blob: 5e3f94878153af83ffd14e13e0ad5ddc65ec28f2 [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
4279 cl_id = bnx2x_fcoe(bp, cl_id);
4280 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4281 BNX2X_ACCEPT_MULTICAST);
4282#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004283 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004284
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004285 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004286 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4287 BNX2X_ACCEPT_ALL_MULTICAST;
4288#ifdef BCM_CNIC
4289 cl_id = bnx2x_fcoe(bp, cl_id);
4290 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4291 BNX2X_ACCEPT_MULTICAST);
4292#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004293 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004294
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004295 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004296 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4297#ifdef BCM_CNIC
4298 cl_id = bnx2x_fcoe(bp, cl_id);
4299 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_UNICAST |
4300 BNX2X_ACCEPT_MULTICAST);
4301#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004302 /* pass management unicast packets as well */
4303 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004304 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004305
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004306 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004307 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4308 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004309 }
4310
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004311 cl_id = BP_L_ID(bp);
4312 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4313
Eilon Greenstein581ce432009-07-29 00:20:04 +00004314 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004315 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4316 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004317
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004318 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4319 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004320 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4321 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004322 bp->mac_filters.ucast_drop_all,
4323 bp->mac_filters.mcast_drop_all,
4324 bp->mac_filters.bcast_drop_all,
4325 bp->mac_filters.ucast_accept_all,
4326 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004327 bp->mac_filters.bcast_accept_all,
4328 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004329 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004330
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004331 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004332}
4333
Eilon Greenstein471de712008-08-13 15:49:35 -07004334static void bnx2x_init_internal_common(struct bnx2x *bp)
4335{
4336 int i;
4337
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004338 if (!CHIP_IS_E1(bp)) {
4339
4340 /* xstorm needs to know whether to add ovlan to packets or not,
4341 * in switch-independent we'll write 0 to here... */
4342 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004343 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004344 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004345 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004346 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004347 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004348 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004349 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004350 }
4351
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004352 if (IS_MF_SI(bp))
4353 /*
4354 * In switch independent mode, the TSTORM needs to accept
4355 * packets that failed classification, since approximate match
4356 * mac addresses aren't written to NIG LLH
4357 */
4358 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4359 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4360
Eilon Greenstein471de712008-08-13 15:49:35 -07004361 /* Zero this manually as its initialization is
4362 currently missing in the initTool */
4363 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4364 REG_WR(bp, BAR_USTRORM_INTMEM +
4365 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004366 if (CHIP_IS_E2(bp)) {
4367 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4368 CHIP_INT_MODE_IS_BC(bp) ?
4369 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4370 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004371}
4372
4373static void bnx2x_init_internal_port(struct bnx2x *bp)
4374{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004375 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004376 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004377}
4378
Eilon Greenstein471de712008-08-13 15:49:35 -07004379static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4380{
4381 switch (load_code) {
4382 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004383 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004384 bnx2x_init_internal_common(bp);
4385 /* no break */
4386
4387 case FW_MSG_CODE_DRV_LOAD_PORT:
4388 bnx2x_init_internal_port(bp);
4389 /* no break */
4390
4391 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004392 /* internal memory per function is
4393 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004394 break;
4395
4396 default:
4397 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4398 break;
4399 }
4400}
4401
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004402static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4403{
4404 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4405
4406 fp->state = BNX2X_FP_STATE_CLOSED;
4407
4408 fp->index = fp->cid = fp_idx;
4409 fp->cl_id = BP_L_ID(bp) + fp_idx;
4410 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4411 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4412 /* qZone id equals to FW (per path) client id */
4413 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004414 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4415 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004416 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004417 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4418 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004419 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4420 /* Setup SB indicies */
4421 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4422 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4423
4424 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4425 "cl_id %d fw_sb %d igu_sb %d\n",
4426 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4427 fp->igu_sb_id);
4428 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4429 fp->fw_sb_id, fp->igu_sb_id);
4430
4431 bnx2x_update_fpsb_idx(fp);
4432}
4433
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004434void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004435{
4436 int i;
4437
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004438 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004439 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004440#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004441 if (!NO_FCOE(bp))
4442 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004443
4444 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4445 BNX2X_VF_ID_INVALID, false,
4446 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4447
Michael Chan37b091b2009-10-10 13:46:55 +00004448#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004449
Eilon Greenstein16119782009-03-02 07:59:27 +00004450 /* ensure status block indices were read */
4451 rmb();
4452
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004453 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004454 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004455 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004456 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004457 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004458 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004459 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004460 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004461 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004462 bnx2x_stats_init(bp);
4463
4464 /* At this point, we are ready for interrupts */
4465 atomic_set(&bp->intr_sem, 0);
4466
4467 /* flush all before enabling interrupts */
4468 mb();
4469 mmiowb();
4470
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004471 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004472
4473 /* Check for SPIO5 */
4474 bnx2x_attn_int_deasserted0(bp,
4475 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4476 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004477}
4478
4479/* end of nic init */
4480
4481/*
4482 * gzip service functions
4483 */
4484
4485static int bnx2x_gunzip_init(struct bnx2x *bp)
4486{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004487 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4488 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004489 if (bp->gunzip_buf == NULL)
4490 goto gunzip_nomem1;
4491
4492 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4493 if (bp->strm == NULL)
4494 goto gunzip_nomem2;
4495
4496 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4497 GFP_KERNEL);
4498 if (bp->strm->workspace == NULL)
4499 goto gunzip_nomem3;
4500
4501 return 0;
4502
4503gunzip_nomem3:
4504 kfree(bp->strm);
4505 bp->strm = NULL;
4506
4507gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004508 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4509 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004510 bp->gunzip_buf = NULL;
4511
4512gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004513 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4514 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004515 return -ENOMEM;
4516}
4517
4518static void bnx2x_gunzip_end(struct bnx2x *bp)
4519{
4520 kfree(bp->strm->workspace);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004521 kfree(bp->strm);
4522 bp->strm = NULL;
4523
4524 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004525 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4526 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004527 bp->gunzip_buf = NULL;
4528 }
4529}
4530
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004531static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004532{
4533 int n, rc;
4534
4535 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004536 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4537 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004538 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004539 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004540
4541 n = 10;
4542
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004543#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004544
4545 if (zbuf[3] & FNAME)
4546 while ((zbuf[n++] != 0) && (n < len));
4547
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004548 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004549 bp->strm->avail_in = len - n;
4550 bp->strm->next_out = bp->gunzip_buf;
4551 bp->strm->avail_out = FW_BUF_SIZE;
4552
4553 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4554 if (rc != Z_OK)
4555 return rc;
4556
4557 rc = zlib_inflate(bp->strm, Z_FINISH);
4558 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004559 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4560 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004561
4562 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4563 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004564 netdev_err(bp->dev, "Firmware decompression error:"
4565 " gunzip_outlen (%d) not aligned\n",
4566 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004567 bp->gunzip_outlen >>= 2;
4568
4569 zlib_inflateEnd(bp->strm);
4570
4571 if (rc == Z_STREAM_END)
4572 return 0;
4573
4574 return rc;
4575}
4576
4577/* nic load/unload */
4578
4579/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004580 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004581 */
4582
4583/* send a NIG loopback debug packet */
4584static void bnx2x_lb_pckt(struct bnx2x *bp)
4585{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004586 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004587
4588 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004589 wb_write[0] = 0x55555555;
4590 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004591 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004592 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004593
4594 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004595 wb_write[0] = 0x09000000;
4596 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004597 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004598 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004599}
4600
4601/* some of the internal memories
4602 * are not directly readable from the driver
4603 * to test them we send debug packets
4604 */
4605static int bnx2x_int_mem_test(struct bnx2x *bp)
4606{
4607 int factor;
4608 int count, i;
4609 u32 val = 0;
4610
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004611 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004612 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004613 else if (CHIP_REV_IS_EMUL(bp))
4614 factor = 200;
4615 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004616 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004617
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004618 /* Disable inputs of parser neighbor blocks */
4619 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4620 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4621 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004622 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004623
4624 /* Write 0 to parser credits for CFC search request */
4625 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4626
4627 /* send Ethernet packet */
4628 bnx2x_lb_pckt(bp);
4629
4630 /* TODO do i reset NIG statistic? */
4631 /* Wait until NIG register shows 1 packet of size 0x10 */
4632 count = 1000 * factor;
4633 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004634
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004635 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4636 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004637 if (val == 0x10)
4638 break;
4639
4640 msleep(10);
4641 count--;
4642 }
4643 if (val != 0x10) {
4644 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4645 return -1;
4646 }
4647
4648 /* Wait until PRS register shows 1 packet */
4649 count = 1000 * factor;
4650 while (count) {
4651 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004652 if (val == 1)
4653 break;
4654
4655 msleep(10);
4656 count--;
4657 }
4658 if (val != 0x1) {
4659 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4660 return -2;
4661 }
4662
4663 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004664 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004665 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004666 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004667 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004668 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4669 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004670
4671 DP(NETIF_MSG_HW, "part2\n");
4672
4673 /* Disable inputs of parser neighbor blocks */
4674 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4675 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4676 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004677 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004678
4679 /* Write 0 to parser credits for CFC search request */
4680 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4681
4682 /* send 10 Ethernet packets */
4683 for (i = 0; i < 10; i++)
4684 bnx2x_lb_pckt(bp);
4685
4686 /* Wait until NIG register shows 10 + 1
4687 packets of size 11*0x10 = 0xb0 */
4688 count = 1000 * factor;
4689 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004690
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004691 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4692 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004693 if (val == 0xb0)
4694 break;
4695
4696 msleep(10);
4697 count--;
4698 }
4699 if (val != 0xb0) {
4700 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4701 return -3;
4702 }
4703
4704 /* Wait until PRS register shows 2 packets */
4705 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4706 if (val != 2)
4707 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4708
4709 /* Write 1 to parser credits for CFC search request */
4710 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4711
4712 /* Wait until PRS register shows 3 packets */
4713 msleep(10 * factor);
4714 /* Wait until NIG register shows 1 packet of size 0x10 */
4715 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4716 if (val != 3)
4717 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4718
4719 /* clear NIG EOP FIFO */
4720 for (i = 0; i < 11; i++)
4721 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4722 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4723 if (val != 1) {
4724 BNX2X_ERR("clear of NIG failed\n");
4725 return -4;
4726 }
4727
4728 /* Reset and init BRB, PRS, NIG */
4729 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4730 msleep(50);
4731 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4732 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004733 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4734 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004735#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004736 /* set NIC mode */
4737 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4738#endif
4739
4740 /* Enable inputs of parser neighbor blocks */
4741 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4742 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4743 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004744 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004745
4746 DP(NETIF_MSG_HW, "done\n");
4747
4748 return 0; /* OK */
4749}
4750
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004751static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004752{
4753 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004754 if (CHIP_IS_E2(bp))
4755 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4756 else
4757 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004758 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4759 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004760 /*
4761 * mask read length error interrupts in brb for parser
4762 * (parsing unit and 'checksum and crc' unit)
4763 * these errors are legal (PU reads fixed length and CAC can cause
4764 * read length error on truncated packets)
4765 */
4766 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004767 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4768 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4769 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4770 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4771 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004772/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4773/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004774 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4775 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4776 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004777/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4778/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004779 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4780 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4781 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4782 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004783/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4784/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004785
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004786 if (CHIP_REV_IS_FPGA(bp))
4787 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004788 else if (CHIP_IS_E2(bp))
4789 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4790 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4791 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4792 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4793 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4794 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004795 else
4796 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004797 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4798 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4799 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004800/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4801/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004802 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4803 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004804/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004805 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004806}
4807
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004808static void bnx2x_reset_common(struct bnx2x *bp)
4809{
4810 /* reset_common */
4811 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4812 0xd3ffff7f);
4813 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4814}
4815
Eilon Greenstein573f2032009-08-12 08:24:14 +00004816static void bnx2x_init_pxp(struct bnx2x *bp)
4817{
4818 u16 devctl;
4819 int r_order, w_order;
4820
4821 pci_read_config_word(bp->pdev,
4822 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4823 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4824 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4825 if (bp->mrrs == -1)
4826 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4827 else {
4828 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4829 r_order = bp->mrrs;
4830 }
4831
4832 bnx2x_init_pxp_arb(bp, r_order, w_order);
4833}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004834
4835static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4836{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004837 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004838 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004839 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004840
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004841 if (BP_NOMCP(bp))
4842 return;
4843
4844 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004845 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4846 SHARED_HW_CFG_FAN_FAILURE_MASK;
4847
4848 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4849 is_required = 1;
4850
4851 /*
4852 * The fan failure mechanism is usually related to the PHY type since
4853 * the power consumption of the board is affected by the PHY. Currently,
4854 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4855 */
4856 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4857 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004858 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004859 bnx2x_fan_failure_det_req(
4860 bp,
4861 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004862 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004863 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004864 }
4865
4866 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4867
4868 if (is_required == 0)
4869 return;
4870
4871 /* Fan failure is indicated by SPIO 5 */
4872 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4873 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4874
4875 /* set to active low mode */
4876 val = REG_RD(bp, MISC_REG_SPIO_INT);
4877 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004878 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004879 REG_WR(bp, MISC_REG_SPIO_INT, val);
4880
4881 /* enable interrupt to signal the IGU */
4882 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4883 val |= (1 << MISC_REGISTERS_SPIO_5);
4884 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4885}
4886
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004887static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4888{
4889 u32 offset = 0;
4890
4891 if (CHIP_IS_E1(bp))
4892 return;
4893 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4894 return;
4895
4896 switch (BP_ABS_FUNC(bp)) {
4897 case 0:
4898 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4899 break;
4900 case 1:
4901 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4902 break;
4903 case 2:
4904 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4905 break;
4906 case 3:
4907 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4908 break;
4909 case 4:
4910 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4911 break;
4912 case 5:
4913 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4914 break;
4915 case 6:
4916 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4917 break;
4918 case 7:
4919 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4920 break;
4921 default:
4922 return;
4923 }
4924
4925 REG_WR(bp, offset, pretend_func_num);
4926 REG_RD(bp, offset);
4927 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4928}
4929
4930static void bnx2x_pf_disable(struct bnx2x *bp)
4931{
4932 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4933 val &= ~IGU_PF_CONF_FUNC_EN;
4934
4935 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4936 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4937 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4938}
4939
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004940static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004941{
4942 u32 val, i;
4943
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004944 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004945
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004946 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004947 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4948 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4949
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004950 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004951 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004952 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004953
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004954 if (CHIP_IS_E2(bp)) {
4955 u8 fid;
4956
4957 /**
4958 * 4-port mode or 2-port mode we need to turn of master-enable
4959 * for everyone, after that, turn it back on for self.
4960 * so, we disregard multi-function or not, and always disable
4961 * for all functions on the given path, this means 0,2,4,6 for
4962 * path 0 and 1,3,5,7 for path 1
4963 */
4964 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
4965 if (fid == BP_ABS_FUNC(bp)) {
4966 REG_WR(bp,
4967 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
4968 1);
4969 continue;
4970 }
4971
4972 bnx2x_pretend_func(bp, fid);
4973 /* clear pf enable */
4974 bnx2x_pf_disable(bp);
4975 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
4976 }
4977 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004978
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004979 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004980 if (CHIP_IS_E1(bp)) {
4981 /* enable HW interrupt from PXP on USDM overflow
4982 bit 16 on INT_MASK_0 */
4983 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004984 }
4985
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004986 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004987 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004988
4989#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004990 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
4991 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
4992 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
4993 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
4994 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00004995 /* make sure this value is 0 */
4996 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004997
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004998/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
4999 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5000 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5001 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5002 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005003#endif
5004
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005005 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5006
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005007 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5008 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005009
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005010 /* let the HW do it's magic ... */
5011 msleep(100);
5012 /* finish PXP init */
5013 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5014 if (val != 1) {
5015 BNX2X_ERR("PXP2 CFG failed\n");
5016 return -EBUSY;
5017 }
5018 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5019 if (val != 1) {
5020 BNX2X_ERR("PXP2 RD_INIT failed\n");
5021 return -EBUSY;
5022 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005023
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005024 /* Timers bug workaround E2 only. We need to set the entire ILT to
5025 * have entries with value "0" and valid bit on.
5026 * This needs to be done by the first PF that is loaded in a path
5027 * (i.e. common phase)
5028 */
5029 if (CHIP_IS_E2(bp)) {
5030 struct ilt_client_info ilt_cli;
5031 struct bnx2x_ilt ilt;
5032 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5033 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5034
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005035 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005036 ilt_cli.start = 0;
5037 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5038 ilt_cli.client_num = ILT_CLIENT_TM;
5039
5040 /* Step 1: set zeroes to all ilt page entries with valid bit on
5041 * Step 2: set the timers first/last ilt entry to point
5042 * to the entire range to prevent ILT range error for 3rd/4th
5043 * vnic (this code assumes existance of the vnic)
5044 *
5045 * both steps performed by call to bnx2x_ilt_client_init_op()
5046 * with dummy TM client
5047 *
5048 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5049 * and his brother are split registers
5050 */
5051 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5052 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5053 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5054
5055 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5056 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5057 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5058 }
5059
5060
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005061 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5062 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005063
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005064 if (CHIP_IS_E2(bp)) {
5065 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5066 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5067 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5068
5069 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5070
5071 /* let the HW do it's magic ... */
5072 do {
5073 msleep(200);
5074 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5075 } while (factor-- && (val != 1));
5076
5077 if (val != 1) {
5078 BNX2X_ERR("ATC_INIT failed\n");
5079 return -EBUSY;
5080 }
5081 }
5082
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005083 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005084
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005085 /* clean the DMAE memory */
5086 bp->dmae_ready = 1;
5087 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005088
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005089 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5090 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5091 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5092 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005093
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005094 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5095 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5096 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5097 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5098
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005099 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005100
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005101 if (CHIP_MODE_IS_4_PORT(bp))
5102 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005103
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005104 /* QM queues pointers table */
5105 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005106
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005107 /* soft reset pulse */
5108 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5109 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005110
Michael Chan37b091b2009-10-10 13:46:55 +00005111#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005112 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005113#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005114
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005115 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005116 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5117
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005118 if (!CHIP_REV_IS_SLOW(bp)) {
5119 /* enable hw interrupt from doorbell Q */
5120 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5121 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005122
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005123 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005124 if (CHIP_MODE_IS_4_PORT(bp)) {
5125 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5126 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5127 }
5128
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005129 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005130 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005131#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005132 /* set NIC mode */
5133 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005134#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005135 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005136 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005137
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005138 if (CHIP_IS_E2(bp)) {
5139 /* Bit-map indicating which L2 hdrs may appear after the
5140 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005141 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005142 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5143 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5144 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005145
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005146 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5147 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5148 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5149 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005150
Eilon Greensteinca003922009-08-12 22:53:28 -07005151 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5152 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5153 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5154 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005155
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005156 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5157 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5158 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5159 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005160
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005161 if (CHIP_MODE_IS_4_PORT(bp))
5162 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5163
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005164 /* sync semi rtc */
5165 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5166 0x80000000);
5167 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5168 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005169
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005170 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5171 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5172 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005173
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005174 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005175 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005176 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5177 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5178 }
5179
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005180 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005181 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5182 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005183
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005184 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005185#ifdef BCM_CNIC
5186 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5187 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5188 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5189 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5190 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5191 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5192 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5193 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5194 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5195 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5196#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005197 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005198
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005199 if (sizeof(union cdu_context) != 1024)
5200 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005201 dev_alert(&bp->pdev->dev, "please adjust the size "
5202 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005203 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005204
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005205 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005206 val = (4 << 24) + (0 << 12) + 1024;
5207 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005208
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005209 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005210 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005211 /* enable context validation interrupt from CFC */
5212 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5213
5214 /* set the thresholds to prevent CFC/CDU race */
5215 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005216
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005217 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005218
5219 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5220 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5221
5222 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005223 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005224
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005225 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005226 /* Reset PCIE errors for debug */
5227 REG_WR(bp, 0x2814, 0xffffffff);
5228 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005229
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005230 if (CHIP_IS_E2(bp)) {
5231 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5232 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5233 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5234 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5235 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5236 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5237 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5238 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5239 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5240 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5241 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5242 }
5243
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005244 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005245 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005246 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005247 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005248
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005249 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005250 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005251 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005252 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005253 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005254 if (CHIP_IS_E2(bp)) {
5255 /* Bit-map indicating which L2 hdrs may appear after the
5256 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005257 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005258 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005259
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005260 if (CHIP_REV_IS_SLOW(bp))
5261 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005262
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005263 /* finish CFC init */
5264 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5265 if (val != 1) {
5266 BNX2X_ERR("CFC LL_INIT failed\n");
5267 return -EBUSY;
5268 }
5269 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5270 if (val != 1) {
5271 BNX2X_ERR("CFC AC_INIT failed\n");
5272 return -EBUSY;
5273 }
5274 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5275 if (val != 1) {
5276 BNX2X_ERR("CFC CAM_INIT failed\n");
5277 return -EBUSY;
5278 }
5279 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005280
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005281 if (CHIP_IS_E1(bp)) {
5282 /* read NIG statistic
5283 to see if this is our first up since powerup */
5284 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5285 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005286
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005287 /* do internal memory self test */
5288 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5289 BNX2X_ERR("internal mem self test failed\n");
5290 return -EBUSY;
5291 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005292 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005293
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005294 bnx2x_setup_fan_failure_detection(bp);
5295
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005296 /* clear PXP2 attentions */
5297 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005298
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005299 bnx2x_enable_blocks_attention(bp);
5300 if (CHIP_PARITY_ENABLED(bp))
5301 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005302
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005303 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005304 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5305 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5306 CHIP_IS_E1x(bp)) {
5307 u32 shmem_base[2], shmem2_base[2];
5308 shmem_base[0] = bp->common.shmem_base;
5309 shmem2_base[0] = bp->common.shmem2_base;
5310 if (CHIP_IS_E2(bp)) {
5311 shmem_base[1] =
5312 SHMEM2_RD(bp, other_shmem_base_addr);
5313 shmem2_base[1] =
5314 SHMEM2_RD(bp, other_shmem2_base_addr);
5315 }
5316 bnx2x_acquire_phy_lock(bp);
5317 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5318 bp->common.chip_id);
5319 bnx2x_release_phy_lock(bp);
5320 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005321 } else
5322 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5323
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005324 return 0;
5325}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005326
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005327static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005328{
5329 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005330 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005331 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005332 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005333
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005334 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005335
5336 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005337
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005338 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005339 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005340
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005341 /* Timers bug workaround: disables the pf_master bit in pglue at
5342 * common phase, we need to enable it here before any dmae access are
5343 * attempted. Therefore we manually added the enable-master to the
5344 * port phase (it also happens in the function phase)
5345 */
5346 if (CHIP_IS_E2(bp))
5347 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5348
Eilon Greensteinca003922009-08-12 22:53:28 -07005349 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5350 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5351 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005352 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005353
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005354 /* QM cid (connection) count */
5355 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005356
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005357#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005358 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005359 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5360 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005361#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005362
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005363 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005364
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005365 if (CHIP_MODE_IS_4_PORT(bp))
5366 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005367
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005368 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5369 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5370 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5371 /* no pause for emulation and FPGA */
5372 low = 0;
5373 high = 513;
5374 } else {
5375 if (IS_MF(bp))
5376 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5377 else if (bp->dev->mtu > 4096) {
5378 if (bp->flags & ONE_PORT_FLAG)
5379 low = 160;
5380 else {
5381 val = bp->dev->mtu;
5382 /* (24*1024 + val*4)/256 */
5383 low = 96 + (val/64) +
5384 ((val % 64) ? 1 : 0);
5385 }
5386 } else
5387 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5388 high = low + 56; /* 14*1024/256 */
5389 }
5390 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5391 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5392 }
5393
5394 if (CHIP_MODE_IS_4_PORT(bp)) {
5395 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5396 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5397 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5398 BRB1_REG_MAC_GUARANTIED_0), 40);
5399 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005400
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005401 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005402
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005403 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005404 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005405 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005406 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005407
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005408 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5409 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5410 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5411 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005412 if (CHIP_MODE_IS_4_PORT(bp))
5413 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005414
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005415 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005416 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005417
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005418 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005419
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005420 if (!CHIP_IS_E2(bp)) {
5421 /* configure PBF to work without PAUSE mtu 9000 */
5422 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005424 /* update threshold */
5425 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5426 /* update init credit */
5427 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005428
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005429 /* probe changes */
5430 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5431 udelay(50);
5432 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5433 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005434
Michael Chan37b091b2009-10-10 13:46:55 +00005435#ifdef BCM_CNIC
5436 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005437#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005438 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005439 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005440
5441 if (CHIP_IS_E1(bp)) {
5442 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5443 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5444 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005445 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005446
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005447 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5448
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005449 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005450 /* init aeu_mask_attn_func_0/1:
5451 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5452 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5453 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005454 val = IS_MF(bp) ? 0xF7 : 0x7;
5455 /* Enable DCBX attention for all but E1 */
5456 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5457 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005458
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005459 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005460 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005461 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005462 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005463 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005464
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005465 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005466
5467 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5468
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005469 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005470 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005471 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005472 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005473
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005474 if (CHIP_IS_E2(bp)) {
5475 val = 0;
5476 switch (bp->mf_mode) {
5477 case MULTI_FUNCTION_SD:
5478 val = 1;
5479 break;
5480 case MULTI_FUNCTION_SI:
5481 val = 2;
5482 break;
5483 }
5484
5485 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5486 NIG_REG_LLH0_CLS_TYPE), val);
5487 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005488 {
5489 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5490 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5491 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5492 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005493 }
5494
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005495 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005496 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005497 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005498 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005499 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5500 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5501 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005502 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005503 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005504 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005505 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005506
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005507 return 0;
5508}
5509
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005510static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5511{
5512 int reg;
5513
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005514 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005515 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005516 else
5517 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005518
5519 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5520}
5521
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005522static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5523{
5524 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5525}
5526
5527static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5528{
5529 u32 i, base = FUNC_ILT_BASE(func);
5530 for (i = base; i < base + ILT_PER_FUNC; i++)
5531 bnx2x_ilt_wr(bp, i, 0);
5532}
5533
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005534static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005535{
5536 int port = BP_PORT(bp);
5537 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005538 struct bnx2x_ilt *ilt = BP_ILT(bp);
5539 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005540 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005541 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5542 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005543
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005544 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005545
Eilon Greenstein8badd272009-02-12 08:36:15 +00005546 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005547 if (bp->common.int_block == INT_BLOCK_HC) {
5548 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5549 val = REG_RD(bp, addr);
5550 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5551 REG_WR(bp, addr, val);
5552 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005553
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005554 ilt = BP_ILT(bp);
5555 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005556
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005557 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5558 ilt->lines[cdu_ilt_start + i].page =
5559 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5560 ilt->lines[cdu_ilt_start + i].page_mapping =
5561 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5562 /* cdu ilt pages are allocated manually so there's no need to
5563 set the size */
5564 }
5565 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005566
Michael Chan37b091b2009-10-10 13:46:55 +00005567#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005568 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005569
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005570 /* T1 hash bits value determines the T1 number of entries */
5571 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005572#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005573
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005574#ifndef BCM_CNIC
5575 /* set NIC mode */
5576 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5577#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005578
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005579 if (CHIP_IS_E2(bp)) {
5580 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5581
5582 /* Turn on a single ISR mode in IGU if driver is going to use
5583 * INT#x or MSI
5584 */
5585 if (!(bp->flags & USING_MSIX_FLAG))
5586 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5587 /*
5588 * Timers workaround bug: function init part.
5589 * Need to wait 20msec after initializing ILT,
5590 * needed to make sure there are no requests in
5591 * one of the PXP internal queues with "old" ILT addresses
5592 */
5593 msleep(20);
5594 /*
5595 * Master enable - Due to WB DMAE writes performed before this
5596 * register is re-initialized as part of the regular function
5597 * init
5598 */
5599 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5600 /* Enable the function in IGU */
5601 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5602 }
5603
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005604 bp->dmae_ready = 1;
5605
5606 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5607
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005608 if (CHIP_IS_E2(bp))
5609 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5610
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005611 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5612 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5613 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5614 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5615 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5616 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5617 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5618 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5619 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5620
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005621 if (CHIP_IS_E2(bp)) {
5622 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5623 BP_PATH(bp));
5624 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5625 BP_PATH(bp));
5626 }
5627
5628 if (CHIP_MODE_IS_4_PORT(bp))
5629 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5630
5631 if (CHIP_IS_E2(bp))
5632 REG_WR(bp, QM_REG_PF_EN, 1);
5633
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005634 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005635
5636 if (CHIP_MODE_IS_4_PORT(bp))
5637 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5638
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005639 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5640 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5641 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5642 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5643 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5644 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5645 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5646 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5647 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5648 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5649 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005650 if (CHIP_IS_E2(bp))
5651 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5652
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005653 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5654
5655 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5656
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005657 if (CHIP_IS_E2(bp))
5658 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5659
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005660 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005661 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005662 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005663 }
5664
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005665 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5666
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005667 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005668 if (bp->common.int_block == INT_BLOCK_HC) {
5669 if (CHIP_IS_E1H(bp)) {
5670 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5671
5672 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5673 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5674 }
5675 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5676
5677 } else {
5678 int num_segs, sb_idx, prod_offset;
5679
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005680 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5681
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005682 if (CHIP_IS_E2(bp)) {
5683 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5684 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5685 }
5686
5687 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5688
5689 if (CHIP_IS_E2(bp)) {
5690 int dsb_idx = 0;
5691 /**
5692 * Producer memory:
5693 * E2 mode: address 0-135 match to the mapping memory;
5694 * 136 - PF0 default prod; 137 - PF1 default prod;
5695 * 138 - PF2 default prod; 139 - PF3 default prod;
5696 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5697 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5698 * 144-147 reserved.
5699 *
5700 * E1.5 mode - In backward compatible mode;
5701 * for non default SB; each even line in the memory
5702 * holds the U producer and each odd line hold
5703 * the C producer. The first 128 producers are for
5704 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5705 * producers are for the DSB for each PF.
5706 * Each PF has five segments: (the order inside each
5707 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5708 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5709 * 144-147 attn prods;
5710 */
5711 /* non-default-status-blocks */
5712 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5713 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5714 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5715 prod_offset = (bp->igu_base_sb + sb_idx) *
5716 num_segs;
5717
5718 for (i = 0; i < num_segs; i++) {
5719 addr = IGU_REG_PROD_CONS_MEMORY +
5720 (prod_offset + i) * 4;
5721 REG_WR(bp, addr, 0);
5722 }
5723 /* send consumer update with value 0 */
5724 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5725 USTORM_ID, 0, IGU_INT_NOP, 1);
5726 bnx2x_igu_clear_sb(bp,
5727 bp->igu_base_sb + sb_idx);
5728 }
5729
5730 /* default-status-blocks */
5731 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5732 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5733
5734 if (CHIP_MODE_IS_4_PORT(bp))
5735 dsb_idx = BP_FUNC(bp);
5736 else
5737 dsb_idx = BP_E1HVN(bp);
5738
5739 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5740 IGU_BC_BASE_DSB_PROD + dsb_idx :
5741 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5742
5743 for (i = 0; i < (num_segs * E1HVN_MAX);
5744 i += E1HVN_MAX) {
5745 addr = IGU_REG_PROD_CONS_MEMORY +
5746 (prod_offset + i)*4;
5747 REG_WR(bp, addr, 0);
5748 }
5749 /* send consumer update with 0 */
5750 if (CHIP_INT_MODE_IS_BC(bp)) {
5751 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5752 USTORM_ID, 0, IGU_INT_NOP, 1);
5753 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5754 CSTORM_ID, 0, IGU_INT_NOP, 1);
5755 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5756 XSTORM_ID, 0, IGU_INT_NOP, 1);
5757 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5758 TSTORM_ID, 0, IGU_INT_NOP, 1);
5759 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5760 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5761 } else {
5762 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5763 USTORM_ID, 0, IGU_INT_NOP, 1);
5764 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5765 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5766 }
5767 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5768
5769 /* !!! these should become driver const once
5770 rf-tool supports split-68 const */
5771 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5772 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5773 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5774 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5775 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5776 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5777 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005778 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005779
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005780 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005781 REG_WR(bp, 0x2114, 0xffffffff);
5782 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005783
5784 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5785 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5786 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5787 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5788 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5789 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5790
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005791 if (CHIP_IS_E1x(bp)) {
5792 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5793 main_mem_base = HC_REG_MAIN_MEMORY +
5794 BP_PORT(bp) * (main_mem_size * 4);
5795 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5796 main_mem_width = 8;
5797
5798 val = REG_RD(bp, main_mem_prty_clr);
5799 if (val)
5800 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5801 "block during "
5802 "function init (0x%x)!\n", val);
5803
5804 /* Clear "false" parity errors in MSI-X table */
5805 for (i = main_mem_base;
5806 i < main_mem_base + main_mem_size * 4;
5807 i += main_mem_width) {
5808 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5809 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5810 i, main_mem_width / 4);
5811 }
5812 /* Clear HC parity attention */
5813 REG_RD(bp, main_mem_prty_clr);
5814 }
5815
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005816 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005817
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005818 return 0;
5819}
5820
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005821int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005822{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005823 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005824
5825 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005826 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005827
5828 bp->dmae_ready = 0;
5829 mutex_init(&bp->dmae_mutex);
Eilon Greenstein54016b22009-08-12 08:23:48 +00005830 rc = bnx2x_gunzip_init(bp);
5831 if (rc)
5832 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005833
5834 switch (load_code) {
5835 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005836 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005837 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005838 if (rc)
5839 goto init_hw_err;
5840 /* no break */
5841
5842 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005843 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005844 if (rc)
5845 goto init_hw_err;
5846 /* no break */
5847
5848 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005849 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005850 if (rc)
5851 goto init_hw_err;
5852 break;
5853
5854 default:
5855 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5856 break;
5857 }
5858
5859 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005860 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005861
5862 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005863 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005864 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005865 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5866 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005867
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005868init_hw_err:
5869 bnx2x_gunzip_end(bp);
5870
5871 return rc;
5872}
5873
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005874void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005875{
5876
5877#define BNX2X_PCI_FREE(x, y, size) \
5878 do { \
5879 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005880 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005881 x = NULL; \
5882 y = 0; \
5883 } \
5884 } while (0)
5885
5886#define BNX2X_FREE(x) \
5887 do { \
5888 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005889 kfree((void *)x); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005890 x = NULL; \
5891 } \
5892 } while (0)
5893
5894 int i;
5895
5896 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005897 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005898 for_each_queue(bp, i) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005899#ifdef BCM_CNIC
5900 /* FCoE client uses default status block */
5901 if (IS_FCOE_IDX(i)) {
5902 union host_hc_status_block *sb =
5903 &bnx2x_fp(bp, i, status_blk);
5904 memset(sb, 0, sizeof(union host_hc_status_block));
5905 bnx2x_fp(bp, i, status_blk_mapping) = 0;
5906 } else {
5907#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005908 /* status blocks */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005909 if (CHIP_IS_E2(bp))
5910 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
5911 bnx2x_fp(bp, i, status_blk_mapping),
5912 sizeof(struct host_hc_status_block_e2));
5913 else
5914 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
5915 bnx2x_fp(bp, i, status_blk_mapping),
5916 sizeof(struct host_hc_status_block_e1x));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005917#ifdef BCM_CNIC
5918 }
5919#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005920 }
5921 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005922 for_each_rx_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005923
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005924 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005925 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5926 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5927 bnx2x_fp(bp, i, rx_desc_mapping),
5928 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5929
5930 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5931 bnx2x_fp(bp, i, rx_comp_mapping),
5932 sizeof(struct eth_fast_path_rx_cqe) *
5933 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005934
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005935 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005936 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005937 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5938 bnx2x_fp(bp, i, rx_sge_mapping),
5939 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5940 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005941 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005942 for_each_tx_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005943
5944 /* fastpath tx rings: tx_buf tx_desc */
5945 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5946 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5947 bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07005948 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005949 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005950 /* end of fastpath */
5951
5952 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005953 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005954
5955 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005956 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005957
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005958 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5959 bp->context.size);
5960
5961 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5962
5963 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005964
Michael Chan37b091b2009-10-10 13:46:55 +00005965#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005966 if (CHIP_IS_E2(bp))
5967 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5968 sizeof(struct host_hc_status_block_e2));
5969 else
5970 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5971 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005972
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005973 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005974#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005975
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005976 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005977
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005978 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5979 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5980
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005981#undef BNX2X_PCI_FREE
5982#undef BNX2X_KFREE
5983}
5984
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005985static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
5986{
5987 union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
5988 if (CHIP_IS_E2(bp)) {
5989 bnx2x_fp(bp, index, sb_index_values) =
5990 (__le16 *)status_blk.e2_sb->sb.index_values;
5991 bnx2x_fp(bp, index, sb_running_index) =
5992 (__le16 *)status_blk.e2_sb->sb.running_index;
5993 } else {
5994 bnx2x_fp(bp, index, sb_index_values) =
5995 (__le16 *)status_blk.e1x_sb->sb.index_values;
5996 bnx2x_fp(bp, index, sb_running_index) =
5997 (__le16 *)status_blk.e1x_sb->sb.running_index;
5998 }
5999}
6000
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006001int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006002{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006003#define BNX2X_PCI_ALLOC(x, y, size) \
6004 do { \
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006005 x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006006 if (x == NULL) \
6007 goto alloc_mem_err; \
6008 memset(x, 0, size); \
6009 } while (0)
6010
6011#define BNX2X_ALLOC(x, size) \
6012 do { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006013 x = kzalloc(size, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006014 if (x == NULL) \
6015 goto alloc_mem_err; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006016 } while (0)
6017
6018 int i;
6019
6020 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006021 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006022 for_each_queue(bp, i) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006023 union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006024 bnx2x_fp(bp, i, bp) = bp;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006025 /* status blocks */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006026#ifdef BCM_CNIC
6027 if (!IS_FCOE_IDX(i)) {
6028#endif
6029 if (CHIP_IS_E2(bp))
6030 BNX2X_PCI_ALLOC(sb->e2_sb,
6031 &bnx2x_fp(bp, i, status_blk_mapping),
6032 sizeof(struct host_hc_status_block_e2));
6033 else
6034 BNX2X_PCI_ALLOC(sb->e1x_sb,
6035 &bnx2x_fp(bp, i, status_blk_mapping),
6036 sizeof(struct host_hc_status_block_e1x));
6037#ifdef BCM_CNIC
6038 }
6039#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006040 set_sb_shortcuts(bp, i);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006041 }
6042 /* Rx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006043 for_each_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006044
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006045 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006046 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
6047 sizeof(struct sw_rx_bd) * NUM_RX_BD);
6048 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
6049 &bnx2x_fp(bp, i, rx_desc_mapping),
6050 sizeof(struct eth_rx_bd) * NUM_RX_BD);
6051
6052 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
6053 &bnx2x_fp(bp, i, rx_comp_mapping),
6054 sizeof(struct eth_fast_path_rx_cqe) *
6055 NUM_RCQ_BD);
6056
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006057 /* SGE ring */
6058 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
6059 sizeof(struct sw_rx_page) * NUM_RX_SGE);
6060 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
6061 &bnx2x_fp(bp, i, rx_sge_mapping),
6062 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006063 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006064 /* Tx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006065 for_each_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006066
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006067 /* fastpath tx rings: tx_buf tx_desc */
6068 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
6069 sizeof(struct sw_tx_bd) * NUM_TX_BD);
6070 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
6071 &bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07006072 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006073 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006074 /* end of fastpath */
6075
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006076#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006077 if (CHIP_IS_E2(bp))
6078 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
6079 sizeof(struct host_hc_status_block_e2));
6080 else
6081 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
6082 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006083
6084 /* allocate searcher T2 table */
6085 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
6086#endif
6087
6088
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006089 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006090 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006091
6092 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
6093 sizeof(struct bnx2x_slowpath));
6094
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006095 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006096
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006097 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
6098 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006099
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006100 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006101
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006102 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
6103 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006104
6105 /* Slow path ring */
6106 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6107
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006108 /* EQ */
6109 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
6110 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006111 return 0;
6112
6113alloc_mem_err:
6114 bnx2x_free_mem(bp);
6115 return -ENOMEM;
6116
6117#undef BNX2X_PCI_ALLOC
6118#undef BNX2X_ALLOC
6119}
6120
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006121/*
6122 * Init service functions
6123 */
stephen hemminger8d962862010-10-21 07:50:56 +00006124static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6125 int *state_p, int flags);
6126
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006127int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006128{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006129 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006130
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006131 /* Wait for completion */
6132 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6133 WAIT_RAMROD_COMMON);
6134}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006135
stephen hemminger8d962862010-10-21 07:50:56 +00006136static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006137{
6138 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006139
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006140 /* Wait for completion */
6141 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6142 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006143}
6144
Michael Chane665bfd2009-10-10 13:46:54 +00006145/**
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006146 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
Michael Chane665bfd2009-10-10 13:46:54 +00006147 *
6148 * @param bp driver descriptor
6149 * @param set set or clear an entry (1 or 0)
6150 * @param mac pointer to a buffer containing a MAC
6151 * @param cl_bit_vec bit vector of clients to register a MAC for
6152 * @param cam_offset offset in a CAM to use
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006153 * @param is_bcast is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006154 */
Joe Perches215faf92010-12-21 02:16:10 -08006155static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006156 u32 cl_bit_vec, u8 cam_offset,
6157 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006158{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006159 struct mac_configuration_cmd *config =
6160 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6161 int ramrod_flags = WAIT_RAMROD_COMMON;
6162
6163 bp->set_mac_pending = 1;
6164 smp_wmb();
6165
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006166 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006167 config->hdr.offset = cam_offset;
6168 config->hdr.client_id = 0xff;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006169 config->hdr.reserved1 = 0;
6170
6171 /* primary MAC */
6172 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006173 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006174 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006175 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006176 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006177 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006178 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006179 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006180 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006181 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006182 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006183 SET_FLAG(config->config_table[0].flags,
6184 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6185 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006186 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006187 SET_FLAG(config->config_table[0].flags,
6188 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6189 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006190
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006191 if (is_bcast)
6192 SET_FLAG(config->config_table[0].flags,
6193 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6194
6195 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006196 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006197 config->config_table[0].msb_mac_addr,
6198 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006199 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006200
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006201 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006202 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006203 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6204
6205 /* Wait for a completion */
6206 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006207}
6208
stephen hemminger8d962862010-10-21 07:50:56 +00006209static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6210 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006211{
6212 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006213 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006214 u8 poll = flags & WAIT_RAMROD_POLL;
6215 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006216
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006217 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6218 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006219
6220 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006221 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006222 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006223 if (common)
6224 bnx2x_eq_int(bp);
6225 else {
6226 bnx2x_rx_int(bp->fp, 10);
6227 /* if index is different from 0
6228 * the reply for some commands will
6229 * be on the non default queue
6230 */
6231 if (idx)
6232 bnx2x_rx_int(&bp->fp[idx], 10);
6233 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006234 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006235
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006236 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006237 if (*state_p == state) {
6238#ifdef BNX2X_STOP_ON_ERROR
6239 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6240#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006241 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006242 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006243
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006244 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006245
6246 if (bp->panic)
6247 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006248 }
6249
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006250 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006251 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6252 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006253#ifdef BNX2X_STOP_ON_ERROR
6254 bnx2x_panic();
6255#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006256
Eliezer Tamir49d66772008-02-28 11:53:13 -08006257 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006258}
6259
stephen hemminger8d962862010-10-21 07:50:56 +00006260static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006261{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006262 if (CHIP_IS_E1H(bp))
6263 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6264 else if (CHIP_MODE_IS_4_PORT(bp))
6265 return BP_FUNC(bp) * 32 + rel_offset;
6266 else
6267 return BP_VN(bp) * 32 + rel_offset;
Michael Chane665bfd2009-10-10 13:46:54 +00006268}
6269
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006270/**
6271 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6272 * relevant. In addition, current implementation is tuned for a
6273 * single ETH MAC.
6274 *
6275 * When multiple unicast ETH MACs PF configuration in switch
6276 * independent mode is required (NetQ, multiple netdev MACs,
6277 * etc.), consider better utilisation of 16 per function MAC
6278 * entries in the LLH memory.
6279 */
6280enum {
6281 LLH_CAM_ISCSI_ETH_LINE = 0,
6282 LLH_CAM_ETH_LINE,
6283 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6284};
6285
6286static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6287 int set,
6288 unsigned char *dev_addr,
6289 int index)
6290{
6291 u32 wb_data[2];
6292 u32 mem_offset, ena_offset, mem_index;
6293 /**
6294 * indexes mapping:
6295 * 0..7 - goes to MEM
6296 * 8..15 - goes to MEM2
6297 */
6298
6299 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6300 return;
6301
6302 /* calculate memory start offset according to the mapping
6303 * and index in the memory */
6304 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6305 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6306 NIG_REG_LLH0_FUNC_MEM;
6307 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6308 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6309 mem_index = index;
6310 } else {
6311 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6312 NIG_REG_P0_LLH_FUNC_MEM2;
6313 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6314 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6315 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6316 }
6317
6318 if (set) {
6319 /* LLH_FUNC_MEM is a u64 WB register */
6320 mem_offset += 8*mem_index;
6321
6322 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6323 (dev_addr[4] << 8) | dev_addr[5]);
6324 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6325
6326 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6327 }
6328
6329 /* enable/disable the entry */
6330 REG_WR(bp, ena_offset + 4*mem_index, set);
6331
6332}
6333
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006334void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006335{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006336 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6337 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6338
6339 /* networking MAC */
6340 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6341 (1 << bp->fp->cl_id), cam_offset , 0);
6342
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006343 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6344
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006345 if (CHIP_IS_E1(bp)) {
6346 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006347 static const u8 bcast[ETH_ALEN] = {
6348 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6349 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006350 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6351 }
6352}
6353static void bnx2x_set_e1_mc_list(struct bnx2x *bp, u8 offset)
6354{
6355 int i = 0, old;
6356 struct net_device *dev = bp->dev;
6357 struct netdev_hw_addr *ha;
6358 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6359 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6360
6361 netdev_for_each_mc_addr(ha, dev) {
6362 /* copy mac */
6363 config_cmd->config_table[i].msb_mac_addr =
6364 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6365 config_cmd->config_table[i].middle_mac_addr =
6366 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6367 config_cmd->config_table[i].lsb_mac_addr =
6368 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6369
6370 config_cmd->config_table[i].vlan_id = 0;
6371 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6372 config_cmd->config_table[i].clients_bit_vector =
6373 cpu_to_le32(1 << BP_L_ID(bp));
6374
6375 SET_FLAG(config_cmd->config_table[i].flags,
6376 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6377 T_ETH_MAC_COMMAND_SET);
6378
6379 DP(NETIF_MSG_IFUP,
6380 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6381 config_cmd->config_table[i].msb_mac_addr,
6382 config_cmd->config_table[i].middle_mac_addr,
6383 config_cmd->config_table[i].lsb_mac_addr);
6384 i++;
6385 }
6386 old = config_cmd->hdr.length;
6387 if (old > i) {
6388 for (; i < old; i++) {
6389 if (CAM_IS_INVALID(config_cmd->
6390 config_table[i])) {
6391 /* already invalidated */
6392 break;
6393 }
6394 /* invalidate */
6395 SET_FLAG(config_cmd->config_table[i].flags,
6396 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6397 T_ETH_MAC_COMMAND_INVALIDATE);
6398 }
6399 }
6400
6401 config_cmd->hdr.length = i;
6402 config_cmd->hdr.offset = offset;
6403 config_cmd->hdr.client_id = 0xff;
6404 config_cmd->hdr.reserved1 = 0;
6405
6406 bp->set_mac_pending = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006407 smp_wmb();
6408
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006409 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6410 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6411}
6412static void bnx2x_invlidate_e1_mc_list(struct bnx2x *bp)
6413{
6414 int i;
6415 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6416 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6417 int ramrod_flags = WAIT_RAMROD_COMMON;
6418
6419 bp->set_mac_pending = 1;
6420 smp_wmb();
6421
6422 for (i = 0; i < config_cmd->hdr.length; i++)
6423 SET_FLAG(config_cmd->config_table[i].flags,
6424 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6425 T_ETH_MAC_COMMAND_INVALIDATE);
6426
6427 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6428 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006429
6430 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006431 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6432 ramrod_flags);
6433
Michael Chane665bfd2009-10-10 13:46:54 +00006434}
6435
Michael Chan993ac7b2009-10-10 13:46:56 +00006436#ifdef BCM_CNIC
6437/**
6438 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
6439 * MAC(s). This function will wait until the ramdord completion
6440 * returns.
6441 *
6442 * @param bp driver handle
6443 * @param set set or clear the CAM entry
6444 *
6445 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6446 */
stephen hemminger8d962862010-10-21 07:50:56 +00006447static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006448{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006449 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6450 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006451 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6452 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006453 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006454 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006455
6456 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006457 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006458 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006459
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006460 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006461
6462 return 0;
6463}
6464
6465/**
6466 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
6467 * ETH MAC(s). This function will wait until the ramdord
6468 * completion returns.
6469 *
6470 * @param bp driver handle
6471 * @param set set or clear the CAM entry
6472 *
6473 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6474 */
6475int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6476{
6477 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6478 /**
6479 * CAM allocation for E1H
6480 * eth unicasts: by func number
6481 * iscsi: by func number
6482 * fip unicast: by func number
6483 * fip multicast: by func number
6484 */
6485 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6486 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6487
6488 return 0;
6489}
6490
6491int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6492{
6493 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6494
6495 /**
6496 * CAM allocation for E1H
6497 * eth unicasts: by func number
6498 * iscsi: by func number
6499 * fip unicast: by func number
6500 * fip multicast: by func number
6501 */
6502 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6503 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6504
Michael Chan993ac7b2009-10-10 13:46:56 +00006505 return 0;
6506}
6507#endif
6508
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006509static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6510 struct bnx2x_client_init_params *params,
6511 u8 activate,
6512 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006513{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006514 /* Clear the buffer */
6515 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006516
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006517 /* general */
6518 data->general.client_id = params->rxq_params.cl_id;
6519 data->general.statistics_counter_id = params->rxq_params.stat_id;
6520 data->general.statistics_en_flg =
6521 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006522 data->general.is_fcoe_flg =
6523 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006524 data->general.activate_flg = activate;
6525 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006526
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006527 /* Rx data */
6528 data->rx.tpa_en_flg =
6529 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6530 data->rx.vmqueue_mode_en_flg = 0;
6531 data->rx.cache_line_alignment_log_size =
6532 params->rxq_params.cache_line_log;
6533 data->rx.enable_dynamic_hc =
6534 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6535 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6536 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6537 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6538
6539 /* We don't set drop flags */
6540 data->rx.drop_ip_cs_err_flg = 0;
6541 data->rx.drop_tcp_cs_err_flg = 0;
6542 data->rx.drop_ttl0_flg = 0;
6543 data->rx.drop_udp_cs_err_flg = 0;
6544
6545 data->rx.inner_vlan_removal_enable_flg =
6546 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6547 data->rx.outer_vlan_removal_enable_flg =
6548 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6549 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6550 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6551 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6552 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6553 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6554 data->rx.bd_page_base.lo =
6555 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6556 data->rx.bd_page_base.hi =
6557 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6558 data->rx.sge_page_base.lo =
6559 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6560 data->rx.sge_page_base.hi =
6561 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6562 data->rx.cqe_page_base.lo =
6563 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6564 data->rx.cqe_page_base.hi =
6565 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6566 data->rx.is_leading_rss =
6567 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6568 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6569
6570 /* Tx data */
6571 data->tx.enforce_security_flg = 0; /* VF specific */
6572 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6573 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6574 data->tx.mtu = 0; /* VF specific */
6575 data->tx.tx_bd_page_base.lo =
6576 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6577 data->tx.tx_bd_page_base.hi =
6578 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6579
6580 /* flow control data */
6581 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6582 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6583 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6584 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6585 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6586 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6587 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6588
6589 data->fc.safc_group_num = params->txq_params.cos;
6590 data->fc.safc_group_en_flg =
6591 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006592 data->fc.traffic_type =
6593 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6594 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006595}
6596
6597static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6598{
6599 /* ustorm cxt validation */
6600 cxt->ustorm_ag_context.cdu_usage =
6601 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6602 ETH_CONNECTION_TYPE);
6603 /* xcontext validation */
6604 cxt->xstorm_ag_context.cdu_reserved =
6605 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6606 ETH_CONNECTION_TYPE);
6607}
6608
stephen hemminger8d962862010-10-21 07:50:56 +00006609static int bnx2x_setup_fw_client(struct bnx2x *bp,
6610 struct bnx2x_client_init_params *params,
6611 u8 activate,
6612 struct client_init_ramrod_data *data,
6613 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006614{
6615 u16 hc_usec;
6616 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6617 int ramrod_flags = 0, rc;
6618
6619 /* HC and context validation values */
6620 hc_usec = params->txq_params.hc_rate ?
6621 1000000 / params->txq_params.hc_rate : 0;
6622 bnx2x_update_coalesce_sb_index(bp,
6623 params->txq_params.fw_sb_id,
6624 params->txq_params.sb_cq_index,
6625 !(params->txq_params.flags & QUEUE_FLG_HC),
6626 hc_usec);
6627
6628 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6629
6630 hc_usec = params->rxq_params.hc_rate ?
6631 1000000 / params->rxq_params.hc_rate : 0;
6632 bnx2x_update_coalesce_sb_index(bp,
6633 params->rxq_params.fw_sb_id,
6634 params->rxq_params.sb_cq_index,
6635 !(params->rxq_params.flags & QUEUE_FLG_HC),
6636 hc_usec);
6637
6638 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6639 params->rxq_params.cid);
6640
6641 /* zero stats */
6642 if (params->txq_params.flags & QUEUE_FLG_STATS)
6643 storm_memset_xstats_zero(bp, BP_PORT(bp),
6644 params->txq_params.stat_id);
6645
6646 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6647 storm_memset_ustats_zero(bp, BP_PORT(bp),
6648 params->rxq_params.stat_id);
6649 storm_memset_tstats_zero(bp, BP_PORT(bp),
6650 params->rxq_params.stat_id);
6651 }
6652
6653 /* Fill the ramrod data */
6654 bnx2x_fill_cl_init_data(bp, params, activate, data);
6655
6656 /* SETUP ramrod.
6657 *
6658 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6659 * barrier except from mmiowb() is needed to impose a
6660 * proper ordering of memory operations.
6661 */
6662 mmiowb();
6663
6664
6665 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6666 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006667
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006668 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006669 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6670 params->ramrod_params.index,
6671 params->ramrod_params.pstate,
6672 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006673 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006674}
6675
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006676/**
6677 * Configure interrupt mode according to current configuration.
6678 * In case of MSI-X it will also try to enable MSI-X.
6679 *
6680 * @param bp
6681 *
6682 * @return int
6683 */
6684static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006685{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006686 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006687
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006688 switch (bp->int_mode) {
6689 case INT_MODE_MSI:
6690 bnx2x_enable_msi(bp);
6691 /* falling through... */
6692 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006693 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006694 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006695 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006696 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006697 /* Set number of queues according to bp->multi_mode value */
6698 bnx2x_set_num_queues(bp);
6699
6700 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6701 bp->num_queues);
6702
6703 /* if we can't use MSI-X we only need one fp,
6704 * so try to enable MSI-X with the requested number of fp's
6705 * and fallback to MSI or legacy INTx with one fp
6706 */
6707 rc = bnx2x_enable_msix(bp);
6708 if (rc) {
6709 /* failed to enable MSI-X */
6710 if (bp->multi_mode)
6711 DP(NETIF_MSG_IFUP,
6712 "Multi requested but failed to "
6713 "enable MSI-X (%d), "
6714 "set number of queues to %d\n",
6715 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006716 1 + NONE_ETH_CONTEXT_USE);
6717 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006718
6719 if (!(bp->flags & DISABLE_MSI_FLAG))
6720 bnx2x_enable_msi(bp);
6721 }
6722
Eilon Greensteinca003922009-08-12 22:53:28 -07006723 break;
6724 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006725
6726 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006727}
6728
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006729/* must be called prioir to any HW initializations */
6730static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6731{
6732 return L2_ILT_LINES(bp);
6733}
6734
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006735void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006736{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006737 struct ilt_client_info *ilt_client;
6738 struct bnx2x_ilt *ilt = BP_ILT(bp);
6739 u16 line = 0;
6740
6741 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6742 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6743
6744 /* CDU */
6745 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6746 ilt_client->client_num = ILT_CLIENT_CDU;
6747 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6748 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6749 ilt_client->start = line;
6750 line += L2_ILT_LINES(bp);
6751#ifdef BCM_CNIC
6752 line += CNIC_ILT_LINES;
6753#endif
6754 ilt_client->end = line - 1;
6755
6756 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6757 "flags 0x%x, hw psz %d\n",
6758 ilt_client->start,
6759 ilt_client->end,
6760 ilt_client->page_size,
6761 ilt_client->flags,
6762 ilog2(ilt_client->page_size >> 12));
6763
6764 /* QM */
6765 if (QM_INIT(bp->qm_cid_count)) {
6766 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6767 ilt_client->client_num = ILT_CLIENT_QM;
6768 ilt_client->page_size = QM_ILT_PAGE_SZ;
6769 ilt_client->flags = 0;
6770 ilt_client->start = line;
6771
6772 /* 4 bytes for each cid */
6773 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6774 QM_ILT_PAGE_SZ);
6775
6776 ilt_client->end = line - 1;
6777
6778 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6779 "flags 0x%x, hw psz %d\n",
6780 ilt_client->start,
6781 ilt_client->end,
6782 ilt_client->page_size,
6783 ilt_client->flags,
6784 ilog2(ilt_client->page_size >> 12));
6785
6786 }
6787 /* SRC */
6788 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6789#ifdef BCM_CNIC
6790 ilt_client->client_num = ILT_CLIENT_SRC;
6791 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6792 ilt_client->flags = 0;
6793 ilt_client->start = line;
6794 line += SRC_ILT_LINES;
6795 ilt_client->end = line - 1;
6796
6797 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6798 "flags 0x%x, hw psz %d\n",
6799 ilt_client->start,
6800 ilt_client->end,
6801 ilt_client->page_size,
6802 ilt_client->flags,
6803 ilog2(ilt_client->page_size >> 12));
6804
6805#else
6806 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6807#endif
6808
6809 /* TM */
6810 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6811#ifdef BCM_CNIC
6812 ilt_client->client_num = ILT_CLIENT_TM;
6813 ilt_client->page_size = TM_ILT_PAGE_SZ;
6814 ilt_client->flags = 0;
6815 ilt_client->start = line;
6816 line += TM_ILT_LINES;
6817 ilt_client->end = line - 1;
6818
6819 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6820 "flags 0x%x, hw psz %d\n",
6821 ilt_client->start,
6822 ilt_client->end,
6823 ilt_client->page_size,
6824 ilt_client->flags,
6825 ilog2(ilt_client->page_size >> 12));
6826
6827#else
6828 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6829#endif
6830}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006831
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006832int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6833 int is_leading)
6834{
6835 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006836 int rc;
6837
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006838 /* reset IGU state skip FCoE L2 queue */
6839 if (!IS_FCOE_FP(fp))
6840 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006841 IGU_INT_ENABLE, 0);
6842
6843 params.ramrod_params.pstate = &fp->state;
6844 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6845 params.ramrod_params.index = fp->index;
6846 params.ramrod_params.cid = fp->cid;
6847
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006848#ifdef BCM_CNIC
6849 if (IS_FCOE_FP(fp))
6850 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6851
6852#endif
6853
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006854 if (is_leading)
6855 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6856
6857 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6858
6859 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6860
6861 rc = bnx2x_setup_fw_client(bp, &params, 1,
6862 bnx2x_sp(bp, client_init_data),
6863 bnx2x_sp_mapping(bp, client_init_data));
6864 return rc;
6865}
6866
stephen hemminger8d962862010-10-21 07:50:56 +00006867static int bnx2x_stop_fw_client(struct bnx2x *bp,
6868 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006869{
6870 int rc;
6871
6872 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6873
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006874 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006875 *p->pstate = BNX2X_FP_STATE_HALTING;
6876 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6877 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006878
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006879 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006880 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6881 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006882 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006883 return rc;
6884
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006885 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6886 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6887 p->cl_id, 0);
6888 /* Wait for completion */
6889 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6890 p->pstate, poll_flag);
6891 if (rc) /* timeout */
6892 return rc;
6893
6894
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006895 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006896 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006897
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006898 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006899 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6900 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006901 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006902}
6903
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006904static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006905{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006906 struct bnx2x_client_ramrod_params client_stop = {0};
6907 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006908
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006909 client_stop.index = index;
6910 client_stop.cid = fp->cid;
6911 client_stop.cl_id = fp->cl_id;
6912 client_stop.pstate = &(fp->state);
6913 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006914
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006915 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006916}
6917
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006918
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006919static void bnx2x_reset_func(struct bnx2x *bp)
6920{
6921 int port = BP_PORT(bp);
6922 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006923 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006924 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006925 (CHIP_IS_E2(bp) ?
6926 offsetof(struct hc_status_block_data_e2, common) :
6927 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006928 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6929 int pfid_offset = offsetof(struct pci_entity, pf_id);
6930
6931 /* Disable the function in the FW */
6932 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6933 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6934 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6935 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6936
6937 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006938 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006939 struct bnx2x_fastpath *fp = &bp->fp[i];
6940 REG_WR8(bp,
6941 BAR_CSTRORM_INTMEM +
6942 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6943 + pfunc_offset_fp + pfid_offset,
6944 HC_FUNCTION_DISABLED);
6945 }
6946
6947 /* SP SB */
6948 REG_WR8(bp,
6949 BAR_CSTRORM_INTMEM +
6950 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6951 pfunc_offset_sp + pfid_offset,
6952 HC_FUNCTION_DISABLED);
6953
6954
6955 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6956 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6957 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006958
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006959 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006960 if (bp->common.int_block == INT_BLOCK_HC) {
6961 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6962 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6963 } else {
6964 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6965 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6966 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006967
Michael Chan37b091b2009-10-10 13:46:55 +00006968#ifdef BCM_CNIC
6969 /* Disable Timer scan */
6970 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6971 /*
6972 * Wait for at least 10ms and up to 2 second for the timers scan to
6973 * complete
6974 */
6975 for (i = 0; i < 200; i++) {
6976 msleep(10);
6977 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6978 break;
6979 }
6980#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006981 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006982 bnx2x_clear_func_ilt(bp, func);
6983
6984 /* Timers workaround bug for E2: if this is vnic-3,
6985 * we need to set the entire ilt range for this timers.
6986 */
6987 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6988 struct ilt_client_info ilt_cli;
6989 /* use dummy TM client */
6990 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6991 ilt_cli.start = 0;
6992 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6993 ilt_cli.client_num = ILT_CLIENT_TM;
6994
6995 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6996 }
6997
6998 /* this assumes that reset_port() called before reset_func()*/
6999 if (CHIP_IS_E2(bp))
7000 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007001
7002 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007003}
7004
7005static void bnx2x_reset_port(struct bnx2x *bp)
7006{
7007 int port = BP_PORT(bp);
7008 u32 val;
7009
7010 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7011
7012 /* Do not rcv packets to BRB */
7013 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7014 /* Do not direct rcv packets that are not for MCP to the BRB */
7015 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7016 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7017
7018 /* Configure AEU */
7019 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7020
7021 msleep(100);
7022 /* Check for BRB port occupancy */
7023 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7024 if (val)
7025 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007026 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007027
7028 /* TODO: Close Doorbell port? */
7029}
7030
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007031static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7032{
7033 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007034 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007035
7036 switch (reset_code) {
7037 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7038 bnx2x_reset_port(bp);
7039 bnx2x_reset_func(bp);
7040 bnx2x_reset_common(bp);
7041 break;
7042
7043 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7044 bnx2x_reset_port(bp);
7045 bnx2x_reset_func(bp);
7046 break;
7047
7048 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7049 bnx2x_reset_func(bp);
7050 break;
7051
7052 default:
7053 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7054 break;
7055 }
7056}
7057
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007058#ifdef BCM_CNIC
7059static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7060{
7061 if (bp->flags & FCOE_MACS_SET) {
7062 if (!IS_MF_SD(bp))
7063 bnx2x_set_fip_eth_mac_addr(bp, 0);
7064
7065 bnx2x_set_all_enode_macs(bp, 0);
7066
7067 bp->flags &= ~FCOE_MACS_SET;
7068 }
7069}
7070#endif
7071
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007072void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007073{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007074 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007075 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007076 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007077
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007078 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007079 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007080 struct bnx2x_fastpath *fp = &bp->fp[i];
7081
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007082 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007083 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007084
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007085 if (!cnt) {
7086 BNX2X_ERR("timeout waiting for queue[%d]\n",
7087 i);
7088#ifdef BNX2X_STOP_ON_ERROR
7089 bnx2x_panic();
7090 return -EBUSY;
7091#else
7092 break;
7093#endif
7094 }
7095 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007096 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007097 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007098 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007099 /* Give HW time to discard old tx messages */
7100 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007101
Yitchak Gertner65abd742008-08-25 15:26:24 -07007102 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007103 /* invalidate mc list,
7104 * wait and poll (interrupts are off)
7105 */
7106 bnx2x_invlidate_e1_mc_list(bp);
7107 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007108
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007109 } else {
Yitchak Gertner65abd742008-08-25 15:26:24 -07007110 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7111
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007112 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007113
7114 for (i = 0; i < MC_HASH_SIZE; i++)
7115 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
7116 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007117
Michael Chan993ac7b2009-10-10 13:46:56 +00007118#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007119 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007120#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007121
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007122 if (unload_mode == UNLOAD_NORMAL)
7123 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007124
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007125 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007126 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007127
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007128 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007129 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007130 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007131 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007132 /* The mac address is written to entries 1-4 to
7133 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007134 u8 entry = (BP_E1HVN(bp) + 1)*8;
7135
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007136 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007137 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007138
7139 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7140 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007141 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007142
7143 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007144
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007145 } else
7146 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7147
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007148 /* Close multi and leading connections
7149 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007150 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007151
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007152 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007153#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007154 return;
7155#else
7156 goto unload_error;
7157#endif
7158
7159 rc = bnx2x_func_stop(bp);
7160 if (rc) {
7161 BNX2X_ERR("Function stop failed!\n");
7162#ifdef BNX2X_STOP_ON_ERROR
7163 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007164#else
7165 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007166#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007167 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007168#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007169unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007170#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007171 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007172 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007173 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007174 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7175 "%d, %d, %d\n", BP_PATH(bp),
7176 load_count[BP_PATH(bp)][0],
7177 load_count[BP_PATH(bp)][1],
7178 load_count[BP_PATH(bp)][2]);
7179 load_count[BP_PATH(bp)][0]--;
7180 load_count[BP_PATH(bp)][1 + port]--;
7181 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7182 "%d, %d, %d\n", BP_PATH(bp),
7183 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7184 load_count[BP_PATH(bp)][2]);
7185 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007186 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007187 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007188 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7189 else
7190 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7191 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007192
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007193 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7194 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7195 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007196
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007197 /* Disable HW interrupts, NAPI */
7198 bnx2x_netif_stop(bp, 1);
7199
7200 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007201 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007202
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007203 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007204 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007205
7206 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007207 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007208 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007209
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007210}
7211
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007212void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007213{
7214 u32 val;
7215
7216 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7217
7218 if (CHIP_IS_E1(bp)) {
7219 int port = BP_PORT(bp);
7220 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7221 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7222
7223 val = REG_RD(bp, addr);
7224 val &= ~(0x300);
7225 REG_WR(bp, addr, val);
7226 } else if (CHIP_IS_E1H(bp)) {
7227 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7228 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7229 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7230 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7231 }
7232}
7233
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007234/* Close gates #2, #3 and #4: */
7235static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7236{
7237 u32 val, addr;
7238
7239 /* Gates #2 and #4a are closed/opened for "not E1" only */
7240 if (!CHIP_IS_E1(bp)) {
7241 /* #4 */
7242 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7243 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7244 close ? (val | 0x1) : (val & (~(u32)1)));
7245 /* #2 */
7246 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7247 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7248 close ? (val | 0x1) : (val & (~(u32)1)));
7249 }
7250
7251 /* #3 */
7252 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7253 val = REG_RD(bp, addr);
7254 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7255
7256 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7257 close ? "closing" : "opening");
7258 mmiowb();
7259}
7260
7261#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7262
7263static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7264{
7265 /* Do some magic... */
7266 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7267 *magic_val = val & SHARED_MF_CLP_MAGIC;
7268 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7269}
7270
7271/* Restore the value of the `magic' bit.
7272 *
7273 * @param pdev Device handle.
7274 * @param magic_val Old value of the `magic' bit.
7275 */
7276static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7277{
7278 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007279 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7280 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7281 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7282}
7283
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007284/**
7285 * Prepares for MCP reset: takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007286 *
7287 * @param bp
7288 * @param magic_val Old value of 'magic' bit.
7289 */
7290static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7291{
7292 u32 shmem;
7293 u32 validity_offset;
7294
7295 DP(NETIF_MSG_HW, "Starting\n");
7296
7297 /* Set `magic' bit in order to save MF config */
7298 if (!CHIP_IS_E1(bp))
7299 bnx2x_clp_reset_prep(bp, magic_val);
7300
7301 /* Get shmem offset */
7302 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7303 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7304
7305 /* Clear validity map flags */
7306 if (shmem > 0)
7307 REG_WR(bp, shmem + validity_offset, 0);
7308}
7309
7310#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7311#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7312
7313/* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
7314 * depending on the HW type.
7315 *
7316 * @param bp
7317 */
7318static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7319{
7320 /* special handling for emulation and FPGA,
7321 wait 10 times longer */
7322 if (CHIP_REV_IS_SLOW(bp))
7323 msleep(MCP_ONE_TIMEOUT*10);
7324 else
7325 msleep(MCP_ONE_TIMEOUT);
7326}
7327
7328static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7329{
7330 u32 shmem, cnt, validity_offset, val;
7331 int rc = 0;
7332
7333 msleep(100);
7334
7335 /* Get shmem offset */
7336 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7337 if (shmem == 0) {
7338 BNX2X_ERR("Shmem 0 return failure\n");
7339 rc = -ENOTTY;
7340 goto exit_lbl;
7341 }
7342
7343 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7344
7345 /* Wait for MCP to come up */
7346 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7347 /* TBD: its best to check validity map of last port.
7348 * currently checks on port 0.
7349 */
7350 val = REG_RD(bp, shmem + validity_offset);
7351 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7352 shmem + validity_offset, val);
7353
7354 /* check that shared memory is valid. */
7355 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7356 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7357 break;
7358
7359 bnx2x_mcp_wait_one(bp);
7360 }
7361
7362 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7363
7364 /* Check that shared memory is valid. This indicates that MCP is up. */
7365 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7366 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7367 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7368 rc = -ENOTTY;
7369 goto exit_lbl;
7370 }
7371
7372exit_lbl:
7373 /* Restore the `magic' bit value */
7374 if (!CHIP_IS_E1(bp))
7375 bnx2x_clp_reset_done(bp, magic_val);
7376
7377 return rc;
7378}
7379
7380static void bnx2x_pxp_prep(struct bnx2x *bp)
7381{
7382 if (!CHIP_IS_E1(bp)) {
7383 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7384 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7385 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7386 mmiowb();
7387 }
7388}
7389
7390/*
7391 * Reset the whole chip except for:
7392 * - PCIE core
7393 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7394 * one reset bit)
7395 * - IGU
7396 * - MISC (including AEU)
7397 * - GRC
7398 * - RBCN, RBCP
7399 */
7400static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7401{
7402 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7403
7404 not_reset_mask1 =
7405 MISC_REGISTERS_RESET_REG_1_RST_HC |
7406 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7407 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7408
7409 not_reset_mask2 =
7410 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7411 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7412 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7413 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7414 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7415 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7416 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7417 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7418
7419 reset_mask1 = 0xffffffff;
7420
7421 if (CHIP_IS_E1(bp))
7422 reset_mask2 = 0xffff;
7423 else
7424 reset_mask2 = 0x1ffff;
7425
7426 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7427 reset_mask1 & (~not_reset_mask1));
7428 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7429 reset_mask2 & (~not_reset_mask2));
7430
7431 barrier();
7432 mmiowb();
7433
7434 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7435 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7436 mmiowb();
7437}
7438
7439static int bnx2x_process_kill(struct bnx2x *bp)
7440{
7441 int cnt = 1000;
7442 u32 val = 0;
7443 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7444
7445
7446 /* Empty the Tetris buffer, wait for 1s */
7447 do {
7448 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7449 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7450 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7451 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7452 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7453 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7454 ((port_is_idle_0 & 0x1) == 0x1) &&
7455 ((port_is_idle_1 & 0x1) == 0x1) &&
7456 (pgl_exp_rom2 == 0xffffffff))
7457 break;
7458 msleep(1);
7459 } while (cnt-- > 0);
7460
7461 if (cnt <= 0) {
7462 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7463 " are still"
7464 " outstanding read requests after 1s!\n");
7465 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7466 " port_is_idle_0=0x%08x,"
7467 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7468 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7469 pgl_exp_rom2);
7470 return -EAGAIN;
7471 }
7472
7473 barrier();
7474
7475 /* Close gates #2, #3 and #4 */
7476 bnx2x_set_234_gates(bp, true);
7477
7478 /* TBD: Indicate that "process kill" is in progress to MCP */
7479
7480 /* Clear "unprepared" bit */
7481 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7482 barrier();
7483
7484 /* Make sure all is written to the chip before the reset */
7485 mmiowb();
7486
7487 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7488 * PSWHST, GRC and PSWRD Tetris buffer.
7489 */
7490 msleep(1);
7491
7492 /* Prepare to chip reset: */
7493 /* MCP */
7494 bnx2x_reset_mcp_prep(bp, &val);
7495
7496 /* PXP */
7497 bnx2x_pxp_prep(bp);
7498 barrier();
7499
7500 /* reset the chip */
7501 bnx2x_process_kill_chip_reset(bp);
7502 barrier();
7503
7504 /* Recover after reset: */
7505 /* MCP */
7506 if (bnx2x_reset_mcp_comp(bp, val))
7507 return -EAGAIN;
7508
7509 /* PXP */
7510 bnx2x_pxp_prep(bp);
7511
7512 /* Open the gates #2, #3 and #4 */
7513 bnx2x_set_234_gates(bp, false);
7514
7515 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7516 * reset state, re-enable attentions. */
7517
7518 return 0;
7519}
7520
7521static int bnx2x_leader_reset(struct bnx2x *bp)
7522{
7523 int rc = 0;
7524 /* Try to recover after the failure */
7525 if (bnx2x_process_kill(bp)) {
7526 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7527 bp->dev->name);
7528 rc = -EAGAIN;
7529 goto exit_leader_reset;
7530 }
7531
7532 /* Clear "reset is in progress" bit and update the driver state */
7533 bnx2x_set_reset_done(bp);
7534 bp->recovery_state = BNX2X_RECOVERY_DONE;
7535
7536exit_leader_reset:
7537 bp->is_leader = 0;
7538 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7539 smp_wmb();
7540 return rc;
7541}
7542
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007543/* Assumption: runs under rtnl lock. This together with the fact
7544 * that it's called only from bnx2x_reset_task() ensure that it
7545 * will never be called when netif_running(bp->dev) is false.
7546 */
7547static void bnx2x_parity_recover(struct bnx2x *bp)
7548{
7549 DP(NETIF_MSG_HW, "Handling parity\n");
7550 while (1) {
7551 switch (bp->recovery_state) {
7552 case BNX2X_RECOVERY_INIT:
7553 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7554 /* Try to get a LEADER_LOCK HW lock */
7555 if (bnx2x_trylock_hw_lock(bp,
7556 HW_LOCK_RESOURCE_RESERVED_08))
7557 bp->is_leader = 1;
7558
7559 /* Stop the driver */
7560 /* If interface has been removed - break */
7561 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7562 return;
7563
7564 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7565 /* Ensure "is_leader" and "recovery_state"
7566 * update values are seen on other CPUs
7567 */
7568 smp_wmb();
7569 break;
7570
7571 case BNX2X_RECOVERY_WAIT:
7572 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7573 if (bp->is_leader) {
7574 u32 load_counter = bnx2x_get_load_cnt(bp);
7575 if (load_counter) {
7576 /* Wait until all other functions get
7577 * down.
7578 */
7579 schedule_delayed_work(&bp->reset_task,
7580 HZ/10);
7581 return;
7582 } else {
7583 /* If all other functions got down -
7584 * try to bring the chip back to
7585 * normal. In any case it's an exit
7586 * point for a leader.
7587 */
7588 if (bnx2x_leader_reset(bp) ||
7589 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7590 printk(KERN_ERR"%s: Recovery "
7591 "has failed. Power cycle is "
7592 "needed.\n", bp->dev->name);
7593 /* Disconnect this device */
7594 netif_device_detach(bp->dev);
7595 /* Block ifup for all function
7596 * of this ASIC until
7597 * "process kill" or power
7598 * cycle.
7599 */
7600 bnx2x_set_reset_in_progress(bp);
7601 /* Shut down the power */
7602 bnx2x_set_power_state(bp,
7603 PCI_D3hot);
7604 return;
7605 }
7606
7607 return;
7608 }
7609 } else { /* non-leader */
7610 if (!bnx2x_reset_is_done(bp)) {
7611 /* Try to get a LEADER_LOCK HW lock as
7612 * long as a former leader may have
7613 * been unloaded by the user or
7614 * released a leadership by another
7615 * reason.
7616 */
7617 if (bnx2x_trylock_hw_lock(bp,
7618 HW_LOCK_RESOURCE_RESERVED_08)) {
7619 /* I'm a leader now! Restart a
7620 * switch case.
7621 */
7622 bp->is_leader = 1;
7623 break;
7624 }
7625
7626 schedule_delayed_work(&bp->reset_task,
7627 HZ/10);
7628 return;
7629
7630 } else { /* A leader has completed
7631 * the "process kill". It's an exit
7632 * point for a non-leader.
7633 */
7634 bnx2x_nic_load(bp, LOAD_NORMAL);
7635 bp->recovery_state =
7636 BNX2X_RECOVERY_DONE;
7637 smp_wmb();
7638 return;
7639 }
7640 }
7641 default:
7642 return;
7643 }
7644 }
7645}
7646
7647/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7648 * scheduled on a general queue in order to prevent a dead lock.
7649 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007650static void bnx2x_reset_task(struct work_struct *work)
7651{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007652 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007653
7654#ifdef BNX2X_STOP_ON_ERROR
7655 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7656 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007657 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007658 return;
7659#endif
7660
7661 rtnl_lock();
7662
7663 if (!netif_running(bp->dev))
7664 goto reset_task_exit;
7665
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007666 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7667 bnx2x_parity_recover(bp);
7668 else {
7669 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7670 bnx2x_nic_load(bp, LOAD_NORMAL);
7671 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007672
7673reset_task_exit:
7674 rtnl_unlock();
7675}
7676
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007677/* end of nic load/unload */
7678
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007679/*
7680 * Init service functions
7681 */
7682
stephen hemminger8d962862010-10-21 07:50:56 +00007683static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007684{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007685 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7686 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7687 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007688}
7689
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007690static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007691{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007692 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007693
7694 /* Flush all outstanding writes */
7695 mmiowb();
7696
7697 /* Pretend to be function 0 */
7698 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007699 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007700
7701 /* From now we are in the "like-E1" mode */
7702 bnx2x_int_disable(bp);
7703
7704 /* Flush all outstanding writes */
7705 mmiowb();
7706
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007707 /* Restore the original function */
7708 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7709 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007710}
7711
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007712static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007713{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007714 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007715 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007716 else
7717 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007718}
7719
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007720static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007721{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007722 u32 val;
7723
7724 /* Check if there is any driver already loaded */
7725 val = REG_RD(bp, MISC_REG_UNPREPARED);
7726 if (val == 0x1) {
7727 /* Check if it is the UNDI driver
7728 * UNDI driver initializes CID offset for normal bell to 0x7
7729 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007730 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007731 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7732 if (val == 0x7) {
7733 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007734 /* save our pf_num */
7735 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007736 u32 swap_en;
7737 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007738
Eilon Greensteinb4661732009-01-14 06:43:56 +00007739 /* clear the UNDI indication */
7740 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7741
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007742 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7743
7744 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007745 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007746 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007747 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007748 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007749 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007750
7751 /* if UNDI is loaded on the other port */
7752 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7753
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007754 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007755 bnx2x_fw_command(bp,
7756 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007757
7758 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007759 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007760 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007761 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007762 DRV_MSG_SEQ_NUMBER_MASK);
7763 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007764
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007765 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007766 }
7767
Eilon Greensteinb4661732009-01-14 06:43:56 +00007768 /* now it's safe to release the lock */
7769 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7770
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007771 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007772
7773 /* close input traffic and wait for it */
7774 /* Do not rcv packets to BRB */
7775 REG_WR(bp,
7776 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7777 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7778 /* Do not direct rcv packets that are not for MCP to
7779 * the BRB */
7780 REG_WR(bp,
7781 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7782 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7783 /* clear AEU */
7784 REG_WR(bp,
7785 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7786 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7787 msleep(10);
7788
7789 /* save NIG port swap info */
7790 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7791 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007792 /* reset device */
7793 REG_WR(bp,
7794 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007795 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007796 REG_WR(bp,
7797 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7798 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007799 /* take the NIG out of reset and restore swap values */
7800 REG_WR(bp,
7801 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7802 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7803 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7804 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7805
7806 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007807 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007808
7809 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007810 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007811 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007812 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007813 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007814 } else
7815 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007816 }
7817}
7818
7819static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7820{
7821 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007822 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007823
7824 /* Get the chip revision id and number. */
7825 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7826 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7827 id = ((val & 0xffff) << 16);
7828 val = REG_RD(bp, MISC_REG_CHIP_REV);
7829 id |= ((val & 0xf) << 12);
7830 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7831 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007832 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007833 id |= (val & 0xf);
7834 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007835
7836 /* Set doorbell size */
7837 bp->db_size = (1 << BNX2X_DB_SHIFT);
7838
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007839 if (CHIP_IS_E2(bp)) {
7840 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7841 if ((val & 1) == 0)
7842 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7843 else
7844 val = (val >> 1) & 1;
7845 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7846 "2_PORT_MODE");
7847 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7848 CHIP_2_PORT_MODE;
7849
7850 if (CHIP_MODE_IS_4_PORT(bp))
7851 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7852 else
7853 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7854 } else {
7855 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7856 bp->pfid = bp->pf_num; /* 0..7 */
7857 }
7858
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007859 /*
7860 * set base FW non-default (fast path) status block id, this value is
7861 * used to initialize the fw_sb_id saved on the fp/queue structure to
7862 * determine the id used by the FW.
7863 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007864 if (CHIP_IS_E1x(bp))
7865 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7866 else /* E2 */
7867 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7868
7869 bp->link_params.chip_id = bp->common.chip_id;
7870 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007871
Eilon Greenstein1c063282009-02-12 08:36:43 +00007872 val = (REG_RD(bp, 0x2874) & 0x55);
7873 if ((bp->common.chip_id & 0x1) ||
7874 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7875 bp->flags |= ONE_PORT_FLAG;
7876 BNX2X_DEV_INFO("single port device\n");
7877 }
7878
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007879 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7880 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7881 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7882 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7883 bp->common.flash_size, bp->common.flash_size);
7884
7885 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007886 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7887 MISC_REG_GENERIC_CR_1 :
7888 MISC_REG_GENERIC_CR_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007889 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007890 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007891 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7892 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007893
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007894 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007895 BNX2X_DEV_INFO("MCP not active\n");
7896 bp->flags |= NO_MCP_FLAG;
7897 return;
7898 }
7899
7900 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7901 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7902 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007903 BNX2X_ERR("BAD MCP validity signature\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007904
7905 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007906 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007907
7908 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7909 SHARED_HW_CFG_LED_MODE_MASK) >>
7910 SHARED_HW_CFG_LED_MODE_SHIFT);
7911
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007912 bp->link_params.feature_config_flags = 0;
7913 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7914 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7915 bp->link_params.feature_config_flags |=
7916 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7917 else
7918 bp->link_params.feature_config_flags &=
7919 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7920
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007921 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7922 bp->common.bc_ver = val;
7923 BNX2X_DEV_INFO("bc_ver %X\n", val);
7924 if (val < BNX2X_BC_VER) {
7925 /* for now only warn
7926 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007927 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7928 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007929 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007930 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007931 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007932 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7933
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007934 bp->link_params.feature_config_flags |=
7935 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7936 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007937
7938 if (BP_E1HVN(bp) == 0) {
7939 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7940 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7941 } else {
7942 /* no WOL capability for E1HVN != 0 */
7943 bp->flags |= NO_WOL_FLAG;
7944 }
7945 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007946 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007947
7948 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7949 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7950 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7951 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7952
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007953 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7954 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007955}
7956
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007957#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7958#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7959
7960static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7961{
7962 int pfid = BP_FUNC(bp);
7963 int vn = BP_E1HVN(bp);
7964 int igu_sb_id;
7965 u32 val;
7966 u8 fid;
7967
7968 bp->igu_base_sb = 0xff;
7969 bp->igu_sb_cnt = 0;
7970 if (CHIP_INT_MODE_IS_BC(bp)) {
7971 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007972 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007973
7974 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7975 FP_SB_MAX_E1x;
7976
7977 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7978 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7979
7980 return;
7981 }
7982
7983 /* IGU in normal mode - read CAM */
7984 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7985 igu_sb_id++) {
7986 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7987 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7988 continue;
7989 fid = IGU_FID(val);
7990 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7991 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7992 continue;
7993 if (IGU_VEC(val) == 0)
7994 /* default status block */
7995 bp->igu_dsb_id = igu_sb_id;
7996 else {
7997 if (bp->igu_base_sb == 0xff)
7998 bp->igu_base_sb = igu_sb_id;
7999 bp->igu_sb_cnt++;
8000 }
8001 }
8002 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008003 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8004 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008005 if (bp->igu_sb_cnt == 0)
8006 BNX2X_ERR("CAM configuration error\n");
8007}
8008
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008009static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
8010 u32 switch_cfg)
8011{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008012 int cfg_size = 0, idx, port = BP_PORT(bp);
8013
8014 /* Aggregation of supported attributes of all external phys */
8015 bp->port.supported[0] = 0;
8016 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008017 switch (bp->link_params.num_phys) {
8018 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008019 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
8020 cfg_size = 1;
8021 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008022 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008023 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
8024 cfg_size = 1;
8025 break;
8026 case 3:
8027 if (bp->link_params.multi_phy_config &
8028 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
8029 bp->port.supported[1] =
8030 bp->link_params.phy[EXT_PHY1].supported;
8031 bp->port.supported[0] =
8032 bp->link_params.phy[EXT_PHY2].supported;
8033 } else {
8034 bp->port.supported[0] =
8035 bp->link_params.phy[EXT_PHY1].supported;
8036 bp->port.supported[1] =
8037 bp->link_params.phy[EXT_PHY2].supported;
8038 }
8039 cfg_size = 2;
8040 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008041 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008042
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008043 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008044 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008045 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008046 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008047 dev_info.port_hw_config[port].external_phy_config),
8048 SHMEM_RD(bp,
8049 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008050 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008051 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008052
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008053 switch (switch_cfg) {
8054 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008055 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8056 port*0x10);
8057 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008058 break;
8059
8060 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008061 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8062 port*0x18);
8063 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008064 break;
8065
8066 default:
8067 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008068 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008069 return;
8070 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008071 /* mask what we support according to speed_cap_mask per configuration */
8072 for (idx = 0; idx < cfg_size; idx++) {
8073 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008074 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008075 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008076
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008077 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008078 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008079 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008080
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008081 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008082 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008083 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008084
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008085 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008086 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008087 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008088
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008089 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008090 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008091 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008092 SUPPORTED_1000baseT_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_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008096 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
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_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008100 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008101
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008102 }
8103
8104 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8105 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008106}
8107
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008108static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008109{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008110 u32 link_config, idx, cfg_size = 0;
8111 bp->port.advertising[0] = 0;
8112 bp->port.advertising[1] = 0;
8113 switch (bp->link_params.num_phys) {
8114 case 1:
8115 case 2:
8116 cfg_size = 1;
8117 break;
8118 case 3:
8119 cfg_size = 2;
8120 break;
8121 }
8122 for (idx = 0; idx < cfg_size; idx++) {
8123 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8124 link_config = bp->port.link_config[idx];
8125 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008126 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008127 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8128 bp->link_params.req_line_speed[idx] =
8129 SPEED_AUTO_NEG;
8130 bp->port.advertising[idx] |=
8131 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008132 } else {
8133 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008134 bp->link_params.req_line_speed[idx] =
8135 SPEED_10000;
8136 bp->port.advertising[idx] |=
8137 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008138 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008139 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008140 }
8141 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008142
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008143 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008144 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8145 bp->link_params.req_line_speed[idx] =
8146 SPEED_10;
8147 bp->port.advertising[idx] |=
8148 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008149 ADVERTISED_TP);
8150 } else {
8151 BNX2X_ERROR("NVRAM config error. "
8152 "Invalid link_config 0x%x"
8153 " speed_cap_mask 0x%x\n",
8154 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008155 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008156 return;
8157 }
8158 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008159
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008160 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008161 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8162 bp->link_params.req_line_speed[idx] =
8163 SPEED_10;
8164 bp->link_params.req_duplex[idx] =
8165 DUPLEX_HALF;
8166 bp->port.advertising[idx] |=
8167 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008168 ADVERTISED_TP);
8169 } else {
8170 BNX2X_ERROR("NVRAM config error. "
8171 "Invalid link_config 0x%x"
8172 " speed_cap_mask 0x%x\n",
8173 link_config,
8174 bp->link_params.speed_cap_mask[idx]);
8175 return;
8176 }
8177 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008178
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008179 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8180 if (bp->port.supported[idx] &
8181 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008182 bp->link_params.req_line_speed[idx] =
8183 SPEED_100;
8184 bp->port.advertising[idx] |=
8185 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008186 ADVERTISED_TP);
8187 } else {
8188 BNX2X_ERROR("NVRAM config error. "
8189 "Invalid link_config 0x%x"
8190 " speed_cap_mask 0x%x\n",
8191 link_config,
8192 bp->link_params.speed_cap_mask[idx]);
8193 return;
8194 }
8195 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008196
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008197 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8198 if (bp->port.supported[idx] &
8199 SUPPORTED_100baseT_Half) {
8200 bp->link_params.req_line_speed[idx] =
8201 SPEED_100;
8202 bp->link_params.req_duplex[idx] =
8203 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008204 bp->port.advertising[idx] |=
8205 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008206 ADVERTISED_TP);
8207 } else {
8208 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008209 "Invalid link_config 0x%x"
8210 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008211 link_config,
8212 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008213 return;
8214 }
8215 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008216
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008217 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008218 if (bp->port.supported[idx] &
8219 SUPPORTED_1000baseT_Full) {
8220 bp->link_params.req_line_speed[idx] =
8221 SPEED_1000;
8222 bp->port.advertising[idx] |=
8223 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008224 ADVERTISED_TP);
8225 } else {
8226 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008227 "Invalid link_config 0x%x"
8228 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008229 link_config,
8230 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008231 return;
8232 }
8233 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008234
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008235 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008236 if (bp->port.supported[idx] &
8237 SUPPORTED_2500baseX_Full) {
8238 bp->link_params.req_line_speed[idx] =
8239 SPEED_2500;
8240 bp->port.advertising[idx] |=
8241 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008242 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008243 } else {
8244 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008245 "Invalid link_config 0x%x"
8246 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008247 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008248 bp->link_params.speed_cap_mask[idx]);
8249 return;
8250 }
8251 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008252
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008253 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8254 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8255 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008256 if (bp->port.supported[idx] &
8257 SUPPORTED_10000baseT_Full) {
8258 bp->link_params.req_line_speed[idx] =
8259 SPEED_10000;
8260 bp->port.advertising[idx] |=
8261 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008262 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008263 } else {
8264 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008265 "Invalid link_config 0x%x"
8266 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008267 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008268 bp->link_params.speed_cap_mask[idx]);
8269 return;
8270 }
8271 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008272
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008273 default:
8274 BNX2X_ERROR("NVRAM config error. "
8275 "BAD link speed link_config 0x%x\n",
8276 link_config);
8277 bp->link_params.req_line_speed[idx] =
8278 SPEED_AUTO_NEG;
8279 bp->port.advertising[idx] =
8280 bp->port.supported[idx];
8281 break;
8282 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008283
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008284 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008285 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008286 if ((bp->link_params.req_flow_ctrl[idx] ==
8287 BNX2X_FLOW_CTRL_AUTO) &&
8288 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8289 bp->link_params.req_flow_ctrl[idx] =
8290 BNX2X_FLOW_CTRL_NONE;
8291 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008292
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008293 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8294 " 0x%x advertising 0x%x\n",
8295 bp->link_params.req_line_speed[idx],
8296 bp->link_params.req_duplex[idx],
8297 bp->link_params.req_flow_ctrl[idx],
8298 bp->port.advertising[idx]);
8299 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008300}
8301
Michael Chane665bfd2009-10-10 13:46:54 +00008302static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8303{
8304 mac_hi = cpu_to_be16(mac_hi);
8305 mac_lo = cpu_to_be32(mac_lo);
8306 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8307 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8308}
8309
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008310static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008311{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008312 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008313 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008314 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008315
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008316 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008317 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008318
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008319 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008320 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008321
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008322 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008323 SHMEM_RD(bp,
8324 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008325 bp->link_params.speed_cap_mask[1] =
8326 SHMEM_RD(bp,
8327 dev_info.port_hw_config[port].speed_capability_mask2);
8328 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008329 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8330
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008331 bp->port.link_config[1] =
8332 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008333
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008334 bp->link_params.multi_phy_config =
8335 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008336 /* If the device is capable of WoL, set the default state according
8337 * to the HW
8338 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008339 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008340 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8341 (config & PORT_FEATURE_WOL_ENABLED));
8342
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008343 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008344 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008345 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008346 bp->link_params.speed_cap_mask[0],
8347 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008348
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008349 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008350 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008351 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008352 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008353
8354 bnx2x_link_settings_requested(bp);
8355
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008356 /*
8357 * If connected directly, work with the internal PHY, otherwise, work
8358 * with the external PHY
8359 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008360 ext_phy_config =
8361 SHMEM_RD(bp,
8362 dev_info.port_hw_config[port].external_phy_config);
8363 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008364 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008365 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008366
8367 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8368 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8369 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008370 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008371
8372 /*
8373 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8374 * In MF mode, it is set to cover self test cases
8375 */
8376 if (IS_MF(bp))
8377 bp->port.need_hw_lock = 1;
8378 else
8379 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8380 bp->common.shmem_base,
8381 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008382}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008383
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008384#ifdef BCM_CNIC
8385static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8386{
8387 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8388 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8389 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8390 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8391
8392 /* Get the number of maximum allowed iSCSI and FCoE connections */
8393 bp->cnic_eth_dev.max_iscsi_conn =
8394 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8395 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8396
8397 bp->cnic_eth_dev.max_fcoe_conn =
8398 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8399 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8400
8401 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8402 bp->cnic_eth_dev.max_iscsi_conn,
8403 bp->cnic_eth_dev.max_fcoe_conn);
8404
8405 /* If mamimum allowed number of connections is zero -
8406 * disable the feature.
8407 */
8408 if (!bp->cnic_eth_dev.max_iscsi_conn)
8409 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8410
8411 if (!bp->cnic_eth_dev.max_fcoe_conn)
8412 bp->flags |= NO_FCOE_FLAG;
8413}
8414#endif
8415
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008416static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8417{
8418 u32 val, val2;
8419 int func = BP_ABS_FUNC(bp);
8420 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008421#ifdef BCM_CNIC
8422 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8423 u8 *fip_mac = bp->fip_mac;
8424#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008425
8426 if (BP_NOMCP(bp)) {
8427 BNX2X_ERROR("warning: random MAC workaround active\n");
8428 random_ether_addr(bp->dev->dev_addr);
8429 } else if (IS_MF(bp)) {
8430 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8431 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8432 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8433 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8434 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8435
8436#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008437 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8438 * FCoE MAC then the appropriate feature should be disabled.
8439 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008440 if (IS_MF_SI(bp)) {
8441 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8442 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8443 val2 = MF_CFG_RD(bp, func_ext_config[func].
8444 iscsi_mac_addr_upper);
8445 val = MF_CFG_RD(bp, func_ext_config[func].
8446 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008447 BNX2X_DEV_INFO("Read iSCSI MAC: "
8448 "0x%x:0x%04x\n", val2, val);
8449 bnx2x_set_mac_buf(iscsi_mac, val, val2);
8450
8451 /* Disable iSCSI OOO if MAC configuration is
8452 * invalid.
8453 */
8454 if (!is_valid_ether_addr(iscsi_mac)) {
8455 bp->flags |= NO_ISCSI_OOO_FLAG |
8456 NO_ISCSI_FLAG;
8457 memset(iscsi_mac, 0, ETH_ALEN);
8458 }
8459 } else
8460 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8461
8462 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8463 val2 = MF_CFG_RD(bp, func_ext_config[func].
8464 fcoe_mac_addr_upper);
8465 val = MF_CFG_RD(bp, func_ext_config[func].
8466 fcoe_mac_addr_lower);
8467 BNX2X_DEV_INFO("Read FCoE MAC to "
8468 "0x%x:0x%04x\n", val2, val);
8469 bnx2x_set_mac_buf(fip_mac, val, val2);
8470
8471 /* Disable FCoE if MAC configuration is
8472 * invalid.
8473 */
8474 if (!is_valid_ether_addr(fip_mac)) {
8475 bp->flags |= NO_FCOE_FLAG;
8476 memset(bp->fip_mac, 0, ETH_ALEN);
8477 }
8478 } else
8479 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008480 }
8481#endif
8482 } else {
8483 /* in SF read MACs from port configuration */
8484 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8485 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8486 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8487
8488#ifdef BCM_CNIC
8489 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8490 iscsi_mac_upper);
8491 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8492 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008493 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008494#endif
8495 }
8496
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008497 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8498 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008499
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008500#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008501 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008502 if (!CHIP_IS_E1x(bp)) {
8503 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008504 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8505 else if (!IS_MF(bp))
8506 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008507 }
8508#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008509}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008510
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008511static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8512{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008513 int /*abs*/func = BP_ABS_FUNC(bp);
8514 int vn, port;
8515 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008516 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008517
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008518 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008519
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008520 if (CHIP_IS_E1x(bp)) {
8521 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008522
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008523 bp->igu_dsb_id = DEF_SB_IGU_ID;
8524 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008525 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8526 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008527 } else {
8528 bp->common.int_block = INT_BLOCK_IGU;
8529 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8530 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8531 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8532 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8533 } else
8534 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8535
8536 bnx2x_get_igu_cam_info(bp);
8537
8538 }
8539 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8540 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8541
8542 /*
8543 * Initialize MF configuration
8544 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008545
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008546 bp->mf_ov = 0;
8547 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008548 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008549 port = BP_PORT(bp);
8550
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008551 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008552 DP(NETIF_MSG_PROBE,
8553 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8554 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8555 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008556 if (SHMEM2_HAS(bp, mf_cfg_addr))
8557 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8558 else
8559 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008560 offsetof(struct shmem_region, func_mb) +
8561 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008562 /*
8563 * get mf configuration:
8564 * 1. existance of MF configuration
8565 * 2. MAC address must be legal (check only upper bytes)
8566 * for Switch-Independent mode;
8567 * OVLAN must be legal for Switch-Dependent mode
8568 * 3. SF_MODE configures specific MF mode
8569 */
8570 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8571 /* get mf configuration */
8572 val = SHMEM_RD(bp,
8573 dev_info.shared_feature_config.config);
8574 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008575
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008576 switch (val) {
8577 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8578 val = MF_CFG_RD(bp, func_mf_config[func].
8579 mac_upper);
8580 /* check for legal mac (upper bytes)*/
8581 if (val != 0xffff) {
8582 bp->mf_mode = MULTI_FUNCTION_SI;
8583 bp->mf_config[vn] = MF_CFG_RD(bp,
8584 func_mf_config[func].config);
8585 } else
8586 DP(NETIF_MSG_PROBE, "illegal MAC "
8587 "address for SI\n");
8588 break;
8589 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8590 /* get OV configuration */
8591 val = MF_CFG_RD(bp,
8592 func_mf_config[FUNC_0].e1hov_tag);
8593 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8594
8595 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8596 bp->mf_mode = MULTI_FUNCTION_SD;
8597 bp->mf_config[vn] = MF_CFG_RD(bp,
8598 func_mf_config[func].config);
8599 } else
8600 DP(NETIF_MSG_PROBE, "illegal OV for "
8601 "SD\n");
8602 break;
8603 default:
8604 /* Unknown configuration: reset mf_config */
8605 bp->mf_config[vn] = 0;
8606 DP(NETIF_MSG_PROBE, "Unkown MF mode 0x%x\n",
8607 val);
8608 }
8609 }
8610
Eilon Greenstein2691d512009-08-12 08:22:08 +00008611 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008612 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008613
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008614 switch (bp->mf_mode) {
8615 case MULTI_FUNCTION_SD:
8616 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8617 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008618 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008619 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008620 BNX2X_DEV_INFO("MF OV for func %d is %d"
8621 " (0x%04x)\n", func,
8622 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008623 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008624 BNX2X_ERR("No valid MF OV for func %d,"
8625 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008626 rc = -EPERM;
8627 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008628 break;
8629 case MULTI_FUNCTION_SI:
8630 BNX2X_DEV_INFO("func %d is in MF "
8631 "switch-independent mode\n", func);
8632 break;
8633 default:
8634 if (vn) {
8635 BNX2X_ERR("VN %d in single function mode,"
8636 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008637 rc = -EPERM;
8638 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008639 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008640 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008641
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008642 }
8643
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008644 /* adjust igu_sb_cnt to MF for E1x */
8645 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008646 bp->igu_sb_cnt /= E1HVN_MAX;
8647
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008648 /*
8649 * adjust E2 sb count: to be removed when FW will support
8650 * more then 16 L2 clients
8651 */
8652#define MAX_L2_CLIENTS 16
8653 if (CHIP_IS_E2(bp))
8654 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8655 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8656
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008657 if (!BP_NOMCP(bp)) {
8658 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008659
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008660 bp->fw_seq =
8661 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8662 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008663 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8664 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008665
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008666 /* Get MAC addresses */
8667 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008668
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008669#ifdef BCM_CNIC
8670 bnx2x_get_cnic_info(bp);
8671#endif
8672
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008673 return rc;
8674}
8675
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008676static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8677{
8678 int cnt, i, block_end, rodi;
8679 char vpd_data[BNX2X_VPD_LEN+1];
8680 char str_id_reg[VENDOR_ID_LEN+1];
8681 char str_id_cap[VENDOR_ID_LEN+1];
8682 u8 len;
8683
8684 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8685 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8686
8687 if (cnt < BNX2X_VPD_LEN)
8688 goto out_not_found;
8689
8690 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8691 PCI_VPD_LRDT_RO_DATA);
8692 if (i < 0)
8693 goto out_not_found;
8694
8695
8696 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8697 pci_vpd_lrdt_size(&vpd_data[i]);
8698
8699 i += PCI_VPD_LRDT_TAG_SIZE;
8700
8701 if (block_end > BNX2X_VPD_LEN)
8702 goto out_not_found;
8703
8704 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8705 PCI_VPD_RO_KEYWORD_MFR_ID);
8706 if (rodi < 0)
8707 goto out_not_found;
8708
8709 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8710
8711 if (len != VENDOR_ID_LEN)
8712 goto out_not_found;
8713
8714 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8715
8716 /* vendor specific info */
8717 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8718 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8719 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8720 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8721
8722 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8723 PCI_VPD_RO_KEYWORD_VENDOR0);
8724 if (rodi >= 0) {
8725 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8726
8727 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8728
8729 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8730 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8731 bp->fw_ver[len] = ' ';
8732 }
8733 }
8734 return;
8735 }
8736out_not_found:
8737 return;
8738}
8739
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008740static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8741{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008742 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008743 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008744 int rc;
8745
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008746 /* Disable interrupt handling until HW is initialized */
8747 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008748 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008749
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008750 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008751 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008752 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008753#ifdef BCM_CNIC
8754 mutex_init(&bp->cnic_mutex);
8755#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008756
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008757 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008758 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008759
8760 rc = bnx2x_get_hwinfo(bp);
8761
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008762 if (!rc)
8763 rc = bnx2x_alloc_mem_bp(bp);
8764
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008765 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008766
8767 func = BP_FUNC(bp);
8768
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008769 /* need to reset chip if undi was active */
8770 if (!BP_NOMCP(bp))
8771 bnx2x_undi_unload(bp);
8772
8773 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008774 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008775
8776 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008777 dev_err(&bp->pdev->dev, "MCP disabled, "
8778 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008779
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008780 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008781 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008782
Dmitry Kravkov4fd89b72010-04-01 19:45:34 -07008783 bp->dev->features |= NETIF_F_GRO;
8784
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008785 /* Set TPA flags */
8786 if (disable_tpa) {
8787 bp->flags &= ~TPA_ENABLE_FLAG;
8788 bp->dev->features &= ~NETIF_F_LRO;
8789 } else {
8790 bp->flags |= TPA_ENABLE_FLAG;
8791 bp->dev->features |= NETIF_F_LRO;
8792 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008793 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008794
Eilon Greensteina18f5122009-08-12 08:23:26 +00008795 if (CHIP_IS_E1(bp))
8796 bp->dropless_fc = 0;
8797 else
8798 bp->dropless_fc = dropless_fc;
8799
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008800 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008801
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008802 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008803
8804 bp->rx_csum = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008805
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008806 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008807 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8808 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008809
Eilon Greenstein87942b42009-02-12 08:36:49 +00008810 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8811 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008812
8813 init_timer(&bp->timer);
8814 bp->timer.expires = jiffies + bp->current_interval;
8815 bp->timer.data = (unsigned long) bp;
8816 bp->timer.function = bnx2x_timer;
8817
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008818 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008819 bnx2x_dcbx_init_params(bp);
8820
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008821 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008822}
8823
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008824
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008825/****************************************************************************
8826* General service functions
8827****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008828
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008829/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008830static int bnx2x_open(struct net_device *dev)
8831{
8832 struct bnx2x *bp = netdev_priv(dev);
8833
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008834 netif_carrier_off(dev);
8835
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008836 bnx2x_set_power_state(bp, PCI_D0);
8837
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008838 if (!bnx2x_reset_is_done(bp)) {
8839 do {
8840 /* Reset MCP mail box sequence if there is on going
8841 * recovery
8842 */
8843 bp->fw_seq = 0;
8844
8845 /* If it's the first function to load and reset done
8846 * is still not cleared it may mean that. We don't
8847 * check the attention state here because it may have
8848 * already been cleared by a "common" reset but we
8849 * shell proceed with "process kill" anyway.
8850 */
8851 if ((bnx2x_get_load_cnt(bp) == 0) &&
8852 bnx2x_trylock_hw_lock(bp,
8853 HW_LOCK_RESOURCE_RESERVED_08) &&
8854 (!bnx2x_leader_reset(bp))) {
8855 DP(NETIF_MSG_HW, "Recovered in open\n");
8856 break;
8857 }
8858
8859 bnx2x_set_power_state(bp, PCI_D3hot);
8860
8861 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8862 " completed yet. Try again later. If u still see this"
8863 " message after a few retries then power cycle is"
8864 " required.\n", bp->dev->name);
8865
8866 return -EAGAIN;
8867 } while (0);
8868 }
8869
8870 bp->recovery_state = BNX2X_RECOVERY_DONE;
8871
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008872 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008873}
8874
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008875/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008876static int bnx2x_close(struct net_device *dev)
8877{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008878 struct bnx2x *bp = netdev_priv(dev);
8879
8880 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008881 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008882 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008883
8884 return 0;
8885}
8886
Eilon Greensteinf5372252009-02-12 08:38:30 +00008887/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008888void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008889{
8890 struct bnx2x *bp = netdev_priv(dev);
8891 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
8892 int port = BP_PORT(bp);
8893
8894 if (bp->state != BNX2X_STATE_OPEN) {
8895 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8896 return;
8897 }
8898
8899 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8900
8901 if (dev->flags & IFF_PROMISC)
8902 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008903 else if ((dev->flags & IFF_ALLMULTI) ||
Jiri Pirko4cd24ea2010-02-08 04:30:35 +00008904 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
8905 CHIP_IS_E1(bp)))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008906 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008907 else { /* some multicasts */
8908 if (CHIP_IS_E1(bp)) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008909 /*
8910 * set mc list, do not wait as wait implies sleep
8911 * and set_rx_mode can be invoked from non-sleepable
8912 * context
8913 */
8914 u8 offset = (CHIP_REV_IS_SLOW(bp) ?
8915 BNX2X_MAX_EMUL_MULTI*(1 + port) :
8916 BNX2X_MAX_MULTICAST*(1 + port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008917
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008918 bnx2x_set_e1_mc_list(bp, offset);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008919 } else { /* E1H */
8920 /* Accept one or more multicasts */
Jiri Pirko22bedad32010-04-01 21:22:57 +00008921 struct netdev_hw_addr *ha;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008922 u32 mc_filter[MC_HASH_SIZE];
8923 u32 crc, bit, regidx;
8924 int i;
8925
8926 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
8927
Jiri Pirko22bedad32010-04-01 21:22:57 +00008928 netdev_for_each_mc_addr(ha, dev) {
Johannes Berg7c510e42008-10-27 17:47:26 -07008929 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008930 bnx2x_mc_addr(ha));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008931
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008932 crc = crc32c_le(0, bnx2x_mc_addr(ha),
8933 ETH_ALEN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008934 bit = (crc >> 24) & 0xff;
8935 regidx = bit >> 5;
8936 bit &= 0x1f;
8937 mc_filter[regidx] |= (1 << bit);
8938 }
8939
8940 for (i = 0; i < MC_HASH_SIZE; i++)
8941 REG_WR(bp, MC_HASH_OFFSET(bp, i),
8942 mc_filter[i]);
8943 }
8944 }
8945
8946 bp->rx_mode = rx_mode;
8947 bnx2x_set_storm_rx_mode(bp);
8948}
8949
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008950/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008951static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8952 int devad, u16 addr)
8953{
8954 struct bnx2x *bp = netdev_priv(netdev);
8955 u16 value;
8956 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008957
8958 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
8959 prtad, devad, addr);
8960
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008961 /* The HW expects different devad if CL22 is used */
8962 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8963
8964 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008965 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008966 bnx2x_release_phy_lock(bp);
8967 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
8968
8969 if (!rc)
8970 rc = value;
8971 return rc;
8972}
8973
8974/* called with rtnl_lock */
8975static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
8976 u16 addr, u16 value)
8977{
8978 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008979 int rc;
8980
8981 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
8982 " value 0x%x\n", prtad, devad, addr, value);
8983
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008984 /* The HW expects different devad if CL22 is used */
8985 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8986
8987 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008988 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008989 bnx2x_release_phy_lock(bp);
8990 return rc;
8991}
8992
8993/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008994static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
8995{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008996 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008997 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008998
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008999 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9000 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009001
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009002 if (!netif_running(dev))
9003 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009004
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009005 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009006}
9007
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009008#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009009static void poll_bnx2x(struct net_device *dev)
9010{
9011 struct bnx2x *bp = netdev_priv(dev);
9012
9013 disable_irq(bp->pdev->irq);
9014 bnx2x_interrupt(bp->pdev->irq, dev);
9015 enable_irq(bp->pdev->irq);
9016}
9017#endif
9018
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009019static const struct net_device_ops bnx2x_netdev_ops = {
9020 .ndo_open = bnx2x_open,
9021 .ndo_stop = bnx2x_close,
9022 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009023 .ndo_select_queue = bnx2x_select_queue,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009024 .ndo_set_multicast_list = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009025 .ndo_set_mac_address = bnx2x_change_mac_addr,
9026 .ndo_validate_addr = eth_validate_addr,
9027 .ndo_do_ioctl = bnx2x_ioctl,
9028 .ndo_change_mtu = bnx2x_change_mtu,
9029 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009030#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009031 .ndo_poll_controller = poll_bnx2x,
9032#endif
9033};
9034
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009035static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9036 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009037{
9038 struct bnx2x *bp;
9039 int rc;
9040
9041 SET_NETDEV_DEV(dev, &pdev->dev);
9042 bp = netdev_priv(dev);
9043
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009044 bp->dev = dev;
9045 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009046 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009047 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009048
9049 rc = pci_enable_device(pdev);
9050 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009051 dev_err(&bp->pdev->dev,
9052 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009053 goto err_out;
9054 }
9055
9056 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009057 dev_err(&bp->pdev->dev,
9058 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009059 rc = -ENODEV;
9060 goto err_out_disable;
9061 }
9062
9063 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009064 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9065 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009066 rc = -ENODEV;
9067 goto err_out_disable;
9068 }
9069
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009070 if (atomic_read(&pdev->enable_cnt) == 1) {
9071 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9072 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009073 dev_err(&bp->pdev->dev,
9074 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009075 goto err_out_disable;
9076 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009077
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009078 pci_set_master(pdev);
9079 pci_save_state(pdev);
9080 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009081
9082 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9083 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009084 dev_err(&bp->pdev->dev,
9085 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009086 rc = -EIO;
9087 goto err_out_release;
9088 }
9089
9090 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9091 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009092 dev_err(&bp->pdev->dev,
9093 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009094 rc = -EIO;
9095 goto err_out_release;
9096 }
9097
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009098 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009099 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009100 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009101 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9102 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009103 rc = -EIO;
9104 goto err_out_release;
9105 }
9106
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009107 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009108 dev_err(&bp->pdev->dev,
9109 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009110 rc = -EIO;
9111 goto err_out_release;
9112 }
9113
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009114 dev->mem_start = pci_resource_start(pdev, 0);
9115 dev->base_addr = dev->mem_start;
9116 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009117
9118 dev->irq = pdev->irq;
9119
Arjan van de Ven275f1652008-10-20 21:42:39 -07009120 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009121 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009122 dev_err(&bp->pdev->dev,
9123 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009124 rc = -ENOMEM;
9125 goto err_out_release;
9126 }
9127
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009128 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009129 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009130 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009131 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009132 dev_err(&bp->pdev->dev,
9133 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009134 rc = -ENOMEM;
9135 goto err_out_unmap;
9136 }
9137
9138 bnx2x_set_power_state(bp, PCI_D0);
9139
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009140 /* clean indirect addresses */
9141 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9142 PCICFG_VENDOR_ID_OFFSET);
9143 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9144 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9145 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9146 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009147
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009148 /* Reset the load counter */
9149 bnx2x_clear_load_cnt(bp);
9150
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009151 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009152
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009153 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009154 bnx2x_set_ethtool_ops(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009155 dev->features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009156 dev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009157 if (bp->flags & USING_DAC_FLAG)
9158 dev->features |= NETIF_F_HIGHDMA;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009159 dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9160 dev->features |= NETIF_F_TSO6;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009161 dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009162
9163 dev->vlan_features |= NETIF_F_SG;
Michał Mirosław79032642010-11-30 06:38:00 +00009164 dev->vlan_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
Eilon Greenstein5316bc02009-07-21 05:47:43 +00009165 if (bp->flags & USING_DAC_FLAG)
9166 dev->vlan_features |= NETIF_F_HIGHDMA;
9167 dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
9168 dev->vlan_features |= NETIF_F_TSO6;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009169
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009170#ifdef BCM_DCB
9171 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9172#endif
9173
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009174 /* get_port_hwinfo() will set prtad and mmds properly */
9175 bp->mdio.prtad = MDIO_PRTAD_NONE;
9176 bp->mdio.mmds = 0;
9177 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9178 bp->mdio.dev = dev;
9179 bp->mdio.mdio_read = bnx2x_mdio_read;
9180 bp->mdio.mdio_write = bnx2x_mdio_write;
9181
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009182 return 0;
9183
9184err_out_unmap:
9185 if (bp->regview) {
9186 iounmap(bp->regview);
9187 bp->regview = NULL;
9188 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009189 if (bp->doorbells) {
9190 iounmap(bp->doorbells);
9191 bp->doorbells = NULL;
9192 }
9193
9194err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009195 if (atomic_read(&pdev->enable_cnt) == 1)
9196 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009197
9198err_out_disable:
9199 pci_disable_device(pdev);
9200 pci_set_drvdata(pdev, NULL);
9201
9202err_out:
9203 return rc;
9204}
9205
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009206static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9207 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009208{
9209 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9210
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009211 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9212
9213 /* return value of 1=2.5GHz 2=5GHz */
9214 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009215}
9216
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009217static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009218{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009219 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009220 struct bnx2x_fw_file_hdr *fw_hdr;
9221 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009222 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009223 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009224 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009225 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009226
9227 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9228 return -EINVAL;
9229
9230 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9231 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9232
9233 /* Make sure none of the offsets and sizes make us read beyond
9234 * the end of the firmware data */
9235 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9236 offset = be32_to_cpu(sections[i].offset);
9237 len = be32_to_cpu(sections[i].len);
9238 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009239 dev_err(&bp->pdev->dev,
9240 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009241 return -EINVAL;
9242 }
9243 }
9244
9245 /* Likewise for the init_ops offsets */
9246 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9247 ops_offsets = (u16 *)(firmware->data + offset);
9248 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9249
9250 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9251 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009252 dev_err(&bp->pdev->dev,
9253 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009254 return -EINVAL;
9255 }
9256 }
9257
9258 /* Check FW version */
9259 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9260 fw_ver = firmware->data + offset;
9261 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9262 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9263 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9264 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009265 dev_err(&bp->pdev->dev,
9266 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009267 fw_ver[0], fw_ver[1], fw_ver[2],
9268 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9269 BCM_5710_FW_MINOR_VERSION,
9270 BCM_5710_FW_REVISION_VERSION,
9271 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009272 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009273 }
9274
9275 return 0;
9276}
9277
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009278static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009279{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009280 const __be32 *source = (const __be32 *)_source;
9281 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009282 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009283
9284 for (i = 0; i < n/4; i++)
9285 target[i] = be32_to_cpu(source[i]);
9286}
9287
9288/*
9289 Ops array is stored in the following format:
9290 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9291 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009292static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009293{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009294 const __be32 *source = (const __be32 *)_source;
9295 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009296 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009297
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009298 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009299 tmp = be32_to_cpu(source[j]);
9300 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009301 target[i].offset = tmp & 0xffffff;
9302 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009303 }
9304}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009305
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009306/**
9307 * IRO array is stored in the following format:
9308 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9309 */
9310static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9311{
9312 const __be32 *source = (const __be32 *)_source;
9313 struct iro *target = (struct iro *)_target;
9314 u32 i, j, tmp;
9315
9316 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9317 target[i].base = be32_to_cpu(source[j]);
9318 j++;
9319 tmp = be32_to_cpu(source[j]);
9320 target[i].m1 = (tmp >> 16) & 0xffff;
9321 target[i].m2 = tmp & 0xffff;
9322 j++;
9323 tmp = be32_to_cpu(source[j]);
9324 target[i].m3 = (tmp >> 16) & 0xffff;
9325 target[i].size = tmp & 0xffff;
9326 j++;
9327 }
9328}
9329
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009330static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009331{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009332 const __be16 *source = (const __be16 *)_source;
9333 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009334 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009335
9336 for (i = 0; i < n/2; i++)
9337 target[i] = be16_to_cpu(source[i]);
9338}
9339
Joe Perches7995c642010-02-17 15:01:52 +00009340#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9341do { \
9342 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9343 bp->arr = kmalloc(len, GFP_KERNEL); \
9344 if (!bp->arr) { \
9345 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9346 goto lbl; \
9347 } \
9348 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9349 (u8 *)bp->arr, len); \
9350} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009351
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009352int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009353{
Ben Hutchings45229b42009-11-07 11:53:39 +00009354 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009355 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009356 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009357
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009358 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009359 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009360 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009361 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009362 else if (CHIP_IS_E2(bp))
9363 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009364 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009365 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009366 return -EINVAL;
9367 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009368
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009369 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009370
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009371 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009372 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009373 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009374 goto request_firmware_exit;
9375 }
9376
9377 rc = bnx2x_check_firmware(bp);
9378 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009379 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009380 goto request_firmware_exit;
9381 }
9382
9383 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9384
9385 /* Initialize the pointers to the init arrays */
9386 /* Blob */
9387 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9388
9389 /* Opcodes */
9390 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9391
9392 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009393 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9394 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009395
9396 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009397 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9398 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9399 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9400 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9401 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9402 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9403 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9404 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9405 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9406 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9407 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9408 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9409 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9410 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9411 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9412 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009413 /* IRO */
9414 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009415
9416 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009417
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009418iro_alloc_err:
9419 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009420init_offsets_alloc_err:
9421 kfree(bp->init_ops);
9422init_ops_alloc_err:
9423 kfree(bp->init_data);
9424request_firmware_exit:
9425 release_firmware(bp->firmware);
9426
9427 return rc;
9428}
9429
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009430static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9431{
9432 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009433
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009434#ifdef BCM_CNIC
9435 cid_count += CNIC_CID_MAX;
9436#endif
9437 return roundup(cid_count, QM_CID_ROUND);
9438}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009439
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009440static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9441 const struct pci_device_id *ent)
9442{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009443 struct net_device *dev = NULL;
9444 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009445 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009446 int rc, cid_count;
9447
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009448 switch (ent->driver_data) {
9449 case BCM57710:
9450 case BCM57711:
9451 case BCM57711E:
9452 cid_count = FP_SB_MAX_E1x;
9453 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009454
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009455 case BCM57712:
9456 case BCM57712E:
9457 cid_count = FP_SB_MAX_E2;
9458 break;
9459
9460 default:
9461 pr_err("Unknown board_type (%ld), aborting\n",
9462 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009463 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009464 }
9465
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009466 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009467
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009468 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009469 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009470 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009471 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009472 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009473 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009474
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009475 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009476 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009477
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009478 pci_set_drvdata(pdev, dev);
9479
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009480 bp->l2_cid_count = cid_count;
9481
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009482 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009483 if (rc < 0) {
9484 free_netdev(dev);
9485 return rc;
9486 }
9487
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009488 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009489 if (rc)
9490 goto init_one_exit;
9491
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009492 /* calc qm_cid_count */
9493 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9494
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009495#ifdef BCM_CNIC
9496 /* disable FCOE L2 queue for E1x*/
9497 if (CHIP_IS_E1x(bp))
9498 bp->flags |= NO_FCOE_FLAG;
9499
9500#endif
9501
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009502 /* Configure interupt mode: try to enable MSI-X/MSI if
9503 * needed, set bp->num_queues appropriately.
9504 */
9505 bnx2x_set_int_mode(bp);
9506
9507 /* Add all NAPI objects */
9508 bnx2x_add_all_napi(bp);
9509
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009510 rc = register_netdev(dev);
9511 if (rc) {
9512 dev_err(&pdev->dev, "Cannot register net device\n");
9513 goto init_one_exit;
9514 }
9515
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009516#ifdef BCM_CNIC
9517 if (!NO_FCOE(bp)) {
9518 /* Add storage MAC address */
9519 rtnl_lock();
9520 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9521 rtnl_unlock();
9522 }
9523#endif
9524
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009525 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009526
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009527 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9528 " IRQ %d, ", board_info[ent->driver_data].name,
9529 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009530 pcie_width,
9531 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9532 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9533 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009534 dev->base_addr, bp->pdev->irq);
9535 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009536
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009537 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009538
9539init_one_exit:
9540 if (bp->regview)
9541 iounmap(bp->regview);
9542
9543 if (bp->doorbells)
9544 iounmap(bp->doorbells);
9545
9546 free_netdev(dev);
9547
9548 if (atomic_read(&pdev->enable_cnt) == 1)
9549 pci_release_regions(pdev);
9550
9551 pci_disable_device(pdev);
9552 pci_set_drvdata(pdev, NULL);
9553
9554 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009555}
9556
9557static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9558{
9559 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009560 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009561
Eliezer Tamir228241e2008-02-28 11:56:57 -08009562 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009563 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009564 return;
9565 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009566 bp = netdev_priv(dev);
9567
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009568#ifdef BCM_CNIC
9569 /* Delete storage MAC address */
9570 if (!NO_FCOE(bp)) {
9571 rtnl_lock();
9572 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9573 rtnl_unlock();
9574 }
9575#endif
9576
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009577 unregister_netdev(dev);
9578
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009579 /* Delete all NAPI objects */
9580 bnx2x_del_all_napi(bp);
9581
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009582 /* Power on: we can't let PCI layer write to us while we are in D3 */
9583 bnx2x_set_power_state(bp, PCI_D0);
9584
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009585 /* Disable MSI/MSI-X */
9586 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009587
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009588 /* Power off */
9589 bnx2x_set_power_state(bp, PCI_D3hot);
9590
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009591 /* Make sure RESET task is not scheduled before continuing */
9592 cancel_delayed_work_sync(&bp->reset_task);
9593
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009594 if (bp->regview)
9595 iounmap(bp->regview);
9596
9597 if (bp->doorbells)
9598 iounmap(bp->doorbells);
9599
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009600 bnx2x_free_mem_bp(bp);
9601
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009602 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009603
9604 if (atomic_read(&pdev->enable_cnt) == 1)
9605 pci_release_regions(pdev);
9606
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009607 pci_disable_device(pdev);
9608 pci_set_drvdata(pdev, NULL);
9609}
9610
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009611static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9612{
9613 int i;
9614
9615 bp->state = BNX2X_STATE_ERROR;
9616
9617 bp->rx_mode = BNX2X_RX_MODE_NONE;
9618
9619 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009620 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009621
9622 del_timer_sync(&bp->timer);
9623 bp->stats_state = STATS_STATE_DISABLED;
9624 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9625
9626 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009627 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009628
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009629 /* Free SKBs, SGEs, TPA pool and driver internals */
9630 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009631
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009632 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009633 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009634
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009635 bnx2x_free_mem(bp);
9636
9637 bp->state = BNX2X_STATE_CLOSED;
9638
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009639 return 0;
9640}
9641
9642static void bnx2x_eeh_recover(struct bnx2x *bp)
9643{
9644 u32 val;
9645
9646 mutex_init(&bp->port.phy_mutex);
9647
9648 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9649 bp->link_params.shmem_base = bp->common.shmem_base;
9650 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9651
9652 if (!bp->common.shmem_base ||
9653 (bp->common.shmem_base < 0xA0000) ||
9654 (bp->common.shmem_base >= 0xC0000)) {
9655 BNX2X_DEV_INFO("MCP not active\n");
9656 bp->flags |= NO_MCP_FLAG;
9657 return;
9658 }
9659
9660 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9661 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9662 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9663 BNX2X_ERR("BAD MCP validity signature\n");
9664
9665 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009666 bp->fw_seq =
9667 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9668 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009669 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9670 }
9671}
9672
Wendy Xiong493adb12008-06-23 20:36:22 -07009673/**
9674 * bnx2x_io_error_detected - called when PCI error is detected
9675 * @pdev: Pointer to PCI device
9676 * @state: The current pci connection state
9677 *
9678 * This function is called after a PCI bus error affecting
9679 * this device has been detected.
9680 */
9681static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9682 pci_channel_state_t state)
9683{
9684 struct net_device *dev = pci_get_drvdata(pdev);
9685 struct bnx2x *bp = netdev_priv(dev);
9686
9687 rtnl_lock();
9688
9689 netif_device_detach(dev);
9690
Dean Nelson07ce50e42009-07-31 09:13:25 +00009691 if (state == pci_channel_io_perm_failure) {
9692 rtnl_unlock();
9693 return PCI_ERS_RESULT_DISCONNECT;
9694 }
9695
Wendy Xiong493adb12008-06-23 20:36:22 -07009696 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009697 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009698
9699 pci_disable_device(pdev);
9700
9701 rtnl_unlock();
9702
9703 /* Request a slot reset */
9704 return PCI_ERS_RESULT_NEED_RESET;
9705}
9706
9707/**
9708 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9709 * @pdev: Pointer to PCI device
9710 *
9711 * Restart the card from scratch, as if from a cold-boot.
9712 */
9713static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9714{
9715 struct net_device *dev = pci_get_drvdata(pdev);
9716 struct bnx2x *bp = netdev_priv(dev);
9717
9718 rtnl_lock();
9719
9720 if (pci_enable_device(pdev)) {
9721 dev_err(&pdev->dev,
9722 "Cannot re-enable PCI device after reset\n");
9723 rtnl_unlock();
9724 return PCI_ERS_RESULT_DISCONNECT;
9725 }
9726
9727 pci_set_master(pdev);
9728 pci_restore_state(pdev);
9729
9730 if (netif_running(dev))
9731 bnx2x_set_power_state(bp, PCI_D0);
9732
9733 rtnl_unlock();
9734
9735 return PCI_ERS_RESULT_RECOVERED;
9736}
9737
9738/**
9739 * bnx2x_io_resume - called when traffic can start flowing again
9740 * @pdev: Pointer to PCI device
9741 *
9742 * This callback is called when the error recovery driver tells us that
9743 * its OK to resume normal operation.
9744 */
9745static void bnx2x_io_resume(struct pci_dev *pdev)
9746{
9747 struct net_device *dev = pci_get_drvdata(pdev);
9748 struct bnx2x *bp = netdev_priv(dev);
9749
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009750 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009751 printk(KERN_ERR "Handling parity error recovery. "
9752 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009753 return;
9754 }
9755
Wendy Xiong493adb12008-06-23 20:36:22 -07009756 rtnl_lock();
9757
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009758 bnx2x_eeh_recover(bp);
9759
Wendy Xiong493adb12008-06-23 20:36:22 -07009760 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009761 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009762
9763 netif_device_attach(dev);
9764
9765 rtnl_unlock();
9766}
9767
9768static struct pci_error_handlers bnx2x_err_handler = {
9769 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009770 .slot_reset = bnx2x_io_slot_reset,
9771 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009772};
9773
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009774static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009775 .name = DRV_MODULE_NAME,
9776 .id_table = bnx2x_pci_tbl,
9777 .probe = bnx2x_init_one,
9778 .remove = __devexit_p(bnx2x_remove_one),
9779 .suspend = bnx2x_suspend,
9780 .resume = bnx2x_resume,
9781 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009782};
9783
9784static int __init bnx2x_init(void)
9785{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009786 int ret;
9787
Joe Perches7995c642010-02-17 15:01:52 +00009788 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009789
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009790 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9791 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009792 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009793 return -ENOMEM;
9794 }
9795
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009796 ret = pci_register_driver(&bnx2x_pci_driver);
9797 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009798 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009799 destroy_workqueue(bnx2x_wq);
9800 }
9801 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009802}
9803
9804static void __exit bnx2x_cleanup(void)
9805{
9806 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009807
9808 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009809}
9810
9811module_init(bnx2x_init);
9812module_exit(bnx2x_cleanup);
9813
Michael Chan993ac7b2009-10-10 13:46:56 +00009814#ifdef BCM_CNIC
9815
9816/* count denotes the number of new completions we have seen */
9817static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9818{
9819 struct eth_spe *spe;
9820
9821#ifdef BNX2X_STOP_ON_ERROR
9822 if (unlikely(bp->panic))
9823 return;
9824#endif
9825
9826 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009827 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009828 bp->cnic_spq_pending -= count;
9829
Michael Chan993ac7b2009-10-10 13:46:56 +00009830
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009831 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9832 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9833 & SPE_HDR_CONN_TYPE) >>
9834 SPE_HDR_CONN_TYPE_SHIFT;
9835
9836 /* Set validation for iSCSI L2 client before sending SETUP
9837 * ramrod
9838 */
9839 if (type == ETH_CONNECTION_TYPE) {
9840 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9841 hdr.conn_and_cmd_data) >>
9842 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9843
9844 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9845 bnx2x_set_ctx_validation(&bp->context.
9846 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9847 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9848 }
9849
9850 /* There may be not more than 8 L2 and COMMON SPEs and not more
9851 * than 8 L5 SPEs in the air.
9852 */
9853 if ((type == NONE_CONNECTION_TYPE) ||
9854 (type == ETH_CONNECTION_TYPE)) {
9855 if (!atomic_read(&bp->spq_left))
9856 break;
9857 else
9858 atomic_dec(&bp->spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009859 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9860 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009861 if (bp->cnic_spq_pending >=
9862 bp->cnic_eth_dev.max_kwqe_pending)
9863 break;
9864 else
9865 bp->cnic_spq_pending++;
9866 } else {
9867 BNX2X_ERR("Unknown SPE type: %d\n", type);
9868 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009869 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009870 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009871
9872 spe = bnx2x_sp_get_next(bp);
9873 *spe = *bp->cnic_kwq_cons;
9874
Michael Chan993ac7b2009-10-10 13:46:56 +00009875 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9876 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9877
9878 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9879 bp->cnic_kwq_cons = bp->cnic_kwq;
9880 else
9881 bp->cnic_kwq_cons++;
9882 }
9883 bnx2x_sp_prod_update(bp);
9884 spin_unlock_bh(&bp->spq_lock);
9885}
9886
9887static int bnx2x_cnic_sp_queue(struct net_device *dev,
9888 struct kwqe_16 *kwqes[], u32 count)
9889{
9890 struct bnx2x *bp = netdev_priv(dev);
9891 int i;
9892
9893#ifdef BNX2X_STOP_ON_ERROR
9894 if (unlikely(bp->panic))
9895 return -EIO;
9896#endif
9897
9898 spin_lock_bh(&bp->spq_lock);
9899
9900 for (i = 0; i < count; i++) {
9901 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9902
9903 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9904 break;
9905
9906 *bp->cnic_kwq_prod = *spe;
9907
9908 bp->cnic_kwq_pending++;
9909
9910 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9911 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009912 spe->data.update_data_addr.hi,
9913 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +00009914 bp->cnic_kwq_pending);
9915
9916 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9917 bp->cnic_kwq_prod = bp->cnic_kwq;
9918 else
9919 bp->cnic_kwq_prod++;
9920 }
9921
9922 spin_unlock_bh(&bp->spq_lock);
9923
9924 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9925 bnx2x_cnic_sp_post(bp, 0);
9926
9927 return i;
9928}
9929
9930static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9931{
9932 struct cnic_ops *c_ops;
9933 int rc = 0;
9934
9935 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +00009936 c_ops = rcu_dereference_protected(bp->cnic_ops,
9937 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +00009938 if (c_ops)
9939 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9940 mutex_unlock(&bp->cnic_mutex);
9941
9942 return rc;
9943}
9944
9945static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9946{
9947 struct cnic_ops *c_ops;
9948 int rc = 0;
9949
9950 rcu_read_lock();
9951 c_ops = rcu_dereference(bp->cnic_ops);
9952 if (c_ops)
9953 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9954 rcu_read_unlock();
9955
9956 return rc;
9957}
9958
9959/*
9960 * for commands that have no data
9961 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009962int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +00009963{
9964 struct cnic_ctl_info ctl = {0};
9965
9966 ctl.cmd = cmd;
9967
9968 return bnx2x_cnic_ctl_send(bp, &ctl);
9969}
9970
9971static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
9972{
9973 struct cnic_ctl_info ctl;
9974
9975 /* first we tell CNIC and only then we count this as a completion */
9976 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
9977 ctl.data.comp.cid = cid;
9978
9979 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009980 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +00009981}
9982
9983static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
9984{
9985 struct bnx2x *bp = netdev_priv(dev);
9986 int rc = 0;
9987
9988 switch (ctl->cmd) {
9989 case DRV_CTL_CTXTBL_WR_CMD: {
9990 u32 index = ctl->data.io.offset;
9991 dma_addr_t addr = ctl->data.io.dma_addr;
9992
9993 bnx2x_ilt_wr(bp, index, addr);
9994 break;
9995 }
9996
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009997 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
9998 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +00009999
10000 bnx2x_cnic_sp_post(bp, count);
10001 break;
10002 }
10003
10004 /* rtnl_lock is held. */
10005 case DRV_CTL_START_L2_CMD: {
10006 u32 cli = ctl->data.ring.client_id;
10007
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010008 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10009 bnx2x_del_fcoe_eth_macs(bp);
10010
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010011 /* Set iSCSI MAC address */
10012 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10013
10014 mmiowb();
10015 barrier();
10016
10017 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10018 * because it's the only way for UIO Client to accept
10019 * multicasts (in non-promiscuous mode only one Client per
10020 * function will receive multicast packets (leading in our
10021 * case).
10022 */
10023 bnx2x_rxq_set_mac_filters(bp, cli,
10024 BNX2X_ACCEPT_UNICAST |
10025 BNX2X_ACCEPT_BROADCAST |
10026 BNX2X_ACCEPT_ALL_MULTICAST);
10027 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10028
Michael Chan993ac7b2009-10-10 13:46:56 +000010029 break;
10030 }
10031
10032 /* rtnl_lock is held. */
10033 case DRV_CTL_STOP_L2_CMD: {
10034 u32 cli = ctl->data.ring.client_id;
10035
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010036 /* Stop accepting on iSCSI L2 ring */
10037 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10038 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10039
10040 mmiowb();
10041 barrier();
10042
10043 /* Unset iSCSI L2 MAC */
10044 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010045 break;
10046 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010047 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10048 int count = ctl->data.credit.credit_count;
10049
10050 smp_mb__before_atomic_inc();
10051 atomic_add(count, &bp->spq_left);
10052 smp_mb__after_atomic_inc();
10053 break;
10054 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010055
10056 default:
10057 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10058 rc = -EINVAL;
10059 }
10060
10061 return rc;
10062}
10063
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010064void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010065{
10066 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10067
10068 if (bp->flags & USING_MSIX_FLAG) {
10069 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10070 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10071 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10072 } else {
10073 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10074 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10075 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010076 if (CHIP_IS_E2(bp))
10077 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10078 else
10079 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10080
Michael Chan993ac7b2009-10-10 13:46:56 +000010081 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010082 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010083 cp->irq_arr[1].status_blk = bp->def_status_blk;
10084 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010085 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010086
10087 cp->num_irq = 2;
10088}
10089
10090static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10091 void *data)
10092{
10093 struct bnx2x *bp = netdev_priv(dev);
10094 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10095
10096 if (ops == NULL)
10097 return -EINVAL;
10098
10099 if (atomic_read(&bp->intr_sem) != 0)
10100 return -EBUSY;
10101
10102 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10103 if (!bp->cnic_kwq)
10104 return -ENOMEM;
10105
10106 bp->cnic_kwq_cons = bp->cnic_kwq;
10107 bp->cnic_kwq_prod = bp->cnic_kwq;
10108 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10109
10110 bp->cnic_spq_pending = 0;
10111 bp->cnic_kwq_pending = 0;
10112
10113 bp->cnic_data = data;
10114
10115 cp->num_irq = 0;
10116 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010117 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010118
Michael Chan993ac7b2009-10-10 13:46:56 +000010119 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010120
Michael Chan993ac7b2009-10-10 13:46:56 +000010121 rcu_assign_pointer(bp->cnic_ops, ops);
10122
10123 return 0;
10124}
10125
10126static int bnx2x_unregister_cnic(struct net_device *dev)
10127{
10128 struct bnx2x *bp = netdev_priv(dev);
10129 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10130
10131 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010132 cp->drv_state = 0;
10133 rcu_assign_pointer(bp->cnic_ops, NULL);
10134 mutex_unlock(&bp->cnic_mutex);
10135 synchronize_rcu();
10136 kfree(bp->cnic_kwq);
10137 bp->cnic_kwq = NULL;
10138
10139 return 0;
10140}
10141
10142struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10143{
10144 struct bnx2x *bp = netdev_priv(dev);
10145 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10146
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010147 /* If both iSCSI and FCoE are disabled - return NULL in
10148 * order to indicate CNIC that it should not try to work
10149 * with this device.
10150 */
10151 if (NO_ISCSI(bp) && NO_FCOE(bp))
10152 return NULL;
10153
Michael Chan993ac7b2009-10-10 13:46:56 +000010154 cp->drv_owner = THIS_MODULE;
10155 cp->chip_id = CHIP_ID(bp);
10156 cp->pdev = bp->pdev;
10157 cp->io_base = bp->regview;
10158 cp->io_base2 = bp->doorbells;
10159 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010160 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010161 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10162 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010163 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010164 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010165 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10166 cp->drv_ctl = bnx2x_drv_ctl;
10167 cp->drv_register_cnic = bnx2x_register_cnic;
10168 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010169 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10170 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10171 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010172 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010173
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010174 if (NO_ISCSI_OOO(bp))
10175 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10176
10177 if (NO_ISCSI(bp))
10178 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10179
10180 if (NO_FCOE(bp))
10181 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10182
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010183 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10184 "starting cid %d\n",
10185 cp->ctx_blk_size,
10186 cp->ctx_tbl_offset,
10187 cp->ctx_tbl_len,
10188 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010189 return cp;
10190}
10191EXPORT_SYMBOL(bnx2x_cnic_probe);
10192
10193#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010194