
6559 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6560 data->rx.outer_vlan_removal_enable_flg =
6561 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6562 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6563 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6564 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6565 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6566 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6567 data->rx.bd_page_base.lo =
6568 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6569 data->rx.bd_page_base.hi =
6570 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6571 data->rx.sge_page_base.lo =
6572 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6573 data->rx.sge_page_base.hi =
6574 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6575 data->rx.cqe_page_base.lo =
6576 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6577 data->rx.cqe_page_base.hi =
6578 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6579 data->rx.is_leading_rss =
6580 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6581 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6582
6583 /* Tx data */
6584 data->tx.enforce_security_flg = 0; /* VF specific */
6585 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6586 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6587 data->tx.mtu = 0; /* VF specific */
6588 data->tx.tx_bd_page_base.lo =
6589 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6590 data->tx.tx_bd_page_base.hi =
6591 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6592
6593 /* flow control data */
6594 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6595 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6596 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6597 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6598 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6599 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6600 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6601
6602 data->fc.safc_group_num = params->txq_params.cos;
6603 data->fc.safc_group_en_flg =
6604 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006605 data->fc.traffic_type =
6606 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6607 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006608}
6609
6610static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6611{
6612 /* ustorm cxt validation */
6613 cxt->ustorm_ag_context.cdu_usage =
6614 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6615 ETH_CONNECTION_TYPE);
6616 /* xcontext validation */
6617 cxt->xstorm_ag_context.cdu_reserved =
6618 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6619 ETH_CONNECTION_TYPE);
6620}
6621
stephen hemminger8d962862010-10-21 07:50:56 +00006622static int bnx2x_setup_fw_client(struct bnx2x *bp,
6623 struct bnx2x_client_init_params *params,
6624 u8 activate,
6625 struct client_init_ramrod_data *data,
6626 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006627{
6628 u16 hc_usec;
6629 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6630 int ramrod_flags = 0, rc;
6631
6632 /* HC and context validation values */
6633 hc_usec = params->txq_params.hc_rate ?
6634 1000000 / params->txq_params.hc_rate : 0;
6635 bnx2x_update_coalesce_sb_index(bp,
6636 params->txq_params.fw_sb_id,
6637 params->txq_params.sb_cq_index,
6638 !(params->txq_params.flags & QUEUE_FLG_HC),
6639 hc_usec);
6640
6641 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6642
6643 hc_usec = params->rxq_params.hc_rate ?
6644 1000000 / params->rxq_params.hc_rate : 0;
6645 bnx2x_update_coalesce_sb_index(bp,
6646 params->rxq_params.fw_sb_id,
6647 params->rxq_params.sb_cq_index,
6648 !(params->rxq_params.flags & QUEUE_FLG_HC),
6649 hc_usec);
6650
6651 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6652 params->rxq_params.cid);
6653
6654 /* zero stats */
6655 if (params->txq_params.flags & QUEUE_FLG_STATS)
6656 storm_memset_xstats_zero(bp, BP_PORT(bp),
6657 params->txq_params.stat_id);
6658
6659 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6660 storm_memset_ustats_zero(bp, BP_PORT(bp),
6661 params->rxq_params.stat_id);
6662 storm_memset_tstats_zero(bp, BP_PORT(bp),
6663 params->rxq_params.stat_id);
6664 }
6665
6666 /* Fill the ramrod data */
6667 bnx2x_fill_cl_init_data(bp, params, activate, data);
6668
6669 /* SETUP ramrod.
6670 *
6671 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6672 * barrier except from mmiowb() is needed to impose a
6673 * proper ordering of memory operations.
6674 */
6675 mmiowb();
6676
6677
6678 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6679 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006680
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006681 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006682 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6683 params->ramrod_params.index,
6684 params->ramrod_params.pstate,
6685 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006686 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006687}
6688
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006689/**
6690 * Configure interrupt mode according to current configuration.
6691 * In case of MSI-X it will also try to enable MSI-X.
6692 *
6693 * @param bp
6694 *
6695 * @return int
6696 */
6697static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006698{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006699 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006700
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006701 switch (bp->int_mode) {
6702 case INT_MODE_MSI:
6703 bnx2x_enable_msi(bp);
6704 /* falling through... */
6705 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006706 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006707 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006708 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006709 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006710 /* Set number of queues according to bp->multi_mode value */
6711 bnx2x_set_num_queues(bp);
6712
6713 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6714 bp->num_queues);
6715
6716 /* if we can't use MSI-X we only need one fp,
6717 * so try to enable MSI-X with the requested number of fp's
6718 * and fallback to MSI or legacy INTx with one fp
6719 */
6720 rc = bnx2x_enable_msix(bp);
6721 if (rc) {
6722 /* failed to enable MSI-X */
6723 if (bp->multi_mode)
6724 DP(NETIF_MSG_IFUP,
6725 "Multi requested but failed to "
6726 "enable MSI-X (%d), "
6727 "set number of queues to %d\n",
6728 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006729 1 + NONE_ETH_CONTEXT_USE);
6730 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006731
6732 if (!(bp->flags & DISABLE_MSI_FLAG))
6733 bnx2x_enable_msi(bp);
6734 }
6735
Eilon Greensteinca003922009-08-12 22:53:28 -07006736 break;
6737 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006738
6739 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006740}
6741
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006742/* must be called prioir to any HW initializations */
6743static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6744{
6745 return L2_ILT_LINES(bp);
6746}
6747
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006748void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006749{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006750 struct ilt_client_info *ilt_client;
6751 struct bnx2x_ilt *ilt = BP_ILT(bp);
6752 u16 line = 0;
6753
6754 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6755 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6756
6757 /* CDU */
6758 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6759 ilt_client->client_num = ILT_CLIENT_CDU;
6760 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6761 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6762 ilt_client->start = line;
6763 line += L2_ILT_LINES(bp);
6764#ifdef BCM_CNIC
6765 line += CNIC_ILT_LINES;
6766#endif
6767 ilt_client->end = line - 1;
6768
6769 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6770 "flags 0x%x, hw psz %d\n",
6771 ilt_client->start,
6772 ilt_client->end,
6773 ilt_client->page_size,
6774 ilt_client->flags,
6775 ilog2(ilt_client->page_size >> 12));
6776
6777 /* QM */
6778 if (QM_INIT(bp->qm_cid_count)) {
6779 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6780 ilt_client->client_num = ILT_CLIENT_QM;
6781 ilt_client->page_size = QM_ILT_PAGE_SZ;
6782 ilt_client->flags = 0;
6783 ilt_client->start = line;
6784
6785 /* 4 bytes for each cid */
6786 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6787 QM_ILT_PAGE_SZ);
6788
6789 ilt_client->end = line - 1;
6790
6791 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6792 "flags 0x%x, hw psz %d\n",
6793 ilt_client->start,
6794 ilt_client->end,
6795 ilt_client->page_size,
6796 ilt_client->flags,
6797 ilog2(ilt_client->page_size >> 12));
6798
6799 }
6800 /* SRC */
6801 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6802#ifdef BCM_CNIC
6803 ilt_client->client_num = ILT_CLIENT_SRC;
6804 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6805 ilt_client->flags = 0;
6806 ilt_client->start = line;
6807 line += SRC_ILT_LINES;
6808 ilt_client->end = line - 1;
6809
6810 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6811 "flags 0x%x, hw psz %d\n",
6812 ilt_client->start,
6813 ilt_client->end,
6814 ilt_client->page_size,
6815 ilt_client->flags,
6816 ilog2(ilt_client->page_size >> 12));
6817
6818#else
6819 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6820#endif
6821
6822 /* TM */
6823 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6824#ifdef BCM_CNIC
6825 ilt_client->client_num = ILT_CLIENT_TM;
6826 ilt_client->page_size = TM_ILT_PAGE_SZ;
6827 ilt_client->flags = 0;
6828 ilt_client->start = line;
6829 line += TM_ILT_LINES;
6830 ilt_client->end = line - 1;
6831
6832 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6833 "flags 0x%x, hw psz %d\n",
6834 ilt_client->start,
6835 ilt_client->end,
6836 ilt_client->page_size,
6837 ilt_client->flags,
6838 ilog2(ilt_client->page_size >> 12));
6839
6840#else
6841 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6842#endif
6843}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006844
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006845int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6846 int is_leading)
6847{
6848 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006849 int rc;
6850
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006851 /* reset IGU state skip FCoE L2 queue */
6852 if (!IS_FCOE_FP(fp))
6853 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006854 IGU_INT_ENABLE, 0);
6855
6856 params.ramrod_params.pstate = &fp->state;
6857 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6858 params.ramrod_params.index = fp->index;
6859 params.ramrod_params.cid = fp->cid;
6860
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006861#ifdef BCM_CNIC
6862 if (IS_FCOE_FP(fp))
6863 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6864
6865#endif
6866
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006867 if (is_leading)
6868 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6869
6870 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6871
6872 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6873
6874 rc = bnx2x_setup_fw_client(bp, &params, 1,
6875 bnx2x_sp(bp, client_init_data),
6876 bnx2x_sp_mapping(bp, client_init_data));
6877 return rc;
6878}
6879
stephen hemminger8d962862010-10-21 07:50:56 +00006880static int bnx2x_stop_fw_client(struct bnx2x *bp,
6881 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006882{
6883 int rc;
6884
6885 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6886
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006887 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006888 *p->pstate = BNX2X_FP_STATE_HALTING;
6889 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6890 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006891
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006892 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006893 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6894 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006895 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006896 return rc;
6897
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006898 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6899 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6900 p->cl_id, 0);
6901 /* Wait for completion */
6902 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6903 p->pstate, poll_flag);
6904 if (rc) /* timeout */
6905 return rc;
6906
6907
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006908 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006909 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006910
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006911 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006912 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6913 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006914 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006915}
6916
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006917static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006918{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006919 struct bnx2x_client_ramrod_params client_stop = {0};
6920 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006921
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006922 client_stop.index = index;
6923 client_stop.cid = fp->cid;
6924 client_stop.cl_id = fp->cl_id;
6925 client_stop.pstate = &(fp->state);
6926 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006927
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006928 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006929}
6930
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006931
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006932static void bnx2x_reset_func(struct bnx2x *bp)
6933{
6934 int port = BP_PORT(bp);
6935 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006936 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006937 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006938 (CHIP_IS_E2(bp) ?
6939 offsetof(struct hc_status_block_data_e2, common) :
6940 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006941 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6942 int pfid_offset = offsetof(struct pci_entity, pf_id);
6943
6944 /* Disable the function in the FW */
6945 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6946 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6947 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6948 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6949
6950 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006951 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006952 struct bnx2x_fastpath *fp = &bp->fp[i];
6953 REG_WR8(bp,
6954 BAR_CSTRORM_INTMEM +
6955 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6956 + pfunc_offset_fp + pfid_offset,
6957 HC_FUNCTION_DISABLED);
6958 }
6959
6960 /* SP SB */
6961 REG_WR8(bp,
6962 BAR_CSTRORM_INTMEM +
6963 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6964 pfunc_offset_sp + pfid_offset,
6965 HC_FUNCTION_DISABLED);
6966
6967
6968 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6969 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6970 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006971
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006972 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006973 if (bp->common.int_block == INT_BLOCK_HC) {
6974 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6975 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6976 } else {
6977 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6978 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6979 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006980
Michael Chan37b091b2009-10-10 13:46:55 +00006981#ifdef BCM_CNIC
6982 /* Disable Timer scan */
6983 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6984 /*
6985 * Wait for at least 10ms and up to 2 second for the timers scan to
6986 * complete
6987 */
6988 for (i = 0; i < 200; i++) {
6989 msleep(10);
6990 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6991 break;
6992 }
6993#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006994 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006995 bnx2x_clear_func_ilt(bp, func);
6996
6997 /* Timers workaround bug for E2: if this is vnic-3,
6998 * we need to set the entire ilt range for this timers.
6999 */
7000 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
7001 struct ilt_client_info ilt_cli;
7002 /* use dummy TM client */
7003 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7004 ilt_cli.start = 0;
7005 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7006 ilt_cli.client_num = ILT_CLIENT_TM;
7007
7008 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7009 }
7010
7011 /* this assumes that reset_port() called before reset_func()*/
7012 if (CHIP_IS_E2(bp))
7013 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007014
7015 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007016}
7017
7018static void bnx2x_reset_port(struct bnx2x *bp)
7019{
7020 int port = BP_PORT(bp);
7021 u32 val;
7022
7023 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7024
7025 /* Do not rcv packets to BRB */
7026 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7027 /* Do not direct rcv packets that are not for MCP to the BRB */
7028 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7029 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7030
7031 /* Configure AEU */
7032 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7033
7034 msleep(100);
7035 /* Check for BRB port occupancy */
7036 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7037 if (val)
7038 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007039 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007040
7041 /* TODO: Close Doorbell port? */
7042}
7043
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007044static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7045{
7046 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007047 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007048
7049 switch (reset_code) {
7050 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7051 bnx2x_reset_port(bp);
7052 bnx2x_reset_func(bp);
7053 bnx2x_reset_common(bp);
7054 break;
7055
7056 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7057 bnx2x_reset_port(bp);
7058 bnx2x_reset_func(bp);
7059 break;
7060
7061 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7062 bnx2x_reset_func(bp);
7063 break;
7064
7065 default:
7066 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7067 break;
7068 }
7069}
7070
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007071#ifdef BCM_CNIC
7072static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7073{
7074 if (bp->flags & FCOE_MACS_SET) {
7075 if (!IS_MF_SD(bp))
7076 bnx2x_set_fip_eth_mac_addr(bp, 0);
7077
7078 bnx2x_set_all_enode_macs(bp, 0);
7079
7080 bp->flags &= ~FCOE_MACS_SET;
7081 }
7082}
7083#endif
7084
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007085void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007086{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007087 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007088 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007089 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007090
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007091 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007092 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007093 struct bnx2x_fastpath *fp = &bp->fp[i];
7094
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007095 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007096 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007097
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007098 if (!cnt) {
7099 BNX2X_ERR("timeout waiting for queue[%d]\n",
7100 i);
7101#ifdef BNX2X_STOP_ON_ERROR
7102 bnx2x_panic();
7103 return -EBUSY;
7104#else
7105 break;
7106#endif
7107 }
7108 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007109 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007110 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007111 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007112 /* Give HW time to discard old tx messages */
7113 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007114
Yitchak Gertner65abd742008-08-25 15:26:24 -07007115 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007116 /* invalidate mc list,
7117 * wait and poll (interrupts are off)
7118 */
7119 bnx2x_invlidate_e1_mc_list(bp);
7120 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007121
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007122 } else {
Yitchak Gertner65abd742008-08-25 15:26:24 -07007123 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7124
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007125 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007126
7127 for (i = 0; i < MC_HASH_SIZE; i++)
7128 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
7129 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007130
Michael Chan993ac7b2009-10-10 13:46:56 +00007131#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007132 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007133#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007134
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007135 if (unload_mode == UNLOAD_NORMAL)
7136 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007137
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007138 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007139 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007140
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007141 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007142 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007143 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007144 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007145 /* The mac address is written to entries 1-4 to
7146 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007147 u8 entry = (BP_E1HVN(bp) + 1)*8;
7148
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007149 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007150 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007151
7152 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7153 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007154 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007155
7156 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007157
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007158 } else
7159 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7160
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007161 /* Close multi and leading connections
7162 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007163 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007164
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007165 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007166#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007167 return;
7168#else
7169 goto unload_error;
7170#endif
7171
7172 rc = bnx2x_func_stop(bp);
7173 if (rc) {
7174 BNX2X_ERR("Function stop failed!\n");
7175#ifdef BNX2X_STOP_ON_ERROR
7176 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007177#else
7178 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007179#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007180 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007181#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007182unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007183#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007184 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007185 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007186 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007187 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7188 "%d, %d, %d\n", BP_PATH(bp),
7189 load_count[BP_PATH(bp)][0],
7190 load_count[BP_PATH(bp)][1],
7191 load_count[BP_PATH(bp)][2]);
7192 load_count[BP_PATH(bp)][0]--;
7193 load_count[BP_PATH(bp)][1 + port]--;
7194 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7195 "%d, %d, %d\n", BP_PATH(bp),
7196 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7197 load_count[BP_PATH(bp)][2]);
7198 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007199 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007200 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007201 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7202 else
7203 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7204 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007205
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007206 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7207 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7208 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007209
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007210 /* Disable HW interrupts, NAPI */
7211 bnx2x_netif_stop(bp, 1);
7212
7213 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007214 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007215
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007216 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007217 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007218
7219 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007220 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007221 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007222
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007223}
7224
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007225void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007226{
7227 u32 val;
7228
7229 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7230
7231 if (CHIP_IS_E1(bp)) {
7232 int port = BP_PORT(bp);
7233 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7234 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7235
7236 val = REG_RD(bp, addr);
7237 val &= ~(0x300);
7238 REG_WR(bp, addr, val);
7239 } else if (CHIP_IS_E1H(bp)) {
7240 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7241 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7242 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7243 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7244 }
7245}
7246
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007247/* Close gates #2, #3 and #4: */
7248static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7249{
7250 u32 val, addr;
7251
7252 /* Gates #2 and #4a are closed/opened for "not E1" only */
7253 if (!CHIP_IS_E1(bp)) {
7254 /* #4 */
7255 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7256 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7257 close ? (val | 0x1) : (val & (~(u32)1)));
7258 /* #2 */
7259 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7260 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7261 close ? (val | 0x1) : (val & (~(u32)1)));
7262 }
7263
7264 /* #3 */
7265 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7266 val = REG_RD(bp, addr);
7267 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7268
7269 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7270 close ? "closing" : "opening");
7271 mmiowb();
7272}
7273
7274#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7275
7276static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7277{
7278 /* Do some magic... */
7279 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7280 *magic_val = val & SHARED_MF_CLP_MAGIC;
7281 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7282}
7283
7284/* Restore the value of the `magic' bit.
7285 *
7286 * @param pdev Device handle.
7287 * @param magic_val Old value of the `magic' bit.
7288 */
7289static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7290{
7291 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007292 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7293 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7294 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7295}
7296
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007297/**
7298 * Prepares for MCP reset: takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007299 *
7300 * @param bp
7301 * @param magic_val Old value of 'magic' bit.
7302 */
7303static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7304{
7305 u32 shmem;
7306 u32 validity_offset;
7307
7308 DP(NETIF_MSG_HW, "Starting\n");
7309
7310 /* Set `magic' bit in order to save MF config */
7311 if (!CHIP_IS_E1(bp))
7312 bnx2x_clp_reset_prep(bp, magic_val);
7313
7314 /* Get shmem offset */
7315 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7316 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7317
7318 /* Clear validity map flags */
7319 if (shmem > 0)
7320 REG_WR(bp, shmem + validity_offset, 0);
7321}
7322
7323#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7324#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7325
7326/* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
7327 * depending on the HW type.
7328 *
7329 * @param bp
7330 */
7331static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7332{
7333 /* special handling for emulation and FPGA,
7334 wait 10 times longer */
7335 if (CHIP_REV_IS_SLOW(bp))
7336 msleep(MCP_ONE_TIMEOUT*10);
7337 else
7338 msleep(MCP_ONE_TIMEOUT);
7339}
7340
7341static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7342{
7343 u32 shmem, cnt, validity_offset, val;
7344 int rc = 0;
7345
7346 msleep(100);
7347
7348 /* Get shmem offset */
7349 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7350 if (shmem == 0) {
7351 BNX2X_ERR("Shmem 0 return failure\n");
7352 rc = -ENOTTY;
7353 goto exit_lbl;
7354 }
7355
7356 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7357
7358 /* Wait for MCP to come up */
7359 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7360 /* TBD: its best to check validity map of last port.
7361 * currently checks on port 0.
7362 */
7363 val = REG_RD(bp, shmem + validity_offset);
7364 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7365 shmem + validity_offset, val);
7366
7367 /* check that shared memory is valid. */
7368 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7369 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7370 break;
7371
7372 bnx2x_mcp_wait_one(bp);
7373 }
7374
7375 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7376
7377 /* Check that shared memory is valid. This indicates that MCP is up. */
7378 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7379 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7380 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7381 rc = -ENOTTY;
7382 goto exit_lbl;
7383 }
7384
7385exit_lbl:
7386 /* Restore the `magic' bit value */
7387 if (!CHIP_IS_E1(bp))
7388 bnx2x_clp_reset_done(bp, magic_val);
7389
7390 return rc;
7391}
7392
7393static void bnx2x_pxp_prep(struct bnx2x *bp)
7394{
7395 if (!CHIP_IS_E1(bp)) {
7396 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7397 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7398 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7399 mmiowb();
7400 }
7401}
7402
7403/*
7404 * Reset the whole chip except for:
7405 * - PCIE core
7406 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7407 * one reset bit)
7408 * - IGU
7409 * - MISC (including AEU)
7410 * - GRC
7411 * - RBCN, RBCP
7412 */
7413static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7414{
7415 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7416
7417 not_reset_mask1 =
7418 MISC_REGISTERS_RESET_REG_1_RST_HC |
7419 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7420 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7421
7422 not_reset_mask2 =
7423 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7424 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7425 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7426 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7427 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7428 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7429 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7430 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7431
7432 reset_mask1 = 0xffffffff;
7433
7434 if (CHIP_IS_E1(bp))
7435 reset_mask2 = 0xffff;
7436 else
7437 reset_mask2 = 0x1ffff;
7438
7439 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7440 reset_mask1 & (~not_reset_mask1));
7441 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7442 reset_mask2 & (~not_reset_mask2));
7443
7444 barrier();
7445 mmiowb();
7446
7447 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7448 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7449 mmiowb();
7450}
7451
7452static int bnx2x_process_kill(struct bnx2x *bp)
7453{
7454 int cnt = 1000;
7455 u32 val = 0;
7456 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7457
7458
7459 /* Empty the Tetris buffer, wait for 1s */
7460 do {
7461 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7462 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7463 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7464 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7465 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7466 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7467 ((port_is_idle_0 & 0x1) == 0x1) &&
7468 ((port_is_idle_1 & 0x1) == 0x1) &&
7469 (pgl_exp_rom2 == 0xffffffff))
7470 break;
7471 msleep(1);
7472 } while (cnt-- > 0);
7473
7474 if (cnt <= 0) {
7475 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7476 " are still"
7477 " outstanding read requests after 1s!\n");
7478 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7479 " port_is_idle_0=0x%08x,"
7480 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7481 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7482 pgl_exp_rom2);
7483 return -EAGAIN;
7484 }
7485
7486 barrier();
7487
7488 /* Close gates #2, #3 and #4 */
7489 bnx2x_set_234_gates(bp, true);
7490
7491 /* TBD: Indicate that "process kill" is in progress to MCP */
7492
7493 /* Clear "unprepared" bit */
7494 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7495 barrier();
7496
7497 /* Make sure all is written to the chip before the reset */
7498 mmiowb();
7499
7500 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7501 * PSWHST, GRC and PSWRD Tetris buffer.
7502 */
7503 msleep(1);
7504
7505 /* Prepare to chip reset: */
7506 /* MCP */
7507 bnx2x_reset_mcp_prep(bp, &val);
7508
7509 /* PXP */
7510 bnx2x_pxp_prep(bp);
7511 barrier();
7512
7513 /* reset the chip */
7514 bnx2x_process_kill_chip_reset(bp);
7515 barrier();
7516
7517 /* Recover after reset: */
7518 /* MCP */
7519 if (bnx2x_reset_mcp_comp(bp, val))
7520 return -EAGAIN;
7521
7522 /* PXP */
7523 bnx2x_pxp_prep(bp);
7524
7525 /* Open the gates #2, #3 and #4 */
7526 bnx2x_set_234_gates(bp, false);
7527
7528 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7529 * reset state, re-enable attentions. */
7530
7531 return 0;
7532}
7533
7534static int bnx2x_leader_reset(struct bnx2x *bp)
7535{
7536 int rc = 0;
7537 /* Try to recover after the failure */
7538 if (bnx2x_process_kill(bp)) {
7539 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7540 bp->dev->name);
7541 rc = -EAGAIN;
7542 goto exit_leader_reset;
7543 }
7544
7545 /* Clear "reset is in progress" bit and update the driver state */
7546 bnx2x_set_reset_done(bp);
7547 bp->recovery_state = BNX2X_RECOVERY_DONE;
7548
7549exit_leader_reset:
7550 bp->is_leader = 0;
7551 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7552 smp_wmb();
7553 return rc;
7554}
7555
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007556/* Assumption: runs under rtnl lock. This together with the fact
7557 * that it's called only from bnx2x_reset_task() ensure that it
7558 * will never be called when netif_running(bp->dev) is false.
7559 */
7560static void bnx2x_parity_recover(struct bnx2x *bp)
7561{
7562 DP(NETIF_MSG_HW, "Handling parity\n");
7563 while (1) {
7564 switch (bp->recovery_state) {
7565 case BNX2X_RECOVERY_INIT:
7566 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7567 /* Try to get a LEADER_LOCK HW lock */
7568 if (bnx2x_trylock_hw_lock(bp,
7569 HW_LOCK_RESOURCE_RESERVED_08))
7570 bp->is_leader = 1;
7571
7572 /* Stop the driver */
7573 /* If interface has been removed - break */
7574 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7575 return;
7576
7577 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7578 /* Ensure "is_leader" and "recovery_state"
7579 * update values are seen on other CPUs
7580 */
7581 smp_wmb();
7582 break;
7583
7584 case BNX2X_RECOVERY_WAIT:
7585 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7586 if (bp->is_leader) {
7587 u32 load_counter = bnx2x_get_load_cnt(bp);
7588 if (load_counter) {
7589 /* Wait until all other functions get
7590 * down.
7591 */
7592 schedule_delayed_work(&bp->reset_task,
7593 HZ/10);
7594 return;
7595 } else {
7596 /* If all other functions got down -
7597 * try to bring the chip back to
7598 * normal. In any case it's an exit
7599 * point for a leader.
7600 */
7601 if (bnx2x_leader_reset(bp) ||
7602 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7603 printk(KERN_ERR"%s: Recovery "
7604 "has failed. Power cycle is "
7605 "needed.\n", bp->dev->name);
7606 /* Disconnect this device */
7607 netif_device_detach(bp->dev);
7608 /* Block ifup for all function
7609 * of this ASIC until
7610 * "process kill" or power
7611 * cycle.
7612 */
7613 bnx2x_set_reset_in_progress(bp);
7614 /* Shut down the power */
7615 bnx2x_set_power_state(bp,
7616 PCI_D3hot);
7617 return;
7618 }
7619
7620 return;
7621 }
7622 } else { /* non-leader */
7623 if (!bnx2x_reset_is_done(bp)) {
7624 /* Try to get a LEADER_LOCK HW lock as
7625 * long as a former leader may have
7626 * been unloaded by the user or
7627 * released a leadership by another
7628 * reason.
7629 */
7630 if (bnx2x_trylock_hw_lock(bp,
7631 HW_LOCK_RESOURCE_RESERVED_08)) {
7632 /* I'm a leader now! Restart a
7633 * switch case.
7634 */
7635 bp->is_leader = 1;
7636 break;
7637 }
7638
7639 schedule_delayed_work(&bp->reset_task,
7640 HZ/10);
7641 return;
7642
7643 } else { /* A leader has completed
7644 * the "process kill". It's an exit
7645 * point for a non-leader.
7646 */
7647 bnx2x_nic_load(bp, LOAD_NORMAL);
7648 bp->recovery_state =
7649 BNX2X_RECOVERY_DONE;
7650 smp_wmb();
7651 return;
7652 }
7653 }
7654 default:
7655 return;
7656 }
7657 }
7658}
7659
7660/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7661 * scheduled on a general queue in order to prevent a dead lock.
7662 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007663static void bnx2x_reset_task(struct work_struct *work)
7664{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007665 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007666
7667#ifdef BNX2X_STOP_ON_ERROR
7668 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7669 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007670 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007671 return;
7672#endif
7673
7674 rtnl_lock();
7675
7676 if (!netif_running(bp->dev))
7677 goto reset_task_exit;
7678
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007679 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7680 bnx2x_parity_recover(bp);
7681 else {
7682 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7683 bnx2x_nic_load(bp, LOAD_NORMAL);
7684 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007685
7686reset_task_exit:
7687 rtnl_unlock();
7688}
7689
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007690/* end of nic load/unload */
7691
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007692/*
7693 * Init service functions
7694 */
7695
stephen hemminger8d962862010-10-21 07:50:56 +00007696static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007697{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007698 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7699 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7700 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007701}
7702
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007703static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007704{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007705 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007706
7707 /* Flush all outstanding writes */
7708 mmiowb();
7709
7710 /* Pretend to be function 0 */
7711 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007712 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007713
7714 /* From now we are in the "like-E1" mode */
7715 bnx2x_int_disable(bp);
7716
7717 /* Flush all outstanding writes */
7718 mmiowb();
7719
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007720 /* Restore the original function */
7721 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7722 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007723}
7724
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007725static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007726{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007727 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007728 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007729 else
7730 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007731}
7732
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007733static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007734{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007735 u32 val;
7736
7737 /* Check if there is any driver already loaded */
7738 val = REG_RD(bp, MISC_REG_UNPREPARED);
7739 if (val == 0x1) {
7740 /* Check if it is the UNDI driver
7741 * UNDI driver initializes CID offset for normal bell to 0x7
7742 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007743 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007744 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7745 if (val == 0x7) {
7746 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007747 /* save our pf_num */
7748 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007749 u32 swap_en;
7750 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007751
Eilon Greensteinb4661732009-01-14 06:43:56 +00007752 /* clear the UNDI indication */
7753 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7754
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007755 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7756
7757 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007758 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007759 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007760 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007761 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007762 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007763
7764 /* if UNDI is loaded on the other port */
7765 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7766
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007767 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007768 bnx2x_fw_command(bp,
7769 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007770
7771 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007772 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007773 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007774 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007775 DRV_MSG_SEQ_NUMBER_MASK);
7776 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007777
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007778 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007779 }
7780
Eilon Greensteinb4661732009-01-14 06:43:56 +00007781 /* now it's safe to release the lock */
7782 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7783
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007784 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007785
7786 /* close input traffic and wait for it */
7787 /* Do not rcv packets to BRB */
7788 REG_WR(bp,
7789 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7790 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7791 /* Do not direct rcv packets that are not for MCP to
7792 * the BRB */
7793 REG_WR(bp,
7794 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7795 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7796 /* clear AEU */
7797 REG_WR(bp,
7798 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7799 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7800 msleep(10);
7801
7802 /* save NIG port swap info */
7803 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7804 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007805 /* reset device */
7806 REG_WR(bp,
7807 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007808 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007809 REG_WR(bp,
7810 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7811 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007812 /* take the NIG out of reset and restore swap values */
7813 REG_WR(bp,
7814 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7815 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7816 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7817 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7818
7819 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007820 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007821
7822 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007823 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007824 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007825 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007826 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007827 } else
7828 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007829 }
7830}
7831
7832static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7833{
7834 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007835 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007836
7837 /* Get the chip revision id and number. */
7838 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7839 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7840 id = ((val & 0xffff) << 16);
7841 val = REG_RD(bp, MISC_REG_CHIP_REV);
7842 id |= ((val & 0xf) << 12);
7843 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7844 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007845 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007846 id |= (val & 0xf);
7847 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007848
7849 /* Set doorbell size */
7850 bp->db_size = (1 << BNX2X_DB_SHIFT);
7851
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007852 if (CHIP_IS_E2(bp)) {
7853 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7854 if ((val & 1) == 0)
7855 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7856 else
7857 val = (val >> 1) & 1;
7858 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7859 "2_PORT_MODE");
7860 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7861 CHIP_2_PORT_MODE;
7862
7863 if (CHIP_MODE_IS_4_PORT(bp))
7864 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7865 else
7866 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7867 } else {
7868 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7869 bp->pfid = bp->pf_num; /* 0..7 */
7870 }
7871
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007872 /*
7873 * set base FW non-default (fast path) status block id, this value is
7874 * used to initialize the fw_sb_id saved on the fp/queue structure to
7875 * determine the id used by the FW.
7876 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007877 if (CHIP_IS_E1x(bp))
7878 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7879 else /* E2 */
7880 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7881
7882 bp->link_params.chip_id = bp->common.chip_id;
7883 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007884
Eilon Greenstein1c063282009-02-12 08:36:43 +00007885 val = (REG_RD(bp, 0x2874) & 0x55);
7886 if ((bp->common.chip_id & 0x1) ||
7887 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7888 bp->flags |= ONE_PORT_FLAG;
7889 BNX2X_DEV_INFO("single port device\n");
7890 }
7891
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007892 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7893 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7894 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7895 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7896 bp->common.flash_size, bp->common.flash_size);
7897
7898 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007899 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7900 MISC_REG_GENERIC_CR_1 :
7901 MISC_REG_GENERIC_CR_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007902 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007903 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007904 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7905 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007906
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007907 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007908 BNX2X_DEV_INFO("MCP not active\n");
7909 bp->flags |= NO_MCP_FLAG;
7910 return;
7911 }
7912
7913 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7914 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7915 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007916 BNX2X_ERR("BAD MCP validity signature\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007917
7918 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007919 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007920
7921 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7922 SHARED_HW_CFG_LED_MODE_MASK) >>
7923 SHARED_HW_CFG_LED_MODE_SHIFT);
7924
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007925 bp->link_params.feature_config_flags = 0;
7926 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7927 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7928 bp->link_params.feature_config_flags |=
7929 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7930 else
7931 bp->link_params.feature_config_flags &=
7932 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7933
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007934 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7935 bp->common.bc_ver = val;
7936 BNX2X_DEV_INFO("bc_ver %X\n", val);
7937 if (val < BNX2X_BC_VER) {
7938 /* for now only warn
7939 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007940 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7941 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007942 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007943 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007944 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007945 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7946
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007947 bp->link_params.feature_config_flags |=
7948 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7949 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007950
7951 if (BP_E1HVN(bp) == 0) {
7952 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7953 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7954 } else {
7955 /* no WOL capability for E1HVN != 0 */
7956 bp->flags |= NO_WOL_FLAG;
7957 }
7958 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007959 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007960
7961 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7962 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7963 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7964 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7965
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007966 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7967 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007968}
7969
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007970#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7971#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7972
7973static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7974{
7975 int pfid = BP_FUNC(bp);
7976 int vn = BP_E1HVN(bp);
7977 int igu_sb_id;
7978 u32 val;
7979 u8 fid;
7980
7981 bp->igu_base_sb = 0xff;
7982 bp->igu_sb_cnt = 0;
7983 if (CHIP_INT_MODE_IS_BC(bp)) {
7984 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007985 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007986
7987 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7988 FP_SB_MAX_E1x;
7989
7990 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7991 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7992
7993 return;
7994 }
7995
7996 /* IGU in normal mode - read CAM */
7997 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7998 igu_sb_id++) {
7999 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
8000 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
8001 continue;
8002 fid = IGU_FID(val);
8003 if ((fid & IGU_FID_ENCODE_IS_PF)) {
8004 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
8005 continue;
8006 if (IGU_VEC(val) == 0)
8007 /* default status block */
8008 bp->igu_dsb_id = igu_sb_id;
8009 else {
8010 if (bp->igu_base_sb == 0xff)
8011 bp->igu_base_sb = igu_sb_id;
8012 bp->igu_sb_cnt++;
8013 }
8014 }
8015 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008016 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8017 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008018 if (bp->igu_sb_cnt == 0)
8019 BNX2X_ERR("CAM configuration error\n");
8020}
8021
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008022static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
8023 u32 switch_cfg)
8024{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008025 int cfg_size = 0, idx, port = BP_PORT(bp);
8026
8027 /* Aggregation of supported attributes of all external phys */
8028 bp->port.supported[0] = 0;
8029 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008030 switch (bp->link_params.num_phys) {
8031 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008032 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
8033 cfg_size = 1;
8034 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008035 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008036 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
8037 cfg_size = 1;
8038 break;
8039 case 3:
8040 if (bp->link_params.multi_phy_config &
8041 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
8042 bp->port.supported[1] =
8043 bp->link_params.phy[EXT_PHY1].supported;
8044 bp->port.supported[0] =
8045 bp->link_params.phy[EXT_PHY2].supported;
8046 } else {
8047 bp->port.supported[0] =
8048 bp->link_params.phy[EXT_PHY1].supported;
8049 bp->port.supported[1] =
8050 bp->link_params.phy[EXT_PHY2].supported;
8051 }
8052 cfg_size = 2;
8053 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008054 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008055
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008056 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008057 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008058 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008059 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008060 dev_info.port_hw_config[port].external_phy_config),
8061 SHMEM_RD(bp,
8062 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008063 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008064 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008065
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008066 switch (switch_cfg) {
8067 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008068 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8069 port*0x10);
8070 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008071 break;
8072
8073 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008074 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8075 port*0x18);
8076 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008077 break;
8078
8079 default:
8080 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008081 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008082 return;
8083 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008084 /* mask what we support according to speed_cap_mask per configuration */
8085 for (idx = 0; idx < cfg_size; idx++) {
8086 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008087 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008088 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008089
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008090 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008091 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008092 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008093
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008094 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008095 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008096 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008097
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008098 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008099 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008100 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008101
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008102 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008103 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008104 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008105 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008106
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008107 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008108 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008109 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008110
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008111 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008112 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008113 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008114
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008115 }
8116
8117 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8118 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008119}
8120
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008121static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008122{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008123 u32 link_config, idx, cfg_size = 0;
8124 bp->port.advertising[0] = 0;
8125 bp->port.advertising[1] = 0;
8126 switch (bp->link_params.num_phys) {
8127 case 1:
8128 case 2:
8129 cfg_size = 1;
8130 break;
8131 case 3:
8132 cfg_size = 2;
8133 break;
8134 }
8135 for (idx = 0; idx < cfg_size; idx++) {
8136 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8137 link_config = bp->port.link_config[idx];
8138 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008139 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008140 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8141 bp->link_params.req_line_speed[idx] =
8142 SPEED_AUTO_NEG;
8143 bp->port.advertising[idx] |=
8144 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008145 } else {
8146 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008147 bp->link_params.req_line_speed[idx] =
8148 SPEED_10000;
8149 bp->port.advertising[idx] |=
8150 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008151 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008152 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008153 }
8154 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008155
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008156 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008157 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8158 bp->link_params.req_line_speed[idx] =
8159 SPEED_10;
8160 bp->port.advertising[idx] |=
8161 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008162 ADVERTISED_TP);
8163 } else {
8164 BNX2X_ERROR("NVRAM config error. "
8165 "Invalid link_config 0x%x"
8166 " speed_cap_mask 0x%x\n",
8167 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008168 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008169 return;
8170 }
8171 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008172
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008173 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008174 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8175 bp->link_params.req_line_speed[idx] =
8176 SPEED_10;
8177 bp->link_params.req_duplex[idx] =
8178 DUPLEX_HALF;
8179 bp->port.advertising[idx] |=
8180 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008181 ADVERTISED_TP);
8182 } else {
8183 BNX2X_ERROR("NVRAM config error. "
8184 "Invalid link_config 0x%x"
8185 " speed_cap_mask 0x%x\n",
8186 link_config,
8187 bp->link_params.speed_cap_mask[idx]);
8188 return;
8189 }
8190 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008191
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008192 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8193 if (bp->port.supported[idx] &
8194 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008195 bp->link_params.req_line_speed[idx] =
8196 SPEED_100;
8197 bp->port.advertising[idx] |=
8198 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008199 ADVERTISED_TP);
8200 } else {
8201 BNX2X_ERROR("NVRAM config error. "
8202 "Invalid link_config 0x%x"
8203 " speed_cap_mask 0x%x\n",
8204 link_config,
8205 bp->link_params.speed_cap_mask[idx]);
8206 return;
8207 }
8208 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008209
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008210 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8211 if (bp->port.supported[idx] &
8212 SUPPORTED_100baseT_Half) {
8213 bp->link_params.req_line_speed[idx] =
8214 SPEED_100;
8215 bp->link_params.req_duplex[idx] =
8216 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008217 bp->port.advertising[idx] |=
8218 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008219 ADVERTISED_TP);
8220 } else {
8221 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008222 "Invalid link_config 0x%x"
8223 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008224 link_config,
8225 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008226 return;
8227 }
8228 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008229
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008230 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008231 if (bp->port.supported[idx] &
8232 SUPPORTED_1000baseT_Full) {
8233 bp->link_params.req_line_speed[idx] =
8234 SPEED_1000;
8235 bp->port.advertising[idx] |=
8236 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008237 ADVERTISED_TP);
8238 } else {
8239 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008240 "Invalid link_config 0x%x"
8241 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008242 link_config,
8243 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008244 return;
8245 }
8246 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008247
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008248 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008249 if (bp->port.supported[idx] &
8250 SUPPORTED_2500baseX_Full) {
8251 bp->link_params.req_line_speed[idx] =
8252 SPEED_2500;
8253 bp->port.advertising[idx] |=
8254 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008255 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008256 } else {
8257 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008258 "Invalid link_config 0x%x"
8259 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008260 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008261 bp->link_params.speed_cap_mask[idx]);
8262 return;
8263 }
8264 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008265
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008266 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8267 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8268 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008269 if (bp->port.supported[idx] &
8270 SUPPORTED_10000baseT_Full) {
8271 bp->link_params.req_line_speed[idx] =
8272 SPEED_10000;
8273 bp->port.advertising[idx] |=
8274 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008275 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008276 } else {
8277 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008278 "Invalid link_config 0x%x"
8279 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008280 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008281 bp->link_params.speed_cap_mask[idx]);
8282 return;
8283 }
8284 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008285
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008286 default:
8287 BNX2X_ERROR("NVRAM config error. "
8288 "BAD link speed link_config 0x%x\n",
8289 link_config);
8290 bp->link_params.req_line_speed[idx] =
8291 SPEED_AUTO_NEG;
8292 bp->port.advertising[idx] =
8293 bp->port.supported[idx];
8294 break;
8295 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008296
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008297 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008298 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008299 if ((bp->link_params.req_flow_ctrl[idx] ==
8300 BNX2X_FLOW_CTRL_AUTO) &&
8301 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8302 bp->link_params.req_flow_ctrl[idx] =
8303 BNX2X_FLOW_CTRL_NONE;
8304 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008305
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008306 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8307 " 0x%x advertising 0x%x\n",
8308 bp->link_params.req_line_speed[idx],
8309 bp->link_params.req_duplex[idx],
8310 bp->link_params.req_flow_ctrl[idx],
8311 bp->port.advertising[idx]);
8312 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008313}
8314
Michael Chane665bfd2009-10-10 13:46:54 +00008315static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8316{
8317 mac_hi = cpu_to_be16(mac_hi);
8318 mac_lo = cpu_to_be32(mac_lo);
8319 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8320 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8321}
8322
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008323static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008324{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008325 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008326 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008327 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008328
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008329 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008330 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008331
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008332 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008333 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008334
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008335 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008336 SHMEM_RD(bp,
8337 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008338 bp->link_params.speed_cap_mask[1] =
8339 SHMEM_RD(bp,
8340 dev_info.port_hw_config[port].speed_capability_mask2);
8341 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008342 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8343
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008344 bp->port.link_config[1] =
8345 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008346
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008347 bp->link_params.multi_phy_config =
8348 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008349 /* If the device is capable of WoL, set the default state according
8350 * to the HW
8351 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008352 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008353 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8354 (config & PORT_FEATURE_WOL_ENABLED));
8355
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008356 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008357 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008358 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008359 bp->link_params.speed_cap_mask[0],
8360 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008361
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008362 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008363 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008364 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008365 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008366
8367 bnx2x_link_settings_requested(bp);
8368
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008369 /*
8370 * If connected directly, work with the internal PHY, otherwise, work
8371 * with the external PHY
8372 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008373 ext_phy_config =
8374 SHMEM_RD(bp,
8375 dev_info.port_hw_config[port].external_phy_config);
8376 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008377 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008378 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008379
8380 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8381 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8382 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008383 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008384
8385 /*
8386 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8387 * In MF mode, it is set to cover self test cases
8388 */
8389 if (IS_MF(bp))
8390 bp->port.need_hw_lock = 1;
8391 else
8392 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8393 bp->common.shmem_base,
8394 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008395}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008396
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008397static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8398{
8399 u32 val, val2;
8400 int func = BP_ABS_FUNC(bp);
8401 int port = BP_PORT(bp);
8402
8403 if (BP_NOMCP(bp)) {
8404 BNX2X_ERROR("warning: random MAC workaround active\n");
8405 random_ether_addr(bp->dev->dev_addr);
8406 } else if (IS_MF(bp)) {
8407 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8408 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8409 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8410 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8411 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8412
8413#ifdef BCM_CNIC
8414 /* iSCSI NPAR MAC */
8415 if (IS_MF_SI(bp)) {
8416 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8417 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8418 val2 = MF_CFG_RD(bp, func_ext_config[func].
8419 iscsi_mac_addr_upper);
8420 val = MF_CFG_RD(bp, func_ext_config[func].
8421 iscsi_mac_addr_lower);
8422 bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
8423 }
8424 }
8425#endif
8426 } else {
8427 /* in SF read MACs from port configuration */
8428 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8429 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8430 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8431
8432#ifdef BCM_CNIC
8433 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8434 iscsi_mac_upper);
8435 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8436 iscsi_mac_lower);
8437 bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
8438#endif
8439 }
8440
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008441 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8442 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008443
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008444#ifdef BCM_CNIC
8445 /* Inform the upper layers about FCoE MAC */
8446 if (!CHIP_IS_E1x(bp)) {
8447 if (IS_MF_SD(bp))
8448 memcpy(bp->fip_mac, bp->dev->dev_addr,
8449 sizeof(bp->fip_mac));
8450 else
8451 memcpy(bp->fip_mac, bp->iscsi_mac,
8452 sizeof(bp->fip_mac));
8453 }
8454#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008455}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008456
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008457static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8458{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008459 int /*abs*/func = BP_ABS_FUNC(bp);
8460 int vn, port;
8461 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008462 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008463
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008464 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008465
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008466 if (CHIP_IS_E1x(bp)) {
8467 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008468
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008469 bp->igu_dsb_id = DEF_SB_IGU_ID;
8470 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008471 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8472 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008473 } else {
8474 bp->common.int_block = INT_BLOCK_IGU;
8475 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8476 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8477 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8478 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8479 } else
8480 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8481
8482 bnx2x_get_igu_cam_info(bp);
8483
8484 }
8485 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8486 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8487
8488 /*
8489 * Initialize MF configuration
8490 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008491
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008492 bp->mf_ov = 0;
8493 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008494 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008495 port = BP_PORT(bp);
8496
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008497 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008498 DP(NETIF_MSG_PROBE,
8499 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8500 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8501 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008502 if (SHMEM2_HAS(bp, mf_cfg_addr))
8503 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8504 else
8505 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008506 offsetof(struct shmem_region, func_mb) +
8507 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008508 /*
8509 * get mf configuration:
8510 * 1. existance of MF configuration
8511 * 2. MAC address must be legal (check only upper bytes)
8512 * for Switch-Independent mode;
8513 * OVLAN must be legal for Switch-Dependent mode
8514 * 3. SF_MODE configures specific MF mode
8515 */
8516 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8517 /* get mf configuration */
8518 val = SHMEM_RD(bp,
8519 dev_info.shared_feature_config.config);
8520 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008521
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008522 switch (val) {
8523 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8524 val = MF_CFG_RD(bp, func_mf_config[func].
8525 mac_upper);
8526 /* check for legal mac (upper bytes)*/
8527 if (val != 0xffff) {
8528 bp->mf_mode = MULTI_FUNCTION_SI;
8529 bp->mf_config[vn] = MF_CFG_RD(bp,
8530 func_mf_config[func].config);
8531 } else
8532 DP(NETIF_MSG_PROBE, "illegal MAC "
8533 "address for SI\n");
8534 break;
8535 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8536 /* get OV configuration */
8537 val = MF_CFG_RD(bp,
8538 func_mf_config[FUNC_0].e1hov_tag);
8539 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8540
8541 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8542 bp->mf_mode = MULTI_FUNCTION_SD;
8543 bp->mf_config[vn] = MF_CFG_RD(bp,
8544 func_mf_config[func].config);
8545 } else
8546 DP(NETIF_MSG_PROBE, "illegal OV for "
8547 "SD\n");
8548 break;
8549 default:
8550 /* Unknown configuration: reset mf_config */
8551 bp->mf_config[vn] = 0;
8552 DP(NETIF_MSG_PROBE, "Unkown MF mode 0x%x\n",
8553 val);
8554 }
8555 }
8556
Eilon Greenstein2691d512009-08-12 08:22:08 +00008557 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008558 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008559
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008560 switch (bp->mf_mode) {
8561 case MULTI_FUNCTION_SD:
8562 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8563 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008564 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008565 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008566 BNX2X_DEV_INFO("MF OV for func %d is %d"
8567 " (0x%04x)\n", func,
8568 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008569 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008570 BNX2X_ERR("No valid MF OV for func %d,"
8571 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008572 rc = -EPERM;
8573 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008574 break;
8575 case MULTI_FUNCTION_SI:
8576 BNX2X_DEV_INFO("func %d is in MF "
8577 "switch-independent mode\n", func);
8578 break;
8579 default:
8580 if (vn) {
8581 BNX2X_ERR("VN %d in single function mode,"
8582 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008583 rc = -EPERM;
8584 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008585 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008586 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008587
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008588 }
8589
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008590 /* adjust igu_sb_cnt to MF for E1x */
8591 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008592 bp->igu_sb_cnt /= E1HVN_MAX;
8593
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008594 /*
8595 * adjust E2 sb count: to be removed when FW will support
8596 * more then 16 L2 clients
8597 */
8598#define MAX_L2_CLIENTS 16
8599 if (CHIP_IS_E2(bp))
8600 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8601 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8602
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008603 if (!BP_NOMCP(bp)) {
8604 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008605
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008606 bp->fw_seq =
8607 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8608 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008609 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8610 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008611
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008612 /* Get MAC addresses */
8613 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008614
8615 return rc;
8616}
8617
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008618static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8619{
8620 int cnt, i, block_end, rodi;
8621 char vpd_data[BNX2X_VPD_LEN+1];
8622 char str_id_reg[VENDOR_ID_LEN+1];
8623 char str_id_cap[VENDOR_ID_LEN+1];
8624 u8 len;
8625
8626 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8627 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8628
8629 if (cnt < BNX2X_VPD_LEN)
8630 goto out_not_found;
8631
8632 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8633 PCI_VPD_LRDT_RO_DATA);
8634 if (i < 0)
8635 goto out_not_found;
8636
8637
8638 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8639 pci_vpd_lrdt_size(&vpd_data[i]);
8640
8641 i += PCI_VPD_LRDT_TAG_SIZE;
8642
8643 if (block_end > BNX2X_VPD_LEN)
8644 goto out_not_found;
8645
8646 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8647 PCI_VPD_RO_KEYWORD_MFR_ID);
8648 if (rodi < 0)
8649 goto out_not_found;
8650
8651 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8652
8653 if (len != VENDOR_ID_LEN)
8654 goto out_not_found;
8655
8656 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8657
8658 /* vendor specific info */
8659 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8660 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8661 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8662 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8663
8664 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8665 PCI_VPD_RO_KEYWORD_VENDOR0);
8666 if (rodi >= 0) {
8667 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8668
8669 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8670
8671 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8672 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8673 bp->fw_ver[len] = ' ';
8674 }
8675 }
8676 return;
8677 }
8678out_not_found:
8679 return;
8680}
8681
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008682static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8683{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008684 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008685 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008686 int rc;
8687
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008688 /* Disable interrupt handling until HW is initialized */
8689 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008690 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008691
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008692 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008693 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008694 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008695#ifdef BCM_CNIC
8696 mutex_init(&bp->cnic_mutex);
8697#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008698
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008699 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008700 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008701
8702 rc = bnx2x_get_hwinfo(bp);
8703
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008704 if (!rc)
8705 rc = bnx2x_alloc_mem_bp(bp);
8706
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008707 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008708
8709 func = BP_FUNC(bp);
8710
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008711 /* need to reset chip if undi was active */
8712 if (!BP_NOMCP(bp))
8713 bnx2x_undi_unload(bp);
8714
8715 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008716 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008717
8718 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008719 dev_err(&bp->pdev->dev, "MCP disabled, "
8720 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008721
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008722 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008723 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008724
Dmitry Kravkov4fd89b72010-04-01 19:45:34 -07008725 bp->dev->features |= NETIF_F_GRO;
8726
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008727 /* Set TPA flags */
8728 if (disable_tpa) {
8729 bp->flags &= ~TPA_ENABLE_FLAG;
8730 bp->dev->features &= ~NETIF_F_LRO;
8731 } else {
8732 bp->flags |= TPA_ENABLE_FLAG;
8733 bp->dev->features |= NETIF_F_LRO;
8734 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008735 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008736
Eilon Greensteina18f5122009-08-12 08:23:26 +00008737 if (CHIP_IS_E1(bp))
8738 bp->dropless_fc = 0;
8739 else
8740 bp->dropless_fc = dropless_fc;
8741
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008742 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008743
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008744 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008745
8746 bp->rx_csum = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008747
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008748 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008749 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8750 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008751
Eilon Greenstein87942b42009-02-12 08:36:49 +00008752 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8753 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008754
8755 init_timer(&bp->timer);
8756 bp->timer.expires = jiffies + bp->current_interval;
8757 bp->timer.data = (unsigned long) bp;
8758 bp->timer.function = bnx2x_timer;
8759
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008760 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008761 bnx2x_dcbx_init_params(bp);
8762
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008763 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008764}
8765
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008766
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008767/****************************************************************************
8768* General service functions
8769****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008770
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008771/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008772static int bnx2x_open(struct net_device *dev)
8773{
8774 struct bnx2x *bp = netdev_priv(dev);
8775
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008776 netif_carrier_off(dev);
8777
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008778 bnx2x_set_power_state(bp, PCI_D0);
8779
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008780 if (!bnx2x_reset_is_done(bp)) {
8781 do {
8782 /* Reset MCP mail box sequence if there is on going
8783 * recovery
8784 */
8785 bp->fw_seq = 0;
8786
8787 /* If it's the first function to load and reset done
8788 * is still not cleared it may mean that. We don't
8789 * check the attention state here because it may have
8790 * already been cleared by a "common" reset but we
8791 * shell proceed with "process kill" anyway.
8792 */
8793 if ((bnx2x_get_load_cnt(bp) == 0) &&
8794 bnx2x_trylock_hw_lock(bp,
8795 HW_LOCK_RESOURCE_RESERVED_08) &&
8796 (!bnx2x_leader_reset(bp))) {
8797 DP(NETIF_MSG_HW, "Recovered in open\n");
8798 break;
8799 }
8800
8801 bnx2x_set_power_state(bp, PCI_D3hot);
8802
8803 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8804 " completed yet. Try again later. If u still see this"
8805 " message after a few retries then power cycle is"
8806 " required.\n", bp->dev->name);
8807
8808 return -EAGAIN;
8809 } while (0);
8810 }
8811
8812 bp->recovery_state = BNX2X_RECOVERY_DONE;
8813
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008814 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008815}
8816
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008817/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008818static int bnx2x_close(struct net_device *dev)
8819{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008820 struct bnx2x *bp = netdev_priv(dev);
8821
8822 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008823 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008824 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008825
8826 return 0;
8827}
8828
Eilon Greensteinf5372252009-02-12 08:38:30 +00008829/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008830void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008831{
8832 struct bnx2x *bp = netdev_priv(dev);
8833 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
8834 int port = BP_PORT(bp);
8835
8836 if (bp->state != BNX2X_STATE_OPEN) {
8837 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8838 return;
8839 }
8840
8841 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8842
8843 if (dev->flags & IFF_PROMISC)
8844 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008845 else if ((dev->flags & IFF_ALLMULTI) ||
Jiri Pirko4cd24ea2010-02-08 04:30:35 +00008846 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
8847 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008848 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008849 else { /* some multicasts */
8850 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008851 /*
8852 * set mc list, do not wait as wait implies sleep
8853 * and set_rx_mode can be invoked from non-sleepable
8854 * context
8855 */
8856 u8 offset = (CHIP_REV_IS_SLOW(bp) ?
8857 BNX2X_MAX_EMUL_MULTI*(1 + port) :
8858 BNX2X_MAX_MULTICAST*(1 + port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008859
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008860 bnx2x_set_e1_mc_list(bp, offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008861 } else { /* E1H */
8862 /* Accept one or more multicasts */
Jiri Pirko22bedad32010-04-01 21:22:57 +00008863 struct netdev_hw_addr *ha;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008864 u32 mc_filter[MC_HASH_SIZE];
8865 u32 crc, bit, regidx;
8866 int i;
8867
8868 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
8869
Jiri Pirko22bedad32010-04-01 21:22:57 +00008870 netdev_for_each_mc_addr(ha, dev) {
Johannes Berg7c510e42008-10-27 17:47:26 -07008871 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008872 bnx2x_mc_addr(ha));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008873
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008874 crc = crc32c_le(0, bnx2x_mc_addr(ha),
8875 ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008876 bit = (crc >> 24) & 0xff;
8877 regidx = bit >> 5;
8878 bit &= 0x1f;
8879 mc_filter[regidx] |= (1 << bit);
8880 }
8881
8882 for (i = 0; i < MC_HASH_SIZE; i++)
8883 REG_WR(bp, MC_HASH_OFFSET(bp, i),
8884 mc_filter[i]);
8885 }
8886 }
8887
8888 bp->rx_mode = rx_mode;
8889 bnx2x_set_storm_rx_mode(bp);
8890}
8891
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008892/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008893static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8894 int devad, u16 addr)
8895{
8896 struct bnx2x *bp = netdev_priv(netdev);
8897 u16 value;
8898 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008899
8900 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
8901 prtad, devad, addr);
8902
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008903 /* The HW expects different devad if CL22 is used */
8904 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8905
8906 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008907 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008908 bnx2x_release_phy_lock(bp);
8909 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
8910
8911 if (!rc)
8912 rc = value;
8913 return rc;
8914}
8915
8916/* called with rtnl_lock */
8917static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
8918 u16 addr, u16 value)
8919{
8920 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008921 int rc;
8922
8923 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
8924 " value 0x%x\n", prtad, devad, addr, value);
8925
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008926 /* The HW expects different devad if CL22 is used */
8927 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8928
8929 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008930 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008931 bnx2x_release_phy_lock(bp);
8932 return rc;
8933}
8934
8935/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008936static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
8937{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008938 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008939 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008940
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008941 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
8942 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008943
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008944 if (!netif_running(dev))
8945 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008946
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008947 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008948}
8949
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008950#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008951static void poll_bnx2x(struct net_device *dev)
8952{
8953 struct bnx2x *bp = netdev_priv(dev);
8954
8955 disable_irq(bp->pdev->irq);
8956 bnx2x_interrupt(bp->pdev->irq, dev);
8957 enable_irq(bp->pdev->irq);
8958}
8959#endif
8960
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08008961static const struct net_device_ops bnx2x_netdev_ops = {
8962 .ndo_open = bnx2x_open,
8963 .ndo_stop = bnx2x_close,
8964 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00008965 .ndo_select_queue = bnx2x_select_queue,
Eilon Greenstein356e2382009-02-12 08:38:32 +00008966 .ndo_set_multicast_list = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08008967 .ndo_set_mac_address = bnx2x_change_mac_addr,
8968 .ndo_validate_addr = eth_validate_addr,
8969 .ndo_do_ioctl = bnx2x_ioctl,
8970 .ndo_change_mtu = bnx2x_change_mtu,
8971 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00008972#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08008973 .ndo_poll_controller = poll_bnx2x,
8974#endif
8975};
8976
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008977static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
8978 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008979{
8980 struct bnx2x *bp;
8981 int rc;
8982
8983 SET_NETDEV_DEV(dev, &pdev->dev);
8984 bp = netdev_priv(dev);
8985
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008986 bp->dev = dev;
8987 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008988 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008989 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008990
8991 rc = pci_enable_device(pdev);
8992 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008993 dev_err(&bp->pdev->dev,
8994 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008995 goto err_out;
8996 }
8997
8998 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008999 dev_err(&bp->pdev->dev,
9000 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009001 rc = -ENODEV;
9002 goto err_out_disable;
9003 }
9004
9005 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009006 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9007 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009008 rc = -ENODEV;
9009 goto err_out_disable;
9010 }
9011
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009012 if (atomic_read(&pdev->enable_cnt) == 1) {
9013 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9014 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009015 dev_err(&bp->pdev->dev,
9016 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009017 goto err_out_disable;
9018 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009019
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009020 pci_set_master(pdev);
9021 pci_save_state(pdev);
9022 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009023
9024 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9025 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009026 dev_err(&bp->pdev->dev,
9027 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009028 rc = -EIO;
9029 goto err_out_release;
9030 }
9031
9032 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9033 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009034 dev_err(&bp->pdev->dev,
9035 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009036 rc = -EIO;
9037 goto err_out_release;
9038 }
9039
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009040 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009041 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009042 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009043 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9044 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009045 rc = -EIO;
9046 goto err_out_release;
9047 }
9048
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009049 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009050 dev_err(&bp->pdev->dev,
9051 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009052 rc = -EIO;
9053 goto err_out_release;
9054 }
9055
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009056 dev->mem_start = pci_resource_start(pdev, 0);
9057 dev->base_addr = dev->mem_start;
9058 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009059
9060 dev->irq = pdev->irq;
9061
Arjan van de Ven275f1652008-10-20 21:42:39 -07009062 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009063 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009064 dev_err(&bp->pdev->dev,
9065 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009066 rc = -ENOMEM;
9067 goto err_out_release;
9068 }
9069
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009070 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009071 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009072 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009073 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009074 dev_err(&bp->pdev->dev,
9075 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009076 rc = -ENOMEM;
9077 goto err_out_unmap;
9078 }
9079
9080 bnx2x_set_power_state(bp, PCI_D0);
9081
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009082 /* clean indirect addresses */
9083 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9084 PCICFG_VENDOR_ID_OFFSET);
9085 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9086 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9087 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9088 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009089
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009090 /* Reset the load counter */
9091 bnx2x_clear_load_cnt(bp);
9092
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009093 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009094
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009095 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009096 bnx2x_set_ethtool_ops(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009097 dev->features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009098 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009099 if (bp->flags & USING_DAC_FLAG)
9100 dev->features |= NETIF_F_HIGHDMA;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009101 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9102 dev->features |= NETIF_F_TSO6;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009103 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009104
9105 dev->vlan_features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009106 dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009107 if (bp->flags & USING_DAC_FLAG)
9108 dev->vlan_features |= NETIF_F_HIGHDMA;
9109 dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9110 dev->vlan_features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009111
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009112#ifdef BCM_DCB
9113 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9114#endif
9115
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009116 /* get_port_hwinfo() will set prtad and mmds properly */
9117 bp->mdio.prtad = MDIO_PRTAD_NONE;
9118 bp->mdio.mmds = 0;
9119 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9120 bp->mdio.dev = dev;
9121 bp->mdio.mdio_read = bnx2x_mdio_read;
9122 bp->mdio.mdio_write = bnx2x_mdio_write;
9123
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009124 return 0;
9125
9126err_out_unmap:
9127 if (bp->regview) {
9128 iounmap(bp->regview);
9129 bp->regview = NULL;
9130 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009131 if (bp->doorbells) {
9132 iounmap(bp->doorbells);
9133 bp->doorbells = NULL;
9134 }
9135
9136err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009137 if (atomic_read(&pdev->enable_cnt) == 1)
9138 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009139
9140err_out_disable:
9141 pci_disable_device(pdev);
9142 pci_set_drvdata(pdev, NULL);
9143
9144err_out:
9145 return rc;
9146}
9147
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009148static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9149 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009150{
9151 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9152
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009153 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9154
9155 /* return value of 1=2.5GHz 2=5GHz */
9156 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009157}
9158
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009159static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009160{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009161 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009162 struct bnx2x_fw_file_hdr *fw_hdr;
9163 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009164 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009165 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009166 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009167 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009168
9169 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9170 return -EINVAL;
9171
9172 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9173 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9174
9175 /* Make sure none of the offsets and sizes make us read beyond
9176 * the end of the firmware data */
9177 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9178 offset = be32_to_cpu(sections[i].offset);
9179 len = be32_to_cpu(sections[i].len);
9180 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009181 dev_err(&bp->pdev->dev,
9182 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009183 return -EINVAL;
9184 }
9185 }
9186
9187 /* Likewise for the init_ops offsets */
9188 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9189 ops_offsets = (u16 *)(firmware->data + offset);
9190 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9191
9192 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9193 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009194 dev_err(&bp->pdev->dev,
9195 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009196 return -EINVAL;
9197 }
9198 }
9199
9200 /* Check FW version */
9201 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9202 fw_ver = firmware->data + offset;
9203 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9204 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9205 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9206 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009207 dev_err(&bp->pdev->dev,
9208 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009209 fw_ver[0], fw_ver[1], fw_ver[2],
9210 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9211 BCM_5710_FW_MINOR_VERSION,
9212 BCM_5710_FW_REVISION_VERSION,
9213 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009214 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009215 }
9216
9217 return 0;
9218}
9219
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009220static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009221{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009222 const __be32 *source = (const __be32 *)_source;
9223 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009224 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009225
9226 for (i = 0; i < n/4; i++)
9227 target[i] = be32_to_cpu(source[i]);
9228}
9229
9230/*
9231 Ops array is stored in the following format:
9232 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9233 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009234static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009235{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009236 const __be32 *source = (const __be32 *)_source;
9237 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009238 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009239
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009240 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009241 tmp = be32_to_cpu(source[j]);
9242 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009243 target[i].offset = tmp & 0xffffff;
9244 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009245 }
9246}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009247
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009248/**
9249 * IRO array is stored in the following format:
9250 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9251 */
9252static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9253{
9254 const __be32 *source = (const __be32 *)_source;
9255 struct iro *target = (struct iro *)_target;
9256 u32 i, j, tmp;
9257
9258 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9259 target[i].base = be32_to_cpu(source[j]);
9260 j++;
9261 tmp = be32_to_cpu(source[j]);
9262 target[i].m1 = (tmp >> 16) & 0xffff;
9263 target[i].m2 = tmp & 0xffff;
9264 j++;
9265 tmp = be32_to_cpu(source[j]);
9266 target[i].m3 = (tmp >> 16) & 0xffff;
9267 target[i].size = tmp & 0xffff;
9268 j++;
9269 }
9270}
9271
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009272static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009273{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009274 const __be16 *source = (const __be16 *)_source;
9275 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009276 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009277
9278 for (i = 0; i < n/2; i++)
9279 target[i] = be16_to_cpu(source[i]);
9280}
9281
Joe Perches7995c642010-02-17 15:01:52 +00009282#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9283do { \
9284 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9285 bp->arr = kmalloc(len, GFP_KERNEL); \
9286 if (!bp->arr) { \
9287 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9288 goto lbl; \
9289 } \
9290 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9291 (u8 *)bp->arr, len); \
9292} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009293
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009294int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009295{
Ben Hutchings45229b42009-11-07 11:53:39 +00009296 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009297 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009298 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009299
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009300 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009301 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009302 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009303 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009304 else if (CHIP_IS_E2(bp))
9305 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009306 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009307 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009308 return -EINVAL;
9309 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009310
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009311 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009312
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009313 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009314 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009315 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009316 goto request_firmware_exit;
9317 }
9318
9319 rc = bnx2x_check_firmware(bp);
9320 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009321 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009322 goto request_firmware_exit;
9323 }
9324
9325 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9326
9327 /* Initialize the pointers to the init arrays */
9328 /* Blob */
9329 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9330
9331 /* Opcodes */
9332 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9333
9334 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009335 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9336 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009337
9338 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009339 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9340 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9341 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9342 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9343 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9344 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9345 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9346 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9347 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9348 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9349 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9350 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9351 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9352 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9353 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9354 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009355 /* IRO */
9356 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009357
9358 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009359
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009360iro_alloc_err:
9361 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009362init_offsets_alloc_err:
9363 kfree(bp->init_ops);
9364init_ops_alloc_err:
9365 kfree(bp->init_data);
9366request_firmware_exit:
9367 release_firmware(bp->firmware);
9368
9369 return rc;
9370}
9371
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009372static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9373{
9374 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009376#ifdef BCM_CNIC
9377 cid_count += CNIC_CID_MAX;
9378#endif
9379 return roundup(cid_count, QM_CID_ROUND);
9380}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009381
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009382static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9383 const struct pci_device_id *ent)
9384{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009385 struct net_device *dev = NULL;
9386 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009387 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009388 int rc, cid_count;
9389
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009390 switch (ent->driver_data) {
9391 case BCM57710:
9392 case BCM57711:
9393 case BCM57711E:
9394 cid_count = FP_SB_MAX_E1x;
9395 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009396
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009397 case BCM57712:
9398 case BCM57712E:
9399 cid_count = FP_SB_MAX_E2;
9400 break;
9401
9402 default:
9403 pr_err("Unknown board_type (%ld), aborting\n",
9404 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009405 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009406 }
9407
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009408 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009409
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009410 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009411 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009412 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009413 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009414 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009415 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009416
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009417 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009418 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009419
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009420 pci_set_drvdata(pdev, dev);
9421
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009422 bp->l2_cid_count = cid_count;
9423
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009424 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009425 if (rc < 0) {
9426 free_netdev(dev);
9427 return rc;
9428 }
9429
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009430 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009431 if (rc)
9432 goto init_one_exit;
9433
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009434 /* calc qm_cid_count */
9435 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9436
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009437#ifdef BCM_CNIC
9438 /* disable FCOE L2 queue for E1x*/
9439 if (CHIP_IS_E1x(bp))
9440 bp->flags |= NO_FCOE_FLAG;
9441
9442#endif
9443
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009444 /* Configure interupt mode: try to enable MSI-X/MSI if
9445 * needed, set bp->num_queues appropriately.
9446 */
9447 bnx2x_set_int_mode(bp);
9448
9449 /* Add all NAPI objects */
9450 bnx2x_add_all_napi(bp);
9451
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009452 rc = register_netdev(dev);
9453 if (rc) {
9454 dev_err(&pdev->dev, "Cannot register net device\n");
9455 goto init_one_exit;
9456 }
9457
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009458#ifdef BCM_CNIC
9459 if (!NO_FCOE(bp)) {
9460 /* Add storage MAC address */
9461 rtnl_lock();
9462 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9463 rtnl_unlock();
9464 }
9465#endif
9466
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009467 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009468
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009469 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9470 " IRQ %d, ", board_info[ent->driver_data].name,
9471 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009472 pcie_width,
9473 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9474 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9475 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009476 dev->base_addr, bp->pdev->irq);
9477 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009478
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009479 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009480
9481init_one_exit:
9482 if (bp->regview)
9483 iounmap(bp->regview);
9484
9485 if (bp->doorbells)
9486 iounmap(bp->doorbells);
9487
9488 free_netdev(dev);
9489
9490 if (atomic_read(&pdev->enable_cnt) == 1)
9491 pci_release_regions(pdev);
9492
9493 pci_disable_device(pdev);
9494 pci_set_drvdata(pdev, NULL);
9495
9496 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009497}
9498
9499static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9500{
9501 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009502 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009503
Eliezer Tamir228241e2008-02-28 11:56:57 -08009504 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009505 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009506 return;
9507 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009508 bp = netdev_priv(dev);
9509
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009510#ifdef BCM_CNIC
9511 /* Delete storage MAC address */
9512 if (!NO_FCOE(bp)) {
9513 rtnl_lock();
9514 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9515 rtnl_unlock();
9516 }
9517#endif
9518
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009519 unregister_netdev(dev);
9520
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009521 /* Delete all NAPI objects */
9522 bnx2x_del_all_napi(bp);
9523
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009524 /* Power on: we can't let PCI layer write to us while we are in D3 */
9525 bnx2x_set_power_state(bp, PCI_D0);
9526
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009527 /* Disable MSI/MSI-X */
9528 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009529
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009530 /* Power off */
9531 bnx2x_set_power_state(bp, PCI_D3hot);
9532
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009533 /* Make sure RESET task is not scheduled before continuing */
9534 cancel_delayed_work_sync(&bp->reset_task);
9535
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009536 if (bp->regview)
9537 iounmap(bp->regview);
9538
9539 if (bp->doorbells)
9540 iounmap(bp->doorbells);
9541
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009542 bnx2x_free_mem_bp(bp);
9543
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009544 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009545
9546 if (atomic_read(&pdev->enable_cnt) == 1)
9547 pci_release_regions(pdev);
9548
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009549 pci_disable_device(pdev);
9550 pci_set_drvdata(pdev, NULL);
9551}
9552
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009553static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9554{
9555 int i;
9556
9557 bp->state = BNX2X_STATE_ERROR;
9558
9559 bp->rx_mode = BNX2X_RX_MODE_NONE;
9560
9561 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009562 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009563
9564 del_timer_sync(&bp->timer);
9565 bp->stats_state = STATS_STATE_DISABLED;
9566 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9567
9568 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009569 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009570
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009571 /* Free SKBs, SGEs, TPA pool and driver internals */
9572 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009573
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009574 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009575 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009576
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009577 bnx2x_free_mem(bp);
9578
9579 bp->state = BNX2X_STATE_CLOSED;
9580
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009581 return 0;
9582}
9583
9584static void bnx2x_eeh_recover(struct bnx2x *bp)
9585{
9586 u32 val;
9587
9588 mutex_init(&bp->port.phy_mutex);
9589
9590 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9591 bp->link_params.shmem_base = bp->common.shmem_base;
9592 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9593
9594 if (!bp->common.shmem_base ||
9595 (bp->common.shmem_base < 0xA0000) ||
9596 (bp->common.shmem_base >= 0xC0000)) {
9597 BNX2X_DEV_INFO("MCP not active\n");
9598 bp->flags |= NO_MCP_FLAG;
9599 return;
9600 }
9601
9602 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9603 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9604 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9605 BNX2X_ERR("BAD MCP validity signature\n");
9606
9607 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009608 bp->fw_seq =
9609 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9610 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009611 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9612 }
9613}
9614
Wendy Xiong493adb12008-06-23 20:36:22 -07009615/**
9616 * bnx2x_io_error_detected - called when PCI error is detected
9617 * @pdev: Pointer to PCI device
9618 * @state: The current pci connection state
9619 *
9620 * This function is called after a PCI bus error affecting
9621 * this device has been detected.
9622 */
9623static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9624 pci_channel_state_t state)
9625{
9626 struct net_device *dev = pci_get_drvdata(pdev);
9627 struct bnx2x *bp = netdev_priv(dev);
9628
9629 rtnl_lock();
9630
9631 netif_device_detach(dev);
9632
Dean Nelson07ce50e42009-07-31 09:13:25 +00009633 if (state == pci_channel_io_perm_failure) {
9634 rtnl_unlock();
9635 return PCI_ERS_RESULT_DISCONNECT;
9636 }
9637
Wendy Xiong493adb12008-06-23 20:36:22 -07009638 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009639 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009640
9641 pci_disable_device(pdev);
9642
9643 rtnl_unlock();
9644
9645 /* Request a slot reset */
9646 return PCI_ERS_RESULT_NEED_RESET;
9647}
9648
9649/**
9650 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9651 * @pdev: Pointer to PCI device
9652 *
9653 * Restart the card from scratch, as if from a cold-boot.
9654 */
9655static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9656{
9657 struct net_device *dev = pci_get_drvdata(pdev);
9658 struct bnx2x *bp = netdev_priv(dev);
9659
9660 rtnl_lock();
9661
9662 if (pci_enable_device(pdev)) {
9663 dev_err(&pdev->dev,
9664 "Cannot re-enable PCI device after reset\n");
9665 rtnl_unlock();
9666 return PCI_ERS_RESULT_DISCONNECT;
9667 }
9668
9669 pci_set_master(pdev);
9670 pci_restore_state(pdev);
9671
9672 if (netif_running(dev))
9673 bnx2x_set_power_state(bp, PCI_D0);
9674
9675 rtnl_unlock();
9676
9677 return PCI_ERS_RESULT_RECOVERED;
9678}
9679
9680/**
9681 * bnx2x_io_resume - called when traffic can start flowing again
9682 * @pdev: Pointer to PCI device
9683 *
9684 * This callback is called when the error recovery driver tells us that
9685 * its OK to resume normal operation.
9686 */
9687static void bnx2x_io_resume(struct pci_dev *pdev)
9688{
9689 struct net_device *dev = pci_get_drvdata(pdev);
9690 struct bnx2x *bp = netdev_priv(dev);
9691
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009692 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009693 printk(KERN_ERR "Handling parity error recovery. "
9694 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009695 return;
9696 }
9697
Wendy Xiong493adb12008-06-23 20:36:22 -07009698 rtnl_lock();
9699
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009700 bnx2x_eeh_recover(bp);
9701
Wendy Xiong493adb12008-06-23 20:36:22 -07009702 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009703 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009704
9705 netif_device_attach(dev);
9706
9707 rtnl_unlock();
9708}
9709
9710static struct pci_error_handlers bnx2x_err_handler = {
9711 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009712 .slot_reset = bnx2x_io_slot_reset,
9713 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009714};
9715
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009716static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009717 .name = DRV_MODULE_NAME,
9718 .id_table = bnx2x_pci_tbl,
9719 .probe = bnx2x_init_one,
9720 .remove = __devexit_p(bnx2x_remove_one),
9721 .suspend = bnx2x_suspend,
9722 .resume = bnx2x_resume,
9723 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009724};
9725
9726static int __init bnx2x_init(void)
9727{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009728 int ret;
9729
Joe Perches7995c642010-02-17 15:01:52 +00009730 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009731
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009732 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9733 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009734 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009735 return -ENOMEM;
9736 }
9737
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009738 ret = pci_register_driver(&bnx2x_pci_driver);
9739 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009740 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009741 destroy_workqueue(bnx2x_wq);
9742 }
9743 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009744}
9745
9746static void __exit bnx2x_cleanup(void)
9747{
9748 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009749
9750 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009751}
9752
9753module_init(bnx2x_init);
9754module_exit(bnx2x_cleanup);
9755
Michael Chan993ac7b2009-10-10 13:46:56 +00009756#ifdef BCM_CNIC
9757
9758/* count denotes the number of new completions we have seen */
9759static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9760{
9761 struct eth_spe *spe;
9762
9763#ifdef BNX2X_STOP_ON_ERROR
9764 if (unlikely(bp->panic))
9765 return;
9766#endif
9767
9768 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009769 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009770 bp->cnic_spq_pending -= count;
9771
Michael Chan993ac7b2009-10-10 13:46:56 +00009772
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009773 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9774 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9775 & SPE_HDR_CONN_TYPE) >>
9776 SPE_HDR_CONN_TYPE_SHIFT;
9777
9778 /* Set validation for iSCSI L2 client before sending SETUP
9779 * ramrod
9780 */
9781 if (type == ETH_CONNECTION_TYPE) {
9782 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9783 hdr.conn_and_cmd_data) >>
9784 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9785
9786 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9787 bnx2x_set_ctx_validation(&bp->context.
9788 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9789 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9790 }
9791
9792 /* There may be not more than 8 L2 and COMMON SPEs and not more
9793 * than 8 L5 SPEs in the air.
9794 */
9795 if ((type == NONE_CONNECTION_TYPE) ||
9796 (type == ETH_CONNECTION_TYPE)) {
9797 if (!atomic_read(&bp->spq_left))
9798 break;
9799 else
9800 atomic_dec(&bp->spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009801 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9802 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009803 if (bp->cnic_spq_pending >=
9804 bp->cnic_eth_dev.max_kwqe_pending)
9805 break;
9806 else
9807 bp->cnic_spq_pending++;
9808 } else {
9809 BNX2X_ERR("Unknown SPE type: %d\n", type);
9810 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009811 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009812 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009813
9814 spe = bnx2x_sp_get_next(bp);
9815 *spe = *bp->cnic_kwq_cons;
9816
Michael Chan993ac7b2009-10-10 13:46:56 +00009817 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9818 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9819
9820 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9821 bp->cnic_kwq_cons = bp->cnic_kwq;
9822 else
9823 bp->cnic_kwq_cons++;
9824 }
9825 bnx2x_sp_prod_update(bp);
9826 spin_unlock_bh(&bp->spq_lock);
9827}
9828
9829static int bnx2x_cnic_sp_queue(struct net_device *dev,
9830 struct kwqe_16 *kwqes[], u32 count)
9831{
9832 struct bnx2x *bp = netdev_priv(dev);
9833 int i;
9834
9835#ifdef BNX2X_STOP_ON_ERROR
9836 if (unlikely(bp->panic))
9837 return -EIO;
9838#endif
9839
9840 spin_lock_bh(&bp->spq_lock);
9841
9842 for (i = 0; i < count; i++) {
9843 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9844
9845 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9846 break;
9847
9848 *bp->cnic_kwq_prod = *spe;
9849
9850 bp->cnic_kwq_pending++;
9851
9852 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9853 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009854 spe->data.update_data_addr.hi,
9855 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +00009856 bp->cnic_kwq_pending);
9857
9858 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9859 bp->cnic_kwq_prod = bp->cnic_kwq;
9860 else
9861 bp->cnic_kwq_prod++;
9862 }
9863
9864 spin_unlock_bh(&bp->spq_lock);
9865
9866 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9867 bnx2x_cnic_sp_post(bp, 0);
9868
9869 return i;
9870}
9871
9872static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9873{
9874 struct cnic_ops *c_ops;
9875 int rc = 0;
9876
9877 mutex_lock(&bp->cnic_mutex);
9878 c_ops = bp->cnic_ops;
9879 if (c_ops)
9880 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9881 mutex_unlock(&bp->cnic_mutex);
9882
9883 return rc;
9884}
9885
9886static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9887{
9888 struct cnic_ops *c_ops;
9889 int rc = 0;
9890
9891 rcu_read_lock();
9892 c_ops = rcu_dereference(bp->cnic_ops);
9893 if (c_ops)
9894 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9895 rcu_read_unlock();
9896
9897 return rc;
9898}
9899
9900/*
9901 * for commands that have no data
9902 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009903int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +00009904{
9905 struct cnic_ctl_info ctl = {0};
9906
9907 ctl.cmd = cmd;
9908
9909 return bnx2x_cnic_ctl_send(bp, &ctl);
9910}
9911
9912static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
9913{
9914 struct cnic_ctl_info ctl;
9915
9916 /* first we tell CNIC and only then we count this as a completion */
9917 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
9918 ctl.data.comp.cid = cid;
9919
9920 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009921 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +00009922}
9923
9924static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
9925{
9926 struct bnx2x *bp = netdev_priv(dev);
9927 int rc = 0;
9928
9929 switch (ctl->cmd) {
9930 case DRV_CTL_CTXTBL_WR_CMD: {
9931 u32 index = ctl->data.io.offset;
9932 dma_addr_t addr = ctl->data.io.dma_addr;
9933
9934 bnx2x_ilt_wr(bp, index, addr);
9935 break;
9936 }
9937
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009938 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
9939 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +00009940
9941 bnx2x_cnic_sp_post(bp, count);
9942 break;
9943 }
9944
9945 /* rtnl_lock is held. */
9946 case DRV_CTL_START_L2_CMD: {
9947 u32 cli = ctl->data.ring.client_id;
9948
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009949 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
9950 bnx2x_del_fcoe_eth_macs(bp);
9951
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009952 /* Set iSCSI MAC address */
9953 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
9954
9955 mmiowb();
9956 barrier();
9957
9958 /* Start accepting on iSCSI L2 ring. Accept all multicasts
9959 * because it's the only way for UIO Client to accept
9960 * multicasts (in non-promiscuous mode only one Client per
9961 * function will receive multicast packets (leading in our
9962 * case).
9963 */
9964 bnx2x_rxq_set_mac_filters(bp, cli,
9965 BNX2X_ACCEPT_UNICAST |
9966 BNX2X_ACCEPT_BROADCAST |
9967 BNX2X_ACCEPT_ALL_MULTICAST);
9968 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
9969
Michael Chan993ac7b2009-10-10 13:46:56 +00009970 break;
9971 }
9972
9973 /* rtnl_lock is held. */
9974 case DRV_CTL_STOP_L2_CMD: {
9975 u32 cli = ctl->data.ring.client_id;
9976
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009977 /* Stop accepting on iSCSI L2 ring */
9978 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
9979 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
9980
9981 mmiowb();
9982 barrier();
9983
9984 /* Unset iSCSI L2 MAC */
9985 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +00009986 break;
9987 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009988 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
9989 int count = ctl->data.credit.credit_count;
9990
9991 smp_mb__before_atomic_inc();
9992 atomic_add(count, &bp->spq_left);
9993 smp_mb__after_atomic_inc();
9994 break;
9995 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009996
9997 default:
9998 BNX2X_ERR("unknown command %x\n", ctl->cmd);
9999 rc = -EINVAL;
10000 }
10001
10002 return rc;
10003}
10004
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010005void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010006{
10007 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10008
10009 if (bp->flags & USING_MSIX_FLAG) {
10010 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10011 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10012 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10013 } else {
10014 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10015 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10016 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010017 if (CHIP_IS_E2(bp))
10018 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10019 else
10020 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10021
Michael Chan993ac7b2009-10-10 13:46:56 +000010022 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010023 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010024 cp->irq_arr[1].status_blk = bp->def_status_blk;
10025 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010026 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010027
10028 cp->num_irq = 2;
10029}
10030
10031static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10032 void *data)
10033{
10034 struct bnx2x *bp = netdev_priv(dev);
10035 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10036
10037 if (ops == NULL)
10038 return -EINVAL;
10039
10040 if (atomic_read(&bp->intr_sem) != 0)
10041 return -EBUSY;
10042
10043 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10044 if (!bp->cnic_kwq)
10045 return -ENOMEM;
10046
10047 bp->cnic_kwq_cons = bp->cnic_kwq;
10048 bp->cnic_kwq_prod = bp->cnic_kwq;
10049 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10050
10051 bp->cnic_spq_pending = 0;
10052 bp->cnic_kwq_pending = 0;
10053
10054 bp->cnic_data = data;
10055
10056 cp->num_irq = 0;
10057 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010058 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010059
Michael Chan993ac7b2009-10-10 13:46:56 +000010060 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010061
Michael Chan993ac7b2009-10-10 13:46:56 +000010062 rcu_assign_pointer(bp->cnic_ops, ops);
10063
10064 return 0;
10065}
10066
10067static int bnx2x_unregister_cnic(struct net_device *dev)
10068{
10069 struct bnx2x *bp = netdev_priv(dev);
10070 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10071
10072 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010073 cp->drv_state = 0;
10074 rcu_assign_pointer(bp->cnic_ops, NULL);
10075 mutex_unlock(&bp->cnic_mutex);
10076 synchronize_rcu();
10077 kfree(bp->cnic_kwq);
10078 bp->cnic_kwq = NULL;
10079
10080 return 0;
10081}
10082
10083struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10084{
10085 struct bnx2x *bp = netdev_priv(dev);
10086 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10087
10088 cp->drv_owner = THIS_MODULE;
10089 cp->chip_id = CHIP_ID(bp);
10090 cp->pdev = bp->pdev;
10091 cp->io_base = bp->regview;
10092 cp->io_base2 = bp->doorbells;
10093 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010094 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010095 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10096 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010097 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010098 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010099 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10100 cp->drv_ctl = bnx2x_drv_ctl;
10101 cp->drv_register_cnic = bnx2x_register_cnic;
10102 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010103 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10104 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10105 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010106 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010107
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010108 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10109 "starting cid %d\n",
10110 cp->ctx_blk_size,
10111 cp->ctx_tbl_offset,
10112 cp->ctx_tbl_len,
10113 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010114 return cp;
10115}
10116EXPORT_SYMBOL(bnx2x_cnic_probe);
10117
10118#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010119