blob: 696e84afdc532da6e0c406a9ba189e7ccad23f60 [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
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000148static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000149 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
150 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
151 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000152 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
153 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200154 { 0 }
155};
156
157MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
158
159/****************************************************************************
160* General service functions
161****************************************************************************/
162
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000163static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
164 u32 addr, dma_addr_t mapping)
165{
166 REG_WR(bp, addr, U64_LO(mapping));
167 REG_WR(bp, addr + 4, U64_HI(mapping));
168}
169
170static inline void __storm_memset_fill(struct bnx2x *bp,
171 u32 addr, size_t size, u32 val)
172{
173 int i;
174 for (i = 0; i < size/4; i++)
175 REG_WR(bp, addr + (i * 4), val);
176}
177
178static inline void storm_memset_ustats_zero(struct bnx2x *bp,
179 u8 port, u16 stat_id)
180{
181 size_t size = sizeof(struct ustorm_per_client_stats);
182
183 u32 addr = BAR_USTRORM_INTMEM +
184 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
185
186 __storm_memset_fill(bp, addr, size, 0);
187}
188
189static inline void storm_memset_tstats_zero(struct bnx2x *bp,
190 u8 port, u16 stat_id)
191{
192 size_t size = sizeof(struct tstorm_per_client_stats);
193
194 u32 addr = BAR_TSTRORM_INTMEM +
195 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
196
197 __storm_memset_fill(bp, addr, size, 0);
198}
199
200static inline void storm_memset_xstats_zero(struct bnx2x *bp,
201 u8 port, u16 stat_id)
202{
203 size_t size = sizeof(struct xstorm_per_client_stats);
204
205 u32 addr = BAR_XSTRORM_INTMEM +
206 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
207
208 __storm_memset_fill(bp, addr, size, 0);
209}
210
211
212static inline void storm_memset_spq_addr(struct bnx2x *bp,
213 dma_addr_t mapping, u16 abs_fid)
214{
215 u32 addr = XSEM_REG_FAST_MEMORY +
216 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
217
218 __storm_memset_dma_mapping(bp, addr, mapping);
219}
220
221static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
222{
223 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
224}
225
226static inline void storm_memset_func_cfg(struct bnx2x *bp,
227 struct tstorm_eth_function_common_config *tcfg,
228 u16 abs_fid)
229{
230 size_t size = sizeof(struct tstorm_eth_function_common_config);
231
232 u32 addr = BAR_TSTRORM_INTMEM +
233 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
234
235 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
236}
237
238static inline void storm_memset_xstats_flags(struct bnx2x *bp,
239 struct stats_indication_flags *flags,
240 u16 abs_fid)
241{
242 size_t size = sizeof(struct stats_indication_flags);
243
244 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
245
246 __storm_memset_struct(bp, addr, size, (u32 *)flags);
247}
248
249static inline void storm_memset_tstats_flags(struct bnx2x *bp,
250 struct stats_indication_flags *flags,
251 u16 abs_fid)
252{
253 size_t size = sizeof(struct stats_indication_flags);
254
255 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
256
257 __storm_memset_struct(bp, addr, size, (u32 *)flags);
258}
259
260static inline void storm_memset_ustats_flags(struct bnx2x *bp,
261 struct stats_indication_flags *flags,
262 u16 abs_fid)
263{
264 size_t size = sizeof(struct stats_indication_flags);
265
266 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
267
268 __storm_memset_struct(bp, addr, size, (u32 *)flags);
269}
270
271static inline void storm_memset_cstats_flags(struct bnx2x *bp,
272 struct stats_indication_flags *flags,
273 u16 abs_fid)
274{
275 size_t size = sizeof(struct stats_indication_flags);
276
277 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
278
279 __storm_memset_struct(bp, addr, size, (u32 *)flags);
280}
281
282static inline void storm_memset_xstats_addr(struct bnx2x *bp,
283 dma_addr_t mapping, u16 abs_fid)
284{
285 u32 addr = BAR_XSTRORM_INTMEM +
286 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
287
288 __storm_memset_dma_mapping(bp, addr, mapping);
289}
290
291static inline void storm_memset_tstats_addr(struct bnx2x *bp,
292 dma_addr_t mapping, u16 abs_fid)
293{
294 u32 addr = BAR_TSTRORM_INTMEM +
295 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
296
297 __storm_memset_dma_mapping(bp, addr, mapping);
298}
299
300static inline void storm_memset_ustats_addr(struct bnx2x *bp,
301 dma_addr_t mapping, u16 abs_fid)
302{
303 u32 addr = BAR_USTRORM_INTMEM +
304 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
305
306 __storm_memset_dma_mapping(bp, addr, mapping);
307}
308
309static inline void storm_memset_cstats_addr(struct bnx2x *bp,
310 dma_addr_t mapping, u16 abs_fid)
311{
312 u32 addr = BAR_CSTRORM_INTMEM +
313 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
314
315 __storm_memset_dma_mapping(bp, addr, mapping);
316}
317
318static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
319 u16 pf_id)
320{
321 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
322 pf_id);
323 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
324 pf_id);
325 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
326 pf_id);
327 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
328 pf_id);
329}
330
331static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
332 u8 enable)
333{
334 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
335 enable);
336 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
337 enable);
338 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
339 enable);
340 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
341 enable);
342}
343
344static inline void storm_memset_eq_data(struct bnx2x *bp,
345 struct event_ring_data *eq_data,
346 u16 pfid)
347{
348 size_t size = sizeof(struct event_ring_data);
349
350 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
351
352 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
353}
354
355static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
356 u16 pfid)
357{
358 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
359 REG_WR16(bp, addr, eq_prod);
360}
361
362static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
363 u16 fw_sb_id, u8 sb_index,
364 u8 ticks)
365{
366
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000367 int index_offset = CHIP_IS_E2(bp) ?
368 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000369 offsetof(struct hc_status_block_data_e1x, index_data);
370 u32 addr = BAR_CSTRORM_INTMEM +
371 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
372 index_offset +
373 sizeof(struct hc_index_data)*sb_index +
374 offsetof(struct hc_index_data, timeout);
375 REG_WR8(bp, addr, ticks);
376 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
377 port, fw_sb_id, sb_index, ticks);
378}
379static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
380 u16 fw_sb_id, u8 sb_index,
381 u8 disable)
382{
383 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000384 int index_offset = CHIP_IS_E2(bp) ?
385 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000386 offsetof(struct hc_status_block_data_e1x, index_data);
387 u32 addr = BAR_CSTRORM_INTMEM +
388 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
389 index_offset +
390 sizeof(struct hc_index_data)*sb_index +
391 offsetof(struct hc_index_data, flags);
392 u16 flags = REG_RD16(bp, addr);
393 /* clear and set */
394 flags &= ~HC_INDEX_DATA_HC_ENABLED;
395 flags |= enable_flag;
396 REG_WR16(bp, addr, flags);
397 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
398 port, fw_sb_id, sb_index, disable);
399}
400
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200401/* used only at init
402 * locking is done by mcp
403 */
stephen hemminger8d962862010-10-21 07:50:56 +0000404static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200405{
406 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
407 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
408 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
409 PCICFG_VENDOR_ID_OFFSET);
410}
411
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200412static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
413{
414 u32 val;
415
416 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
417 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
418 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
419 PCICFG_VENDOR_ID_OFFSET);
420
421 return val;
422}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000424#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
425#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
426#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
427#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
428#define DMAE_DP_DST_NONE "dst_addr [none]"
429
stephen hemminger8d962862010-10-21 07:50:56 +0000430static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
431 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000432{
433 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
434
435 switch (dmae->opcode & DMAE_COMMAND_DST) {
436 case DMAE_CMD_DST_PCI:
437 if (src_type == DMAE_CMD_SRC_PCI)
438 DP(msglvl, "DMAE: opcode 0x%08x\n"
439 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
440 "comp_addr [%x:%08x], comp_val 0x%08x\n",
441 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
442 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
443 dmae->comp_addr_hi, dmae->comp_addr_lo,
444 dmae->comp_val);
445 else
446 DP(msglvl, "DMAE: opcode 0x%08x\n"
447 "src [%08x], len [%d*4], dst [%x:%08x]\n"
448 "comp_addr [%x:%08x], comp_val 0x%08x\n",
449 dmae->opcode, dmae->src_addr_lo >> 2,
450 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
451 dmae->comp_addr_hi, dmae->comp_addr_lo,
452 dmae->comp_val);
453 break;
454 case DMAE_CMD_DST_GRC:
455 if (src_type == DMAE_CMD_SRC_PCI)
456 DP(msglvl, "DMAE: opcode 0x%08x\n"
457 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
458 "comp_addr [%x:%08x], comp_val 0x%08x\n",
459 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
460 dmae->len, dmae->dst_addr_lo >> 2,
461 dmae->comp_addr_hi, dmae->comp_addr_lo,
462 dmae->comp_val);
463 else
464 DP(msglvl, "DMAE: opcode 0x%08x\n"
465 "src [%08x], len [%d*4], dst [%08x]\n"
466 "comp_addr [%x:%08x], comp_val 0x%08x\n",
467 dmae->opcode, dmae->src_addr_lo >> 2,
468 dmae->len, dmae->dst_addr_lo >> 2,
469 dmae->comp_addr_hi, dmae->comp_addr_lo,
470 dmae->comp_val);
471 break;
472 default:
473 if (src_type == DMAE_CMD_SRC_PCI)
474 DP(msglvl, "DMAE: opcode 0x%08x\n"
475 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
476 "dst_addr [none]\n"
477 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
478 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
479 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
480 dmae->comp_val);
481 else
482 DP(msglvl, "DMAE: opcode 0x%08x\n"
483 DP_LEVEL "src_addr [%08x] len [%d * 4] "
484 "dst_addr [none]\n"
485 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
486 dmae->opcode, dmae->src_addr_lo >> 2,
487 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
488 dmae->comp_val);
489 break;
490 }
491
492}
493
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000494const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200495 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
496 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
497 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
498 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
499};
500
501/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000502void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200503{
504 u32 cmd_offset;
505 int i;
506
507 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
508 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
509 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
510
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700511 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
512 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200513 }
514 REG_WR(bp, dmae_reg_go_c[idx], 1);
515}
516
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000517u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
518{
519 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
520 DMAE_CMD_C_ENABLE);
521}
522
523u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
524{
525 return opcode & ~DMAE_CMD_SRC_RESET;
526}
527
528u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
529 bool with_comp, u8 comp_type)
530{
531 u32 opcode = 0;
532
533 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
534 (dst_type << DMAE_COMMAND_DST_SHIFT));
535
536 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
537
538 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
539 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
540 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
541 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
542
543#ifdef __BIG_ENDIAN
544 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
545#else
546 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
547#endif
548 if (with_comp)
549 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
550 return opcode;
551}
552
stephen hemminger8d962862010-10-21 07:50:56 +0000553static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
554 struct dmae_command *dmae,
555 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000556{
557 memset(dmae, 0, sizeof(struct dmae_command));
558
559 /* set the opcode */
560 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
561 true, DMAE_COMP_PCI);
562
563 /* fill in the completion parameters */
564 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
565 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
566 dmae->comp_val = DMAE_COMP_VAL;
567}
568
569/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000570static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
571 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000572{
573 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
574 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40;
575 int rc = 0;
576
577 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
578 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
579 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
580
581 /* lock the dmae channel */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800582 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000583
584 /* reset completion */
585 *wb_comp = 0;
586
587 /* post the command on the channel used for initializations */
588 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
589
590 /* wait for completion */
591 udelay(5);
592 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
593 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
594
595 if (!cnt) {
596 BNX2X_ERR("DMAE timeout!\n");
597 rc = DMAE_TIMEOUT;
598 goto unlock;
599 }
600 cnt--;
601 udelay(50);
602 }
603 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
604 BNX2X_ERR("DMAE PCI error!\n");
605 rc = DMAE_PCI_ERROR;
606 }
607
608 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
609 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
610 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
611
612unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800613 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000614 return rc;
615}
616
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700617void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
618 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200619{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000620 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700621
622 if (!bp->dmae_ready) {
623 u32 *data = bnx2x_sp(bp, wb_data[0]);
624
625 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
626 " using indirect\n", dst_addr, len32);
627 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
628 return;
629 }
630
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000631 /* set opcode and fixed command fields */
632 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200633
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000634 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000635 dmae.src_addr_lo = U64_LO(dma_addr);
636 dmae.src_addr_hi = U64_HI(dma_addr);
637 dmae.dst_addr_lo = dst_addr >> 2;
638 dmae.dst_addr_hi = 0;
639 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000641 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200642
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000643 /* issue the command and wait for completion */
644 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200645}
646
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700647void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200648{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000649 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700650
651 if (!bp->dmae_ready) {
652 u32 *data = bnx2x_sp(bp, wb_data[0]);
653 int i;
654
655 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
656 " using indirect\n", src_addr, len32);
657 for (i = 0; i < len32; i++)
658 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
659 return;
660 }
661
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000662 /* set opcode and fixed command fields */
663 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200664
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000665 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000666 dmae.src_addr_lo = src_addr >> 2;
667 dmae.src_addr_hi = 0;
668 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
669 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
670 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000672 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200673
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000674 /* issue the command and wait for completion */
675 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200676}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677
stephen hemminger8d962862010-10-21 07:50:56 +0000678static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
679 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000680{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000681 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000682 int offset = 0;
683
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000684 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000685 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000686 addr + offset, dmae_wr_max);
687 offset += dmae_wr_max * 4;
688 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000689 }
690
691 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
692}
693
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700694/* used only for slowpath so not inlined */
695static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
696{
697 u32 wb_write[2];
698
699 wb_write[0] = val_hi;
700 wb_write[1] = val_lo;
701 REG_WR_DMAE(bp, reg, wb_write, 2);
702}
703
704#ifdef USE_WB_RD
705static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
706{
707 u32 wb_data[2];
708
709 REG_RD_DMAE(bp, reg, wb_data, 2);
710
711 return HILO_U64(wb_data[0], wb_data[1]);
712}
713#endif
714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200715static int bnx2x_mc_assert(struct bnx2x *bp)
716{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200717 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700718 int i, rc = 0;
719 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200720
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700721 /* XSTORM */
722 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
723 XSTORM_ASSERT_LIST_INDEX_OFFSET);
724 if (last_idx)
725 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200726
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700727 /* print the asserts */
728 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200729
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700730 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
731 XSTORM_ASSERT_LIST_OFFSET(i));
732 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
733 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
734 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
735 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
736 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
737 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200738
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700739 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
740 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
741 " 0x%08x 0x%08x 0x%08x\n",
742 i, row3, row2, row1, row0);
743 rc++;
744 } else {
745 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200746 }
747 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700748
749 /* TSTORM */
750 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
751 TSTORM_ASSERT_LIST_INDEX_OFFSET);
752 if (last_idx)
753 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
754
755 /* print the asserts */
756 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
757
758 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
759 TSTORM_ASSERT_LIST_OFFSET(i));
760 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
761 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
762 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
763 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
764 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
765 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
766
767 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
768 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
769 " 0x%08x 0x%08x 0x%08x\n",
770 i, row3, row2, row1, row0);
771 rc++;
772 } else {
773 break;
774 }
775 }
776
777 /* CSTORM */
778 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
779 CSTORM_ASSERT_LIST_INDEX_OFFSET);
780 if (last_idx)
781 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
782
783 /* print the asserts */
784 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
785
786 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
787 CSTORM_ASSERT_LIST_OFFSET(i));
788 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
789 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
790 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
791 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
792 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
793 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
794
795 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
796 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
797 " 0x%08x 0x%08x 0x%08x\n",
798 i, row3, row2, row1, row0);
799 rc++;
800 } else {
801 break;
802 }
803 }
804
805 /* USTORM */
806 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
807 USTORM_ASSERT_LIST_INDEX_OFFSET);
808 if (last_idx)
809 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
810
811 /* print the asserts */
812 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
813
814 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
815 USTORM_ASSERT_LIST_OFFSET(i));
816 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
817 USTORM_ASSERT_LIST_OFFSET(i) + 4);
818 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
819 USTORM_ASSERT_LIST_OFFSET(i) + 8);
820 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
821 USTORM_ASSERT_LIST_OFFSET(i) + 12);
822
823 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
824 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
825 " 0x%08x 0x%08x 0x%08x\n",
826 i, row3, row2, row1, row0);
827 rc++;
828 } else {
829 break;
830 }
831 }
832
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200833 return rc;
834}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800835
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200836static void bnx2x_fw_dump(struct bnx2x *bp)
837{
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000838 u32 addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200839 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000840 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200841 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000842 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000843 if (BP_NOMCP(bp)) {
844 BNX2X_ERR("NO MCP - can not dump\n");
845 return;
846 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000847
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000848 if (BP_PATH(bp) == 0)
849 trace_shmem_base = bp->common.shmem_base;
850 else
851 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
852 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000853 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000854 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
855 + ((mark + 0x3) & ~0x3) - 0x08000000;
Joe Perches7995c642010-02-17 15:01:52 +0000856 pr_err("begin fw dump (mark 0x%x)\n", mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200857
Joe Perches7995c642010-02-17 15:01:52 +0000858 pr_err("");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000859 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200860 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000861 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200862 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000863 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000865 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200866 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000867 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200868 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000869 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200870 }
Joe Perches7995c642010-02-17 15:01:52 +0000871 pr_err("end of fw dump\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200872}
873
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000874void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200875{
876 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000877 u16 j;
878 struct hc_sp_status_block_data sp_sb_data;
879 int func = BP_FUNC(bp);
880#ifdef BNX2X_STOP_ON_ERROR
881 u16 start = 0, end = 0;
882#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200883
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700884 bp->stats_state = STATS_STATE_DISABLED;
885 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
886
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200887 BNX2X_ERR("begin crash dump -----------------\n");
888
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000889 /* Indices */
890 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000891 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000892 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000893 bp->def_idx, bp->def_att_idx,
894 bp->attn_state, bp->spq_prod_idx);
895 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
896 bp->def_status_blk->atten_status_block.attn_bits,
897 bp->def_status_blk->atten_status_block.attn_bits_ack,
898 bp->def_status_blk->atten_status_block.status_block_id,
899 bp->def_status_blk->atten_status_block.attn_bits_index);
900 BNX2X_ERR(" def (");
901 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
902 pr_cont("0x%x%s",
903 bp->def_status_blk->sp_sb.index_values[i],
904 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000905
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000906 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
907 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
908 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
909 i*sizeof(u32));
910
911 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
912 "pf_id(0x%x) vnic_id(0x%x) "
913 "vf_id(0x%x) vf_valid (0x%x)\n",
914 sp_sb_data.igu_sb_id,
915 sp_sb_data.igu_seg_id,
916 sp_sb_data.p_func.pf_id,
917 sp_sb_data.p_func.vnic_id,
918 sp_sb_data.p_func.vf_id,
919 sp_sb_data.p_func.vf_valid);
920
921
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000922 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000923 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000924 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000925 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000926 struct hc_status_block_data_e1x sb_data_e1x;
927 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000928 CHIP_IS_E2(bp) ?
929 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000930 sb_data_e1x.common.state_machine;
931 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000932 CHIP_IS_E2(bp) ?
933 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000934 sb_data_e1x.index_data;
935 int data_size;
936 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000937
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000938 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000939 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000940 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000941 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000942 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000943 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000944 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000945 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000946 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000947 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000948 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000949
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000950 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000951 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
952 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
953 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200954 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700955 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000956
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000957 loop = CHIP_IS_E2(bp) ?
958 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000959
960 /* host sb data */
961
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000962#ifdef BCM_CNIC
963 if (IS_FCOE_FP(fp))
964 continue;
965#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000966 BNX2X_ERR(" run indexes (");
967 for (j = 0; j < HC_SB_MAX_SM; j++)
968 pr_cont("0x%x%s",
969 fp->sb_running_index[j],
970 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
971
972 BNX2X_ERR(" indexes (");
973 for (j = 0; j < loop; j++)
974 pr_cont("0x%x%s",
975 fp->sb_index_values[j],
976 (j == loop - 1) ? ")" : " ");
977 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000978 data_size = CHIP_IS_E2(bp) ?
979 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000980 sizeof(struct hc_status_block_data_e1x);
981 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000982 sb_data_p = CHIP_IS_E2(bp) ?
983 (u32 *)&sb_data_e2 :
984 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000985 /* copy sb data in here */
986 for (j = 0; j < data_size; j++)
987 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
988 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
989 j * sizeof(u32));
990
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000991 if (CHIP_IS_E2(bp)) {
992 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
993 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
994 sb_data_e2.common.p_func.pf_id,
995 sb_data_e2.common.p_func.vf_id,
996 sb_data_e2.common.p_func.vf_valid,
997 sb_data_e2.common.p_func.vnic_id,
998 sb_data_e2.common.same_igu_sb_1b);
999 } else {
1000 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1001 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1002 sb_data_e1x.common.p_func.pf_id,
1003 sb_data_e1x.common.p_func.vf_id,
1004 sb_data_e1x.common.p_func.vf_valid,
1005 sb_data_e1x.common.p_func.vnic_id,
1006 sb_data_e1x.common.same_igu_sb_1b);
1007 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001008
1009 /* SB_SMs data */
1010 for (j = 0; j < HC_SB_MAX_SM; j++) {
1011 pr_cont("SM[%d] __flags (0x%x) "
1012 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1013 "time_to_expire (0x%x) "
1014 "timer_value(0x%x)\n", j,
1015 hc_sm_p[j].__flags,
1016 hc_sm_p[j].igu_sb_id,
1017 hc_sm_p[j].igu_seg_id,
1018 hc_sm_p[j].time_to_expire,
1019 hc_sm_p[j].timer_value);
1020 }
1021
1022 /* Indecies data */
1023 for (j = 0; j < loop; j++) {
1024 pr_cont("INDEX[%d] flags (0x%x) "
1025 "timeout (0x%x)\n", j,
1026 hc_index_p[j].flags,
1027 hc_index_p[j].timeout);
1028 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001029 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001030
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001031#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001032 /* Rings */
1033 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001034 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001035 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001036
1037 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1038 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001039 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001040 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1041 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1042
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001043 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1044 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001045 }
1046
Eilon Greenstein3196a882008-08-13 15:58:49 -07001047 start = RX_SGE(fp->rx_sge_prod);
1048 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001049 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001050 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1051 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1052
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001053 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1054 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001055 }
1056
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001057 start = RCQ_BD(fp->rx_comp_cons - 10);
1058 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001059 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001060 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1061
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001062 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1063 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001064 }
1065 }
1066
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001067 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001068 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001069 struct bnx2x_fastpath *fp = &bp->fp[i];
1070
1071 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1072 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1073 for (j = start; j != end; j = TX_BD(j + 1)) {
1074 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1075
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001076 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1077 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001078 }
1079
1080 start = TX_BD(fp->tx_bd_cons - 10);
1081 end = TX_BD(fp->tx_bd_cons + 254);
1082 for (j = start; j != end; j = TX_BD(j + 1)) {
1083 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1084
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001085 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1086 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001087 }
1088 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001089#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001090 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001091 bnx2x_mc_assert(bp);
1092 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001093}
1094
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001095static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001096{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001097 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001098 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1099 u32 val = REG_RD(bp, addr);
1100 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001101 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001102
1103 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001104 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1105 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001106 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1107 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001108 } else if (msi) {
1109 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1110 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1111 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1112 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001113 } else {
1114 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001115 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001116 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1117 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001118
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001119 if (!CHIP_IS_E1(bp)) {
1120 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1121 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001122
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001123 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001124
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001125 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1126 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001127 }
1128
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001129 if (CHIP_IS_E1(bp))
1130 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1131
Eilon Greenstein8badd272009-02-12 08:36:15 +00001132 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1133 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001134
1135 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001136 /*
1137 * Ensure that HC_CONFIG is written before leading/trailing edge config
1138 */
1139 mmiowb();
1140 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001141
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001142 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001143 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001144 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001145 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001146 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001147 /* enable nig and gpio3 attention */
1148 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001149 } else
1150 val = 0xffff;
1151
1152 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1153 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1154 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001155
1156 /* Make sure that interrupts are indeed enabled from here on */
1157 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001158}
1159
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001160static void bnx2x_igu_int_enable(struct bnx2x *bp)
1161{
1162 u32 val;
1163 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1164 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1165
1166 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1167
1168 if (msix) {
1169 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1170 IGU_PF_CONF_SINGLE_ISR_EN);
1171 val |= (IGU_PF_CONF_FUNC_EN |
1172 IGU_PF_CONF_MSI_MSIX_EN |
1173 IGU_PF_CONF_ATTN_BIT_EN);
1174 } else if (msi) {
1175 val &= ~IGU_PF_CONF_INT_LINE_EN;
1176 val |= (IGU_PF_CONF_FUNC_EN |
1177 IGU_PF_CONF_MSI_MSIX_EN |
1178 IGU_PF_CONF_ATTN_BIT_EN |
1179 IGU_PF_CONF_SINGLE_ISR_EN);
1180 } else {
1181 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1182 val |= (IGU_PF_CONF_FUNC_EN |
1183 IGU_PF_CONF_INT_LINE_EN |
1184 IGU_PF_CONF_ATTN_BIT_EN |
1185 IGU_PF_CONF_SINGLE_ISR_EN);
1186 }
1187
1188 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1189 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1190
1191 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1192
1193 barrier();
1194
1195 /* init leading/trailing edge */
1196 if (IS_MF(bp)) {
1197 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1198 if (bp->port.pmf)
1199 /* enable nig and gpio3 attention */
1200 val |= 0x1100;
1201 } else
1202 val = 0xffff;
1203
1204 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1205 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1206
1207 /* Make sure that interrupts are indeed enabled from here on */
1208 mmiowb();
1209}
1210
1211void bnx2x_int_enable(struct bnx2x *bp)
1212{
1213 if (bp->common.int_block == INT_BLOCK_HC)
1214 bnx2x_hc_int_enable(bp);
1215 else
1216 bnx2x_igu_int_enable(bp);
1217}
1218
1219static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001220{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001221 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001222 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1223 u32 val = REG_RD(bp, addr);
1224
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001225 /*
1226 * in E1 we must use only PCI configuration space to disable
1227 * MSI/MSIX capablility
1228 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1229 */
1230 if (CHIP_IS_E1(bp)) {
1231 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1232 * Use mask register to prevent from HC sending interrupts
1233 * after we exit the function
1234 */
1235 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1236
1237 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1238 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1239 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1240 } else
1241 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1242 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1243 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1244 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001245
1246 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1247 val, port, addr);
1248
Eilon Greenstein8badd272009-02-12 08:36:15 +00001249 /* flush all outstanding writes */
1250 mmiowb();
1251
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001252 REG_WR(bp, addr, val);
1253 if (REG_RD(bp, addr) != val)
1254 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1255}
1256
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001257static void bnx2x_igu_int_disable(struct bnx2x *bp)
1258{
1259 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1260
1261 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1262 IGU_PF_CONF_INT_LINE_EN |
1263 IGU_PF_CONF_ATTN_BIT_EN);
1264
1265 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1266
1267 /* flush all outstanding writes */
1268 mmiowb();
1269
1270 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1271 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1272 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1273}
1274
stephen hemminger8d962862010-10-21 07:50:56 +00001275static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001276{
1277 if (bp->common.int_block == INT_BLOCK_HC)
1278 bnx2x_hc_int_disable(bp);
1279 else
1280 bnx2x_igu_int_disable(bp);
1281}
1282
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001283void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001284{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001285 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001286 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001287
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001288 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001289 atomic_inc(&bp->intr_sem);
Eilon Greensteine1510702009-07-21 05:47:41 +00001290 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1291
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001292 if (disable_hw)
1293 /* prevent the HW from sending interrupts */
1294 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001295
1296 /* make sure all ISRs are done */
1297 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001298 synchronize_irq(bp->msix_table[0].vector);
1299 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001300#ifdef BCM_CNIC
1301 offset++;
1302#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001303 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001304 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001305 } else
1306 synchronize_irq(bp->pdev->irq);
1307
1308 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001309 cancel_delayed_work(&bp->sp_task);
1310 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001311}
1312
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001313/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001314
1315/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001316 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001317 */
1318
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001319/* Return true if succeeded to acquire the lock */
1320static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1321{
1322 u32 lock_status;
1323 u32 resource_bit = (1 << resource);
1324 int func = BP_FUNC(bp);
1325 u32 hw_lock_control_reg;
1326
1327 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1328
1329 /* Validating that the resource is within range */
1330 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1331 DP(NETIF_MSG_HW,
1332 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1333 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001334 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001335 }
1336
1337 if (func <= 5)
1338 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1339 else
1340 hw_lock_control_reg =
1341 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1342
1343 /* Try to acquire the lock */
1344 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1345 lock_status = REG_RD(bp, hw_lock_control_reg);
1346 if (lock_status & resource_bit)
1347 return true;
1348
1349 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1350 return false;
1351}
1352
Michael Chan993ac7b2009-10-10 13:46:56 +00001353#ifdef BCM_CNIC
1354static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1355#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001356
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001357void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001358 union eth_rx_cqe *rr_cqe)
1359{
1360 struct bnx2x *bp = fp->bp;
1361 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1362 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1363
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001364 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001365 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001366 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001367 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001368
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001369 switch (command | fp->state) {
1370 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1371 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1372 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001373 break;
1374
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001375 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1376 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001377 fp->state = BNX2X_FP_STATE_HALTED;
1378 break;
1379
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001380 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1381 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1382 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001383 break;
1384
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001385 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001386 BNX2X_ERR("unexpected MC reply (%d) "
1387 "fp[%d] state is %x\n",
1388 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001389 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001390 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001391
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001392 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001393 atomic_inc(&bp->cq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001394 /* push the change in fp->state and towards the memory */
1395 smp_wmb();
1396
1397 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001398}
1399
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001400irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001401{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001402 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001403 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001404 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001405 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001406
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001407 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001408 if (unlikely(status == 0)) {
1409 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1410 return IRQ_NONE;
1411 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001412 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001414 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1416 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1417 return IRQ_HANDLED;
1418 }
1419
Eilon Greenstein3196a882008-08-13 15:58:49 -07001420#ifdef BNX2X_STOP_ON_ERROR
1421 if (unlikely(bp->panic))
1422 return IRQ_HANDLED;
1423#endif
1424
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001425 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001426 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001427
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001428 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001429 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001430 /* Handle Rx and Tx according to SB id */
1431 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001432 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001433 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001434 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001435 status &= ~mask;
1436 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001437 }
1438
Michael Chan993ac7b2009-10-10 13:46:56 +00001439#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001440 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001441 if (status & (mask | 0x1)) {
1442 struct cnic_ops *c_ops = NULL;
1443
1444 rcu_read_lock();
1445 c_ops = rcu_dereference(bp->cnic_ops);
1446 if (c_ops)
1447 c_ops->cnic_handler(bp->cnic_data, NULL);
1448 rcu_read_unlock();
1449
1450 status &= ~mask;
1451 }
1452#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001453
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001454 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001455 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001456
1457 status &= ~0x1;
1458 if (!status)
1459 return IRQ_HANDLED;
1460 }
1461
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001462 if (unlikely(status))
1463 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001464 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001465
1466 return IRQ_HANDLED;
1467}
1468
1469/* end of fast path */
1470
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001471
1472/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001473
1474/*
1475 * General service functions
1476 */
1477
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001478int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001479{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001480 u32 lock_status;
1481 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001482 int func = BP_FUNC(bp);
1483 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001484 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001485
1486 /* Validating that the resource is within range */
1487 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1488 DP(NETIF_MSG_HW,
1489 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1490 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1491 return -EINVAL;
1492 }
1493
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001494 if (func <= 5) {
1495 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1496 } else {
1497 hw_lock_control_reg =
1498 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1499 }
1500
Eliezer Tamirf1410642008-02-28 11:51:50 -08001501 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001502 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001503 if (lock_status & resource_bit) {
1504 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1505 lock_status, resource_bit);
1506 return -EEXIST;
1507 }
1508
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001509 /* Try for 5 second every 5ms */
1510 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001511 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001512 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1513 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001514 if (lock_status & resource_bit)
1515 return 0;
1516
1517 msleep(5);
1518 }
1519 DP(NETIF_MSG_HW, "Timeout\n");
1520 return -EAGAIN;
1521}
1522
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001523int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001524{
1525 u32 lock_status;
1526 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001527 int func = BP_FUNC(bp);
1528 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001529
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001530 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1531
Eliezer Tamirf1410642008-02-28 11:51:50 -08001532 /* Validating that the resource is within range */
1533 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1534 DP(NETIF_MSG_HW,
1535 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1536 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1537 return -EINVAL;
1538 }
1539
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001540 if (func <= 5) {
1541 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1542 } else {
1543 hw_lock_control_reg =
1544 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1545 }
1546
Eliezer Tamirf1410642008-02-28 11:51:50 -08001547 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001548 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001549 if (!(lock_status & resource_bit)) {
1550 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1551 lock_status, resource_bit);
1552 return -EFAULT;
1553 }
1554
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001555 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001556 return 0;
1557}
1558
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001559
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001560int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1561{
1562 /* The GPIO should be swapped if swap register is set and active */
1563 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1564 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1565 int gpio_shift = gpio_num +
1566 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1567 u32 gpio_mask = (1 << gpio_shift);
1568 u32 gpio_reg;
1569 int value;
1570
1571 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1572 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1573 return -EINVAL;
1574 }
1575
1576 /* read GPIO value */
1577 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1578
1579 /* get the requested pin value */
1580 if ((gpio_reg & gpio_mask) == gpio_mask)
1581 value = 1;
1582 else
1583 value = 0;
1584
1585 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1586
1587 return value;
1588}
1589
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001590int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001591{
1592 /* The GPIO should be swapped if swap register is set and active */
1593 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001594 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001595 int gpio_shift = gpio_num +
1596 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1597 u32 gpio_mask = (1 << gpio_shift);
1598 u32 gpio_reg;
1599
1600 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1601 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1602 return -EINVAL;
1603 }
1604
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001605 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001606 /* read GPIO and mask except the float bits */
1607 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1608
1609 switch (mode) {
1610 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1611 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1612 gpio_num, gpio_shift);
1613 /* clear FLOAT and set CLR */
1614 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1615 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1616 break;
1617
1618 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1619 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1620 gpio_num, gpio_shift);
1621 /* clear FLOAT and set SET */
1622 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1623 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1624 break;
1625
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001626 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001627 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1628 gpio_num, gpio_shift);
1629 /* set FLOAT */
1630 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1631 break;
1632
1633 default:
1634 break;
1635 }
1636
1637 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001638 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001639
1640 return 0;
1641}
1642
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001643int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1644{
1645 /* The GPIO should be swapped if swap register is set and active */
1646 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1647 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1648 int gpio_shift = gpio_num +
1649 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1650 u32 gpio_mask = (1 << gpio_shift);
1651 u32 gpio_reg;
1652
1653 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1654 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1655 return -EINVAL;
1656 }
1657
1658 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1659 /* read GPIO int */
1660 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1661
1662 switch (mode) {
1663 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1664 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1665 "output low\n", gpio_num, gpio_shift);
1666 /* clear SET and set CLR */
1667 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1668 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1669 break;
1670
1671 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1672 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1673 "output high\n", gpio_num, gpio_shift);
1674 /* clear CLR and set SET */
1675 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1676 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1677 break;
1678
1679 default:
1680 break;
1681 }
1682
1683 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1684 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1685
1686 return 0;
1687}
1688
Eliezer Tamirf1410642008-02-28 11:51:50 -08001689static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1690{
1691 u32 spio_mask = (1 << spio_num);
1692 u32 spio_reg;
1693
1694 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1695 (spio_num > MISC_REGISTERS_SPIO_7)) {
1696 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1697 return -EINVAL;
1698 }
1699
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001700 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001701 /* read SPIO and mask except the float bits */
1702 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1703
1704 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001705 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001706 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1707 /* clear FLOAT and set CLR */
1708 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1709 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1710 break;
1711
Eilon Greenstein6378c022008-08-13 15:59:25 -07001712 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001713 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1714 /* clear FLOAT and set SET */
1715 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1716 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1717 break;
1718
1719 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1720 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1721 /* set FLOAT */
1722 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1723 break;
1724
1725 default:
1726 break;
1727 }
1728
1729 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001730 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001731
1732 return 0;
1733}
1734
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001735int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
1736{
1737 u32 sel_phy_idx = 0;
1738 if (bp->link_vars.link_up) {
1739 sel_phy_idx = EXT_PHY1;
1740 /* In case link is SERDES, check if the EXT_PHY2 is the one */
1741 if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
1742 (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
1743 sel_phy_idx = EXT_PHY2;
1744 } else {
1745
1746 switch (bnx2x_phy_selection(&bp->link_params)) {
1747 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
1748 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
1749 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
1750 sel_phy_idx = EXT_PHY1;
1751 break;
1752 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
1753 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
1754 sel_phy_idx = EXT_PHY2;
1755 break;
1756 }
1757 }
1758 /*
1759 * The selected actived PHY is always after swapping (in case PHY
1760 * swapping is enabled). So when swapping is enabled, we need to reverse
1761 * the configuration
1762 */
1763
1764 if (bp->link_params.multi_phy_config &
1765 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
1766 if (sel_phy_idx == EXT_PHY1)
1767 sel_phy_idx = EXT_PHY2;
1768 else if (sel_phy_idx == EXT_PHY2)
1769 sel_phy_idx = EXT_PHY1;
1770 }
1771 return LINK_CONFIG_IDX(sel_phy_idx);
1772}
1773
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001774void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001775{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001776 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001777 switch (bp->link_vars.ieee_fc &
1778 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001779 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001780 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001781 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001782 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001783
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001784 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001785 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001786 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001787 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001788
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001789 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001790 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001791 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001792
Eliezer Tamirf1410642008-02-28 11:51:50 -08001793 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001794 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001795 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001796 break;
1797 }
1798}
1799
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001800u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001801{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001802 if (!BP_NOMCP(bp)) {
1803 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001804 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1805 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001806 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001807 /* It is recommended to turn off RX FC for jumbo frames
1808 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001809 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001810 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001811 else
David S. Millerc0700f92008-12-16 23:53:20 -08001812 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001813
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001814 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001815
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001816 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001817 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001818 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1819 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001820
Eilon Greenstein19680c42008-08-13 15:47:33 -07001821 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001822
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001823 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001824
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001825 bnx2x_calc_fc_adv(bp);
1826
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001827 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1828 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001829 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001830 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001831 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001832 return rc;
1833 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001834 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001835 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001836}
1837
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001838void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001839{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001840 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001841 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001842 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001843 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001844 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001845
Eilon Greenstein19680c42008-08-13 15:47:33 -07001846 bnx2x_calc_fc_adv(bp);
1847 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001848 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001849}
1850
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001851static void bnx2x__link_reset(struct bnx2x *bp)
1852{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001853 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001854 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001855 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001856 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001857 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001858 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001859}
1860
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001861u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001862{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001863 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001864
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001865 if (!BP_NOMCP(bp)) {
1866 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001867 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1868 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001869 bnx2x_release_phy_lock(bp);
1870 } else
1871 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001872
1873 return rc;
1874}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001875
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001876static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001877{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001878 u32 r_param = bp->link_vars.line_speed / 8;
1879 u32 fair_periodic_timeout_usec;
1880 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001881
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001882 memset(&(bp->cmng.rs_vars), 0,
1883 sizeof(struct rate_shaping_vars_per_port));
1884 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001885
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001886 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1887 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001888
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001889 /* this is the threshold below which no timer arming will occur
1890 1.25 coefficient is for the threshold to be a little bigger
1891 than the real time, to compensate for timer in-accuracy */
1892 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001893 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1894
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001895 /* resolution of fairness timer */
1896 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1897 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1898 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001899
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001900 /* this is the threshold below which we won't arm the timer anymore */
1901 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001902
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001903 /* we multiply by 1e3/8 to get bytes/msec.
1904 We don't want the credits to pass a credit
1905 of the t_fair*FAIR_MEM (algorithm resolution) */
1906 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1907 /* since each tick is 4 usec */
1908 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001909}
1910
Eilon Greenstein2691d512009-08-12 08:22:08 +00001911/* Calculates the sum of vn_min_rates.
1912 It's needed for further normalizing of the min_rates.
1913 Returns:
1914 sum of vn_min_rates.
1915 or
1916 0 - if all the min_rates are 0.
1917 In the later case fainess algorithm should be deactivated.
1918 If not all min_rates are zero then those that are zeroes will be set to 1.
1919 */
1920static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1921{
1922 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001923 int vn;
1924
1925 bp->vn_weight_sum = 0;
1926 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001927 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001928 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1929 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1930
1931 /* Skip hidden vns */
1932 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1933 continue;
1934
1935 /* If min rate is zero - set it to 1 */
1936 if (!vn_min_rate)
1937 vn_min_rate = DEF_MIN_RATE;
1938 else
1939 all_zero = 0;
1940
1941 bp->vn_weight_sum += vn_min_rate;
1942 }
1943
1944 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001945 if (all_zero) {
1946 bp->cmng.flags.cmng_enables &=
1947 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1948 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1949 " fairness will be disabled\n");
1950 } else
1951 bp->cmng.flags.cmng_enables |=
1952 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001953}
1954
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001955static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001956{
1957 struct rate_shaping_vars_per_vn m_rs_vn;
1958 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001959 u32 vn_cfg = bp->mf_config[vn];
1960 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001961 u16 vn_min_rate, vn_max_rate;
1962 int i;
1963
1964 /* If function is hidden - set min and max to zeroes */
1965 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1966 vn_min_rate = 0;
1967 vn_max_rate = 0;
1968
1969 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001970 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
1971
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001972 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1973 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001974 /* If fairness is enabled (not all min rates are zeroes) and
1975 if current min rate is zero - set it to 1.
1976 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001977 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001978 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001979
1980 if (IS_MF_SI(bp))
1981 /* maxCfg in percents of linkspeed */
1982 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
1983 else
1984 /* maxCfg is absolute in 100Mb units */
1985 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001986 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001987
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001988 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001989 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001990 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001991
1992 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1993 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1994
1995 /* global vn counter - maximal Mbps for this vn */
1996 m_rs_vn.vn_counter.rate = vn_max_rate;
1997
1998 /* quota - number of bytes transmitted in this period */
1999 m_rs_vn.vn_counter.quota =
2000 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2001
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002002 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002003 /* credit for each period of the fairness algorithm:
2004 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002005 vn_weight_sum should not be larger than 10000, thus
2006 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2007 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002008 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002009 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2010 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00002011 (bp->cmng.fair_vars.fair_threshold +
2012 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002013 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002014 m_fair_vn.vn_credit_delta);
2015 }
2016
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002017 /* Store it to internal memory */
2018 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2019 REG_WR(bp, BAR_XSTRORM_INTMEM +
2020 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2021 ((u32 *)(&m_rs_vn))[i]);
2022
2023 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2024 REG_WR(bp, BAR_XSTRORM_INTMEM +
2025 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2026 ((u32 *)(&m_fair_vn))[i]);
2027}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002028
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002029static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2030{
2031 if (CHIP_REV_IS_SLOW(bp))
2032 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002033 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002034 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002035
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002036 return CMNG_FNS_NONE;
2037}
2038
2039static void bnx2x_read_mf_cfg(struct bnx2x *bp)
2040{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002041 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002042
2043 if (BP_NOMCP(bp))
2044 return; /* what should be the default bvalue in this case */
2045
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002046 /* For 2 port configuration the absolute function number formula
2047 * is:
2048 * abs_func = 2 * vn + BP_PORT + BP_PATH
2049 *
2050 * and there are 4 functions per port
2051 *
2052 * For 4 port configuration it is
2053 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2054 *
2055 * and there are 2 functions per port
2056 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002057 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002058 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2059
2060 if (func >= E1H_FUNC_MAX)
2061 break;
2062
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002063 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002064 MF_CFG_RD(bp, func_mf_config[func].config);
2065 }
2066}
2067
2068static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2069{
2070
2071 if (cmng_type == CMNG_FNS_MINMAX) {
2072 int vn;
2073
2074 /* clear cmng_enables */
2075 bp->cmng.flags.cmng_enables = 0;
2076
2077 /* read mf conf from shmem */
2078 if (read_cfg)
2079 bnx2x_read_mf_cfg(bp);
2080
2081 /* Init rate shaping and fairness contexts */
2082 bnx2x_init_port_minmax(bp);
2083
2084 /* vn_weight_sum and enable fairness if not 0 */
2085 bnx2x_calc_vn_weight_sum(bp);
2086
2087 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002088 if (bp->port.pmf)
2089 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2090 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002091
2092 /* always enable rate shaping and fairness */
2093 bp->cmng.flags.cmng_enables |=
2094 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2095 if (!bp->vn_weight_sum)
2096 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2097 " fairness will be disabled\n");
2098 return;
2099 }
2100
2101 /* rate shaping and fairness are disabled */
2102 DP(NETIF_MSG_IFUP,
2103 "rate shaping and fairness are disabled\n");
2104}
2105
2106static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2107{
2108 int port = BP_PORT(bp);
2109 int func;
2110 int vn;
2111
2112 /* Set the attention towards other drivers on the same port */
2113 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2114 if (vn == BP_E1HVN(bp))
2115 continue;
2116
2117 func = ((vn << 1) | port);
2118 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2119 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2120 }
2121}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002122
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002123/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002124static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002125{
Vladislav Zolotarovd9e8b182010-04-19 01:15:08 +00002126 u32 prev_link_status = bp->link_vars.link_status;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002127 /* Make sure that we are synced with the current statistics */
2128 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2129
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002130 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002131
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002132 if (bp->link_vars.link_up) {
2133
Eilon Greenstein1c063282009-02-12 08:36:43 +00002134 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002135 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002136 int port = BP_PORT(bp);
2137 u32 pause_enabled = 0;
2138
2139 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2140 pause_enabled = 1;
2141
2142 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002143 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002144 pause_enabled);
2145 }
2146
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002147 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2148 struct host_port_stats *pstats;
2149
2150 pstats = bnx2x_sp(bp, port_stats);
2151 /* reset old bmac stats */
2152 memset(&(pstats->mac_stx[0]), 0,
2153 sizeof(struct mac_stx));
2154 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002155 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002156 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2157 }
2158
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002159 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2160 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002161
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002162 if (cmng_fns != CMNG_FNS_NONE) {
2163 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2164 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2165 } else
2166 /* rate shaping and fairness are disabled */
2167 DP(NETIF_MSG_IFUP,
2168 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002169 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002170
2171 if (IS_MF(bp))
2172 bnx2x_link_sync_notify(bp);
2173
2174 /* indicate link status only if link status actually changed */
2175 if (prev_link_status != bp->link_vars.link_status)
2176 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002177}
2178
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002179void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002180{
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002181 if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002182 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002183
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002184 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2185
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002186 if (bp->link_vars.link_up)
2187 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2188 else
2189 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2190
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002191 /* the link status update could be the result of a DCC event
2192 hence re-read the shmem mf configuration */
2193 bnx2x_read_mf_cfg(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002194
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002195 /* indicate link status */
2196 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002197}
2198
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002199static void bnx2x_pmf_update(struct bnx2x *bp)
2200{
2201 int port = BP_PORT(bp);
2202 u32 val;
2203
2204 bp->port.pmf = 1;
2205 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2206
2207 /* enable nig attention */
2208 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002209 if (bp->common.int_block == INT_BLOCK_HC) {
2210 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2211 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2212 } else if (CHIP_IS_E2(bp)) {
2213 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2214 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2215 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002216
2217 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002218}
2219
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002220/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002221
2222/* slow path */
2223
2224/*
2225 * General service functions
2226 */
2227
Eilon Greenstein2691d512009-08-12 08:22:08 +00002228/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002229u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002230{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002231 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002232 u32 seq = ++bp->fw_seq;
2233 u32 rc = 0;
2234 u32 cnt = 1;
2235 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2236
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002237 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002238 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2239 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2240
Eilon Greenstein2691d512009-08-12 08:22:08 +00002241 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2242
2243 do {
2244 /* let the FW do it's magic ... */
2245 msleep(delay);
2246
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002247 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002248
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002249 /* Give the FW up to 5 second (500*10ms) */
2250 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002251
2252 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2253 cnt*delay, rc, seq);
2254
2255 /* is this a reply to our command? */
2256 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2257 rc &= FW_MSG_CODE_MASK;
2258 else {
2259 /* FW BUG! */
2260 BNX2X_ERR("FW failed to respond!\n");
2261 bnx2x_fw_dump(bp);
2262 rc = 0;
2263 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002264 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002265
2266 return rc;
2267}
2268
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002269static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2270{
2271#ifdef BCM_CNIC
2272 if (IS_FCOE_FP(fp) && IS_MF(bp))
2273 return false;
2274#endif
2275 return true;
2276}
2277
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002278/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002279static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002280{
2281 u32 mask = (1 << cl_id);
2282
2283 /* initial seeting is BNX2X_ACCEPT_NONE */
2284 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2285 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2286 u8 unmatched_unicast = 0;
2287
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002288 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2289 unmatched_unicast = 1;
2290
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002291 if (filters & BNX2X_PROMISCUOUS_MODE) {
2292 /* promiscious - accept all, drop none */
2293 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2294 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002295 if (IS_MF_SI(bp)) {
2296 /*
2297 * SI mode defines to accept in promiscuos mode
2298 * only unmatched packets
2299 */
2300 unmatched_unicast = 1;
2301 accp_all_ucast = 0;
2302 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002303 }
2304 if (filters & BNX2X_ACCEPT_UNICAST) {
2305 /* accept matched ucast */
2306 drop_all_ucast = 0;
2307 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002308 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002309 /* accept matched mcast */
2310 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002311
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002312 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2313 /* accept all mcast */
2314 drop_all_ucast = 0;
2315 accp_all_ucast = 1;
2316 }
2317 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2318 /* accept all mcast */
2319 drop_all_mcast = 0;
2320 accp_all_mcast = 1;
2321 }
2322 if (filters & BNX2X_ACCEPT_BROADCAST) {
2323 /* accept (all) bcast */
2324 drop_all_bcast = 0;
2325 accp_all_bcast = 1;
2326 }
2327
2328 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2329 bp->mac_filters.ucast_drop_all | mask :
2330 bp->mac_filters.ucast_drop_all & ~mask;
2331
2332 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2333 bp->mac_filters.mcast_drop_all | mask :
2334 bp->mac_filters.mcast_drop_all & ~mask;
2335
2336 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2337 bp->mac_filters.bcast_drop_all | mask :
2338 bp->mac_filters.bcast_drop_all & ~mask;
2339
2340 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2341 bp->mac_filters.ucast_accept_all | mask :
2342 bp->mac_filters.ucast_accept_all & ~mask;
2343
2344 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2345 bp->mac_filters.mcast_accept_all | mask :
2346 bp->mac_filters.mcast_accept_all & ~mask;
2347
2348 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2349 bp->mac_filters.bcast_accept_all | mask :
2350 bp->mac_filters.bcast_accept_all & ~mask;
2351
2352 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2353 bp->mac_filters.unmatched_unicast | mask :
2354 bp->mac_filters.unmatched_unicast & ~mask;
2355}
2356
stephen hemminger8d962862010-10-21 07:50:56 +00002357static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002358{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002359 struct tstorm_eth_function_common_config tcfg = {0};
2360 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002361
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002362 /* tpa */
2363 if (p->func_flgs & FUNC_FLG_TPA)
2364 tcfg.config_flags |=
2365 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002366
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002367 /* set rss flags */
2368 rss_flgs = (p->rss->mode <<
2369 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002370
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002371 if (p->rss->cap & RSS_IPV4_CAP)
2372 rss_flgs |= RSS_IPV4_CAP_MASK;
2373 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2374 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2375 if (p->rss->cap & RSS_IPV6_CAP)
2376 rss_flgs |= RSS_IPV6_CAP_MASK;
2377 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2378 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002379
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002380 tcfg.config_flags |= rss_flgs;
2381 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002382
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002383 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002384
2385 /* Enable the function in the FW */
2386 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2387 storm_memset_func_en(bp, p->func_id, 1);
2388
2389 /* statistics */
2390 if (p->func_flgs & FUNC_FLG_STATS) {
2391 struct stats_indication_flags stats_flags = {0};
2392 stats_flags.collect_eth = 1;
2393
2394 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2395 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2396
2397 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2398 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2399
2400 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2401 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2402
2403 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2404 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2405 }
2406
2407 /* spq */
2408 if (p->func_flgs & FUNC_FLG_SPQ) {
2409 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2410 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2411 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2412 }
2413}
2414
2415static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2416 struct bnx2x_fastpath *fp)
2417{
2418 u16 flags = 0;
2419
2420 /* calculate queue flags */
2421 flags |= QUEUE_FLG_CACHE_ALIGN;
2422 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002423 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002424
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002425 flags |= QUEUE_FLG_VLAN;
2426 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002427
2428 if (!fp->disable_tpa)
2429 flags |= QUEUE_FLG_TPA;
2430
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002431 flags = stat_counter_valid(bp, fp) ?
2432 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002433
2434 return flags;
2435}
2436
2437static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2438 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2439 struct bnx2x_rxq_init_params *rxq_init)
2440{
2441 u16 max_sge = 0;
2442 u16 sge_sz = 0;
2443 u16 tpa_agg_size = 0;
2444
2445 /* calculate queue flags */
2446 u16 flags = bnx2x_get_cl_flags(bp, fp);
2447
2448 if (!fp->disable_tpa) {
2449 pause->sge_th_hi = 250;
2450 pause->sge_th_lo = 150;
2451 tpa_agg_size = min_t(u32,
2452 (min_t(u32, 8, MAX_SKB_FRAGS) *
2453 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2454 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2455 SGE_PAGE_SHIFT;
2456 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2457 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2458 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2459 0xffff);
2460 }
2461
2462 /* pause - not for e1 */
2463 if (!CHIP_IS_E1(bp)) {
2464 pause->bd_th_hi = 350;
2465 pause->bd_th_lo = 250;
2466 pause->rcq_th_hi = 350;
2467 pause->rcq_th_lo = 250;
2468 pause->sge_th_hi = 0;
2469 pause->sge_th_lo = 0;
2470 pause->pri_map = 1;
2471 }
2472
2473 /* rxq setup */
2474 rxq_init->flags = flags;
2475 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2476 rxq_init->dscr_map = fp->rx_desc_mapping;
2477 rxq_init->sge_map = fp->rx_sge_mapping;
2478 rxq_init->rcq_map = fp->rx_comp_mapping;
2479 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002480
2481 /* Always use mini-jumbo MTU for FCoE L2 ring */
2482 if (IS_FCOE_FP(fp))
2483 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2484 else
2485 rxq_init->mtu = bp->dev->mtu;
2486
2487 rxq_init->buf_sz = fp->rx_buf_size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002488 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2489 rxq_init->cl_id = fp->cl_id;
2490 rxq_init->spcl_id = fp->cl_id;
2491 rxq_init->stat_id = fp->cl_id;
2492 rxq_init->tpa_agg_sz = tpa_agg_size;
2493 rxq_init->sge_buf_sz = sge_sz;
2494 rxq_init->max_sges_pkt = max_sge;
2495 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2496 rxq_init->fw_sb_id = fp->fw_sb_id;
2497
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002498 if (IS_FCOE_FP(fp))
2499 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2500 else
2501 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002502
2503 rxq_init->cid = HW_CID(bp, fp->cid);
2504
2505 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2506}
2507
2508static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2509 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2510{
2511 u16 flags = bnx2x_get_cl_flags(bp, fp);
2512
2513 txq_init->flags = flags;
2514 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2515 txq_init->dscr_map = fp->tx_desc_mapping;
2516 txq_init->stat_id = fp->cl_id;
2517 txq_init->cid = HW_CID(bp, fp->cid);
2518 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2519 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2520 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002521
2522 if (IS_FCOE_FP(fp)) {
2523 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2524 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2525 }
2526
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002527 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2528}
2529
stephen hemminger8d962862010-10-21 07:50:56 +00002530static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002531{
2532 struct bnx2x_func_init_params func_init = {0};
2533 struct bnx2x_rss_params rss = {0};
2534 struct event_ring_data eq_data = { {0} };
2535 u16 flags;
2536
2537 /* pf specific setups */
2538 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002539 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002540
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002541 if (CHIP_IS_E2(bp)) {
2542 /* reset IGU PF statistics: MSIX + ATTN */
2543 /* PF */
2544 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2545 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2546 (CHIP_MODE_IS_4_PORT(bp) ?
2547 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2548 /* ATTN */
2549 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2550 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2551 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2552 (CHIP_MODE_IS_4_PORT(bp) ?
2553 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2554 }
2555
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002556 /* function setup flags */
2557 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2558
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002559 if (CHIP_IS_E1x(bp))
2560 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2561 else
2562 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002563
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002564 /* function setup */
2565
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002566 /**
2567 * Although RSS is meaningless when there is a single HW queue we
2568 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002569 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002570 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2571 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2572 rss.mode = bp->multi_mode;
2573 rss.result_mask = MULTI_MASK;
2574 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002575
2576 func_init.func_flgs = flags;
2577 func_init.pf_id = BP_FUNC(bp);
2578 func_init.func_id = BP_FUNC(bp);
2579 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2580 func_init.spq_map = bp->spq_mapping;
2581 func_init.spq_prod = bp->spq_prod_idx;
2582
2583 bnx2x_func_init(bp, &func_init);
2584
2585 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2586
2587 /*
2588 Congestion management values depend on the link rate
2589 There is no active link so initial link rate is set to 10 Gbps.
2590 When the link comes up The congestion management values are
2591 re-calculated according to the actual link rate.
2592 */
2593 bp->link_vars.line_speed = SPEED_10000;
2594 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2595
2596 /* Only the PMF sets the HW */
2597 if (bp->port.pmf)
2598 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2599
2600 /* no rx until link is up */
2601 bp->rx_mode = BNX2X_RX_MODE_NONE;
2602 bnx2x_set_storm_rx_mode(bp);
2603
2604 /* init Event Queue */
2605 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2606 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2607 eq_data.producer = bp->eq_prod;
2608 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2609 eq_data.sb_id = DEF_SB_ID;
2610 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2611}
2612
2613
Eilon Greenstein2691d512009-08-12 08:22:08 +00002614static void bnx2x_e1h_disable(struct bnx2x *bp)
2615{
2616 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002617
2618 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002619
2620 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2621
Eilon Greenstein2691d512009-08-12 08:22:08 +00002622 netif_carrier_off(bp->dev);
2623}
2624
2625static void bnx2x_e1h_enable(struct bnx2x *bp)
2626{
2627 int port = BP_PORT(bp);
2628
2629 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2630
Eilon Greenstein2691d512009-08-12 08:22:08 +00002631 /* Tx queue should be only reenabled */
2632 netif_tx_wake_all_queues(bp->dev);
2633
Eilon Greenstein061bc702009-10-15 00:18:47 -07002634 /*
2635 * Should not call netif_carrier_on since it will be called if the link
2636 * is up when checking for link state
2637 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002638}
2639
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002640/* called due to MCP event (on pmf):
2641 * reread new bandwidth configuration
2642 * configure FW
2643 * notify others function about the change
2644 */
2645static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2646{
2647 if (bp->link_vars.link_up) {
2648 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2649 bnx2x_link_sync_notify(bp);
2650 }
2651 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2652}
2653
2654static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2655{
2656 bnx2x_config_mf_bw(bp);
2657 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2658}
2659
Eilon Greenstein2691d512009-08-12 08:22:08 +00002660static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2661{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002662 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002663
2664 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2665
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002666 /*
2667 * This is the only place besides the function initialization
2668 * where the bp->flags can change so it is done without any
2669 * locks
2670 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002671 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002672 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002673 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002674
2675 bnx2x_e1h_disable(bp);
2676 } else {
2677 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002678 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002679
2680 bnx2x_e1h_enable(bp);
2681 }
2682 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2683 }
2684 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002685 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002686 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2687 }
2688
2689 /* Report results to MCP */
2690 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002691 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002692 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002693 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002694}
2695
Michael Chan28912902009-10-10 13:46:53 +00002696/* must be called under the spq lock */
2697static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2698{
2699 struct eth_spe *next_spe = bp->spq_prod_bd;
2700
2701 if (bp->spq_prod_bd == bp->spq_last_bd) {
2702 bp->spq_prod_bd = bp->spq;
2703 bp->spq_prod_idx = 0;
2704 DP(NETIF_MSG_TIMER, "end of spq\n");
2705 } else {
2706 bp->spq_prod_bd++;
2707 bp->spq_prod_idx++;
2708 }
2709 return next_spe;
2710}
2711
2712/* must be called under the spq lock */
2713static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2714{
2715 int func = BP_FUNC(bp);
2716
2717 /* Make sure that BD data is updated before writing the producer */
2718 wmb();
2719
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002720 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002721 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002722 mmiowb();
2723}
2724
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002725/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002726int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002727 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002728{
Michael Chan28912902009-10-10 13:46:53 +00002729 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002730 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002731
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002732#ifdef BNX2X_STOP_ON_ERROR
2733 if (unlikely(bp->panic))
2734 return -EIO;
2735#endif
2736
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002737 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002738
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002739 if (common) {
2740 if (!atomic_read(&bp->eq_spq_left)) {
2741 BNX2X_ERR("BUG! EQ ring full!\n");
2742 spin_unlock_bh(&bp->spq_lock);
2743 bnx2x_panic();
2744 return -EBUSY;
2745 }
2746 } else if (!atomic_read(&bp->cq_spq_left)) {
2747 BNX2X_ERR("BUG! SPQ ring full!\n");
2748 spin_unlock_bh(&bp->spq_lock);
2749 bnx2x_panic();
2750 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002751 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002752
Michael Chan28912902009-10-10 13:46:53 +00002753 spe = bnx2x_sp_get_next(bp);
2754
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002755 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002756 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002757 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2758 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002759
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002760 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002761 /* Common ramrods:
2762 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2763 * TRAFFIC_STOP, TRAFFIC_START
2764 */
2765 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2766 & SPE_HDR_CONN_TYPE;
2767 else
2768 /* ETH ramrods: SETUP, HALT */
2769 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2770 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002771
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002772 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2773 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002774
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002775 spe->hdr.type = cpu_to_le16(type);
2776
2777 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2778 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2779
2780 /* stats ramrod has it's own slot on the spq */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002781 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002782 /* It's ok if the actual decrement is issued towards the memory
2783 * somewhere between the spin_lock and spin_unlock. Thus no
2784 * more explict memory barrier is needed.
2785 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002786 if (common)
2787 atomic_dec(&bp->eq_spq_left);
2788 else
2789 atomic_dec(&bp->cq_spq_left);
2790 }
2791
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002792
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002793 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002794 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002795 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002796 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2797 (u32)(U64_LO(bp->spq_mapping) +
2798 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002799 HW_CID(bp, cid), data_hi, data_lo, type,
2800 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002801
Michael Chan28912902009-10-10 13:46:53 +00002802 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002803 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002804 return 0;
2805}
2806
2807/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002808static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002809{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002810 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002811 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002812
2813 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002814 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002815 val = (1UL << 31);
2816 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2817 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2818 if (val & (1L << 31))
2819 break;
2820
2821 msleep(5);
2822 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002823 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002824 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002825 rc = -EBUSY;
2826 }
2827
2828 return rc;
2829}
2830
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002831/* release split MCP access lock register */
2832static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002833{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002834 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002835}
2836
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002837#define BNX2X_DEF_SB_ATT_IDX 0x0001
2838#define BNX2X_DEF_SB_IDX 0x0002
2839
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002840static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2841{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002842 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002843 u16 rc = 0;
2844
2845 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002846 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2847 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002848 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002849 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002850
2851 if (bp->def_idx != def_sb->sp_sb.running_index) {
2852 bp->def_idx = def_sb->sp_sb.running_index;
2853 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002854 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002855
2856 /* Do not reorder: indecies reading should complete before handling */
2857 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002858 return rc;
2859}
2860
2861/*
2862 * slow path service functions
2863 */
2864
2865static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2866{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002867 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002868 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2869 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002870 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2871 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002872 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002873 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002874 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002875
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002876 if (bp->attn_state & asserted)
2877 BNX2X_ERR("IGU ERROR\n");
2878
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002879 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2880 aeu_mask = REG_RD(bp, aeu_addr);
2881
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002882 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002883 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002884 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002885 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002886
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002887 REG_WR(bp, aeu_addr, aeu_mask);
2888 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002889
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002890 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002891 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002892 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002893
2894 if (asserted & ATTN_HARD_WIRED_MASK) {
2895 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002896
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002897 bnx2x_acquire_phy_lock(bp);
2898
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002899 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002900 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002901 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002902
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002903 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002904
2905 /* handle unicore attn? */
2906 }
2907 if (asserted & ATTN_SW_TIMER_4_FUNC)
2908 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2909
2910 if (asserted & GPIO_2_FUNC)
2911 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2912
2913 if (asserted & GPIO_3_FUNC)
2914 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2915
2916 if (asserted & GPIO_4_FUNC)
2917 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2918
2919 if (port == 0) {
2920 if (asserted & ATTN_GENERAL_ATTN_1) {
2921 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2922 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2923 }
2924 if (asserted & ATTN_GENERAL_ATTN_2) {
2925 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2926 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2927 }
2928 if (asserted & ATTN_GENERAL_ATTN_3) {
2929 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2930 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2931 }
2932 } else {
2933 if (asserted & ATTN_GENERAL_ATTN_4) {
2934 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2935 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2936 }
2937 if (asserted & ATTN_GENERAL_ATTN_5) {
2938 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2939 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2940 }
2941 if (asserted & ATTN_GENERAL_ATTN_6) {
2942 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2943 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2944 }
2945 }
2946
2947 } /* if hardwired */
2948
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002949 if (bp->common.int_block == INT_BLOCK_HC)
2950 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2951 COMMAND_REG_ATTN_BITS_SET);
2952 else
2953 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2954
2955 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2956 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2957 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002958
2959 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002960 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002961 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002962 bnx2x_release_phy_lock(bp);
2963 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002964}
2965
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002966static inline void bnx2x_fan_failure(struct bnx2x *bp)
2967{
2968 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002969 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002970 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002971 ext_phy_config =
2972 SHMEM_RD(bp,
2973 dev_info.port_hw_config[port].external_phy_config);
2974
2975 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2976 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002977 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002978 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002979
2980 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002981 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2982 " the driver to shutdown the card to prevent permanent"
2983 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002984}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002985
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002986static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2987{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002988 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002989 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002990 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002991
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002992 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2993 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002994
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002995 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002996
2997 val = REG_RD(bp, reg_offset);
2998 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2999 REG_WR(bp, reg_offset, val);
3000
3001 BNX2X_ERR("SPIO5 hw attention\n");
3002
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003003 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00003004 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003005 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003006 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003007
Eilon Greenstein589abe32009-02-12 08:36:55 +00003008 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
3009 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
3010 bnx2x_acquire_phy_lock(bp);
3011 bnx2x_handle_module_detect_int(&bp->link_params);
3012 bnx2x_release_phy_lock(bp);
3013 }
3014
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003015 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3016
3017 val = REG_RD(bp, reg_offset);
3018 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3019 REG_WR(bp, reg_offset, val);
3020
3021 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003022 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003023 bnx2x_panic();
3024 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003025}
3026
3027static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3028{
3029 u32 val;
3030
Eilon Greenstein0626b892009-02-12 08:38:14 +00003031 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003032
3033 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3034 BNX2X_ERR("DB hw attention 0x%x\n", val);
3035 /* DORQ discard attention */
3036 if (val & 0x2)
3037 BNX2X_ERR("FATAL error from DORQ\n");
3038 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003039
3040 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3041
3042 int port = BP_PORT(bp);
3043 int reg_offset;
3044
3045 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3046 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3047
3048 val = REG_RD(bp, reg_offset);
3049 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3050 REG_WR(bp, reg_offset, val);
3051
3052 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003053 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003054 bnx2x_panic();
3055 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003056}
3057
3058static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3059{
3060 u32 val;
3061
3062 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3063
3064 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3065 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3066 /* CFC error attention */
3067 if (val & 0x2)
3068 BNX2X_ERR("FATAL error from CFC\n");
3069 }
3070
3071 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3072
3073 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3074 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3075 /* RQ_USDMDP_FIFO_OVERFLOW */
3076 if (val & 0x18000)
3077 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003078 if (CHIP_IS_E2(bp)) {
3079 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3080 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3081 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003082 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003083
3084 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3085
3086 int port = BP_PORT(bp);
3087 int reg_offset;
3088
3089 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3090 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3091
3092 val = REG_RD(bp, reg_offset);
3093 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3094 REG_WR(bp, reg_offset, val);
3095
3096 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003097 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003098 bnx2x_panic();
3099 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003100}
3101
3102static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3103{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003104 u32 val;
3105
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003106 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3107
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003108 if (attn & BNX2X_PMF_LINK_ASSERT) {
3109 int func = BP_FUNC(bp);
3110
3111 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003112 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3113 func_mf_config[BP_ABS_FUNC(bp)].config);
3114 val = SHMEM_RD(bp,
3115 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003116 if (val & DRV_STATUS_DCC_EVENT_MASK)
3117 bnx2x_dcc_event(bp,
3118 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003119
3120 if (val & DRV_STATUS_SET_MF_BW)
3121 bnx2x_set_mf_bw(bp);
3122
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003123 bnx2x__link_status_update(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003124 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003125 bnx2x_pmf_update(bp);
3126
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003127 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003128 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3129 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003130 /* start dcbx state machine */
3131 bnx2x_dcbx_set_params(bp,
3132 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003133 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003134
3135 BNX2X_ERR("MC assert!\n");
3136 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3137 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3138 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3139 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3140 bnx2x_panic();
3141
3142 } else if (attn & BNX2X_MCP_ASSERT) {
3143
3144 BNX2X_ERR("MCP assert!\n");
3145 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003146 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003147
3148 } else
3149 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3150 }
3151
3152 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003153 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3154 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003155 val = CHIP_IS_E1(bp) ? 0 :
3156 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003157 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3158 }
3159 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003160 val = CHIP_IS_E1(bp) ? 0 :
3161 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003162 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3163 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003164 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003165 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003166}
3167
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003168#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3169#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3170#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3171#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3172#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003173
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003174/*
3175 * should be run under rtnl lock
3176 */
3177static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3178{
3179 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3180 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3181 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3182 barrier();
3183 mmiowb();
3184}
3185
3186/*
3187 * should be run under rtnl lock
3188 */
3189static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3190{
3191 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3192 val |= (1 << 16);
3193 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3194 barrier();
3195 mmiowb();
3196}
3197
3198/*
3199 * should be run under rtnl lock
3200 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003201bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003202{
3203 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3204 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3205 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3206}
3207
3208/*
3209 * should be run under rtnl lock
3210 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003211inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003212{
3213 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3214
3215 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3216
3217 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3218 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3219 barrier();
3220 mmiowb();
3221}
3222
3223/*
3224 * should be run under rtnl lock
3225 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003226u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003227{
3228 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3229
3230 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3231
3232 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3233 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3234 barrier();
3235 mmiowb();
3236
3237 return val1;
3238}
3239
3240/*
3241 * should be run under rtnl lock
3242 */
3243static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3244{
3245 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3246}
3247
3248static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3249{
3250 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3251 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3252}
3253
3254static inline void _print_next_block(int idx, const char *blk)
3255{
3256 if (idx)
3257 pr_cont(", ");
3258 pr_cont("%s", blk);
3259}
3260
3261static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3262{
3263 int i = 0;
3264 u32 cur_bit = 0;
3265 for (i = 0; sig; i++) {
3266 cur_bit = ((u32)0x1 << i);
3267 if (sig & cur_bit) {
3268 switch (cur_bit) {
3269 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3270 _print_next_block(par_num++, "BRB");
3271 break;
3272 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3273 _print_next_block(par_num++, "PARSER");
3274 break;
3275 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3276 _print_next_block(par_num++, "TSDM");
3277 break;
3278 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3279 _print_next_block(par_num++, "SEARCHER");
3280 break;
3281 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3282 _print_next_block(par_num++, "TSEMI");
3283 break;
3284 }
3285
3286 /* Clear the bit */
3287 sig &= ~cur_bit;
3288 }
3289 }
3290
3291 return par_num;
3292}
3293
3294static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3295{
3296 int i = 0;
3297 u32 cur_bit = 0;
3298 for (i = 0; sig; i++) {
3299 cur_bit = ((u32)0x1 << i);
3300 if (sig & cur_bit) {
3301 switch (cur_bit) {
3302 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3303 _print_next_block(par_num++, "PBCLIENT");
3304 break;
3305 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3306 _print_next_block(par_num++, "QM");
3307 break;
3308 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3309 _print_next_block(par_num++, "XSDM");
3310 break;
3311 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3312 _print_next_block(par_num++, "XSEMI");
3313 break;
3314 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3315 _print_next_block(par_num++, "DOORBELLQ");
3316 break;
3317 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3318 _print_next_block(par_num++, "VAUX PCI CORE");
3319 break;
3320 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3321 _print_next_block(par_num++, "DEBUG");
3322 break;
3323 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3324 _print_next_block(par_num++, "USDM");
3325 break;
3326 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3327 _print_next_block(par_num++, "USEMI");
3328 break;
3329 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3330 _print_next_block(par_num++, "UPB");
3331 break;
3332 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3333 _print_next_block(par_num++, "CSDM");
3334 break;
3335 }
3336
3337 /* Clear the bit */
3338 sig &= ~cur_bit;
3339 }
3340 }
3341
3342 return par_num;
3343}
3344
3345static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3346{
3347 int i = 0;
3348 u32 cur_bit = 0;
3349 for (i = 0; sig; i++) {
3350 cur_bit = ((u32)0x1 << i);
3351 if (sig & cur_bit) {
3352 switch (cur_bit) {
3353 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3354 _print_next_block(par_num++, "CSEMI");
3355 break;
3356 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3357 _print_next_block(par_num++, "PXP");
3358 break;
3359 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3360 _print_next_block(par_num++,
3361 "PXPPCICLOCKCLIENT");
3362 break;
3363 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3364 _print_next_block(par_num++, "CFC");
3365 break;
3366 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3367 _print_next_block(par_num++, "CDU");
3368 break;
3369 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3370 _print_next_block(par_num++, "IGU");
3371 break;
3372 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3373 _print_next_block(par_num++, "MISC");
3374 break;
3375 }
3376
3377 /* Clear the bit */
3378 sig &= ~cur_bit;
3379 }
3380 }
3381
3382 return par_num;
3383}
3384
3385static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3386{
3387 int i = 0;
3388 u32 cur_bit = 0;
3389 for (i = 0; sig; i++) {
3390 cur_bit = ((u32)0x1 << i);
3391 if (sig & cur_bit) {
3392 switch (cur_bit) {
3393 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3394 _print_next_block(par_num++, "MCP ROM");
3395 break;
3396 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3397 _print_next_block(par_num++, "MCP UMP RX");
3398 break;
3399 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3400 _print_next_block(par_num++, "MCP UMP TX");
3401 break;
3402 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3403 _print_next_block(par_num++, "MCP SCPAD");
3404 break;
3405 }
3406
3407 /* Clear the bit */
3408 sig &= ~cur_bit;
3409 }
3410 }
3411
3412 return par_num;
3413}
3414
3415static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3416 u32 sig2, u32 sig3)
3417{
3418 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3419 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3420 int par_num = 0;
3421 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3422 "[0]:0x%08x [1]:0x%08x "
3423 "[2]:0x%08x [3]:0x%08x\n",
3424 sig0 & HW_PRTY_ASSERT_SET_0,
3425 sig1 & HW_PRTY_ASSERT_SET_1,
3426 sig2 & HW_PRTY_ASSERT_SET_2,
3427 sig3 & HW_PRTY_ASSERT_SET_3);
3428 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3429 bp->dev->name);
3430 par_num = bnx2x_print_blocks_with_parity0(
3431 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3432 par_num = bnx2x_print_blocks_with_parity1(
3433 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3434 par_num = bnx2x_print_blocks_with_parity2(
3435 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3436 par_num = bnx2x_print_blocks_with_parity3(
3437 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3438 printk("\n");
3439 return true;
3440 } else
3441 return false;
3442}
3443
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003444bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003445{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003446 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003447 int port = BP_PORT(bp);
3448
3449 attn.sig[0] = REG_RD(bp,
3450 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3451 port*4);
3452 attn.sig[1] = REG_RD(bp,
3453 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3454 port*4);
3455 attn.sig[2] = REG_RD(bp,
3456 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3457 port*4);
3458 attn.sig[3] = REG_RD(bp,
3459 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3460 port*4);
3461
3462 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3463 attn.sig[3]);
3464}
3465
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003466
3467static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3468{
3469 u32 val;
3470 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3471
3472 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3473 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3474 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3475 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3476 "ADDRESS_ERROR\n");
3477 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3478 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3479 "INCORRECT_RCV_BEHAVIOR\n");
3480 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3481 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3482 "WAS_ERROR_ATTN\n");
3483 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3484 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3485 "VF_LENGTH_VIOLATION_ATTN\n");
3486 if (val &
3487 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3488 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3489 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3490 if (val &
3491 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3492 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3493 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3494 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3495 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3496 "TCPL_ERROR_ATTN\n");
3497 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3498 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3499 "TCPL_IN_TWO_RCBS_ATTN\n");
3500 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3501 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3502 "CSSNOOP_FIFO_OVERFLOW\n");
3503 }
3504 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3505 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3506 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3507 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3508 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3509 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3510 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3511 "_ATC_TCPL_TO_NOT_PEND\n");
3512 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3513 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3514 "ATC_GPA_MULTIPLE_HITS\n");
3515 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3516 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3517 "ATC_RCPL_TO_EMPTY_CNT\n");
3518 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3519 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3520 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3521 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3522 "ATC_IREQ_LESS_THAN_STU\n");
3523 }
3524
3525 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3526 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3527 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3528 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3529 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3530 }
3531
3532}
3533
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003534static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3535{
3536 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003537 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003538 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003539 u32 reg_addr;
3540 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003541 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003542
3543 /* need to take HW lock because MCP or other port might also
3544 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003545 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003546
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003547 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003548 bp->recovery_state = BNX2X_RECOVERY_INIT;
3549 bnx2x_set_reset_in_progress(bp);
3550 schedule_delayed_work(&bp->reset_task, 0);
3551 /* Disable HW interrupts */
3552 bnx2x_int_disable(bp);
3553 bnx2x_release_alr(bp);
3554 /* In case of parity errors don't handle attentions so that
3555 * other function would "see" parity errors.
3556 */
3557 return;
3558 }
3559
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003560 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3561 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3562 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3563 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003564 if (CHIP_IS_E2(bp))
3565 attn.sig[4] =
3566 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3567 else
3568 attn.sig[4] = 0;
3569
3570 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3571 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003572
3573 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3574 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003575 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003576
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003577 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3578 "%08x %08x %08x\n",
3579 index,
3580 group_mask->sig[0], group_mask->sig[1],
3581 group_mask->sig[2], group_mask->sig[3],
3582 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003583
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003584 bnx2x_attn_int_deasserted4(bp,
3585 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003586 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003587 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003588 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003589 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003590 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003591 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003592 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003593 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003594 }
3595 }
3596
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003597 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003598
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003599 if (bp->common.int_block == INT_BLOCK_HC)
3600 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3601 COMMAND_REG_ATTN_BITS_CLR);
3602 else
3603 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003604
3605 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003606 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3607 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003608 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003609
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003610 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003611 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003612
3613 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3614 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3615
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003616 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3617 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003618
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003619 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3620 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003621 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003622 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3623
3624 REG_WR(bp, reg_addr, aeu_mask);
3625 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003626
3627 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3628 bp->attn_state &= ~deasserted;
3629 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3630}
3631
3632static void bnx2x_attn_int(struct bnx2x *bp)
3633{
3634 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003635 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3636 attn_bits);
3637 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3638 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003639 u32 attn_state = bp->attn_state;
3640
3641 /* look for changed bits */
3642 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3643 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3644
3645 DP(NETIF_MSG_HW,
3646 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3647 attn_bits, attn_ack, asserted, deasserted);
3648
3649 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003650 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003651
3652 /* handle bits that were raised */
3653 if (asserted)
3654 bnx2x_attn_int_asserted(bp, asserted);
3655
3656 if (deasserted)
3657 bnx2x_attn_int_deasserted(bp, deasserted);
3658}
3659
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003660static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3661{
3662 /* No memory barriers */
3663 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3664 mmiowb(); /* keep prod updates ordered */
3665}
3666
3667#ifdef BCM_CNIC
3668static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3669 union event_ring_elem *elem)
3670{
3671 if (!bp->cnic_eth_dev.starting_cid ||
3672 cid < bp->cnic_eth_dev.starting_cid)
3673 return 1;
3674
3675 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3676
3677 if (unlikely(elem->message.data.cfc_del_event.error)) {
3678 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3679 cid);
3680 bnx2x_panic_dump(bp);
3681 }
3682 bnx2x_cnic_cfc_comp(bp, cid);
3683 return 0;
3684}
3685#endif
3686
3687static void bnx2x_eq_int(struct bnx2x *bp)
3688{
3689 u16 hw_cons, sw_cons, sw_prod;
3690 union event_ring_elem *elem;
3691 u32 cid;
3692 u8 opcode;
3693 int spqe_cnt = 0;
3694
3695 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3696
3697 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3698 * when we get the the next-page we nned to adjust so the loop
3699 * condition below will be met. The next element is the size of a
3700 * regular element and hence incrementing by 1
3701 */
3702 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3703 hw_cons++;
3704
Lucas De Marchi25985ed2011-03-30 22:57:33 -03003705 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003706 * specific bp, thus there is no need in "paired" read memory
3707 * barrier here.
3708 */
3709 sw_cons = bp->eq_cons;
3710 sw_prod = bp->eq_prod;
3711
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003712 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->cq_spq_left %u\n",
3713 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003714
3715 for (; sw_cons != hw_cons;
3716 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3717
3718
3719 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3720
3721 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3722 opcode = elem->message.opcode;
3723
3724
3725 /* handle eq element */
3726 switch (opcode) {
3727 case EVENT_RING_OPCODE_STAT_QUERY:
3728 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3729 /* nothing to do with stats comp */
3730 continue;
3731
3732 case EVENT_RING_OPCODE_CFC_DEL:
3733 /* handle according to cid range */
3734 /*
3735 * we may want to verify here that the bp state is
3736 * HALTING
3737 */
3738 DP(NETIF_MSG_IFDOWN,
3739 "got delete ramrod for MULTI[%d]\n", cid);
3740#ifdef BCM_CNIC
3741 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3742 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003743 if (cid == BNX2X_FCOE_ETH_CID)
3744 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3745 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003746#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003747 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003748 BNX2X_FP_STATE_CLOSED;
3749
3750 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003751
3752 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3753 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3754 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3755 goto next_spqe;
3756 case EVENT_RING_OPCODE_START_TRAFFIC:
3757 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3758 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3759 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003760 }
3761
3762 switch (opcode | bp->state) {
3763 case (EVENT_RING_OPCODE_FUNCTION_START |
3764 BNX2X_STATE_OPENING_WAIT4_PORT):
3765 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3766 bp->state = BNX2X_STATE_FUNC_STARTED;
3767 break;
3768
3769 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3770 BNX2X_STATE_CLOSING_WAIT4_HALT):
3771 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3772 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3773 break;
3774
3775 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3776 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3777 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003778 if (elem->message.data.set_mac_event.echo)
3779 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003780 break;
3781
3782 case (EVENT_RING_OPCODE_SET_MAC |
3783 BNX2X_STATE_CLOSING_WAIT4_HALT):
3784 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003785 if (elem->message.data.set_mac_event.echo)
3786 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003787 break;
3788 default:
3789 /* unknown event log error and continue */
3790 BNX2X_ERR("Unknown EQ event %d\n",
3791 elem->message.opcode);
3792 }
3793next_spqe:
3794 spqe_cnt++;
3795 } /* for */
3796
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003797 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003798 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003799
3800 bp->eq_cons = sw_cons;
3801 bp->eq_prod = sw_prod;
3802 /* Make sure that above mem writes were issued towards the memory */
3803 smp_wmb();
3804
3805 /* update producer */
3806 bnx2x_update_eq_prod(bp, bp->eq_prod);
3807}
3808
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003809static void bnx2x_sp_task(struct work_struct *work)
3810{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003811 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003812 u16 status;
3813
3814 /* Return here if interrupt is disabled */
3815 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003816 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003817 return;
3818 }
3819
3820 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003821/* if (status == 0) */
3822/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003823
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003824 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003825
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003826 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003827 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003828 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003829 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003830 }
3831
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003832 /* SP events: STAT_QUERY and others */
3833 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003834#ifdef BCM_CNIC
3835 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003836
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003837 if ((!NO_FCOE(bp)) &&
3838 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3839 napi_schedule(&bnx2x_fcoe(bp, napi));
3840#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003841 /* Handle EQ completions */
3842 bnx2x_eq_int(bp);
3843
3844 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3845 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3846
3847 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003848 }
3849
3850 if (unlikely(status))
3851 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3852 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003853
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003854 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3855 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003856}
3857
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003858irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003859{
3860 struct net_device *dev = dev_instance;
3861 struct bnx2x *bp = netdev_priv(dev);
3862
3863 /* Return here if interrupt is disabled */
3864 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003865 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003866 return IRQ_HANDLED;
3867 }
3868
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003869 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3870 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003871
3872#ifdef BNX2X_STOP_ON_ERROR
3873 if (unlikely(bp->panic))
3874 return IRQ_HANDLED;
3875#endif
3876
Michael Chan993ac7b2009-10-10 13:46:56 +00003877#ifdef BCM_CNIC
3878 {
3879 struct cnic_ops *c_ops;
3880
3881 rcu_read_lock();
3882 c_ops = rcu_dereference(bp->cnic_ops);
3883 if (c_ops)
3884 c_ops->cnic_handler(bp->cnic_data, NULL);
3885 rcu_read_unlock();
3886 }
3887#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003888 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003889
3890 return IRQ_HANDLED;
3891}
3892
3893/* end of slow path */
3894
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003895static void bnx2x_timer(unsigned long data)
3896{
3897 struct bnx2x *bp = (struct bnx2x *) data;
3898
3899 if (!netif_running(bp->dev))
3900 return;
3901
3902 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003903 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003904
3905 if (poll) {
3906 struct bnx2x_fastpath *fp = &bp->fp[0];
3907 int rc;
3908
Eilon Greenstein7961f792009-03-02 07:59:31 +00003909 bnx2x_tx_int(fp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003910 rc = bnx2x_rx_int(fp, 1000);
3911 }
3912
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003913 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003914 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003915 u32 drv_pulse;
3916 u32 mcp_pulse;
3917
3918 ++bp->fw_drv_pulse_wr_seq;
3919 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3920 /* TBD - add SYSTEM_TIME */
3921 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003922 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003923
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003924 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003925 MCP_PULSE_SEQ_MASK);
3926 /* The delta between driver pulse and mcp response
3927 * should be 1 (before mcp response) or 0 (after mcp response)
3928 */
3929 if ((drv_pulse != mcp_pulse) &&
3930 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3931 /* someone lost a heartbeat... */
3932 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3933 drv_pulse, mcp_pulse);
3934 }
3935 }
3936
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003937 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003938 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003939
Eliezer Tamirf1410642008-02-28 11:51:50 -08003940timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003941 mod_timer(&bp->timer, jiffies + bp->current_interval);
3942}
3943
3944/* end of Statistics */
3945
3946/* nic init */
3947
3948/*
3949 * nic init service functions
3950 */
3951
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003952static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003953{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003954 u32 i;
3955 if (!(len%4) && !(addr%4))
3956 for (i = 0; i < len; i += 4)
3957 REG_WR(bp, addr + i, fill);
3958 else
3959 for (i = 0; i < len; i++)
3960 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003961
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003962}
3963
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003964/* helper: writes FP SP data to FW - data_size in dwords */
3965static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3966 int fw_sb_id,
3967 u32 *sb_data_p,
3968 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003969{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003970 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003971 for (index = 0; index < data_size; index++)
3972 REG_WR(bp, BAR_CSTRORM_INTMEM +
3973 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3974 sizeof(u32)*index,
3975 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003976}
3977
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003978static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3979{
3980 u32 *sb_data_p;
3981 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003982 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003983 struct hc_status_block_data_e1x sb_data_e1x;
3984
3985 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003986 if (CHIP_IS_E2(bp)) {
3987 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3988 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3989 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3990 sb_data_e2.common.p_func.vf_valid = false;
3991 sb_data_p = (u32 *)&sb_data_e2;
3992 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3993 } else {
3994 memset(&sb_data_e1x, 0,
3995 sizeof(struct hc_status_block_data_e1x));
3996 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3997 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3998 sb_data_e1x.common.p_func.vf_valid = false;
3999 sb_data_p = (u32 *)&sb_data_e1x;
4000 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4001 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004002 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4003
4004 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4005 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
4006 CSTORM_STATUS_BLOCK_SIZE);
4007 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4008 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
4009 CSTORM_SYNC_BLOCK_SIZE);
4010}
4011
4012/* helper: writes SP SB data to FW */
4013static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
4014 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004015{
4016 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004017 int i;
4018 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4019 REG_WR(bp, BAR_CSTRORM_INTMEM +
4020 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4021 i*sizeof(u32),
4022 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004023}
4024
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004025static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4026{
4027 int func = BP_FUNC(bp);
4028 struct hc_sp_status_block_data sp_sb_data;
4029 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4030
4031 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4032 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4033 sp_sb_data.p_func.vf_valid = false;
4034
4035 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4036
4037 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4038 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4039 CSTORM_SP_STATUS_BLOCK_SIZE);
4040 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4041 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4042 CSTORM_SP_SYNC_BLOCK_SIZE);
4043
4044}
4045
4046
4047static inline
4048void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4049 int igu_sb_id, int igu_seg_id)
4050{
4051 hc_sm->igu_sb_id = igu_sb_id;
4052 hc_sm->igu_seg_id = igu_seg_id;
4053 hc_sm->timer_value = 0xFF;
4054 hc_sm->time_to_expire = 0xFFFFFFFF;
4055}
4056
stephen hemminger8d962862010-10-21 07:50:56 +00004057static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004058 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4059{
4060 int igu_seg_id;
4061
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004062 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004063 struct hc_status_block_data_e1x sb_data_e1x;
4064 struct hc_status_block_sm *hc_sm_p;
4065 struct hc_index_data *hc_index_p;
4066 int data_size;
4067 u32 *sb_data_p;
4068
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004069 if (CHIP_INT_MODE_IS_BC(bp))
4070 igu_seg_id = HC_SEG_ACCESS_NORM;
4071 else
4072 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004073
4074 bnx2x_zero_fp_sb(bp, fw_sb_id);
4075
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004076 if (CHIP_IS_E2(bp)) {
4077 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4078 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4079 sb_data_e2.common.p_func.vf_id = vfid;
4080 sb_data_e2.common.p_func.vf_valid = vf_valid;
4081 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4082 sb_data_e2.common.same_igu_sb_1b = true;
4083 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4084 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4085 hc_sm_p = sb_data_e2.common.state_machine;
4086 hc_index_p = sb_data_e2.index_data;
4087 sb_data_p = (u32 *)&sb_data_e2;
4088 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4089 } else {
4090 memset(&sb_data_e1x, 0,
4091 sizeof(struct hc_status_block_data_e1x));
4092 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4093 sb_data_e1x.common.p_func.vf_id = 0xff;
4094 sb_data_e1x.common.p_func.vf_valid = false;
4095 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4096 sb_data_e1x.common.same_igu_sb_1b = true;
4097 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4098 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4099 hc_sm_p = sb_data_e1x.common.state_machine;
4100 hc_index_p = sb_data_e1x.index_data;
4101 sb_data_p = (u32 *)&sb_data_e1x;
4102 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4103 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004104
4105 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4106 igu_sb_id, igu_seg_id);
4107 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4108 igu_sb_id, igu_seg_id);
4109
4110 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4111
4112 /* write indecies to HW */
4113 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4114}
4115
4116static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4117 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004118{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004119 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004120 u8 ticks = usec / BNX2X_BTR;
4121
4122 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4123
4124 disable = disable ? 1 : (usec ? 0 : 1);
4125 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4126}
4127
4128static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4129 u16 tx_usec, u16 rx_usec)
4130{
4131 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4132 false, rx_usec);
4133 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4134 false, tx_usec);
4135}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004136
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004137static void bnx2x_init_def_sb(struct bnx2x *bp)
4138{
4139 struct host_sp_status_block *def_sb = bp->def_status_blk;
4140 dma_addr_t mapping = bp->def_status_blk_mapping;
4141 int igu_sp_sb_index;
4142 int igu_seg_id;
4143 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004144 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004145 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004146 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004147 int index;
4148 struct hc_sp_status_block_data sp_sb_data;
4149 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4150
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004151 if (CHIP_INT_MODE_IS_BC(bp)) {
4152 igu_sp_sb_index = DEF_SB_IGU_ID;
4153 igu_seg_id = HC_SEG_ACCESS_DEF;
4154 } else {
4155 igu_sp_sb_index = bp->igu_dsb_id;
4156 igu_seg_id = IGU_SEG_ACCESS_DEF;
4157 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004158
4159 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004160 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004161 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004162 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004163
Eliezer Tamir49d66772008-02-28 11:53:13 -08004164 bp->attn_state = 0;
4165
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004166 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4167 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004168 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004169 int sindex;
4170 /* take care of sig[0]..sig[4] */
4171 for (sindex = 0; sindex < 4; sindex++)
4172 bp->attn_group[index].sig[sindex] =
4173 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004174
4175 if (CHIP_IS_E2(bp))
4176 /*
4177 * enable5 is separate from the rest of the registers,
4178 * and therefore the address skip is 4
4179 * and not 16 between the different groups
4180 */
4181 bp->attn_group[index].sig[4] = REG_RD(bp,
4182 reg_offset + 0x10 + 0x4*index);
4183 else
4184 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004185 }
4186
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004187 if (bp->common.int_block == INT_BLOCK_HC) {
4188 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4189 HC_REG_ATTN_MSG0_ADDR_L);
4190
4191 REG_WR(bp, reg_offset, U64_LO(section));
4192 REG_WR(bp, reg_offset + 4, U64_HI(section));
4193 } else if (CHIP_IS_E2(bp)) {
4194 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4195 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4196 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004197
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004198 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4199 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004200
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004201 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004202
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004203 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4204 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4205 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4206 sp_sb_data.igu_seg_id = igu_seg_id;
4207 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004208 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004209 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004210
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004211 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004212
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004213 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004214 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004215
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004216 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004217}
4218
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004219void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004220{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004221 int i;
4222
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004223 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004224 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07004225 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004226}
4227
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004228static void bnx2x_init_sp_ring(struct bnx2x *bp)
4229{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004230 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004231 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004232
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004233 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004234 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4235 bp->spq_prod_bd = bp->spq;
4236 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004237}
4238
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004239static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004240{
4241 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004242 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4243 union event_ring_elem *elem =
4244 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004245
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004246 elem->next_page.addr.hi =
4247 cpu_to_le32(U64_HI(bp->eq_mapping +
4248 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4249 elem->next_page.addr.lo =
4250 cpu_to_le32(U64_LO(bp->eq_mapping +
4251 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004252 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004253 bp->eq_cons = 0;
4254 bp->eq_prod = NUM_EQ_DESC;
4255 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004256 /* we want a warning message before it gets rought... */
4257 atomic_set(&bp->eq_spq_left,
4258 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004259}
4260
Tom Herbertab532cf2011-02-16 10:27:02 +00004261void bnx2x_push_indir_table(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004262{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004263 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004264 int i;
4265
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004266 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004267 return;
4268
4269 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004270 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004271 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Tom Herbertab532cf2011-02-16 10:27:02 +00004272 bp->fp->cl_id + bp->rx_indir_table[i]);
4273}
4274
4275static void bnx2x_init_ind_table(struct bnx2x *bp)
4276{
4277 int i;
4278
4279 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4280 bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);
4281
4282 bnx2x_push_indir_table(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004283}
4284
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004285void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004286{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004287 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004288 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004289 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004290 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004291
Eilon Greenstein581ce432009-07-29 00:20:04 +00004292 /* All but management unicast packets should pass to the host as well */
4293 u32 llh_mask =
4294 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4295 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4296 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4297 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004298
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004299 switch (mode) {
4300 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004301 def_q_filters = BNX2X_ACCEPT_NONE;
4302#ifdef BCM_CNIC
4303 if (!NO_FCOE(bp)) {
4304 cl_id = bnx2x_fcoe(bp, cl_id);
4305 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4306 }
4307#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004308 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004309
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004310 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004311 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4312 BNX2X_ACCEPT_MULTICAST;
4313#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004314 if (!NO_FCOE(bp)) {
4315 cl_id = bnx2x_fcoe(bp, cl_id);
4316 bnx2x_rxq_set_mac_filters(bp, cl_id,
4317 BNX2X_ACCEPT_UNICAST |
4318 BNX2X_ACCEPT_MULTICAST);
4319 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004320#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004321 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004322
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004323 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004324 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4325 BNX2X_ACCEPT_ALL_MULTICAST;
4326#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004327 /*
4328 * Prevent duplication of multicast packets by configuring FCoE
4329 * L2 Client to receive only matched unicast frames.
4330 */
4331 if (!NO_FCOE(bp)) {
4332 cl_id = bnx2x_fcoe(bp, cl_id);
4333 bnx2x_rxq_set_mac_filters(bp, cl_id,
4334 BNX2X_ACCEPT_UNICAST);
4335 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004336#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004337 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004338
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004339 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004340 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4341#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004342 /*
4343 * Prevent packets duplication by configuring DROP_ALL for FCoE
4344 * L2 Client.
4345 */
4346 if (!NO_FCOE(bp)) {
4347 cl_id = bnx2x_fcoe(bp, cl_id);
4348 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4349 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004350#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004351 /* pass management unicast packets as well */
4352 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004353 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004354
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004355 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004356 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4357 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004358 }
4359
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004360 cl_id = BP_L_ID(bp);
4361 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4362
Eilon Greenstein581ce432009-07-29 00:20:04 +00004363 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004364 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4365 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004366
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004367 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4368 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004369 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4370 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004371 bp->mac_filters.ucast_drop_all,
4372 bp->mac_filters.mcast_drop_all,
4373 bp->mac_filters.bcast_drop_all,
4374 bp->mac_filters.ucast_accept_all,
4375 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004376 bp->mac_filters.bcast_accept_all,
4377 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004378 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004379
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004380 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004381}
4382
Eilon Greenstein471de712008-08-13 15:49:35 -07004383static void bnx2x_init_internal_common(struct bnx2x *bp)
4384{
4385 int i;
4386
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004387 if (!CHIP_IS_E1(bp)) {
4388
4389 /* xstorm needs to know whether to add ovlan to packets or not,
4390 * in switch-independent we'll write 0 to here... */
4391 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004392 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004393 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004394 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004395 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004396 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004397 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004398 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004399 }
4400
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004401 if (IS_MF_SI(bp))
4402 /*
4403 * In switch independent mode, the TSTORM needs to accept
4404 * packets that failed classification, since approximate match
4405 * mac addresses aren't written to NIG LLH
4406 */
4407 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4408 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4409
Eilon Greenstein471de712008-08-13 15:49:35 -07004410 /* Zero this manually as its initialization is
4411 currently missing in the initTool */
4412 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4413 REG_WR(bp, BAR_USTRORM_INTMEM +
4414 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004415 if (CHIP_IS_E2(bp)) {
4416 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4417 CHIP_INT_MODE_IS_BC(bp) ?
4418 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4419 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004420}
4421
4422static void bnx2x_init_internal_port(struct bnx2x *bp)
4423{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004424 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004425 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004426}
4427
Eilon Greenstein471de712008-08-13 15:49:35 -07004428static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4429{
4430 switch (load_code) {
4431 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004432 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004433 bnx2x_init_internal_common(bp);
4434 /* no break */
4435
4436 case FW_MSG_CODE_DRV_LOAD_PORT:
4437 bnx2x_init_internal_port(bp);
4438 /* no break */
4439
4440 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004441 /* internal memory per function is
4442 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004443 break;
4444
4445 default:
4446 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4447 break;
4448 }
4449}
4450
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004451static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4452{
4453 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4454
4455 fp->state = BNX2X_FP_STATE_CLOSED;
4456
4457 fp->index = fp->cid = fp_idx;
4458 fp->cl_id = BP_L_ID(bp) + fp_idx;
4459 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4460 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4461 /* qZone id equals to FW (per path) client id */
4462 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004463 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4464 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004465 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004466 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4467 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004468 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4469 /* Setup SB indicies */
4470 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4471 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4472
4473 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4474 "cl_id %d fw_sb %d igu_sb %d\n",
4475 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4476 fp->igu_sb_id);
4477 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4478 fp->fw_sb_id, fp->igu_sb_id);
4479
4480 bnx2x_update_fpsb_idx(fp);
4481}
4482
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004483void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004484{
4485 int i;
4486
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004487 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004488 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004489#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004490 if (!NO_FCOE(bp))
4491 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004492
4493 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4494 BNX2X_VF_ID_INVALID, false,
4495 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4496
Michael Chan37b091b2009-10-10 13:46:55 +00004497#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004498
Eilon Greenstein16119782009-03-02 07:59:27 +00004499 /* ensure status block indices were read */
4500 rmb();
4501
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004502 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004503 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004504 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004505 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004506 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004507 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004508 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004509 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004510 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004511 bnx2x_stats_init(bp);
4512
4513 /* At this point, we are ready for interrupts */
4514 atomic_set(&bp->intr_sem, 0);
4515
4516 /* flush all before enabling interrupts */
4517 mb();
4518 mmiowb();
4519
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004520 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004521
4522 /* Check for SPIO5 */
4523 bnx2x_attn_int_deasserted0(bp,
4524 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4525 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004526}
4527
4528/* end of nic init */
4529
4530/*
4531 * gzip service functions
4532 */
4533
4534static int bnx2x_gunzip_init(struct bnx2x *bp)
4535{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004536 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4537 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004538 if (bp->gunzip_buf == NULL)
4539 goto gunzip_nomem1;
4540
4541 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4542 if (bp->strm == NULL)
4543 goto gunzip_nomem2;
4544
4545 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4546 GFP_KERNEL);
4547 if (bp->strm->workspace == NULL)
4548 goto gunzip_nomem3;
4549
4550 return 0;
4551
4552gunzip_nomem3:
4553 kfree(bp->strm);
4554 bp->strm = NULL;
4555
4556gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004557 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4558 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004559 bp->gunzip_buf = NULL;
4560
4561gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004562 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4563 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004564 return -ENOMEM;
4565}
4566
4567static void bnx2x_gunzip_end(struct bnx2x *bp)
4568{
4569 kfree(bp->strm->workspace);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004570 kfree(bp->strm);
4571 bp->strm = NULL;
4572
4573 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004574 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4575 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004576 bp->gunzip_buf = NULL;
4577 }
4578}
4579
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004580static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004581{
4582 int n, rc;
4583
4584 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004585 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4586 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004587 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004588 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004589
4590 n = 10;
4591
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004592#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004593
4594 if (zbuf[3] & FNAME)
4595 while ((zbuf[n++] != 0) && (n < len));
4596
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004597 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004598 bp->strm->avail_in = len - n;
4599 bp->strm->next_out = bp->gunzip_buf;
4600 bp->strm->avail_out = FW_BUF_SIZE;
4601
4602 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4603 if (rc != Z_OK)
4604 return rc;
4605
4606 rc = zlib_inflate(bp->strm, Z_FINISH);
4607 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004608 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4609 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004610
4611 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4612 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004613 netdev_err(bp->dev, "Firmware decompression error:"
4614 " gunzip_outlen (%d) not aligned\n",
4615 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004616 bp->gunzip_outlen >>= 2;
4617
4618 zlib_inflateEnd(bp->strm);
4619
4620 if (rc == Z_STREAM_END)
4621 return 0;
4622
4623 return rc;
4624}
4625
4626/* nic load/unload */
4627
4628/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004629 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004630 */
4631
4632/* send a NIG loopback debug packet */
4633static void bnx2x_lb_pckt(struct bnx2x *bp)
4634{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004635 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004636
4637 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004638 wb_write[0] = 0x55555555;
4639 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004640 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004641 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004642
4643 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004644 wb_write[0] = 0x09000000;
4645 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004646 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004647 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004648}
4649
4650/* some of the internal memories
4651 * are not directly readable from the driver
4652 * to test them we send debug packets
4653 */
4654static int bnx2x_int_mem_test(struct bnx2x *bp)
4655{
4656 int factor;
4657 int count, i;
4658 u32 val = 0;
4659
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004660 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004661 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004662 else if (CHIP_REV_IS_EMUL(bp))
4663 factor = 200;
4664 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004665 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004666
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004667 /* Disable inputs of parser neighbor blocks */
4668 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4669 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4670 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004671 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004672
4673 /* Write 0 to parser credits for CFC search request */
4674 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4675
4676 /* send Ethernet packet */
4677 bnx2x_lb_pckt(bp);
4678
4679 /* TODO do i reset NIG statistic? */
4680 /* Wait until NIG register shows 1 packet of size 0x10 */
4681 count = 1000 * factor;
4682 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004683
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004684 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4685 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004686 if (val == 0x10)
4687 break;
4688
4689 msleep(10);
4690 count--;
4691 }
4692 if (val != 0x10) {
4693 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4694 return -1;
4695 }
4696
4697 /* Wait until PRS register shows 1 packet */
4698 count = 1000 * factor;
4699 while (count) {
4700 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004701 if (val == 1)
4702 break;
4703
4704 msleep(10);
4705 count--;
4706 }
4707 if (val != 0x1) {
4708 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4709 return -2;
4710 }
4711
4712 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004713 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004714 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004715 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004716 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004717 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4718 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004719
4720 DP(NETIF_MSG_HW, "part2\n");
4721
4722 /* Disable inputs of parser neighbor blocks */
4723 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4724 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4725 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004726 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004727
4728 /* Write 0 to parser credits for CFC search request */
4729 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4730
4731 /* send 10 Ethernet packets */
4732 for (i = 0; i < 10; i++)
4733 bnx2x_lb_pckt(bp);
4734
4735 /* Wait until NIG register shows 10 + 1
4736 packets of size 11*0x10 = 0xb0 */
4737 count = 1000 * factor;
4738 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004739
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004740 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4741 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004742 if (val == 0xb0)
4743 break;
4744
4745 msleep(10);
4746 count--;
4747 }
4748 if (val != 0xb0) {
4749 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4750 return -3;
4751 }
4752
4753 /* Wait until PRS register shows 2 packets */
4754 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4755 if (val != 2)
4756 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4757
4758 /* Write 1 to parser credits for CFC search request */
4759 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4760
4761 /* Wait until PRS register shows 3 packets */
4762 msleep(10 * factor);
4763 /* Wait until NIG register shows 1 packet of size 0x10 */
4764 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4765 if (val != 3)
4766 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4767
4768 /* clear NIG EOP FIFO */
4769 for (i = 0; i < 11; i++)
4770 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4771 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4772 if (val != 1) {
4773 BNX2X_ERR("clear of NIG failed\n");
4774 return -4;
4775 }
4776
4777 /* Reset and init BRB, PRS, NIG */
4778 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4779 msleep(50);
4780 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4781 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004782 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4783 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004784#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004785 /* set NIC mode */
4786 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4787#endif
4788
4789 /* Enable inputs of parser neighbor blocks */
4790 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4791 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4792 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004793 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004794
4795 DP(NETIF_MSG_HW, "done\n");
4796
4797 return 0; /* OK */
4798}
4799
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004800static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004801{
4802 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004803 if (CHIP_IS_E2(bp))
4804 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4805 else
4806 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004807 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4808 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004809 /*
4810 * mask read length error interrupts in brb for parser
4811 * (parsing unit and 'checksum and crc' unit)
4812 * these errors are legal (PU reads fixed length and CAC can cause
4813 * read length error on truncated packets)
4814 */
4815 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004816 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4817 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4818 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4819 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4820 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004821/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4822/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004823 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4824 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4825 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004826/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4827/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004828 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4829 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4830 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4831 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004832/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4833/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004834
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004835 if (CHIP_REV_IS_FPGA(bp))
4836 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004837 else if (CHIP_IS_E2(bp))
4838 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4839 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4840 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4841 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4842 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4843 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004844 else
4845 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004846 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4847 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4848 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004849/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4850/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004851 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4852 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004853/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004854 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004855}
4856
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004857static void bnx2x_reset_common(struct bnx2x *bp)
4858{
4859 /* reset_common */
4860 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4861 0xd3ffff7f);
4862 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4863}
4864
Eilon Greenstein573f2032009-08-12 08:24:14 +00004865static void bnx2x_init_pxp(struct bnx2x *bp)
4866{
4867 u16 devctl;
4868 int r_order, w_order;
4869
4870 pci_read_config_word(bp->pdev,
4871 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4872 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4873 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4874 if (bp->mrrs == -1)
4875 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4876 else {
4877 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4878 r_order = bp->mrrs;
4879 }
4880
4881 bnx2x_init_pxp_arb(bp, r_order, w_order);
4882}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004883
4884static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4885{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004886 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004887 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004888 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004889
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004890 if (BP_NOMCP(bp))
4891 return;
4892
4893 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004894 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4895 SHARED_HW_CFG_FAN_FAILURE_MASK;
4896
4897 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4898 is_required = 1;
4899
4900 /*
4901 * The fan failure mechanism is usually related to the PHY type since
4902 * the power consumption of the board is affected by the PHY. Currently,
4903 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4904 */
4905 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4906 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004907 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004908 bnx2x_fan_failure_det_req(
4909 bp,
4910 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004911 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004912 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004913 }
4914
4915 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4916
4917 if (is_required == 0)
4918 return;
4919
4920 /* Fan failure is indicated by SPIO 5 */
4921 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4922 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4923
4924 /* set to active low mode */
4925 val = REG_RD(bp, MISC_REG_SPIO_INT);
4926 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004927 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004928 REG_WR(bp, MISC_REG_SPIO_INT, val);
4929
4930 /* enable interrupt to signal the IGU */
4931 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4932 val |= (1 << MISC_REGISTERS_SPIO_5);
4933 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4934}
4935
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004936static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4937{
4938 u32 offset = 0;
4939
4940 if (CHIP_IS_E1(bp))
4941 return;
4942 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4943 return;
4944
4945 switch (BP_ABS_FUNC(bp)) {
4946 case 0:
4947 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4948 break;
4949 case 1:
4950 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4951 break;
4952 case 2:
4953 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4954 break;
4955 case 3:
4956 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4957 break;
4958 case 4:
4959 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4960 break;
4961 case 5:
4962 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4963 break;
4964 case 6:
4965 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4966 break;
4967 case 7:
4968 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4969 break;
4970 default:
4971 return;
4972 }
4973
4974 REG_WR(bp, offset, pretend_func_num);
4975 REG_RD(bp, offset);
4976 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4977}
4978
4979static void bnx2x_pf_disable(struct bnx2x *bp)
4980{
4981 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4982 val &= ~IGU_PF_CONF_FUNC_EN;
4983
4984 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4985 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4986 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4987}
4988
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004989static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004990{
4991 u32 val, i;
4992
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004993 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004994
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004995 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004996 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4997 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4998
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004999 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005000 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005001 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005002
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005003 if (CHIP_IS_E2(bp)) {
5004 u8 fid;
5005
5006 /**
5007 * 4-port mode or 2-port mode we need to turn of master-enable
5008 * for everyone, after that, turn it back on for self.
5009 * so, we disregard multi-function or not, and always disable
5010 * for all functions on the given path, this means 0,2,4,6 for
5011 * path 0 and 1,3,5,7 for path 1
5012 */
5013 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
5014 if (fid == BP_ABS_FUNC(bp)) {
5015 REG_WR(bp,
5016 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
5017 1);
5018 continue;
5019 }
5020
5021 bnx2x_pretend_func(bp, fid);
5022 /* clear pf enable */
5023 bnx2x_pf_disable(bp);
5024 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5025 }
5026 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005027
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005028 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005029 if (CHIP_IS_E1(bp)) {
5030 /* enable HW interrupt from PXP on USDM overflow
5031 bit 16 on INT_MASK_0 */
5032 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005033 }
5034
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005035 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005036 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005037
5038#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005039 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5040 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5041 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5042 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5043 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005044 /* make sure this value is 0 */
5045 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005046
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005047/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5048 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5049 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5050 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5051 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005052#endif
5053
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005054 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5055
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005056 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5057 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005058
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005059 /* let the HW do it's magic ... */
5060 msleep(100);
5061 /* finish PXP init */
5062 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5063 if (val != 1) {
5064 BNX2X_ERR("PXP2 CFG failed\n");
5065 return -EBUSY;
5066 }
5067 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5068 if (val != 1) {
5069 BNX2X_ERR("PXP2 RD_INIT failed\n");
5070 return -EBUSY;
5071 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005072
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005073 /* Timers bug workaround E2 only. We need to set the entire ILT to
5074 * have entries with value "0" and valid bit on.
5075 * This needs to be done by the first PF that is loaded in a path
5076 * (i.e. common phase)
5077 */
5078 if (CHIP_IS_E2(bp)) {
5079 struct ilt_client_info ilt_cli;
5080 struct bnx2x_ilt ilt;
5081 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5082 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5083
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005084 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005085 ilt_cli.start = 0;
5086 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5087 ilt_cli.client_num = ILT_CLIENT_TM;
5088
5089 /* Step 1: set zeroes to all ilt page entries with valid bit on
5090 * Step 2: set the timers first/last ilt entry to point
5091 * to the entire range to prevent ILT range error for 3rd/4th
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005092 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005093 *
5094 * both steps performed by call to bnx2x_ilt_client_init_op()
5095 * with dummy TM client
5096 *
5097 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5098 * and his brother are split registers
5099 */
5100 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5101 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5102 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5103
5104 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5105 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5106 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5107 }
5108
5109
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005110 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5111 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005112
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005113 if (CHIP_IS_E2(bp)) {
5114 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5115 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5116 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5117
5118 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5119
5120 /* let the HW do it's magic ... */
5121 do {
5122 msleep(200);
5123 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5124 } while (factor-- && (val != 1));
5125
5126 if (val != 1) {
5127 BNX2X_ERR("ATC_INIT failed\n");
5128 return -EBUSY;
5129 }
5130 }
5131
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005132 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005133
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005134 /* clean the DMAE memory */
5135 bp->dmae_ready = 1;
5136 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005137
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005138 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5139 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5140 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5141 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005142
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005143 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5144 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5145 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5146 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5147
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005148 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005149
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005150 if (CHIP_MODE_IS_4_PORT(bp))
5151 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005152
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005153 /* QM queues pointers table */
5154 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005155
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005156 /* soft reset pulse */
5157 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5158 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005159
Michael Chan37b091b2009-10-10 13:46:55 +00005160#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005161 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005162#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005163
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005164 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005165 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5166
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005167 if (!CHIP_REV_IS_SLOW(bp)) {
5168 /* enable hw interrupt from doorbell Q */
5169 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5170 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005171
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005172 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005173 if (CHIP_MODE_IS_4_PORT(bp)) {
5174 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5175 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5176 }
5177
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005178 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005179 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005180#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005181 /* set NIC mode */
5182 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005183#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005184 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005185 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005186
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005187 if (CHIP_IS_E2(bp)) {
5188 /* Bit-map indicating which L2 hdrs may appear after the
5189 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005190 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005191 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5192 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5193 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005194
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005195 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5196 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5197 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5198 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005199
Eilon Greensteinca003922009-08-12 22:53:28 -07005200 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5201 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5202 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5203 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005204
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005205 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5206 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5207 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5208 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005209
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005210 if (CHIP_MODE_IS_4_PORT(bp))
5211 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5212
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005213 /* sync semi rtc */
5214 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5215 0x80000000);
5216 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5217 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005218
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005219 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5220 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5221 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005222
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005223 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005224 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005225 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5226 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5227 }
5228
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005229 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005230 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5231 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005232
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005233 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005234#ifdef BCM_CNIC
5235 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5236 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5237 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5238 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5239 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5240 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5241 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5242 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5243 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5244 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5245#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005246 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005247
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005248 if (sizeof(union cdu_context) != 1024)
5249 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005250 dev_alert(&bp->pdev->dev, "please adjust the size "
5251 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005252 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005253
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005254 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005255 val = (4 << 24) + (0 << 12) + 1024;
5256 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005257
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005258 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005259 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005260 /* enable context validation interrupt from CFC */
5261 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5262
5263 /* set the thresholds to prevent CFC/CDU race */
5264 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005265
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005266 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005267
5268 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5269 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5270
5271 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005272 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005273
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005274 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005275 /* Reset PCIE errors for debug */
5276 REG_WR(bp, 0x2814, 0xffffffff);
5277 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005278
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005279 if (CHIP_IS_E2(bp)) {
5280 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5281 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5282 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5283 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5284 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5285 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5286 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5287 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5288 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5289 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5290 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5291 }
5292
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005293 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005294 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005295 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005296 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005297
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005298 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005299 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005300 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005301 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005302 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005303 if (CHIP_IS_E2(bp)) {
5304 /* Bit-map indicating which L2 hdrs may appear after the
5305 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005306 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005307 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005308
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005309 if (CHIP_REV_IS_SLOW(bp))
5310 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005311
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005312 /* finish CFC init */
5313 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5314 if (val != 1) {
5315 BNX2X_ERR("CFC LL_INIT failed\n");
5316 return -EBUSY;
5317 }
5318 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5319 if (val != 1) {
5320 BNX2X_ERR("CFC AC_INIT failed\n");
5321 return -EBUSY;
5322 }
5323 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5324 if (val != 1) {
5325 BNX2X_ERR("CFC CAM_INIT failed\n");
5326 return -EBUSY;
5327 }
5328 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005329
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005330 if (CHIP_IS_E1(bp)) {
5331 /* read NIG statistic
5332 to see if this is our first up since powerup */
5333 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5334 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005335
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005336 /* do internal memory self test */
5337 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5338 BNX2X_ERR("internal mem self test failed\n");
5339 return -EBUSY;
5340 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005341 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005342
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005343 bnx2x_setup_fan_failure_detection(bp);
5344
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005345 /* clear PXP2 attentions */
5346 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005347
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005348 bnx2x_enable_blocks_attention(bp);
5349 if (CHIP_PARITY_ENABLED(bp))
5350 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005351
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005352 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005353 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5354 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5355 CHIP_IS_E1x(bp)) {
5356 u32 shmem_base[2], shmem2_base[2];
5357 shmem_base[0] = bp->common.shmem_base;
5358 shmem2_base[0] = bp->common.shmem2_base;
5359 if (CHIP_IS_E2(bp)) {
5360 shmem_base[1] =
5361 SHMEM2_RD(bp, other_shmem_base_addr);
5362 shmem2_base[1] =
5363 SHMEM2_RD(bp, other_shmem2_base_addr);
5364 }
5365 bnx2x_acquire_phy_lock(bp);
5366 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5367 bp->common.chip_id);
5368 bnx2x_release_phy_lock(bp);
5369 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005370 } else
5371 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5372
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005373 return 0;
5374}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005376static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005377{
5378 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005379 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005380 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005381 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005382
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005383 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005384
5385 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005386
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005387 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005388 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005389
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005390 /* Timers bug workaround: disables the pf_master bit in pglue at
5391 * common phase, we need to enable it here before any dmae access are
5392 * attempted. Therefore we manually added the enable-master to the
5393 * port phase (it also happens in the function phase)
5394 */
5395 if (CHIP_IS_E2(bp))
5396 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5397
Eilon Greensteinca003922009-08-12 22:53:28 -07005398 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5399 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5400 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005401 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005402
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005403 /* QM cid (connection) count */
5404 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005405
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005406#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005407 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005408 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5409 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005410#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005411
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005412 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005413
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005414 if (CHIP_MODE_IS_4_PORT(bp))
5415 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005416
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005417 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5418 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5419 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5420 /* no pause for emulation and FPGA */
5421 low = 0;
5422 high = 513;
5423 } else {
5424 if (IS_MF(bp))
5425 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5426 else if (bp->dev->mtu > 4096) {
5427 if (bp->flags & ONE_PORT_FLAG)
5428 low = 160;
5429 else {
5430 val = bp->dev->mtu;
5431 /* (24*1024 + val*4)/256 */
5432 low = 96 + (val/64) +
5433 ((val % 64) ? 1 : 0);
5434 }
5435 } else
5436 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5437 high = low + 56; /* 14*1024/256 */
5438 }
5439 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5440 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5441 }
5442
5443 if (CHIP_MODE_IS_4_PORT(bp)) {
5444 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5445 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5446 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5447 BRB1_REG_MAC_GUARANTIED_0), 40);
5448 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005449
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005450 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005451
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005452 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005453 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005454 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005455 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005456
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005457 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5458 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5459 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5460 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005461 if (CHIP_MODE_IS_4_PORT(bp))
5462 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005463
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005464 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005465 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005466
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005467 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005468
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005469 if (!CHIP_IS_E2(bp)) {
5470 /* configure PBF to work without PAUSE mtu 9000 */
5471 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005472
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005473 /* update threshold */
5474 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5475 /* update init credit */
5476 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005477
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005478 /* probe changes */
5479 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5480 udelay(50);
5481 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5482 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005483
Michael Chan37b091b2009-10-10 13:46:55 +00005484#ifdef BCM_CNIC
5485 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005486#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005487 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005488 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005489
5490 if (CHIP_IS_E1(bp)) {
5491 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5492 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5493 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005494 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005495
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005496 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5497
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005498 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005499 /* init aeu_mask_attn_func_0/1:
5500 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5501 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5502 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005503 val = IS_MF(bp) ? 0xF7 : 0x7;
5504 /* Enable DCBX attention for all but E1 */
5505 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5506 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005507
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005508 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005509 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005510 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005511 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005512 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005513
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005514 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005515
5516 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5517
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005518 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005519 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005520 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005521 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005522
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005523 if (CHIP_IS_E2(bp)) {
5524 val = 0;
5525 switch (bp->mf_mode) {
5526 case MULTI_FUNCTION_SD:
5527 val = 1;
5528 break;
5529 case MULTI_FUNCTION_SI:
5530 val = 2;
5531 break;
5532 }
5533
5534 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5535 NIG_REG_LLH0_CLS_TYPE), val);
5536 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005537 {
5538 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5539 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5540 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5541 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005542 }
5543
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005544 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005545 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005546 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005547 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005548 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5549 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5550 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005551 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005552 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005553 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005554 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005555
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005556 return 0;
5557}
5558
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005559static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5560{
5561 int reg;
5562
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005563 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005564 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005565 else
5566 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005567
5568 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5569}
5570
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005571static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5572{
5573 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5574}
5575
5576static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5577{
5578 u32 i, base = FUNC_ILT_BASE(func);
5579 for (i = base; i < base + ILT_PER_FUNC; i++)
5580 bnx2x_ilt_wr(bp, i, 0);
5581}
5582
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005583static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005584{
5585 int port = BP_PORT(bp);
5586 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005587 struct bnx2x_ilt *ilt = BP_ILT(bp);
5588 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005589 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005590 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5591 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005592
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005593 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005594
Eilon Greenstein8badd272009-02-12 08:36:15 +00005595 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005596 if (bp->common.int_block == INT_BLOCK_HC) {
5597 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5598 val = REG_RD(bp, addr);
5599 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5600 REG_WR(bp, addr, val);
5601 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005602
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005603 ilt = BP_ILT(bp);
5604 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005605
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005606 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5607 ilt->lines[cdu_ilt_start + i].page =
5608 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5609 ilt->lines[cdu_ilt_start + i].page_mapping =
5610 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5611 /* cdu ilt pages are allocated manually so there's no need to
5612 set the size */
5613 }
5614 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005615
Michael Chan37b091b2009-10-10 13:46:55 +00005616#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005617 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005618
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005619 /* T1 hash bits value determines the T1 number of entries */
5620 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005621#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005622
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005623#ifndef BCM_CNIC
5624 /* set NIC mode */
5625 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5626#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005627
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005628 if (CHIP_IS_E2(bp)) {
5629 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5630
5631 /* Turn on a single ISR mode in IGU if driver is going to use
5632 * INT#x or MSI
5633 */
5634 if (!(bp->flags & USING_MSIX_FLAG))
5635 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5636 /*
5637 * Timers workaround bug: function init part.
5638 * Need to wait 20msec after initializing ILT,
5639 * needed to make sure there are no requests in
5640 * one of the PXP internal queues with "old" ILT addresses
5641 */
5642 msleep(20);
5643 /*
5644 * Master enable - Due to WB DMAE writes performed before this
5645 * register is re-initialized as part of the regular function
5646 * init
5647 */
5648 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5649 /* Enable the function in IGU */
5650 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5651 }
5652
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005653 bp->dmae_ready = 1;
5654
5655 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5656
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005657 if (CHIP_IS_E2(bp))
5658 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5659
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005660 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5661 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5662 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5663 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5664 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5665 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5666 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5667 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5668 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5669
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005670 if (CHIP_IS_E2(bp)) {
5671 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5672 BP_PATH(bp));
5673 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5674 BP_PATH(bp));
5675 }
5676
5677 if (CHIP_MODE_IS_4_PORT(bp))
5678 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5679
5680 if (CHIP_IS_E2(bp))
5681 REG_WR(bp, QM_REG_PF_EN, 1);
5682
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005683 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005684
5685 if (CHIP_MODE_IS_4_PORT(bp))
5686 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5687
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005688 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5689 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5690 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5691 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5692 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5693 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5694 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5695 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5696 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5697 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5698 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005699 if (CHIP_IS_E2(bp))
5700 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5701
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005702 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5703
5704 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5705
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005706 if (CHIP_IS_E2(bp))
5707 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5708
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005709 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005710 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005711 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005712 }
5713
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005714 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5715
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005716 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005717 if (bp->common.int_block == INT_BLOCK_HC) {
5718 if (CHIP_IS_E1H(bp)) {
5719 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5720
5721 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5722 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5723 }
5724 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5725
5726 } else {
5727 int num_segs, sb_idx, prod_offset;
5728
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005729 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5730
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005731 if (CHIP_IS_E2(bp)) {
5732 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5733 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5734 }
5735
5736 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5737
5738 if (CHIP_IS_E2(bp)) {
5739 int dsb_idx = 0;
5740 /**
5741 * Producer memory:
5742 * E2 mode: address 0-135 match to the mapping memory;
5743 * 136 - PF0 default prod; 137 - PF1 default prod;
5744 * 138 - PF2 default prod; 139 - PF3 default prod;
5745 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5746 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5747 * 144-147 reserved.
5748 *
5749 * E1.5 mode - In backward compatible mode;
5750 * for non default SB; each even line in the memory
5751 * holds the U producer and each odd line hold
5752 * the C producer. The first 128 producers are for
5753 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5754 * producers are for the DSB for each PF.
5755 * Each PF has five segments: (the order inside each
5756 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5757 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5758 * 144-147 attn prods;
5759 */
5760 /* non-default-status-blocks */
5761 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5762 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5763 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5764 prod_offset = (bp->igu_base_sb + sb_idx) *
5765 num_segs;
5766
5767 for (i = 0; i < num_segs; i++) {
5768 addr = IGU_REG_PROD_CONS_MEMORY +
5769 (prod_offset + i) * 4;
5770 REG_WR(bp, addr, 0);
5771 }
5772 /* send consumer update with value 0 */
5773 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5774 USTORM_ID, 0, IGU_INT_NOP, 1);
5775 bnx2x_igu_clear_sb(bp,
5776 bp->igu_base_sb + sb_idx);
5777 }
5778
5779 /* default-status-blocks */
5780 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5781 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5782
5783 if (CHIP_MODE_IS_4_PORT(bp))
5784 dsb_idx = BP_FUNC(bp);
5785 else
5786 dsb_idx = BP_E1HVN(bp);
5787
5788 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5789 IGU_BC_BASE_DSB_PROD + dsb_idx :
5790 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5791
5792 for (i = 0; i < (num_segs * E1HVN_MAX);
5793 i += E1HVN_MAX) {
5794 addr = IGU_REG_PROD_CONS_MEMORY +
5795 (prod_offset + i)*4;
5796 REG_WR(bp, addr, 0);
5797 }
5798 /* send consumer update with 0 */
5799 if (CHIP_INT_MODE_IS_BC(bp)) {
5800 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5801 USTORM_ID, 0, IGU_INT_NOP, 1);
5802 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5803 CSTORM_ID, 0, IGU_INT_NOP, 1);
5804 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5805 XSTORM_ID, 0, IGU_INT_NOP, 1);
5806 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5807 TSTORM_ID, 0, IGU_INT_NOP, 1);
5808 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5809 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5810 } else {
5811 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5812 USTORM_ID, 0, IGU_INT_NOP, 1);
5813 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5814 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5815 }
5816 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5817
5818 /* !!! these should become driver const once
5819 rf-tool supports split-68 const */
5820 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5821 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5822 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5823 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5824 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5825 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5826 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005827 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005828
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005829 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005830 REG_WR(bp, 0x2114, 0xffffffff);
5831 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005832
5833 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5834 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5835 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5836 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5837 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5838 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5839
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005840 if (CHIP_IS_E1x(bp)) {
5841 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5842 main_mem_base = HC_REG_MAIN_MEMORY +
5843 BP_PORT(bp) * (main_mem_size * 4);
5844 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5845 main_mem_width = 8;
5846
5847 val = REG_RD(bp, main_mem_prty_clr);
5848 if (val)
5849 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5850 "block during "
5851 "function init (0x%x)!\n", val);
5852
5853 /* Clear "false" parity errors in MSI-X table */
5854 for (i = main_mem_base;
5855 i < main_mem_base + main_mem_size * 4;
5856 i += main_mem_width) {
5857 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5858 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5859 i, main_mem_width / 4);
5860 }
5861 /* Clear HC parity attention */
5862 REG_RD(bp, main_mem_prty_clr);
5863 }
5864
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005865 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005866
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005867 return 0;
5868}
5869
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005870int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005871{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005872 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005873
5874 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005875 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005876
5877 bp->dmae_ready = 0;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005878 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein54016b22009-08-12 08:23:48 +00005879 rc = bnx2x_gunzip_init(bp);
5880 if (rc)
5881 return rc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005882
5883 switch (load_code) {
5884 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005885 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005886 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005887 if (rc)
5888 goto init_hw_err;
5889 /* no break */
5890
5891 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005892 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005893 if (rc)
5894 goto init_hw_err;
5895 /* no break */
5896
5897 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005898 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005899 if (rc)
5900 goto init_hw_err;
5901 break;
5902
5903 default:
5904 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5905 break;
5906 }
5907
5908 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005909 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005910
5911 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005912 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005913 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005914 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5915 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005916
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005917init_hw_err:
5918 bnx2x_gunzip_end(bp);
5919
5920 return rc;
5921}
5922
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005923void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005924{
5925
5926#define BNX2X_PCI_FREE(x, y, size) \
5927 do { \
5928 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005929 dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005930 x = NULL; \
5931 y = 0; \
5932 } \
5933 } while (0)
5934
5935#define BNX2X_FREE(x) \
5936 do { \
5937 if (x) { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005938 kfree((void *)x); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005939 x = NULL; \
5940 } \
5941 } while (0)
5942
5943 int i;
5944
5945 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005946 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005947 for_each_queue(bp, i) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005948#ifdef BCM_CNIC
5949 /* FCoE client uses default status block */
5950 if (IS_FCOE_IDX(i)) {
5951 union host_hc_status_block *sb =
5952 &bnx2x_fp(bp, i, status_blk);
5953 memset(sb, 0, sizeof(union host_hc_status_block));
5954 bnx2x_fp(bp, i, status_blk_mapping) = 0;
5955 } else {
5956#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005957 /* status blocks */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005958 if (CHIP_IS_E2(bp))
5959 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
5960 bnx2x_fp(bp, i, status_blk_mapping),
5961 sizeof(struct host_hc_status_block_e2));
5962 else
5963 BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
5964 bnx2x_fp(bp, i, status_blk_mapping),
5965 sizeof(struct host_hc_status_block_e1x));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005966#ifdef BCM_CNIC
5967 }
5968#endif
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005969 }
5970 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005971 for_each_rx_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005972
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005973 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005974 BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
5975 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
5976 bnx2x_fp(bp, i, rx_desc_mapping),
5977 sizeof(struct eth_rx_bd) * NUM_RX_BD);
5978
5979 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
5980 bnx2x_fp(bp, i, rx_comp_mapping),
5981 sizeof(struct eth_fast_path_rx_cqe) *
5982 NUM_RCQ_BD);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005983
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005984 /* SGE ring */
Eilon Greenstein32626232008-08-13 15:51:07 -07005985 BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005986 BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
5987 bnx2x_fp(bp, i, rx_sge_mapping),
5988 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
5989 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005990 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00005991 for_each_tx_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005992
5993 /* fastpath tx rings: tx_buf tx_desc */
5994 BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
5995 BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
5996 bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07005997 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00005998 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005999 /* end of fastpath */
6000
6001 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006002 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006003
6004 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006005 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006006
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006007 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
6008 bp->context.size);
6009
6010 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
6011
6012 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006013
Michael Chan37b091b2009-10-10 13:46:55 +00006014#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006015 if (CHIP_IS_E2(bp))
6016 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
6017 sizeof(struct host_hc_status_block_e2));
6018 else
6019 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
6020 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006021
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006022 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006023#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006024
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006025 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006026
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006027 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
6028 BCM_PAGE_SIZE * NUM_EQ_PAGES);
6029
Tom Herbertab532cf2011-02-16 10:27:02 +00006030 BNX2X_FREE(bp->rx_indir_table);
6031
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006032#undef BNX2X_PCI_FREE
6033#undef BNX2X_KFREE
6034}
6035
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006036static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
6037{
6038 union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
6039 if (CHIP_IS_E2(bp)) {
6040 bnx2x_fp(bp, index, sb_index_values) =
6041 (__le16 *)status_blk.e2_sb->sb.index_values;
6042 bnx2x_fp(bp, index, sb_running_index) =
6043 (__le16 *)status_blk.e2_sb->sb.running_index;
6044 } else {
6045 bnx2x_fp(bp, index, sb_index_values) =
6046 (__le16 *)status_blk.e1x_sb->sb.index_values;
6047 bnx2x_fp(bp, index, sb_running_index) =
6048 (__le16 *)status_blk.e1x_sb->sb.running_index;
6049 }
6050}
6051
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006052int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006053{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006054#define BNX2X_PCI_ALLOC(x, y, size) \
6055 do { \
FUJITA Tomonori1a983142010-04-04 01:51:03 +00006056 x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006057 if (x == NULL) \
6058 goto alloc_mem_err; \
6059 memset(x, 0, size); \
6060 } while (0)
6061
6062#define BNX2X_ALLOC(x, size) \
6063 do { \
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006064 x = kzalloc(size, GFP_KERNEL); \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006065 if (x == NULL) \
6066 goto alloc_mem_err; \
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006067 } while (0)
6068
6069 int i;
6070
6071 /* fastpath */
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006072 /* Common */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006073 for_each_queue(bp, i) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006074 union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006075 bnx2x_fp(bp, i, bp) = bp;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006076 /* status blocks */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006077#ifdef BCM_CNIC
6078 if (!IS_FCOE_IDX(i)) {
6079#endif
6080 if (CHIP_IS_E2(bp))
6081 BNX2X_PCI_ALLOC(sb->e2_sb,
6082 &bnx2x_fp(bp, i, status_blk_mapping),
6083 sizeof(struct host_hc_status_block_e2));
6084 else
6085 BNX2X_PCI_ALLOC(sb->e1x_sb,
6086 &bnx2x_fp(bp, i, status_blk_mapping),
6087 sizeof(struct host_hc_status_block_e1x));
6088#ifdef BCM_CNIC
6089 }
6090#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006091 set_sb_shortcuts(bp, i);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006092 }
6093 /* Rx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006094 for_each_queue(bp, i) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006095
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006096 /* fastpath rx rings: rx_buf rx_desc rx_comp */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006097 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
6098 sizeof(struct sw_rx_bd) * NUM_RX_BD);
6099 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
6100 &bnx2x_fp(bp, i, rx_desc_mapping),
6101 sizeof(struct eth_rx_bd) * NUM_RX_BD);
6102
6103 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
6104 &bnx2x_fp(bp, i, rx_comp_mapping),
6105 sizeof(struct eth_fast_path_rx_cqe) *
6106 NUM_RCQ_BD);
6107
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07006108 /* SGE ring */
6109 BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
6110 sizeof(struct sw_rx_page) * NUM_RX_SGE);
6111 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
6112 &bnx2x_fp(bp, i, rx_sge_mapping),
6113 BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006114 }
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006115 /* Tx */
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00006116 for_each_queue(bp, i) {
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006117
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006118 /* fastpath tx rings: tx_buf tx_desc */
6119 BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
6120 sizeof(struct sw_tx_bd) * NUM_TX_BD);
6121 BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
6122 &bnx2x_fp(bp, i, tx_desc_mapping),
Eilon Greensteinca003922009-08-12 22:53:28 -07006123 sizeof(union eth_tx_bd_types) * NUM_TX_BD);
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006124 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006125 /* end of fastpath */
6126
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006127#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006128 if (CHIP_IS_E2(bp))
6129 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
6130 sizeof(struct host_hc_status_block_e2));
6131 else
6132 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
6133 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006134
6135 /* allocate searcher T2 table */
6136 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
6137#endif
6138
6139
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006140 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006141 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006142
6143 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
6144 sizeof(struct bnx2x_slowpath));
6145
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006146 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006147
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006148 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
6149 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006150
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006151 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006152
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006153 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
6154 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006155
6156 /* Slow path ring */
6157 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
6158
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006159 /* EQ */
6160 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
6161 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00006162
6163 BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
6164 TSTORM_INDIRECTION_TABLE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006165 return 0;
6166
6167alloc_mem_err:
6168 bnx2x_free_mem(bp);
6169 return -ENOMEM;
6170
6171#undef BNX2X_PCI_ALLOC
6172#undef BNX2X_ALLOC
6173}
6174
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006175/*
6176 * Init service functions
6177 */
stephen hemminger8d962862010-10-21 07:50:56 +00006178static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6179 int *state_p, int flags);
6180
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006181int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006182{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006183 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006184
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006185 /* Wait for completion */
6186 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6187 WAIT_RAMROD_COMMON);
6188}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006189
stephen hemminger8d962862010-10-21 07:50:56 +00006190static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006191{
6192 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006193
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006194 /* Wait for completion */
6195 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6196 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006197}
6198
Michael Chane665bfd2009-10-10 13:46:54 +00006199/**
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006200 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
Michael Chane665bfd2009-10-10 13:46:54 +00006201 *
6202 * @param bp driver descriptor
6203 * @param set set or clear an entry (1 or 0)
6204 * @param mac pointer to a buffer containing a MAC
6205 * @param cl_bit_vec bit vector of clients to register a MAC for
6206 * @param cam_offset offset in a CAM to use
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006207 * @param is_bcast is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006208 */
Joe Perches215faf92010-12-21 02:16:10 -08006209static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006210 u32 cl_bit_vec, u8 cam_offset,
6211 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006212{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006213 struct mac_configuration_cmd *config =
6214 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6215 int ramrod_flags = WAIT_RAMROD_COMMON;
6216
6217 bp->set_mac_pending = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006218
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006219 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006220 config->hdr.offset = cam_offset;
6221 config->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006222 /* Mark the single MAC configuration ramrod as opposed to a
6223 * UC/MC list configuration).
6224 */
6225 config->hdr.echo = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006226
6227 /* primary MAC */
6228 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006229 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006230 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006231 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006232 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006233 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006234 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006235 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006236 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006237 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006238 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006239 SET_FLAG(config->config_table[0].flags,
6240 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6241 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006242 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006243 SET_FLAG(config->config_table[0].flags,
6244 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6245 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006246
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006247 if (is_bcast)
6248 SET_FLAG(config->config_table[0].flags,
6249 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6250
6251 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006252 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006253 config->config_table[0].msb_mac_addr,
6254 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006255 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006256
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006257 mb();
6258
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006259 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006260 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006261 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6262
6263 /* Wait for a completion */
6264 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006265}
6266
stephen hemminger8d962862010-10-21 07:50:56 +00006267static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6268 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006269{
6270 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006271 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006272 u8 poll = flags & WAIT_RAMROD_POLL;
6273 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006274
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006275 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6276 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006277
6278 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006279 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006280 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006281 if (common)
6282 bnx2x_eq_int(bp);
6283 else {
6284 bnx2x_rx_int(bp->fp, 10);
6285 /* if index is different from 0
6286 * the reply for some commands will
6287 * be on the non default queue
6288 */
6289 if (idx)
6290 bnx2x_rx_int(&bp->fp[idx], 10);
6291 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006292 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006293
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006294 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006295 if (*state_p == state) {
6296#ifdef BNX2X_STOP_ON_ERROR
6297 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6298#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006299 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006300 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006301
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006302 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006303
6304 if (bp->panic)
6305 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006306 }
6307
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006308 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006309 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6310 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006311#ifdef BNX2X_STOP_ON_ERROR
6312 bnx2x_panic();
6313#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006314
Eliezer Tamir49d66772008-02-28 11:53:13 -08006315 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006316}
6317
stephen hemminger8d962862010-10-21 07:50:56 +00006318static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006319{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006320 if (CHIP_IS_E1H(bp))
6321 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6322 else if (CHIP_MODE_IS_4_PORT(bp))
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006323 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006324 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006325 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
Michael Chane665bfd2009-10-10 13:46:54 +00006326}
6327
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006328/**
6329 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6330 * relevant. In addition, current implementation is tuned for a
6331 * single ETH MAC.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006332 */
6333enum {
6334 LLH_CAM_ISCSI_ETH_LINE = 0,
6335 LLH_CAM_ETH_LINE,
6336 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6337};
6338
6339static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6340 int set,
6341 unsigned char *dev_addr,
6342 int index)
6343{
6344 u32 wb_data[2];
6345 u32 mem_offset, ena_offset, mem_index;
6346 /**
6347 * indexes mapping:
6348 * 0..7 - goes to MEM
6349 * 8..15 - goes to MEM2
6350 */
6351
6352 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6353 return;
6354
6355 /* calculate memory start offset according to the mapping
6356 * and index in the memory */
6357 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6358 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6359 NIG_REG_LLH0_FUNC_MEM;
6360 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6361 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6362 mem_index = index;
6363 } else {
6364 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6365 NIG_REG_P0_LLH_FUNC_MEM2;
6366 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6367 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6368 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6369 }
6370
6371 if (set) {
6372 /* LLH_FUNC_MEM is a u64 WB register */
6373 mem_offset += 8*mem_index;
6374
6375 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6376 (dev_addr[4] << 8) | dev_addr[5]);
6377 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6378
6379 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6380 }
6381
6382 /* enable/disable the entry */
6383 REG_WR(bp, ena_offset + 4*mem_index, set);
6384
6385}
6386
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006387void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006388{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006389 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6390 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6391
6392 /* networking MAC */
6393 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6394 (1 << bp->fp->cl_id), cam_offset , 0);
6395
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006396 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6397
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006398 if (CHIP_IS_E1(bp)) {
6399 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006400 static const u8 bcast[ETH_ALEN] = {
6401 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6402 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006403 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6404 }
6405}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006406
6407static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6408{
6409 return CHIP_REV_IS_SLOW(bp) ?
6410 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6411 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6412}
6413
6414/* set mc list, do not wait as wait implies sleep and
6415 * set_rx_mode can be invoked from non-sleepable context.
6416 *
6417 * Instead we use the same ramrod data buffer each time we need
6418 * to configure a list of addresses, and use the fact that the
6419 * list of MACs is changed in an incremental way and that the
6420 * function is called under the netif_addr_lock. A temporary
6421 * inconsistent CAM configuration (possible in case of a very fast
6422 * sequence of add/del/add on the host side) will shortly be
6423 * restored by the handler of the last ramrod.
6424 */
6425static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006426{
6427 int i = 0, old;
6428 struct net_device *dev = bp->dev;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006429 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006430 struct netdev_hw_addr *ha;
6431 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6432 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6433
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006434 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6435 return -EINVAL;
6436
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006437 netdev_for_each_mc_addr(ha, dev) {
6438 /* copy mac */
6439 config_cmd->config_table[i].msb_mac_addr =
6440 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6441 config_cmd->config_table[i].middle_mac_addr =
6442 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6443 config_cmd->config_table[i].lsb_mac_addr =
6444 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6445
6446 config_cmd->config_table[i].vlan_id = 0;
6447 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6448 config_cmd->config_table[i].clients_bit_vector =
6449 cpu_to_le32(1 << BP_L_ID(bp));
6450
6451 SET_FLAG(config_cmd->config_table[i].flags,
6452 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6453 T_ETH_MAC_COMMAND_SET);
6454
6455 DP(NETIF_MSG_IFUP,
6456 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6457 config_cmd->config_table[i].msb_mac_addr,
6458 config_cmd->config_table[i].middle_mac_addr,
6459 config_cmd->config_table[i].lsb_mac_addr);
6460 i++;
6461 }
6462 old = config_cmd->hdr.length;
6463 if (old > i) {
6464 for (; i < old; i++) {
6465 if (CAM_IS_INVALID(config_cmd->
6466 config_table[i])) {
6467 /* already invalidated */
6468 break;
6469 }
6470 /* invalidate */
6471 SET_FLAG(config_cmd->config_table[i].flags,
6472 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6473 T_ETH_MAC_COMMAND_INVALIDATE);
6474 }
6475 }
6476
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006477 wmb();
6478
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006479 config_cmd->hdr.length = i;
6480 config_cmd->hdr.offset = offset;
6481 config_cmd->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006482 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6483 * synchronization.
6484 */
6485 config_cmd->hdr.echo = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006486
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006487 mb();
Michael Chane665bfd2009-10-10 13:46:54 +00006488
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006489 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006490 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6491}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006492
6493void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006494{
6495 int i;
6496 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6497 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6498 int ramrod_flags = WAIT_RAMROD_COMMON;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006499 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006500
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006501 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006502 SET_FLAG(config_cmd->config_table[i].flags,
6503 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6504 T_ETH_MAC_COMMAND_INVALIDATE);
6505
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006506 wmb();
6507
6508 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6509 config_cmd->hdr.offset = offset;
6510 config_cmd->hdr.client_id = 0xff;
6511 /* We'll wait for a completion this time... */
6512 config_cmd->hdr.echo = 1;
6513
6514 bp->set_mac_pending = 1;
6515
6516 mb();
6517
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006518 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6519 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006520
6521 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006522 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6523 ramrod_flags);
6524
Michael Chane665bfd2009-10-10 13:46:54 +00006525}
6526
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006527/* Accept one or more multicasts */
6528static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6529{
6530 struct net_device *dev = bp->dev;
6531 struct netdev_hw_addr *ha;
6532 u32 mc_filter[MC_HASH_SIZE];
6533 u32 crc, bit, regidx;
6534 int i;
6535
6536 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6537
6538 netdev_for_each_mc_addr(ha, dev) {
6539 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6540 bnx2x_mc_addr(ha));
6541
6542 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6543 ETH_ALEN);
6544 bit = (crc >> 24) & 0xff;
6545 regidx = bit >> 5;
6546 bit &= 0x1f;
6547 mc_filter[regidx] |= (1 << bit);
6548 }
6549
6550 for (i = 0; i < MC_HASH_SIZE; i++)
6551 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6552 mc_filter[i]);
6553
6554 return 0;
6555}
6556
6557void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6558{
6559 int i;
6560
6561 for (i = 0; i < MC_HASH_SIZE; i++)
6562 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6563}
6564
Michael Chan993ac7b2009-10-10 13:46:56 +00006565#ifdef BCM_CNIC
6566/**
6567 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
6568 * MAC(s). This function will wait until the ramdord completion
6569 * returns.
6570 *
6571 * @param bp driver handle
6572 * @param set set or clear the CAM entry
6573 *
6574 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6575 */
stephen hemminger8d962862010-10-21 07:50:56 +00006576static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006577{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006578 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6579 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006580 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6581 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006582 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006583 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006584
6585 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006586 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006587 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006588
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006589 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006590
6591 return 0;
6592}
6593
6594/**
6595 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
6596 * ETH MAC(s). This function will wait until the ramdord
6597 * completion returns.
6598 *
6599 * @param bp driver handle
6600 * @param set set or clear the CAM entry
6601 *
6602 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
6603 */
6604int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6605{
6606 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6607 /**
6608 * CAM allocation for E1H
6609 * eth unicasts: by func number
6610 * iscsi: by func number
6611 * fip unicast: by func number
6612 * fip multicast: by func number
6613 */
6614 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6615 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6616
6617 return 0;
6618}
6619
6620int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6621{
6622 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6623
6624 /**
6625 * CAM allocation for E1H
6626 * eth unicasts: by func number
6627 * iscsi: by func number
6628 * fip unicast: by func number
6629 * fip multicast: by func number
6630 */
6631 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6632 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6633
Michael Chan993ac7b2009-10-10 13:46:56 +00006634 return 0;
6635}
6636#endif
6637
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006638static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6639 struct bnx2x_client_init_params *params,
6640 u8 activate,
6641 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006642{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006643 /* Clear the buffer */
6644 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006645
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006646 /* general */
6647 data->general.client_id = params->rxq_params.cl_id;
6648 data->general.statistics_counter_id = params->rxq_params.stat_id;
6649 data->general.statistics_en_flg =
6650 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006651 data->general.is_fcoe_flg =
6652 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006653 data->general.activate_flg = activate;
6654 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006655
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006656 /* Rx data */
6657 data->rx.tpa_en_flg =
6658 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6659 data->rx.vmqueue_mode_en_flg = 0;
6660 data->rx.cache_line_alignment_log_size =
6661 params->rxq_params.cache_line_log;
6662 data->rx.enable_dynamic_hc =
6663 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6664 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6665 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6666 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6667
6668 /* We don't set drop flags */
6669 data->rx.drop_ip_cs_err_flg = 0;
6670 data->rx.drop_tcp_cs_err_flg = 0;
6671 data->rx.drop_ttl0_flg = 0;
6672 data->rx.drop_udp_cs_err_flg = 0;
6673
6674 data->rx.inner_vlan_removal_enable_flg =
6675 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6676 data->rx.outer_vlan_removal_enable_flg =
6677 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6678 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6679 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6680 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6681 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6682 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6683 data->rx.bd_page_base.lo =
6684 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6685 data->rx.bd_page_base.hi =
6686 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6687 data->rx.sge_page_base.lo =
6688 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6689 data->rx.sge_page_base.hi =
6690 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6691 data->rx.cqe_page_base.lo =
6692 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6693 data->rx.cqe_page_base.hi =
6694 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6695 data->rx.is_leading_rss =
6696 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6697 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6698
6699 /* Tx data */
6700 data->tx.enforce_security_flg = 0; /* VF specific */
6701 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6702 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6703 data->tx.mtu = 0; /* VF specific */
6704 data->tx.tx_bd_page_base.lo =
6705 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6706 data->tx.tx_bd_page_base.hi =
6707 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6708
6709 /* flow control data */
6710 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6711 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6712 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6713 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6714 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6715 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6716 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6717
6718 data->fc.safc_group_num = params->txq_params.cos;
6719 data->fc.safc_group_en_flg =
6720 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006721 data->fc.traffic_type =
6722 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6723 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006724}
6725
6726static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6727{
6728 /* ustorm cxt validation */
6729 cxt->ustorm_ag_context.cdu_usage =
6730 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6731 ETH_CONNECTION_TYPE);
6732 /* xcontext validation */
6733 cxt->xstorm_ag_context.cdu_reserved =
6734 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6735 ETH_CONNECTION_TYPE);
6736}
6737
stephen hemminger8d962862010-10-21 07:50:56 +00006738static int bnx2x_setup_fw_client(struct bnx2x *bp,
6739 struct bnx2x_client_init_params *params,
6740 u8 activate,
6741 struct client_init_ramrod_data *data,
6742 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006743{
6744 u16 hc_usec;
6745 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6746 int ramrod_flags = 0, rc;
6747
6748 /* HC and context validation values */
6749 hc_usec = params->txq_params.hc_rate ?
6750 1000000 / params->txq_params.hc_rate : 0;
6751 bnx2x_update_coalesce_sb_index(bp,
6752 params->txq_params.fw_sb_id,
6753 params->txq_params.sb_cq_index,
6754 !(params->txq_params.flags & QUEUE_FLG_HC),
6755 hc_usec);
6756
6757 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6758
6759 hc_usec = params->rxq_params.hc_rate ?
6760 1000000 / params->rxq_params.hc_rate : 0;
6761 bnx2x_update_coalesce_sb_index(bp,
6762 params->rxq_params.fw_sb_id,
6763 params->rxq_params.sb_cq_index,
6764 !(params->rxq_params.flags & QUEUE_FLG_HC),
6765 hc_usec);
6766
6767 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6768 params->rxq_params.cid);
6769
6770 /* zero stats */
6771 if (params->txq_params.flags & QUEUE_FLG_STATS)
6772 storm_memset_xstats_zero(bp, BP_PORT(bp),
6773 params->txq_params.stat_id);
6774
6775 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6776 storm_memset_ustats_zero(bp, BP_PORT(bp),
6777 params->rxq_params.stat_id);
6778 storm_memset_tstats_zero(bp, BP_PORT(bp),
6779 params->rxq_params.stat_id);
6780 }
6781
6782 /* Fill the ramrod data */
6783 bnx2x_fill_cl_init_data(bp, params, activate, data);
6784
6785 /* SETUP ramrod.
6786 *
6787 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6788 * barrier except from mmiowb() is needed to impose a
6789 * proper ordering of memory operations.
6790 */
6791 mmiowb();
6792
6793
6794 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6795 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006796
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006797 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006798 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6799 params->ramrod_params.index,
6800 params->ramrod_params.pstate,
6801 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006802 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006803}
6804
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006805/**
6806 * Configure interrupt mode according to current configuration.
6807 * In case of MSI-X it will also try to enable MSI-X.
6808 *
6809 * @param bp
6810 *
6811 * @return int
6812 */
6813static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006814{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006815 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006816
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006817 switch (bp->int_mode) {
6818 case INT_MODE_MSI:
6819 bnx2x_enable_msi(bp);
6820 /* falling through... */
6821 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006822 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006823 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006824 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006825 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006826 /* Set number of queues according to bp->multi_mode value */
6827 bnx2x_set_num_queues(bp);
6828
6829 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6830 bp->num_queues);
6831
6832 /* if we can't use MSI-X we only need one fp,
6833 * so try to enable MSI-X with the requested number of fp's
6834 * and fallback to MSI or legacy INTx with one fp
6835 */
6836 rc = bnx2x_enable_msix(bp);
6837 if (rc) {
6838 /* failed to enable MSI-X */
6839 if (bp->multi_mode)
6840 DP(NETIF_MSG_IFUP,
6841 "Multi requested but failed to "
6842 "enable MSI-X (%d), "
6843 "set number of queues to %d\n",
6844 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006845 1 + NONE_ETH_CONTEXT_USE);
6846 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006847
6848 if (!(bp->flags & DISABLE_MSI_FLAG))
6849 bnx2x_enable_msi(bp);
6850 }
6851
Eilon Greensteinca003922009-08-12 22:53:28 -07006852 break;
6853 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006854
6855 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006856}
6857
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006858/* must be called prioir to any HW initializations */
6859static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6860{
6861 return L2_ILT_LINES(bp);
6862}
6863
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006864void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006865{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006866 struct ilt_client_info *ilt_client;
6867 struct bnx2x_ilt *ilt = BP_ILT(bp);
6868 u16 line = 0;
6869
6870 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6871 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6872
6873 /* CDU */
6874 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6875 ilt_client->client_num = ILT_CLIENT_CDU;
6876 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6877 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6878 ilt_client->start = line;
6879 line += L2_ILT_LINES(bp);
6880#ifdef BCM_CNIC
6881 line += CNIC_ILT_LINES;
6882#endif
6883 ilt_client->end = line - 1;
6884
6885 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6886 "flags 0x%x, hw psz %d\n",
6887 ilt_client->start,
6888 ilt_client->end,
6889 ilt_client->page_size,
6890 ilt_client->flags,
6891 ilog2(ilt_client->page_size >> 12));
6892
6893 /* QM */
6894 if (QM_INIT(bp->qm_cid_count)) {
6895 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6896 ilt_client->client_num = ILT_CLIENT_QM;
6897 ilt_client->page_size = QM_ILT_PAGE_SZ;
6898 ilt_client->flags = 0;
6899 ilt_client->start = line;
6900
6901 /* 4 bytes for each cid */
6902 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6903 QM_ILT_PAGE_SZ);
6904
6905 ilt_client->end = line - 1;
6906
6907 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6908 "flags 0x%x, hw psz %d\n",
6909 ilt_client->start,
6910 ilt_client->end,
6911 ilt_client->page_size,
6912 ilt_client->flags,
6913 ilog2(ilt_client->page_size >> 12));
6914
6915 }
6916 /* SRC */
6917 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6918#ifdef BCM_CNIC
6919 ilt_client->client_num = ILT_CLIENT_SRC;
6920 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6921 ilt_client->flags = 0;
6922 ilt_client->start = line;
6923 line += SRC_ILT_LINES;
6924 ilt_client->end = line - 1;
6925
6926 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6927 "flags 0x%x, hw psz %d\n",
6928 ilt_client->start,
6929 ilt_client->end,
6930 ilt_client->page_size,
6931 ilt_client->flags,
6932 ilog2(ilt_client->page_size >> 12));
6933
6934#else
6935 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6936#endif
6937
6938 /* TM */
6939 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6940#ifdef BCM_CNIC
6941 ilt_client->client_num = ILT_CLIENT_TM;
6942 ilt_client->page_size = TM_ILT_PAGE_SZ;
6943 ilt_client->flags = 0;
6944 ilt_client->start = line;
6945 line += TM_ILT_LINES;
6946 ilt_client->end = line - 1;
6947
6948 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6949 "flags 0x%x, hw psz %d\n",
6950 ilt_client->start,
6951 ilt_client->end,
6952 ilt_client->page_size,
6953 ilt_client->flags,
6954 ilog2(ilt_client->page_size >> 12));
6955
6956#else
6957 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6958#endif
6959}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006960
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006961int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6962 int is_leading)
6963{
6964 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006965 int rc;
6966
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006967 /* reset IGU state skip FCoE L2 queue */
6968 if (!IS_FCOE_FP(fp))
6969 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006970 IGU_INT_ENABLE, 0);
6971
6972 params.ramrod_params.pstate = &fp->state;
6973 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6974 params.ramrod_params.index = fp->index;
6975 params.ramrod_params.cid = fp->cid;
6976
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006977#ifdef BCM_CNIC
6978 if (IS_FCOE_FP(fp))
6979 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6980
6981#endif
6982
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006983 if (is_leading)
6984 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6985
6986 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6987
6988 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6989
6990 rc = bnx2x_setup_fw_client(bp, &params, 1,
6991 bnx2x_sp(bp, client_init_data),
6992 bnx2x_sp_mapping(bp, client_init_data));
6993 return rc;
6994}
6995
stephen hemminger8d962862010-10-21 07:50:56 +00006996static int bnx2x_stop_fw_client(struct bnx2x *bp,
6997 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006998{
6999 int rc;
7000
7001 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
7002
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007003 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007004 *p->pstate = BNX2X_FP_STATE_HALTING;
7005 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
7006 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007007
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007008 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007009 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
7010 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08007011 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007012 return rc;
7013
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007014 *p->pstate = BNX2X_FP_STATE_TERMINATING;
7015 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
7016 p->cl_id, 0);
7017 /* Wait for completion */
7018 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
7019 p->pstate, poll_flag);
7020 if (rc) /* timeout */
7021 return rc;
7022
7023
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007024 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007025 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007026
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007027 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007028 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
7029 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007030 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007031}
7032
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007033static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007034{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007035 struct bnx2x_client_ramrod_params client_stop = {0};
7036 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007037
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007038 client_stop.index = index;
7039 client_stop.cid = fp->cid;
7040 client_stop.cl_id = fp->cl_id;
7041 client_stop.pstate = &(fp->state);
7042 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007043
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007044 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007045}
7046
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007047
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007048static void bnx2x_reset_func(struct bnx2x *bp)
7049{
7050 int port = BP_PORT(bp);
7051 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007052 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007053 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007054 (CHIP_IS_E2(bp) ?
7055 offsetof(struct hc_status_block_data_e2, common) :
7056 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007057 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
7058 int pfid_offset = offsetof(struct pci_entity, pf_id);
7059
7060 /* Disable the function in the FW */
7061 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
7062 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
7063 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
7064 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
7065
7066 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007067 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007068 struct bnx2x_fastpath *fp = &bp->fp[i];
7069 REG_WR8(bp,
7070 BAR_CSTRORM_INTMEM +
7071 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
7072 + pfunc_offset_fp + pfid_offset,
7073 HC_FUNCTION_DISABLED);
7074 }
7075
7076 /* SP SB */
7077 REG_WR8(bp,
7078 BAR_CSTRORM_INTMEM +
7079 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
7080 pfunc_offset_sp + pfid_offset,
7081 HC_FUNCTION_DISABLED);
7082
7083
7084 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
7085 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
7086 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08007087
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007088 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007089 if (bp->common.int_block == INT_BLOCK_HC) {
7090 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
7091 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
7092 } else {
7093 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
7094 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
7095 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007096
Michael Chan37b091b2009-10-10 13:46:55 +00007097#ifdef BCM_CNIC
7098 /* Disable Timer scan */
7099 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
7100 /*
7101 * Wait for at least 10ms and up to 2 second for the timers scan to
7102 * complete
7103 */
7104 for (i = 0; i < 200; i++) {
7105 msleep(10);
7106 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
7107 break;
7108 }
7109#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007110 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007111 bnx2x_clear_func_ilt(bp, func);
7112
7113 /* Timers workaround bug for E2: if this is vnic-3,
7114 * we need to set the entire ilt range for this timers.
7115 */
7116 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
7117 struct ilt_client_info ilt_cli;
7118 /* use dummy TM client */
7119 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
7120 ilt_cli.start = 0;
7121 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
7122 ilt_cli.client_num = ILT_CLIENT_TM;
7123
7124 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
7125 }
7126
7127 /* this assumes that reset_port() called before reset_func()*/
7128 if (CHIP_IS_E2(bp))
7129 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007130
7131 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007132}
7133
7134static void bnx2x_reset_port(struct bnx2x *bp)
7135{
7136 int port = BP_PORT(bp);
7137 u32 val;
7138
7139 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
7140
7141 /* Do not rcv packets to BRB */
7142 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
7143 /* Do not direct rcv packets that are not for MCP to the BRB */
7144 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
7145 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7146
7147 /* Configure AEU */
7148 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
7149
7150 msleep(100);
7151 /* Check for BRB port occupancy */
7152 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
7153 if (val)
7154 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07007155 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007156
7157 /* TODO: Close Doorbell port? */
7158}
7159
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007160static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
7161{
7162 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007163 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007164
7165 switch (reset_code) {
7166 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7167 bnx2x_reset_port(bp);
7168 bnx2x_reset_func(bp);
7169 bnx2x_reset_common(bp);
7170 break;
7171
7172 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7173 bnx2x_reset_port(bp);
7174 bnx2x_reset_func(bp);
7175 break;
7176
7177 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7178 bnx2x_reset_func(bp);
7179 break;
7180
7181 default:
7182 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7183 break;
7184 }
7185}
7186
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007187#ifdef BCM_CNIC
7188static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7189{
7190 if (bp->flags & FCOE_MACS_SET) {
7191 if (!IS_MF_SD(bp))
7192 bnx2x_set_fip_eth_mac_addr(bp, 0);
7193
7194 bnx2x_set_all_enode_macs(bp, 0);
7195
7196 bp->flags &= ~FCOE_MACS_SET;
7197 }
7198}
7199#endif
7200
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007201void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007202{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007203 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007204 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007205 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007206
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007207 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007208 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007209 struct bnx2x_fastpath *fp = &bp->fp[i];
7210
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007211 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007212 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007213
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007214 if (!cnt) {
7215 BNX2X_ERR("timeout waiting for queue[%d]\n",
7216 i);
7217#ifdef BNX2X_STOP_ON_ERROR
7218 bnx2x_panic();
7219 return -EBUSY;
7220#else
7221 break;
7222#endif
7223 }
7224 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007225 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007226 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007227 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007228 /* Give HW time to discard old tx messages */
7229 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007230
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007231 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007232
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007233 bnx2x_invalidate_uc_list(bp);
7234
7235 if (CHIP_IS_E1(bp))
7236 bnx2x_invalidate_e1_mc_list(bp);
7237 else {
7238 bnx2x_invalidate_e1h_mc_list(bp);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007239 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007240 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007241
Michael Chan993ac7b2009-10-10 13:46:56 +00007242#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007243 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007244#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007245
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007246 if (unload_mode == UNLOAD_NORMAL)
7247 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007248
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007249 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007250 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007251
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007252 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007253 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007254 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007255 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007256 /* The mac address is written to entries 1-4 to
7257 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007258 u8 entry = (BP_E1HVN(bp) + 1)*8;
7259
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007260 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007261 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007262
7263 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7264 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007265 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007266
7267 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007268
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007269 } else
7270 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7271
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007272 /* Close multi and leading connections
7273 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007274 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007275
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007276 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007277#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007278 return;
7279#else
7280 goto unload_error;
7281#endif
7282
7283 rc = bnx2x_func_stop(bp);
7284 if (rc) {
7285 BNX2X_ERR("Function stop failed!\n");
7286#ifdef BNX2X_STOP_ON_ERROR
7287 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007288#else
7289 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007290#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007291 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007292#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007293unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007294#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007295 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007296 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007297 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007298 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7299 "%d, %d, %d\n", BP_PATH(bp),
7300 load_count[BP_PATH(bp)][0],
7301 load_count[BP_PATH(bp)][1],
7302 load_count[BP_PATH(bp)][2]);
7303 load_count[BP_PATH(bp)][0]--;
7304 load_count[BP_PATH(bp)][1 + port]--;
7305 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7306 "%d, %d, %d\n", BP_PATH(bp),
7307 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7308 load_count[BP_PATH(bp)][2]);
7309 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007310 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007311 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007312 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7313 else
7314 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7315 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007316
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007317 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7318 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7319 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007320
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007321 /* Disable HW interrupts, NAPI */
7322 bnx2x_netif_stop(bp, 1);
7323
7324 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007325 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007326
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007327 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007328 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007329
7330 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007331 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007332 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007333
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007334}
7335
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007336void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007337{
7338 u32 val;
7339
7340 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7341
7342 if (CHIP_IS_E1(bp)) {
7343 int port = BP_PORT(bp);
7344 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7345 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7346
7347 val = REG_RD(bp, addr);
7348 val &= ~(0x300);
7349 REG_WR(bp, addr, val);
7350 } else if (CHIP_IS_E1H(bp)) {
7351 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7352 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7353 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7354 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7355 }
7356}
7357
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007358/* Close gates #2, #3 and #4: */
7359static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7360{
7361 u32 val, addr;
7362
7363 /* Gates #2 and #4a are closed/opened for "not E1" only */
7364 if (!CHIP_IS_E1(bp)) {
7365 /* #4 */
7366 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7367 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7368 close ? (val | 0x1) : (val & (~(u32)1)));
7369 /* #2 */
7370 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7371 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7372 close ? (val | 0x1) : (val & (~(u32)1)));
7373 }
7374
7375 /* #3 */
7376 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7377 val = REG_RD(bp, addr);
7378 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7379
7380 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7381 close ? "closing" : "opening");
7382 mmiowb();
7383}
7384
7385#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7386
7387static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7388{
7389 /* Do some magic... */
7390 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7391 *magic_val = val & SHARED_MF_CLP_MAGIC;
7392 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7393}
7394
7395/* Restore the value of the `magic' bit.
7396 *
7397 * @param pdev Device handle.
7398 * @param magic_val Old value of the `magic' bit.
7399 */
7400static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7401{
7402 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007403 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7404 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7405 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7406}
7407
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007408/**
7409 * Prepares for MCP reset: takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007410 *
7411 * @param bp
7412 * @param magic_val Old value of 'magic' bit.
7413 */
7414static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7415{
7416 u32 shmem;
7417 u32 validity_offset;
7418
7419 DP(NETIF_MSG_HW, "Starting\n");
7420
7421 /* Set `magic' bit in order to save MF config */
7422 if (!CHIP_IS_E1(bp))
7423 bnx2x_clp_reset_prep(bp, magic_val);
7424
7425 /* Get shmem offset */
7426 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7427 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7428
7429 /* Clear validity map flags */
7430 if (shmem > 0)
7431 REG_WR(bp, shmem + validity_offset, 0);
7432}
7433
7434#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7435#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7436
7437/* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
7438 * depending on the HW type.
7439 *
7440 * @param bp
7441 */
7442static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7443{
7444 /* special handling for emulation and FPGA,
7445 wait 10 times longer */
7446 if (CHIP_REV_IS_SLOW(bp))
7447 msleep(MCP_ONE_TIMEOUT*10);
7448 else
7449 msleep(MCP_ONE_TIMEOUT);
7450}
7451
7452static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7453{
7454 u32 shmem, cnt, validity_offset, val;
7455 int rc = 0;
7456
7457 msleep(100);
7458
7459 /* Get shmem offset */
7460 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7461 if (shmem == 0) {
7462 BNX2X_ERR("Shmem 0 return failure\n");
7463 rc = -ENOTTY;
7464 goto exit_lbl;
7465 }
7466
7467 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7468
7469 /* Wait for MCP to come up */
7470 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7471 /* TBD: its best to check validity map of last port.
7472 * currently checks on port 0.
7473 */
7474 val = REG_RD(bp, shmem + validity_offset);
7475 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7476 shmem + validity_offset, val);
7477
7478 /* check that shared memory is valid. */
7479 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7480 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7481 break;
7482
7483 bnx2x_mcp_wait_one(bp);
7484 }
7485
7486 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7487
7488 /* Check that shared memory is valid. This indicates that MCP is up. */
7489 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7490 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7491 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7492 rc = -ENOTTY;
7493 goto exit_lbl;
7494 }
7495
7496exit_lbl:
7497 /* Restore the `magic' bit value */
7498 if (!CHIP_IS_E1(bp))
7499 bnx2x_clp_reset_done(bp, magic_val);
7500
7501 return rc;
7502}
7503
7504static void bnx2x_pxp_prep(struct bnx2x *bp)
7505{
7506 if (!CHIP_IS_E1(bp)) {
7507 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7508 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7509 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7510 mmiowb();
7511 }
7512}
7513
7514/*
7515 * Reset the whole chip except for:
7516 * - PCIE core
7517 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7518 * one reset bit)
7519 * - IGU
7520 * - MISC (including AEU)
7521 * - GRC
7522 * - RBCN, RBCP
7523 */
7524static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7525{
7526 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7527
7528 not_reset_mask1 =
7529 MISC_REGISTERS_RESET_REG_1_RST_HC |
7530 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7531 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7532
7533 not_reset_mask2 =
7534 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7535 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7536 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7537 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7538 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7539 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7540 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7541 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7542
7543 reset_mask1 = 0xffffffff;
7544
7545 if (CHIP_IS_E1(bp))
7546 reset_mask2 = 0xffff;
7547 else
7548 reset_mask2 = 0x1ffff;
7549
7550 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7551 reset_mask1 & (~not_reset_mask1));
7552 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7553 reset_mask2 & (~not_reset_mask2));
7554
7555 barrier();
7556 mmiowb();
7557
7558 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7559 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7560 mmiowb();
7561}
7562
7563static int bnx2x_process_kill(struct bnx2x *bp)
7564{
7565 int cnt = 1000;
7566 u32 val = 0;
7567 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7568
7569
7570 /* Empty the Tetris buffer, wait for 1s */
7571 do {
7572 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7573 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7574 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7575 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7576 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7577 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7578 ((port_is_idle_0 & 0x1) == 0x1) &&
7579 ((port_is_idle_1 & 0x1) == 0x1) &&
7580 (pgl_exp_rom2 == 0xffffffff))
7581 break;
7582 msleep(1);
7583 } while (cnt-- > 0);
7584
7585 if (cnt <= 0) {
7586 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7587 " are still"
7588 " outstanding read requests after 1s!\n");
7589 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7590 " port_is_idle_0=0x%08x,"
7591 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7592 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7593 pgl_exp_rom2);
7594 return -EAGAIN;
7595 }
7596
7597 barrier();
7598
7599 /* Close gates #2, #3 and #4 */
7600 bnx2x_set_234_gates(bp, true);
7601
7602 /* TBD: Indicate that "process kill" is in progress to MCP */
7603
7604 /* Clear "unprepared" bit */
7605 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7606 barrier();
7607
7608 /* Make sure all is written to the chip before the reset */
7609 mmiowb();
7610
7611 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7612 * PSWHST, GRC and PSWRD Tetris buffer.
7613 */
7614 msleep(1);
7615
7616 /* Prepare to chip reset: */
7617 /* MCP */
7618 bnx2x_reset_mcp_prep(bp, &val);
7619
7620 /* PXP */
7621 bnx2x_pxp_prep(bp);
7622 barrier();
7623
7624 /* reset the chip */
7625 bnx2x_process_kill_chip_reset(bp);
7626 barrier();
7627
7628 /* Recover after reset: */
7629 /* MCP */
7630 if (bnx2x_reset_mcp_comp(bp, val))
7631 return -EAGAIN;
7632
7633 /* PXP */
7634 bnx2x_pxp_prep(bp);
7635
7636 /* Open the gates #2, #3 and #4 */
7637 bnx2x_set_234_gates(bp, false);
7638
7639 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7640 * reset state, re-enable attentions. */
7641
7642 return 0;
7643}
7644
7645static int bnx2x_leader_reset(struct bnx2x *bp)
7646{
7647 int rc = 0;
7648 /* Try to recover after the failure */
7649 if (bnx2x_process_kill(bp)) {
7650 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7651 bp->dev->name);
7652 rc = -EAGAIN;
7653 goto exit_leader_reset;
7654 }
7655
7656 /* Clear "reset is in progress" bit and update the driver state */
7657 bnx2x_set_reset_done(bp);
7658 bp->recovery_state = BNX2X_RECOVERY_DONE;
7659
7660exit_leader_reset:
7661 bp->is_leader = 0;
7662 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7663 smp_wmb();
7664 return rc;
7665}
7666
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007667/* Assumption: runs under rtnl lock. This together with the fact
7668 * that it's called only from bnx2x_reset_task() ensure that it
7669 * will never be called when netif_running(bp->dev) is false.
7670 */
7671static void bnx2x_parity_recover(struct bnx2x *bp)
7672{
7673 DP(NETIF_MSG_HW, "Handling parity\n");
7674 while (1) {
7675 switch (bp->recovery_state) {
7676 case BNX2X_RECOVERY_INIT:
7677 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7678 /* Try to get a LEADER_LOCK HW lock */
7679 if (bnx2x_trylock_hw_lock(bp,
7680 HW_LOCK_RESOURCE_RESERVED_08))
7681 bp->is_leader = 1;
7682
7683 /* Stop the driver */
7684 /* If interface has been removed - break */
7685 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7686 return;
7687
7688 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7689 /* Ensure "is_leader" and "recovery_state"
7690 * update values are seen on other CPUs
7691 */
7692 smp_wmb();
7693 break;
7694
7695 case BNX2X_RECOVERY_WAIT:
7696 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7697 if (bp->is_leader) {
7698 u32 load_counter = bnx2x_get_load_cnt(bp);
7699 if (load_counter) {
7700 /* Wait until all other functions get
7701 * down.
7702 */
7703 schedule_delayed_work(&bp->reset_task,
7704 HZ/10);
7705 return;
7706 } else {
7707 /* If all other functions got down -
7708 * try to bring the chip back to
7709 * normal. In any case it's an exit
7710 * point for a leader.
7711 */
7712 if (bnx2x_leader_reset(bp) ||
7713 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7714 printk(KERN_ERR"%s: Recovery "
7715 "has failed. Power cycle is "
7716 "needed.\n", bp->dev->name);
7717 /* Disconnect this device */
7718 netif_device_detach(bp->dev);
7719 /* Block ifup for all function
7720 * of this ASIC until
7721 * "process kill" or power
7722 * cycle.
7723 */
7724 bnx2x_set_reset_in_progress(bp);
7725 /* Shut down the power */
7726 bnx2x_set_power_state(bp,
7727 PCI_D3hot);
7728 return;
7729 }
7730
7731 return;
7732 }
7733 } else { /* non-leader */
7734 if (!bnx2x_reset_is_done(bp)) {
7735 /* Try to get a LEADER_LOCK HW lock as
7736 * long as a former leader may have
7737 * been unloaded by the user or
7738 * released a leadership by another
7739 * reason.
7740 */
7741 if (bnx2x_trylock_hw_lock(bp,
7742 HW_LOCK_RESOURCE_RESERVED_08)) {
7743 /* I'm a leader now! Restart a
7744 * switch case.
7745 */
7746 bp->is_leader = 1;
7747 break;
7748 }
7749
7750 schedule_delayed_work(&bp->reset_task,
7751 HZ/10);
7752 return;
7753
7754 } else { /* A leader has completed
7755 * the "process kill". It's an exit
7756 * point for a non-leader.
7757 */
7758 bnx2x_nic_load(bp, LOAD_NORMAL);
7759 bp->recovery_state =
7760 BNX2X_RECOVERY_DONE;
7761 smp_wmb();
7762 return;
7763 }
7764 }
7765 default:
7766 return;
7767 }
7768 }
7769}
7770
7771/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7772 * scheduled on a general queue in order to prevent a dead lock.
7773 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007774static void bnx2x_reset_task(struct work_struct *work)
7775{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007776 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007777
7778#ifdef BNX2X_STOP_ON_ERROR
7779 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7780 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007781 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007782 return;
7783#endif
7784
7785 rtnl_lock();
7786
7787 if (!netif_running(bp->dev))
7788 goto reset_task_exit;
7789
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007790 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7791 bnx2x_parity_recover(bp);
7792 else {
7793 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7794 bnx2x_nic_load(bp, LOAD_NORMAL);
7795 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007796
7797reset_task_exit:
7798 rtnl_unlock();
7799}
7800
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007801/* end of nic load/unload */
7802
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007803/*
7804 * Init service functions
7805 */
7806
stephen hemminger8d962862010-10-21 07:50:56 +00007807static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007808{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007809 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7810 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7811 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007812}
7813
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007814static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007815{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007816 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007817
7818 /* Flush all outstanding writes */
7819 mmiowb();
7820
7821 /* Pretend to be function 0 */
7822 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007823 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007824
7825 /* From now we are in the "like-E1" mode */
7826 bnx2x_int_disable(bp);
7827
7828 /* Flush all outstanding writes */
7829 mmiowb();
7830
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007831 /* Restore the original function */
7832 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7833 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007834}
7835
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007836static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007837{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007838 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007839 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007840 else
7841 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007842}
7843
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007844static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007845{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007846 u32 val;
7847
7848 /* Check if there is any driver already loaded */
7849 val = REG_RD(bp, MISC_REG_UNPREPARED);
7850 if (val == 0x1) {
7851 /* Check if it is the UNDI driver
7852 * UNDI driver initializes CID offset for normal bell to 0x7
7853 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007854 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007855 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7856 if (val == 0x7) {
7857 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007858 /* save our pf_num */
7859 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007860 u32 swap_en;
7861 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007862
Eilon Greensteinb4661732009-01-14 06:43:56 +00007863 /* clear the UNDI indication */
7864 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7865
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007866 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7867
7868 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007869 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007870 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007871 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007872 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007873 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007874
7875 /* if UNDI is loaded on the other port */
7876 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7877
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007878 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007879 bnx2x_fw_command(bp,
7880 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007881
7882 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007883 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007884 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007885 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007886 DRV_MSG_SEQ_NUMBER_MASK);
7887 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007888
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007889 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007890 }
7891
Eilon Greensteinb4661732009-01-14 06:43:56 +00007892 /* now it's safe to release the lock */
7893 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7894
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007895 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007896
7897 /* close input traffic and wait for it */
7898 /* Do not rcv packets to BRB */
7899 REG_WR(bp,
7900 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7901 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7902 /* Do not direct rcv packets that are not for MCP to
7903 * the BRB */
7904 REG_WR(bp,
7905 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7906 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7907 /* clear AEU */
7908 REG_WR(bp,
7909 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7910 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7911 msleep(10);
7912
7913 /* save NIG port swap info */
7914 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7915 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007916 /* reset device */
7917 REG_WR(bp,
7918 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007919 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007920 REG_WR(bp,
7921 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7922 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007923 /* take the NIG out of reset and restore swap values */
7924 REG_WR(bp,
7925 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7926 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7927 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7928 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7929
7930 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007931 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007932
7933 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007934 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007935 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007936 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007937 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007938 } else
7939 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007940 }
7941}
7942
7943static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7944{
7945 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007946 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007947
7948 /* Get the chip revision id and number. */
7949 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7950 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7951 id = ((val & 0xffff) << 16);
7952 val = REG_RD(bp, MISC_REG_CHIP_REV);
7953 id |= ((val & 0xf) << 12);
7954 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7955 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007956 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007957 id |= (val & 0xf);
7958 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007959
7960 /* Set doorbell size */
7961 bp->db_size = (1 << BNX2X_DB_SHIFT);
7962
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007963 if (CHIP_IS_E2(bp)) {
7964 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7965 if ((val & 1) == 0)
7966 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7967 else
7968 val = (val >> 1) & 1;
7969 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7970 "2_PORT_MODE");
7971 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7972 CHIP_2_PORT_MODE;
7973
7974 if (CHIP_MODE_IS_4_PORT(bp))
7975 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7976 else
7977 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7978 } else {
7979 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7980 bp->pfid = bp->pf_num; /* 0..7 */
7981 }
7982
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007983 /*
7984 * set base FW non-default (fast path) status block id, this value is
7985 * used to initialize the fw_sb_id saved on the fp/queue structure to
7986 * determine the id used by the FW.
7987 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007988 if (CHIP_IS_E1x(bp))
7989 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7990 else /* E2 */
7991 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7992
7993 bp->link_params.chip_id = bp->common.chip_id;
7994 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007995
Eilon Greenstein1c063282009-02-12 08:36:43 +00007996 val = (REG_RD(bp, 0x2874) & 0x55);
7997 if ((bp->common.chip_id & 0x1) ||
7998 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7999 bp->flags |= ONE_PORT_FLAG;
8000 BNX2X_DEV_INFO("single port device\n");
8001 }
8002
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008003 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
8004 bp->common.flash_size = (NVRAM_1MB_SIZE <<
8005 (val & MCPR_NVM_CFG4_FLASH_SIZE));
8006 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
8007 bp->common.flash_size, bp->common.flash_size);
8008
8009 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008010 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
8011 MISC_REG_GENERIC_CR_1 :
8012 MISC_REG_GENERIC_CR_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008013 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008014 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008015 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
8016 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008017
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008018 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008019 BNX2X_DEV_INFO("MCP not active\n");
8020 bp->flags |= NO_MCP_FLAG;
8021 return;
8022 }
8023
8024 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
8025 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
8026 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008027 BNX2X_ERR("BAD MCP validity signature\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008028
8029 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00008030 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008031
8032 bp->link_params.hw_led_mode = ((bp->common.hw_config &
8033 SHARED_HW_CFG_LED_MODE_MASK) >>
8034 SHARED_HW_CFG_LED_MODE_SHIFT);
8035
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008036 bp->link_params.feature_config_flags = 0;
8037 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
8038 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
8039 bp->link_params.feature_config_flags |=
8040 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
8041 else
8042 bp->link_params.feature_config_flags &=
8043 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
8044
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008045 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
8046 bp->common.bc_ver = val;
8047 BNX2X_DEV_INFO("bc_ver %X\n", val);
8048 if (val < BNX2X_BC_VER) {
8049 /* for now only warn
8050 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008051 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
8052 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008053 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008054 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008055 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008056 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
8057
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008058 bp->link_params.feature_config_flags |=
8059 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
8060 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07008061
8062 if (BP_E1HVN(bp) == 0) {
8063 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
8064 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
8065 } else {
8066 /* no WOL capability for E1HVN != 0 */
8067 bp->flags |= NO_WOL_FLAG;
8068 }
8069 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00008070 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008071
8072 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
8073 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
8074 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
8075 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
8076
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008077 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
8078 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008079}
8080
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008081#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
8082#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
8083
8084static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
8085{
8086 int pfid = BP_FUNC(bp);
8087 int vn = BP_E1HVN(bp);
8088 int igu_sb_id;
8089 u32 val;
8090 u8 fid;
8091
8092 bp->igu_base_sb = 0xff;
8093 bp->igu_sb_cnt = 0;
8094 if (CHIP_INT_MODE_IS_BC(bp)) {
8095 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008096 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008097
8098 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
8099 FP_SB_MAX_E1x;
8100
8101 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
8102 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
8103
8104 return;
8105 }
8106
8107 /* IGU in normal mode - read CAM */
8108 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
8109 igu_sb_id++) {
8110 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
8111 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
8112 continue;
8113 fid = IGU_FID(val);
8114 if ((fid & IGU_FID_ENCODE_IS_PF)) {
8115 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
8116 continue;
8117 if (IGU_VEC(val) == 0)
8118 /* default status block */
8119 bp->igu_dsb_id = igu_sb_id;
8120 else {
8121 if (bp->igu_base_sb == 0xff)
8122 bp->igu_base_sb = igu_sb_id;
8123 bp->igu_sb_cnt++;
8124 }
8125 }
8126 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008127 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8128 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008129 if (bp->igu_sb_cnt == 0)
8130 BNX2X_ERR("CAM configuration error\n");
8131}
8132
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008133static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
8134 u32 switch_cfg)
8135{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008136 int cfg_size = 0, idx, port = BP_PORT(bp);
8137
8138 /* Aggregation of supported attributes of all external phys */
8139 bp->port.supported[0] = 0;
8140 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008141 switch (bp->link_params.num_phys) {
8142 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008143 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
8144 cfg_size = 1;
8145 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008146 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008147 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
8148 cfg_size = 1;
8149 break;
8150 case 3:
8151 if (bp->link_params.multi_phy_config &
8152 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
8153 bp->port.supported[1] =
8154 bp->link_params.phy[EXT_PHY1].supported;
8155 bp->port.supported[0] =
8156 bp->link_params.phy[EXT_PHY2].supported;
8157 } else {
8158 bp->port.supported[0] =
8159 bp->link_params.phy[EXT_PHY1].supported;
8160 bp->port.supported[1] =
8161 bp->link_params.phy[EXT_PHY2].supported;
8162 }
8163 cfg_size = 2;
8164 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008165 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008166
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008167 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008168 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008169 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008170 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008171 dev_info.port_hw_config[port].external_phy_config),
8172 SHMEM_RD(bp,
8173 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008174 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008175 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008176
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008177 switch (switch_cfg) {
8178 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008179 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8180 port*0x10);
8181 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008182 break;
8183
8184 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008185 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8186 port*0x18);
8187 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008188 break;
8189
8190 default:
8191 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008192 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008193 return;
8194 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008195 /* mask what we support according to speed_cap_mask per configuration */
8196 for (idx = 0; idx < cfg_size; idx++) {
8197 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008198 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008199 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008200
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008201 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008202 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008203 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008204
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008205 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008206 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008207 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008208
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008209 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008210 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008211 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008212
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008213 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008214 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008215 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008216 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008217
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008218 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008219 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008220 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008221
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008222 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008223 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008224 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008225
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008226 }
8227
8228 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8229 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008230}
8231
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008232static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008233{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008234 u32 link_config, idx, cfg_size = 0;
8235 bp->port.advertising[0] = 0;
8236 bp->port.advertising[1] = 0;
8237 switch (bp->link_params.num_phys) {
8238 case 1:
8239 case 2:
8240 cfg_size = 1;
8241 break;
8242 case 3:
8243 cfg_size = 2;
8244 break;
8245 }
8246 for (idx = 0; idx < cfg_size; idx++) {
8247 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8248 link_config = bp->port.link_config[idx];
8249 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008250 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008251 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8252 bp->link_params.req_line_speed[idx] =
8253 SPEED_AUTO_NEG;
8254 bp->port.advertising[idx] |=
8255 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008256 } else {
8257 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008258 bp->link_params.req_line_speed[idx] =
8259 SPEED_10000;
8260 bp->port.advertising[idx] |=
8261 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008262 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008263 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008264 }
8265 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008266
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008267 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008268 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8269 bp->link_params.req_line_speed[idx] =
8270 SPEED_10;
8271 bp->port.advertising[idx] |=
8272 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008273 ADVERTISED_TP);
8274 } else {
8275 BNX2X_ERROR("NVRAM config error. "
8276 "Invalid link_config 0x%x"
8277 " speed_cap_mask 0x%x\n",
8278 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008279 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008280 return;
8281 }
8282 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008283
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008284 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008285 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8286 bp->link_params.req_line_speed[idx] =
8287 SPEED_10;
8288 bp->link_params.req_duplex[idx] =
8289 DUPLEX_HALF;
8290 bp->port.advertising[idx] |=
8291 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008292 ADVERTISED_TP);
8293 } else {
8294 BNX2X_ERROR("NVRAM config error. "
8295 "Invalid link_config 0x%x"
8296 " speed_cap_mask 0x%x\n",
8297 link_config,
8298 bp->link_params.speed_cap_mask[idx]);
8299 return;
8300 }
8301 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008302
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008303 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8304 if (bp->port.supported[idx] &
8305 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008306 bp->link_params.req_line_speed[idx] =
8307 SPEED_100;
8308 bp->port.advertising[idx] |=
8309 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008310 ADVERTISED_TP);
8311 } else {
8312 BNX2X_ERROR("NVRAM config error. "
8313 "Invalid link_config 0x%x"
8314 " speed_cap_mask 0x%x\n",
8315 link_config,
8316 bp->link_params.speed_cap_mask[idx]);
8317 return;
8318 }
8319 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008320
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008321 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8322 if (bp->port.supported[idx] &
8323 SUPPORTED_100baseT_Half) {
8324 bp->link_params.req_line_speed[idx] =
8325 SPEED_100;
8326 bp->link_params.req_duplex[idx] =
8327 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008328 bp->port.advertising[idx] |=
8329 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008330 ADVERTISED_TP);
8331 } else {
8332 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008333 "Invalid link_config 0x%x"
8334 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008335 link_config,
8336 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008337 return;
8338 }
8339 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008340
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008341 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008342 if (bp->port.supported[idx] &
8343 SUPPORTED_1000baseT_Full) {
8344 bp->link_params.req_line_speed[idx] =
8345 SPEED_1000;
8346 bp->port.advertising[idx] |=
8347 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008348 ADVERTISED_TP);
8349 } else {
8350 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008351 "Invalid link_config 0x%x"
8352 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008353 link_config,
8354 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008355 return;
8356 }
8357 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008358
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008359 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008360 if (bp->port.supported[idx] &
8361 SUPPORTED_2500baseX_Full) {
8362 bp->link_params.req_line_speed[idx] =
8363 SPEED_2500;
8364 bp->port.advertising[idx] |=
8365 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008366 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008367 } else {
8368 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008369 "Invalid link_config 0x%x"
8370 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008371 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008372 bp->link_params.speed_cap_mask[idx]);
8373 return;
8374 }
8375 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008376
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008377 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8378 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8379 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008380 if (bp->port.supported[idx] &
8381 SUPPORTED_10000baseT_Full) {
8382 bp->link_params.req_line_speed[idx] =
8383 SPEED_10000;
8384 bp->port.advertising[idx] |=
8385 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008386 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008387 } else {
8388 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008389 "Invalid link_config 0x%x"
8390 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008391 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008392 bp->link_params.speed_cap_mask[idx]);
8393 return;
8394 }
8395 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008396
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008397 default:
8398 BNX2X_ERROR("NVRAM config error. "
8399 "BAD link speed link_config 0x%x\n",
8400 link_config);
8401 bp->link_params.req_line_speed[idx] =
8402 SPEED_AUTO_NEG;
8403 bp->port.advertising[idx] =
8404 bp->port.supported[idx];
8405 break;
8406 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008407
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008408 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008409 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008410 if ((bp->link_params.req_flow_ctrl[idx] ==
8411 BNX2X_FLOW_CTRL_AUTO) &&
8412 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8413 bp->link_params.req_flow_ctrl[idx] =
8414 BNX2X_FLOW_CTRL_NONE;
8415 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008416
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008417 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8418 " 0x%x advertising 0x%x\n",
8419 bp->link_params.req_line_speed[idx],
8420 bp->link_params.req_duplex[idx],
8421 bp->link_params.req_flow_ctrl[idx],
8422 bp->port.advertising[idx]);
8423 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008424}
8425
Michael Chane665bfd2009-10-10 13:46:54 +00008426static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8427{
8428 mac_hi = cpu_to_be16(mac_hi);
8429 mac_lo = cpu_to_be32(mac_lo);
8430 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8431 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8432}
8433
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008434static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008435{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008436 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008437 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008438 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008439
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008440 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008441 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008442
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008443 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008444 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008445
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008446 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008447 SHMEM_RD(bp,
8448 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008449 bp->link_params.speed_cap_mask[1] =
8450 SHMEM_RD(bp,
8451 dev_info.port_hw_config[port].speed_capability_mask2);
8452 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008453 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8454
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008455 bp->port.link_config[1] =
8456 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008457
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008458 bp->link_params.multi_phy_config =
8459 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008460 /* If the device is capable of WoL, set the default state according
8461 * to the HW
8462 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008463 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008464 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8465 (config & PORT_FEATURE_WOL_ENABLED));
8466
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008467 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008468 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008469 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008470 bp->link_params.speed_cap_mask[0],
8471 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008472
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008473 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008474 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008475 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008476 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008477
8478 bnx2x_link_settings_requested(bp);
8479
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008480 /*
8481 * If connected directly, work with the internal PHY, otherwise, work
8482 * with the external PHY
8483 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008484 ext_phy_config =
8485 SHMEM_RD(bp,
8486 dev_info.port_hw_config[port].external_phy_config);
8487 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008488 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008489 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008490
8491 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8492 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8493 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008494 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008495
8496 /*
8497 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8498 * In MF mode, it is set to cover self test cases
8499 */
8500 if (IS_MF(bp))
8501 bp->port.need_hw_lock = 1;
8502 else
8503 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8504 bp->common.shmem_base,
8505 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008506}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008507
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008508#ifdef BCM_CNIC
8509static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8510{
8511 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8512 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8513 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8514 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8515
8516 /* Get the number of maximum allowed iSCSI and FCoE connections */
8517 bp->cnic_eth_dev.max_iscsi_conn =
8518 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8519 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8520
8521 bp->cnic_eth_dev.max_fcoe_conn =
8522 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8523 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8524
8525 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8526 bp->cnic_eth_dev.max_iscsi_conn,
8527 bp->cnic_eth_dev.max_fcoe_conn);
8528
8529 /* If mamimum allowed number of connections is zero -
8530 * disable the feature.
8531 */
8532 if (!bp->cnic_eth_dev.max_iscsi_conn)
8533 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8534
8535 if (!bp->cnic_eth_dev.max_fcoe_conn)
8536 bp->flags |= NO_FCOE_FLAG;
8537}
8538#endif
8539
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008540static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8541{
8542 u32 val, val2;
8543 int func = BP_ABS_FUNC(bp);
8544 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008545#ifdef BCM_CNIC
8546 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8547 u8 *fip_mac = bp->fip_mac;
8548#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008549
8550 if (BP_NOMCP(bp)) {
8551 BNX2X_ERROR("warning: random MAC workaround active\n");
8552 random_ether_addr(bp->dev->dev_addr);
8553 } else if (IS_MF(bp)) {
8554 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8555 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8556 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8557 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8558 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8559
8560#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008561 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8562 * FCoE MAC then the appropriate feature should be disabled.
8563 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008564 if (IS_MF_SI(bp)) {
8565 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8566 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8567 val2 = MF_CFG_RD(bp, func_ext_config[func].
8568 iscsi_mac_addr_upper);
8569 val = MF_CFG_RD(bp, func_ext_config[func].
8570 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008571 BNX2X_DEV_INFO("Read iSCSI MAC: "
8572 "0x%x:0x%04x\n", val2, val);
8573 bnx2x_set_mac_buf(iscsi_mac, val, val2);
8574
8575 /* Disable iSCSI OOO if MAC configuration is
8576 * invalid.
8577 */
8578 if (!is_valid_ether_addr(iscsi_mac)) {
8579 bp->flags |= NO_ISCSI_OOO_FLAG |
8580 NO_ISCSI_FLAG;
8581 memset(iscsi_mac, 0, ETH_ALEN);
8582 }
8583 } else
8584 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8585
8586 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8587 val2 = MF_CFG_RD(bp, func_ext_config[func].
8588 fcoe_mac_addr_upper);
8589 val = MF_CFG_RD(bp, func_ext_config[func].
8590 fcoe_mac_addr_lower);
8591 BNX2X_DEV_INFO("Read FCoE MAC to "
8592 "0x%x:0x%04x\n", val2, val);
8593 bnx2x_set_mac_buf(fip_mac, val, val2);
8594
8595 /* Disable FCoE if MAC configuration is
8596 * invalid.
8597 */
8598 if (!is_valid_ether_addr(fip_mac)) {
8599 bp->flags |= NO_FCOE_FLAG;
8600 memset(bp->fip_mac, 0, ETH_ALEN);
8601 }
8602 } else
8603 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008604 }
8605#endif
8606 } else {
8607 /* in SF read MACs from port configuration */
8608 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8609 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8610 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8611
8612#ifdef BCM_CNIC
8613 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8614 iscsi_mac_upper);
8615 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8616 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008617 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008618#endif
8619 }
8620
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008621 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8622 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008623
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008624#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008625 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008626 if (!CHIP_IS_E1x(bp)) {
8627 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008628 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8629 else if (!IS_MF(bp))
8630 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008631 }
8632#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008633}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008634
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008635static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8636{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008637 int /*abs*/func = BP_ABS_FUNC(bp);
8638 int vn, port;
8639 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008640 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008641
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008642 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008643
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008644 if (CHIP_IS_E1x(bp)) {
8645 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008646
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008647 bp->igu_dsb_id = DEF_SB_IGU_ID;
8648 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008649 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8650 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008651 } else {
8652 bp->common.int_block = INT_BLOCK_IGU;
8653 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8654 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8655 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8656 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8657 } else
8658 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8659
8660 bnx2x_get_igu_cam_info(bp);
8661
8662 }
8663 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8664 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8665
8666 /*
8667 * Initialize MF configuration
8668 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008669
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008670 bp->mf_ov = 0;
8671 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008672 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008673 port = BP_PORT(bp);
8674
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008675 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008676 DP(NETIF_MSG_PROBE,
8677 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8678 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8679 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008680 if (SHMEM2_HAS(bp, mf_cfg_addr))
8681 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8682 else
8683 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008684 offsetof(struct shmem_region, func_mb) +
8685 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008686 /*
8687 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008688 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008689 * 2. MAC address must be legal (check only upper bytes)
8690 * for Switch-Independent mode;
8691 * OVLAN must be legal for Switch-Dependent mode
8692 * 3. SF_MODE configures specific MF mode
8693 */
8694 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8695 /* get mf configuration */
8696 val = SHMEM_RD(bp,
8697 dev_info.shared_feature_config.config);
8698 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008699
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008700 switch (val) {
8701 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8702 val = MF_CFG_RD(bp, func_mf_config[func].
8703 mac_upper);
8704 /* check for legal mac (upper bytes)*/
8705 if (val != 0xffff) {
8706 bp->mf_mode = MULTI_FUNCTION_SI;
8707 bp->mf_config[vn] = MF_CFG_RD(bp,
8708 func_mf_config[func].config);
8709 } else
8710 DP(NETIF_MSG_PROBE, "illegal MAC "
8711 "address for SI\n");
8712 break;
8713 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8714 /* get OV configuration */
8715 val = MF_CFG_RD(bp,
8716 func_mf_config[FUNC_0].e1hov_tag);
8717 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8718
8719 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8720 bp->mf_mode = MULTI_FUNCTION_SD;
8721 bp->mf_config[vn] = MF_CFG_RD(bp,
8722 func_mf_config[func].config);
8723 } else
8724 DP(NETIF_MSG_PROBE, "illegal OV for "
8725 "SD\n");
8726 break;
8727 default:
8728 /* Unknown configuration: reset mf_config */
8729 bp->mf_config[vn] = 0;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008730 DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008731 val);
8732 }
8733 }
8734
Eilon Greenstein2691d512009-08-12 08:22:08 +00008735 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008736 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008737
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008738 switch (bp->mf_mode) {
8739 case MULTI_FUNCTION_SD:
8740 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8741 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008742 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008743 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008744 BNX2X_DEV_INFO("MF OV for func %d is %d"
8745 " (0x%04x)\n", func,
8746 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008747 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008748 BNX2X_ERR("No valid MF OV for func %d,"
8749 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008750 rc = -EPERM;
8751 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008752 break;
8753 case MULTI_FUNCTION_SI:
8754 BNX2X_DEV_INFO("func %d is in MF "
8755 "switch-independent mode\n", func);
8756 break;
8757 default:
8758 if (vn) {
8759 BNX2X_ERR("VN %d in single function mode,"
8760 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008761 rc = -EPERM;
8762 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008763 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008764 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008765
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008766 }
8767
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008768 /* adjust igu_sb_cnt to MF for E1x */
8769 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008770 bp->igu_sb_cnt /= E1HVN_MAX;
8771
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008772 /*
8773 * adjust E2 sb count: to be removed when FW will support
8774 * more then 16 L2 clients
8775 */
8776#define MAX_L2_CLIENTS 16
8777 if (CHIP_IS_E2(bp))
8778 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8779 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8780
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008781 if (!BP_NOMCP(bp)) {
8782 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008783
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008784 bp->fw_seq =
8785 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8786 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008787 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8788 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008789
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008790 /* Get MAC addresses */
8791 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008792
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008793#ifdef BCM_CNIC
8794 bnx2x_get_cnic_info(bp);
8795#endif
8796
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008797 return rc;
8798}
8799
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008800static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8801{
8802 int cnt, i, block_end, rodi;
8803 char vpd_data[BNX2X_VPD_LEN+1];
8804 char str_id_reg[VENDOR_ID_LEN+1];
8805 char str_id_cap[VENDOR_ID_LEN+1];
8806 u8 len;
8807
8808 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8809 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8810
8811 if (cnt < BNX2X_VPD_LEN)
8812 goto out_not_found;
8813
8814 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8815 PCI_VPD_LRDT_RO_DATA);
8816 if (i < 0)
8817 goto out_not_found;
8818
8819
8820 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8821 pci_vpd_lrdt_size(&vpd_data[i]);
8822
8823 i += PCI_VPD_LRDT_TAG_SIZE;
8824
8825 if (block_end > BNX2X_VPD_LEN)
8826 goto out_not_found;
8827
8828 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8829 PCI_VPD_RO_KEYWORD_MFR_ID);
8830 if (rodi < 0)
8831 goto out_not_found;
8832
8833 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8834
8835 if (len != VENDOR_ID_LEN)
8836 goto out_not_found;
8837
8838 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8839
8840 /* vendor specific info */
8841 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8842 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8843 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8844 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8845
8846 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8847 PCI_VPD_RO_KEYWORD_VENDOR0);
8848 if (rodi >= 0) {
8849 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8850
8851 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8852
8853 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8854 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8855 bp->fw_ver[len] = ' ';
8856 }
8857 }
8858 return;
8859 }
8860out_not_found:
8861 return;
8862}
8863
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008864static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8865{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008866 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008867 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008868 int rc;
8869
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008870 /* Disable interrupt handling until HW is initialized */
8871 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008872 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008873
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008874 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008875 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008876 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008877#ifdef BCM_CNIC
8878 mutex_init(&bp->cnic_mutex);
8879#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008880
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008881 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008882 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008883
8884 rc = bnx2x_get_hwinfo(bp);
8885
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008886 if (!rc)
8887 rc = bnx2x_alloc_mem_bp(bp);
8888
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008889 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008890
8891 func = BP_FUNC(bp);
8892
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008893 /* need to reset chip if undi was active */
8894 if (!BP_NOMCP(bp))
8895 bnx2x_undi_unload(bp);
8896
8897 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008898 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008899
8900 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008901 dev_err(&bp->pdev->dev, "MCP disabled, "
8902 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008903
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008904 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008905 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008906
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008907 /* Set TPA flags */
8908 if (disable_tpa) {
8909 bp->flags &= ~TPA_ENABLE_FLAG;
8910 bp->dev->features &= ~NETIF_F_LRO;
8911 } else {
8912 bp->flags |= TPA_ENABLE_FLAG;
8913 bp->dev->features |= NETIF_F_LRO;
8914 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008915 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008916
Eilon Greensteina18f5122009-08-12 08:23:26 +00008917 if (CHIP_IS_E1(bp))
8918 bp->dropless_fc = 0;
8919 else
8920 bp->dropless_fc = dropless_fc;
8921
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008922 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008923
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008924 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008925
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008926 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008927 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8928 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008929
Eilon Greenstein87942b42009-02-12 08:36:49 +00008930 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8931 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008932
8933 init_timer(&bp->timer);
8934 bp->timer.expires = jiffies + bp->current_interval;
8935 bp->timer.data = (unsigned long) bp;
8936 bp->timer.function = bnx2x_timer;
8937
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008938 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008939 bnx2x_dcbx_init_params(bp);
8940
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008941 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008942}
8943
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008944
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008945/****************************************************************************
8946* General service functions
8947****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008948
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008949/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008950static int bnx2x_open(struct net_device *dev)
8951{
8952 struct bnx2x *bp = netdev_priv(dev);
8953
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008954 netif_carrier_off(dev);
8955
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008956 bnx2x_set_power_state(bp, PCI_D0);
8957
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008958 if (!bnx2x_reset_is_done(bp)) {
8959 do {
8960 /* Reset MCP mail box sequence if there is on going
8961 * recovery
8962 */
8963 bp->fw_seq = 0;
8964
8965 /* If it's the first function to load and reset done
8966 * is still not cleared it may mean that. We don't
8967 * check the attention state here because it may have
8968 * already been cleared by a "common" reset but we
8969 * shell proceed with "process kill" anyway.
8970 */
8971 if ((bnx2x_get_load_cnt(bp) == 0) &&
8972 bnx2x_trylock_hw_lock(bp,
8973 HW_LOCK_RESOURCE_RESERVED_08) &&
8974 (!bnx2x_leader_reset(bp))) {
8975 DP(NETIF_MSG_HW, "Recovered in open\n");
8976 break;
8977 }
8978
8979 bnx2x_set_power_state(bp, PCI_D3hot);
8980
8981 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8982 " completed yet. Try again later. If u still see this"
8983 " message after a few retries then power cycle is"
8984 " required.\n", bp->dev->name);
8985
8986 return -EAGAIN;
8987 } while (0);
8988 }
8989
8990 bp->recovery_state = BNX2X_RECOVERY_DONE;
8991
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008992 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008993}
8994
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008995/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008996static int bnx2x_close(struct net_device *dev)
8997{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008998 struct bnx2x *bp = netdev_priv(dev);
8999
9000 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07009001 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00009002 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009003
9004 return 0;
9005}
9006
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009007#define E1_MAX_UC_LIST 29
9008#define E1H_MAX_UC_LIST 30
9009#define E2_MAX_UC_LIST 14
9010static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
9011{
9012 if (CHIP_IS_E1(bp))
9013 return E1_MAX_UC_LIST;
9014 else if (CHIP_IS_E1H(bp))
9015 return E1H_MAX_UC_LIST;
9016 else
9017 return E2_MAX_UC_LIST;
9018}
9019
9020
9021static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
9022{
9023 if (CHIP_IS_E1(bp))
9024 /* CAM Entries for Port0:
9025 * 0 - prim ETH MAC
9026 * 1 - BCAST MAC
9027 * 2 - iSCSI L2 ring ETH MAC
9028 * 3-31 - UC MACs
9029 *
9030 * Port1 entries are allocated the same way starting from
9031 * entry 32.
9032 */
9033 return 3 + 32 * BP_PORT(bp);
9034 else if (CHIP_IS_E1H(bp)) {
9035 /* CAM Entries:
9036 * 0-7 - prim ETH MAC for each function
9037 * 8-15 - iSCSI L2 ring ETH MAC for each function
9038 * 16 till 255 UC MAC lists for each function
9039 *
9040 * Remark: There is no FCoE support for E1H, thus FCoE related
9041 * MACs are not considered.
9042 */
9043 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
9044 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
9045 } else {
9046 /* CAM Entries (there is a separate CAM per engine):
9047 * 0-4 - prim ETH MAC for each function
9048 * 4-7 - iSCSI L2 ring ETH MAC for each function
9049 * 8-11 - FIP ucast L2 MAC for each function
9050 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
9051 * 16 till 71 UC MAC lists for each function
9052 */
9053 u8 func_idx =
9054 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
9055
9056 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
9057 bnx2x_max_uc_list(bp) * func_idx;
9058 }
9059}
9060
9061/* set uc list, do not wait as wait implies sleep and
9062 * set_rx_mode can be invoked from non-sleepable context.
9063 *
9064 * Instead we use the same ramrod data buffer each time we need
9065 * to configure a list of addresses, and use the fact that the
9066 * list of MACs is changed in an incremental way and that the
9067 * function is called under the netif_addr_lock. A temporary
9068 * inconsistent CAM configuration (possible in case of very fast
9069 * sequence of add/del/add on the host side) will shortly be
9070 * restored by the handler of the last ramrod.
9071 */
9072static int bnx2x_set_uc_list(struct bnx2x *bp)
9073{
9074 int i = 0, old;
9075 struct net_device *dev = bp->dev;
9076 u8 offset = bnx2x_uc_list_cam_offset(bp);
9077 struct netdev_hw_addr *ha;
9078 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
9079 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
9080
9081 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
9082 return -EINVAL;
9083
9084 netdev_for_each_uc_addr(ha, dev) {
9085 /* copy mac */
9086 config_cmd->config_table[i].msb_mac_addr =
9087 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
9088 config_cmd->config_table[i].middle_mac_addr =
9089 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
9090 config_cmd->config_table[i].lsb_mac_addr =
9091 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
9092
9093 config_cmd->config_table[i].vlan_id = 0;
9094 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
9095 config_cmd->config_table[i].clients_bit_vector =
9096 cpu_to_le32(1 << BP_L_ID(bp));
9097
9098 SET_FLAG(config_cmd->config_table[i].flags,
9099 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
9100 T_ETH_MAC_COMMAND_SET);
9101
9102 DP(NETIF_MSG_IFUP,
9103 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
9104 config_cmd->config_table[i].msb_mac_addr,
9105 config_cmd->config_table[i].middle_mac_addr,
9106 config_cmd->config_table[i].lsb_mac_addr);
9107
9108 i++;
9109
9110 /* Set uc MAC in NIG */
9111 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
9112 LLH_CAM_ETH_LINE + i);
9113 }
9114 old = config_cmd->hdr.length;
9115 if (old > i) {
9116 for (; i < old; i++) {
9117 if (CAM_IS_INVALID(config_cmd->
9118 config_table[i])) {
9119 /* already invalidated */
9120 break;
9121 }
9122 /* invalidate */
9123 SET_FLAG(config_cmd->config_table[i].flags,
9124 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
9125 T_ETH_MAC_COMMAND_INVALIDATE);
9126 }
9127 }
9128
9129 wmb();
9130
9131 config_cmd->hdr.length = i;
9132 config_cmd->hdr.offset = offset;
9133 config_cmd->hdr.client_id = 0xff;
9134 /* Mark that this ramrod doesn't use bp->set_mac_pending for
9135 * synchronization.
9136 */
9137 config_cmd->hdr.echo = 0;
9138
9139 mb();
9140
9141 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
9142 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
9143
9144}
9145
9146void bnx2x_invalidate_uc_list(struct bnx2x *bp)
9147{
9148 int i;
9149 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
9150 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
9151 int ramrod_flags = WAIT_RAMROD_COMMON;
9152 u8 offset = bnx2x_uc_list_cam_offset(bp);
9153 u8 max_list_size = bnx2x_max_uc_list(bp);
9154
9155 for (i = 0; i < max_list_size; i++) {
9156 SET_FLAG(config_cmd->config_table[i].flags,
9157 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
9158 T_ETH_MAC_COMMAND_INVALIDATE);
9159 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
9160 }
9161
9162 wmb();
9163
9164 config_cmd->hdr.length = max_list_size;
9165 config_cmd->hdr.offset = offset;
9166 config_cmd->hdr.client_id = 0xff;
9167 /* We'll wait for a completion this time... */
9168 config_cmd->hdr.echo = 1;
9169
9170 bp->set_mac_pending = 1;
9171
9172 mb();
9173
9174 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
9175 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
9176
9177 /* Wait for a completion */
9178 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
9179 ramrod_flags);
9180
9181}
9182
9183static inline int bnx2x_set_mc_list(struct bnx2x *bp)
9184{
9185 /* some multicasts */
9186 if (CHIP_IS_E1(bp)) {
9187 return bnx2x_set_e1_mc_list(bp);
9188 } else { /* E1H and newer */
9189 return bnx2x_set_e1h_mc_list(bp);
9190 }
9191}
9192
Eilon Greensteinf5372252009-02-12 08:38:30 +00009193/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009194void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009195{
9196 struct bnx2x *bp = netdev_priv(dev);
9197 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009198
9199 if (bp->state != BNX2X_STATE_OPEN) {
9200 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9201 return;
9202 }
9203
9204 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9205
9206 if (dev->flags & IFF_PROMISC)
9207 rx_mode = BNX2X_RX_MODE_PROMISC;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009208 else if (dev->flags & IFF_ALLMULTI)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009209 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009210 else {
9211 /* some multicasts */
9212 if (bnx2x_set_mc_list(bp))
9213 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009214
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009215 /* some unicasts */
9216 if (bnx2x_set_uc_list(bp))
9217 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009218 }
9219
9220 bp->rx_mode = rx_mode;
9221 bnx2x_set_storm_rx_mode(bp);
9222}
9223
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009224/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009225static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
9226 int devad, u16 addr)
9227{
9228 struct bnx2x *bp = netdev_priv(netdev);
9229 u16 value;
9230 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009231
9232 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
9233 prtad, devad, addr);
9234
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009235 /* The HW expects different devad if CL22 is used */
9236 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9237
9238 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009239 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009240 bnx2x_release_phy_lock(bp);
9241 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
9242
9243 if (!rc)
9244 rc = value;
9245 return rc;
9246}
9247
9248/* called with rtnl_lock */
9249static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
9250 u16 addr, u16 value)
9251{
9252 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009253 int rc;
9254
9255 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9256 " value 0x%x\n", prtad, devad, addr, value);
9257
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009258 /* The HW expects different devad if CL22 is used */
9259 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9260
9261 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009262 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009263 bnx2x_release_phy_lock(bp);
9264 return rc;
9265}
9266
9267/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009268static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9269{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009270 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009271 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009272
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009273 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9274 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009275
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009276 if (!netif_running(dev))
9277 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009278
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009279 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009280}
9281
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009282#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009283static void poll_bnx2x(struct net_device *dev)
9284{
9285 struct bnx2x *bp = netdev_priv(dev);
9286
9287 disable_irq(bp->pdev->irq);
9288 bnx2x_interrupt(bp->pdev->irq, dev);
9289 enable_irq(bp->pdev->irq);
9290}
9291#endif
9292
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009293static const struct net_device_ops bnx2x_netdev_ops = {
9294 .ndo_open = bnx2x_open,
9295 .ndo_stop = bnx2x_close,
9296 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009297 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009298 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009299 .ndo_set_mac_address = bnx2x_change_mac_addr,
9300 .ndo_validate_addr = eth_validate_addr,
9301 .ndo_do_ioctl = bnx2x_ioctl,
9302 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +00009303 .ndo_fix_features = bnx2x_fix_features,
9304 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009305 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009306#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009307 .ndo_poll_controller = poll_bnx2x,
9308#endif
9309};
9310
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009311static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9312 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009313{
9314 struct bnx2x *bp;
9315 int rc;
9316
9317 SET_NETDEV_DEV(dev, &pdev->dev);
9318 bp = netdev_priv(dev);
9319
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009320 bp->dev = dev;
9321 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009322 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009323 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009324
9325 rc = pci_enable_device(pdev);
9326 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009327 dev_err(&bp->pdev->dev,
9328 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009329 goto err_out;
9330 }
9331
9332 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009333 dev_err(&bp->pdev->dev,
9334 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009335 rc = -ENODEV;
9336 goto err_out_disable;
9337 }
9338
9339 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009340 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9341 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009342 rc = -ENODEV;
9343 goto err_out_disable;
9344 }
9345
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009346 if (atomic_read(&pdev->enable_cnt) == 1) {
9347 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9348 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009349 dev_err(&bp->pdev->dev,
9350 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009351 goto err_out_disable;
9352 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009353
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009354 pci_set_master(pdev);
9355 pci_save_state(pdev);
9356 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009357
9358 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9359 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009360 dev_err(&bp->pdev->dev,
9361 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009362 rc = -EIO;
9363 goto err_out_release;
9364 }
9365
9366 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9367 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009368 dev_err(&bp->pdev->dev,
9369 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009370 rc = -EIO;
9371 goto err_out_release;
9372 }
9373
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009374 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009375 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009376 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009377 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9378 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009379 rc = -EIO;
9380 goto err_out_release;
9381 }
9382
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009383 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009384 dev_err(&bp->pdev->dev,
9385 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009386 rc = -EIO;
9387 goto err_out_release;
9388 }
9389
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009390 dev->mem_start = pci_resource_start(pdev, 0);
9391 dev->base_addr = dev->mem_start;
9392 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009393
9394 dev->irq = pdev->irq;
9395
Arjan van de Ven275f1652008-10-20 21:42:39 -07009396 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009397 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009398 dev_err(&bp->pdev->dev,
9399 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009400 rc = -ENOMEM;
9401 goto err_out_release;
9402 }
9403
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009404 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009405 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009406 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009407 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009408 dev_err(&bp->pdev->dev,
9409 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009410 rc = -ENOMEM;
9411 goto err_out_unmap;
9412 }
9413
9414 bnx2x_set_power_state(bp, PCI_D0);
9415
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009416 /* clean indirect addresses */
9417 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9418 PCICFG_VENDOR_ID_OFFSET);
9419 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9420 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9421 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9422 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009423
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009424 /* Reset the load counter */
9425 bnx2x_clear_load_cnt(bp);
9426
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009427 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009428
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009429 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009430 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +00009431
9432 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9433 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
9434 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX;
9435
9436 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9437 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
9438
9439 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009440 if (bp->flags & USING_DAC_FLAG)
9441 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009442
Shmulik Ravid98507672011-02-28 12:19:55 -08009443#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009444 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9445#endif
9446
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009447 /* get_port_hwinfo() will set prtad and mmds properly */
9448 bp->mdio.prtad = MDIO_PRTAD_NONE;
9449 bp->mdio.mmds = 0;
9450 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9451 bp->mdio.dev = dev;
9452 bp->mdio.mdio_read = bnx2x_mdio_read;
9453 bp->mdio.mdio_write = bnx2x_mdio_write;
9454
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009455 return 0;
9456
9457err_out_unmap:
9458 if (bp->regview) {
9459 iounmap(bp->regview);
9460 bp->regview = NULL;
9461 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009462 if (bp->doorbells) {
9463 iounmap(bp->doorbells);
9464 bp->doorbells = NULL;
9465 }
9466
9467err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009468 if (atomic_read(&pdev->enable_cnt) == 1)
9469 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009470
9471err_out_disable:
9472 pci_disable_device(pdev);
9473 pci_set_drvdata(pdev, NULL);
9474
9475err_out:
9476 return rc;
9477}
9478
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009479static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9480 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009481{
9482 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9483
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009484 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9485
9486 /* return value of 1=2.5GHz 2=5GHz */
9487 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009488}
9489
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009490static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009491{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009492 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009493 struct bnx2x_fw_file_hdr *fw_hdr;
9494 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009495 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009496 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009497 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009498 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009499
9500 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9501 return -EINVAL;
9502
9503 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9504 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9505
9506 /* Make sure none of the offsets and sizes make us read beyond
9507 * the end of the firmware data */
9508 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9509 offset = be32_to_cpu(sections[i].offset);
9510 len = be32_to_cpu(sections[i].len);
9511 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009512 dev_err(&bp->pdev->dev,
9513 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009514 return -EINVAL;
9515 }
9516 }
9517
9518 /* Likewise for the init_ops offsets */
9519 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9520 ops_offsets = (u16 *)(firmware->data + offset);
9521 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9522
9523 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9524 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009525 dev_err(&bp->pdev->dev,
9526 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009527 return -EINVAL;
9528 }
9529 }
9530
9531 /* Check FW version */
9532 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9533 fw_ver = firmware->data + offset;
9534 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9535 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9536 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9537 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009538 dev_err(&bp->pdev->dev,
9539 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009540 fw_ver[0], fw_ver[1], fw_ver[2],
9541 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9542 BCM_5710_FW_MINOR_VERSION,
9543 BCM_5710_FW_REVISION_VERSION,
9544 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009545 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009546 }
9547
9548 return 0;
9549}
9550
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009551static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009552{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009553 const __be32 *source = (const __be32 *)_source;
9554 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009555 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009556
9557 for (i = 0; i < n/4; i++)
9558 target[i] = be32_to_cpu(source[i]);
9559}
9560
9561/*
9562 Ops array is stored in the following format:
9563 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9564 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009565static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009566{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009567 const __be32 *source = (const __be32 *)_source;
9568 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009569 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009570
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009571 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009572 tmp = be32_to_cpu(source[j]);
9573 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009574 target[i].offset = tmp & 0xffffff;
9575 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009576 }
9577}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009578
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009579/**
9580 * IRO array is stored in the following format:
9581 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9582 */
9583static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9584{
9585 const __be32 *source = (const __be32 *)_source;
9586 struct iro *target = (struct iro *)_target;
9587 u32 i, j, tmp;
9588
9589 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9590 target[i].base = be32_to_cpu(source[j]);
9591 j++;
9592 tmp = be32_to_cpu(source[j]);
9593 target[i].m1 = (tmp >> 16) & 0xffff;
9594 target[i].m2 = tmp & 0xffff;
9595 j++;
9596 tmp = be32_to_cpu(source[j]);
9597 target[i].m3 = (tmp >> 16) & 0xffff;
9598 target[i].size = tmp & 0xffff;
9599 j++;
9600 }
9601}
9602
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009603static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009604{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009605 const __be16 *source = (const __be16 *)_source;
9606 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009607 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009608
9609 for (i = 0; i < n/2; i++)
9610 target[i] = be16_to_cpu(source[i]);
9611}
9612
Joe Perches7995c642010-02-17 15:01:52 +00009613#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9614do { \
9615 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9616 bp->arr = kmalloc(len, GFP_KERNEL); \
9617 if (!bp->arr) { \
9618 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9619 goto lbl; \
9620 } \
9621 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9622 (u8 *)bp->arr, len); \
9623} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009624
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009625int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009626{
Ben Hutchings45229b42009-11-07 11:53:39 +00009627 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009628 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009629 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009630
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009631 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009632 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009633 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009634 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009635 else if (CHIP_IS_E2(bp))
9636 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009637 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009638 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009639 return -EINVAL;
9640 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009641
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009642 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009643
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009644 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009645 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009646 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009647 goto request_firmware_exit;
9648 }
9649
9650 rc = bnx2x_check_firmware(bp);
9651 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009652 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009653 goto request_firmware_exit;
9654 }
9655
9656 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9657
9658 /* Initialize the pointers to the init arrays */
9659 /* Blob */
9660 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9661
9662 /* Opcodes */
9663 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9664
9665 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009666 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9667 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009668
9669 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009670 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9671 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9672 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9673 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9674 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9675 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9676 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9677 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9678 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9679 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9680 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9681 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9682 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9683 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9684 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9685 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009686 /* IRO */
9687 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009688
9689 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009690
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009691iro_alloc_err:
9692 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009693init_offsets_alloc_err:
9694 kfree(bp->init_ops);
9695init_ops_alloc_err:
9696 kfree(bp->init_data);
9697request_firmware_exit:
9698 release_firmware(bp->firmware);
9699
9700 return rc;
9701}
9702
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009703static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9704{
9705 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009706
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009707#ifdef BCM_CNIC
9708 cid_count += CNIC_CID_MAX;
9709#endif
9710 return roundup(cid_count, QM_CID_ROUND);
9711}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009712
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009713static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9714 const struct pci_device_id *ent)
9715{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009716 struct net_device *dev = NULL;
9717 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009718 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009719 int rc, cid_count;
9720
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009721 switch (ent->driver_data) {
9722 case BCM57710:
9723 case BCM57711:
9724 case BCM57711E:
9725 cid_count = FP_SB_MAX_E1x;
9726 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009727
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009728 case BCM57712:
9729 case BCM57712E:
9730 cid_count = FP_SB_MAX_E2;
9731 break;
9732
9733 default:
9734 pr_err("Unknown board_type (%ld), aborting\n",
9735 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009736 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009737 }
9738
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009739 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009740
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009741 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009742 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009743 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009744 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009745 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009746 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009747
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009748 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009749 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009750
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009751 pci_set_drvdata(pdev, dev);
9752
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009753 bp->l2_cid_count = cid_count;
9754
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009755 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009756 if (rc < 0) {
9757 free_netdev(dev);
9758 return rc;
9759 }
9760
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009761 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009762 if (rc)
9763 goto init_one_exit;
9764
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009765 /* calc qm_cid_count */
9766 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9767
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009768#ifdef BCM_CNIC
9769 /* disable FCOE L2 queue for E1x*/
9770 if (CHIP_IS_E1x(bp))
9771 bp->flags |= NO_FCOE_FLAG;
9772
9773#endif
9774
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009775 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009776 * needed, set bp->num_queues appropriately.
9777 */
9778 bnx2x_set_int_mode(bp);
9779
9780 /* Add all NAPI objects */
9781 bnx2x_add_all_napi(bp);
9782
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009783 rc = register_netdev(dev);
9784 if (rc) {
9785 dev_err(&pdev->dev, "Cannot register net device\n");
9786 goto init_one_exit;
9787 }
9788
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009789#ifdef BCM_CNIC
9790 if (!NO_FCOE(bp)) {
9791 /* Add storage MAC address */
9792 rtnl_lock();
9793 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9794 rtnl_unlock();
9795 }
9796#endif
9797
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009798 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009799
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009800 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9801 " IRQ %d, ", board_info[ent->driver_data].name,
9802 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009803 pcie_width,
9804 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9805 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9806 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009807 dev->base_addr, bp->pdev->irq);
9808 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009809
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009810 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009811
9812init_one_exit:
9813 if (bp->regview)
9814 iounmap(bp->regview);
9815
9816 if (bp->doorbells)
9817 iounmap(bp->doorbells);
9818
9819 free_netdev(dev);
9820
9821 if (atomic_read(&pdev->enable_cnt) == 1)
9822 pci_release_regions(pdev);
9823
9824 pci_disable_device(pdev);
9825 pci_set_drvdata(pdev, NULL);
9826
9827 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009828}
9829
9830static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9831{
9832 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009833 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009834
Eliezer Tamir228241e2008-02-28 11:56:57 -08009835 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009836 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009837 return;
9838 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009839 bp = netdev_priv(dev);
9840
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009841#ifdef BCM_CNIC
9842 /* Delete storage MAC address */
9843 if (!NO_FCOE(bp)) {
9844 rtnl_lock();
9845 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9846 rtnl_unlock();
9847 }
9848#endif
9849
Shmulik Ravid98507672011-02-28 12:19:55 -08009850#ifdef BCM_DCBNL
9851 /* Delete app tlvs from dcbnl */
9852 bnx2x_dcbnl_update_applist(bp, true);
9853#endif
9854
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009855 unregister_netdev(dev);
9856
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009857 /* Delete all NAPI objects */
9858 bnx2x_del_all_napi(bp);
9859
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009860 /* Power on: we can't let PCI layer write to us while we are in D3 */
9861 bnx2x_set_power_state(bp, PCI_D0);
9862
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009863 /* Disable MSI/MSI-X */
9864 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009865
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009866 /* Power off */
9867 bnx2x_set_power_state(bp, PCI_D3hot);
9868
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009869 /* Make sure RESET task is not scheduled before continuing */
9870 cancel_delayed_work_sync(&bp->reset_task);
9871
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009872 if (bp->regview)
9873 iounmap(bp->regview);
9874
9875 if (bp->doorbells)
9876 iounmap(bp->doorbells);
9877
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009878 bnx2x_free_mem_bp(bp);
9879
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009880 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009881
9882 if (atomic_read(&pdev->enable_cnt) == 1)
9883 pci_release_regions(pdev);
9884
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009885 pci_disable_device(pdev);
9886 pci_set_drvdata(pdev, NULL);
9887}
9888
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009889static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9890{
9891 int i;
9892
9893 bp->state = BNX2X_STATE_ERROR;
9894
9895 bp->rx_mode = BNX2X_RX_MODE_NONE;
9896
9897 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009898 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009899
9900 del_timer_sync(&bp->timer);
9901 bp->stats_state = STATS_STATE_DISABLED;
9902 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9903
9904 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009905 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009906
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009907 /* Free SKBs, SGEs, TPA pool and driver internals */
9908 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009909
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009910 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009911 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009912
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009913 bnx2x_free_mem(bp);
9914
9915 bp->state = BNX2X_STATE_CLOSED;
9916
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009917 return 0;
9918}
9919
9920static void bnx2x_eeh_recover(struct bnx2x *bp)
9921{
9922 u32 val;
9923
9924 mutex_init(&bp->port.phy_mutex);
9925
9926 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9927 bp->link_params.shmem_base = bp->common.shmem_base;
9928 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9929
9930 if (!bp->common.shmem_base ||
9931 (bp->common.shmem_base < 0xA0000) ||
9932 (bp->common.shmem_base >= 0xC0000)) {
9933 BNX2X_DEV_INFO("MCP not active\n");
9934 bp->flags |= NO_MCP_FLAG;
9935 return;
9936 }
9937
9938 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9939 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9940 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9941 BNX2X_ERR("BAD MCP validity signature\n");
9942
9943 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009944 bp->fw_seq =
9945 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9946 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009947 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9948 }
9949}
9950
Wendy Xiong493adb12008-06-23 20:36:22 -07009951/**
9952 * bnx2x_io_error_detected - called when PCI error is detected
9953 * @pdev: Pointer to PCI device
9954 * @state: The current pci connection state
9955 *
9956 * This function is called after a PCI bus error affecting
9957 * this device has been detected.
9958 */
9959static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9960 pci_channel_state_t state)
9961{
9962 struct net_device *dev = pci_get_drvdata(pdev);
9963 struct bnx2x *bp = netdev_priv(dev);
9964
9965 rtnl_lock();
9966
9967 netif_device_detach(dev);
9968
Dean Nelson07ce50e2009-07-31 09:13:25 +00009969 if (state == pci_channel_io_perm_failure) {
9970 rtnl_unlock();
9971 return PCI_ERS_RESULT_DISCONNECT;
9972 }
9973
Wendy Xiong493adb12008-06-23 20:36:22 -07009974 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009975 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009976
9977 pci_disable_device(pdev);
9978
9979 rtnl_unlock();
9980
9981 /* Request a slot reset */
9982 return PCI_ERS_RESULT_NEED_RESET;
9983}
9984
9985/**
9986 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9987 * @pdev: Pointer to PCI device
9988 *
9989 * Restart the card from scratch, as if from a cold-boot.
9990 */
9991static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9992{
9993 struct net_device *dev = pci_get_drvdata(pdev);
9994 struct bnx2x *bp = netdev_priv(dev);
9995
9996 rtnl_lock();
9997
9998 if (pci_enable_device(pdev)) {
9999 dev_err(&pdev->dev,
10000 "Cannot re-enable PCI device after reset\n");
10001 rtnl_unlock();
10002 return PCI_ERS_RESULT_DISCONNECT;
10003 }
10004
10005 pci_set_master(pdev);
10006 pci_restore_state(pdev);
10007
10008 if (netif_running(dev))
10009 bnx2x_set_power_state(bp, PCI_D0);
10010
10011 rtnl_unlock();
10012
10013 return PCI_ERS_RESULT_RECOVERED;
10014}
10015
10016/**
10017 * bnx2x_io_resume - called when traffic can start flowing again
10018 * @pdev: Pointer to PCI device
10019 *
10020 * This callback is called when the error recovery driver tells us that
10021 * its OK to resume normal operation.
10022 */
10023static void bnx2x_io_resume(struct pci_dev *pdev)
10024{
10025 struct net_device *dev = pci_get_drvdata(pdev);
10026 struct bnx2x *bp = netdev_priv(dev);
10027
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010028 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010029 printk(KERN_ERR "Handling parity error recovery. "
10030 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +000010031 return;
10032 }
10033
Wendy Xiong493adb12008-06-23 20:36:22 -070010034 rtnl_lock();
10035
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010036 bnx2x_eeh_recover(bp);
10037
Wendy Xiong493adb12008-06-23 20:36:22 -070010038 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -070010039 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -070010040
10041 netif_device_attach(dev);
10042
10043 rtnl_unlock();
10044}
10045
10046static struct pci_error_handlers bnx2x_err_handler = {
10047 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +000010048 .slot_reset = bnx2x_io_slot_reset,
10049 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -070010050};
10051
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010052static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -070010053 .name = DRV_MODULE_NAME,
10054 .id_table = bnx2x_pci_tbl,
10055 .probe = bnx2x_init_one,
10056 .remove = __devexit_p(bnx2x_remove_one),
10057 .suspend = bnx2x_suspend,
10058 .resume = bnx2x_resume,
10059 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010060};
10061
10062static int __init bnx2x_init(void)
10063{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000010064 int ret;
10065
Joe Perches7995c642010-02-17 15:01:52 +000010066 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +000010067
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010068 bnx2x_wq = create_singlethread_workqueue("bnx2x");
10069 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +000010070 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010071 return -ENOMEM;
10072 }
10073
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000010074 ret = pci_register_driver(&bnx2x_pci_driver);
10075 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +000010076 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +000010077 destroy_workqueue(bnx2x_wq);
10078 }
10079 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010080}
10081
10082static void __exit bnx2x_cleanup(void)
10083{
10084 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -080010085
10086 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020010087}
10088
10089module_init(bnx2x_init);
10090module_exit(bnx2x_cleanup);
10091
Michael Chan993ac7b2009-10-10 13:46:56 +000010092#ifdef BCM_CNIC
10093
10094/* count denotes the number of new completions we have seen */
10095static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
10096{
10097 struct eth_spe *spe;
10098
10099#ifdef BNX2X_STOP_ON_ERROR
10100 if (unlikely(bp->panic))
10101 return;
10102#endif
10103
10104 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010105 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +000010106 bp->cnic_spq_pending -= count;
10107
Michael Chan993ac7b2009-10-10 13:46:56 +000010108
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010109 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
10110 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
10111 & SPE_HDR_CONN_TYPE) >>
10112 SPE_HDR_CONN_TYPE_SHIFT;
10113
10114 /* Set validation for iSCSI L2 client before sending SETUP
10115 * ramrod
10116 */
10117 if (type == ETH_CONNECTION_TYPE) {
10118 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
10119 hdr.conn_and_cmd_data) >>
10120 SPE_HDR_CMD_ID_SHIFT) & 0xff;
10121
10122 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
10123 bnx2x_set_ctx_validation(&bp->context.
10124 vcxt[BNX2X_ISCSI_ETH_CID].eth,
10125 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
10126 }
10127
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010128 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
10129 * We also check that the number of outstanding
10130 * COMMON ramrods is not more than the EQ and SPQ can
10131 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010132 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010133 if (type == ETH_CONNECTION_TYPE) {
10134 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010135 break;
10136 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010137 atomic_dec(&bp->cq_spq_left);
10138 } else if (type == NONE_CONNECTION_TYPE) {
10139 if (!atomic_read(&bp->eq_spq_left))
10140 break;
10141 else
10142 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010143 } else if ((type == ISCSI_CONNECTION_TYPE) ||
10144 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010145 if (bp->cnic_spq_pending >=
10146 bp->cnic_eth_dev.max_kwqe_pending)
10147 break;
10148 else
10149 bp->cnic_spq_pending++;
10150 } else {
10151 BNX2X_ERR("Unknown SPE type: %d\n", type);
10152 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +000010153 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010154 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010155
10156 spe = bnx2x_sp_get_next(bp);
10157 *spe = *bp->cnic_kwq_cons;
10158
Michael Chan993ac7b2009-10-10 13:46:56 +000010159 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
10160 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
10161
10162 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
10163 bp->cnic_kwq_cons = bp->cnic_kwq;
10164 else
10165 bp->cnic_kwq_cons++;
10166 }
10167 bnx2x_sp_prod_update(bp);
10168 spin_unlock_bh(&bp->spq_lock);
10169}
10170
10171static int bnx2x_cnic_sp_queue(struct net_device *dev,
10172 struct kwqe_16 *kwqes[], u32 count)
10173{
10174 struct bnx2x *bp = netdev_priv(dev);
10175 int i;
10176
10177#ifdef BNX2X_STOP_ON_ERROR
10178 if (unlikely(bp->panic))
10179 return -EIO;
10180#endif
10181
10182 spin_lock_bh(&bp->spq_lock);
10183
10184 for (i = 0; i < count; i++) {
10185 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
10186
10187 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
10188 break;
10189
10190 *bp->cnic_kwq_prod = *spe;
10191
10192 bp->cnic_kwq_pending++;
10193
10194 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
10195 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010196 spe->data.update_data_addr.hi,
10197 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000010198 bp->cnic_kwq_pending);
10199
10200 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
10201 bp->cnic_kwq_prod = bp->cnic_kwq;
10202 else
10203 bp->cnic_kwq_prod++;
10204 }
10205
10206 spin_unlock_bh(&bp->spq_lock);
10207
10208 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
10209 bnx2x_cnic_sp_post(bp, 0);
10210
10211 return i;
10212}
10213
10214static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10215{
10216 struct cnic_ops *c_ops;
10217 int rc = 0;
10218
10219 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000010220 c_ops = rcu_dereference_protected(bp->cnic_ops,
10221 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000010222 if (c_ops)
10223 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10224 mutex_unlock(&bp->cnic_mutex);
10225
10226 return rc;
10227}
10228
10229static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10230{
10231 struct cnic_ops *c_ops;
10232 int rc = 0;
10233
10234 rcu_read_lock();
10235 c_ops = rcu_dereference(bp->cnic_ops);
10236 if (c_ops)
10237 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10238 rcu_read_unlock();
10239
10240 return rc;
10241}
10242
10243/*
10244 * for commands that have no data
10245 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010246int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000010247{
10248 struct cnic_ctl_info ctl = {0};
10249
10250 ctl.cmd = cmd;
10251
10252 return bnx2x_cnic_ctl_send(bp, &ctl);
10253}
10254
10255static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10256{
10257 struct cnic_ctl_info ctl;
10258
10259 /* first we tell CNIC and only then we count this as a completion */
10260 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10261 ctl.data.comp.cid = cid;
10262
10263 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010264 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010265}
10266
10267static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10268{
10269 struct bnx2x *bp = netdev_priv(dev);
10270 int rc = 0;
10271
10272 switch (ctl->cmd) {
10273 case DRV_CTL_CTXTBL_WR_CMD: {
10274 u32 index = ctl->data.io.offset;
10275 dma_addr_t addr = ctl->data.io.dma_addr;
10276
10277 bnx2x_ilt_wr(bp, index, addr);
10278 break;
10279 }
10280
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010281 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10282 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010283
10284 bnx2x_cnic_sp_post(bp, count);
10285 break;
10286 }
10287
10288 /* rtnl_lock is held. */
10289 case DRV_CTL_START_L2_CMD: {
10290 u32 cli = ctl->data.ring.client_id;
10291
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010292 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10293 bnx2x_del_fcoe_eth_macs(bp);
10294
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010295 /* Set iSCSI MAC address */
10296 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10297
10298 mmiowb();
10299 barrier();
10300
10301 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10302 * because it's the only way for UIO Client to accept
10303 * multicasts (in non-promiscuous mode only one Client per
10304 * function will receive multicast packets (leading in our
10305 * case).
10306 */
10307 bnx2x_rxq_set_mac_filters(bp, cli,
10308 BNX2X_ACCEPT_UNICAST |
10309 BNX2X_ACCEPT_BROADCAST |
10310 BNX2X_ACCEPT_ALL_MULTICAST);
10311 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10312
Michael Chan993ac7b2009-10-10 13:46:56 +000010313 break;
10314 }
10315
10316 /* rtnl_lock is held. */
10317 case DRV_CTL_STOP_L2_CMD: {
10318 u32 cli = ctl->data.ring.client_id;
10319
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010320 /* Stop accepting on iSCSI L2 ring */
10321 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10322 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10323
10324 mmiowb();
10325 barrier();
10326
10327 /* Unset iSCSI L2 MAC */
10328 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010329 break;
10330 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010331 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10332 int count = ctl->data.credit.credit_count;
10333
10334 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010335 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010336 smp_mb__after_atomic_inc();
10337 break;
10338 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010339
Dmitry Kravkovfab0dc82011-03-31 17:04:22 -070010340 case DRV_CTL_ISCSI_STOPPED_CMD: {
10341 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
10342 break;
10343 }
10344
Michael Chan993ac7b2009-10-10 13:46:56 +000010345 default:
10346 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10347 rc = -EINVAL;
10348 }
10349
10350 return rc;
10351}
10352
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010353void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010354{
10355 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10356
10357 if (bp->flags & USING_MSIX_FLAG) {
10358 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10359 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10360 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10361 } else {
10362 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10363 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10364 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010365 if (CHIP_IS_E2(bp))
10366 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10367 else
10368 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10369
Michael Chan993ac7b2009-10-10 13:46:56 +000010370 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010371 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010372 cp->irq_arr[1].status_blk = bp->def_status_blk;
10373 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010374 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010375
10376 cp->num_irq = 2;
10377}
10378
10379static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10380 void *data)
10381{
10382 struct bnx2x *bp = netdev_priv(dev);
10383 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10384
10385 if (ops == NULL)
10386 return -EINVAL;
10387
10388 if (atomic_read(&bp->intr_sem) != 0)
10389 return -EBUSY;
10390
10391 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10392 if (!bp->cnic_kwq)
10393 return -ENOMEM;
10394
10395 bp->cnic_kwq_cons = bp->cnic_kwq;
10396 bp->cnic_kwq_prod = bp->cnic_kwq;
10397 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10398
10399 bp->cnic_spq_pending = 0;
10400 bp->cnic_kwq_pending = 0;
10401
10402 bp->cnic_data = data;
10403
10404 cp->num_irq = 0;
10405 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010406 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010407
Michael Chan993ac7b2009-10-10 13:46:56 +000010408 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010409
Michael Chan993ac7b2009-10-10 13:46:56 +000010410 rcu_assign_pointer(bp->cnic_ops, ops);
10411
10412 return 0;
10413}
10414
10415static int bnx2x_unregister_cnic(struct net_device *dev)
10416{
10417 struct bnx2x *bp = netdev_priv(dev);
10418 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10419
10420 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010421 cp->drv_state = 0;
10422 rcu_assign_pointer(bp->cnic_ops, NULL);
10423 mutex_unlock(&bp->cnic_mutex);
10424 synchronize_rcu();
10425 kfree(bp->cnic_kwq);
10426 bp->cnic_kwq = NULL;
10427
10428 return 0;
10429}
10430
10431struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10432{
10433 struct bnx2x *bp = netdev_priv(dev);
10434 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10435
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010436 /* If both iSCSI and FCoE are disabled - return NULL in
10437 * order to indicate CNIC that it should not try to work
10438 * with this device.
10439 */
10440 if (NO_ISCSI(bp) && NO_FCOE(bp))
10441 return NULL;
10442
Michael Chan993ac7b2009-10-10 13:46:56 +000010443 cp->drv_owner = THIS_MODULE;
10444 cp->chip_id = CHIP_ID(bp);
10445 cp->pdev = bp->pdev;
10446 cp->io_base = bp->regview;
10447 cp->io_base2 = bp->doorbells;
10448 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010449 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010450 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10451 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010452 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010453 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010454 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10455 cp->drv_ctl = bnx2x_drv_ctl;
10456 cp->drv_register_cnic = bnx2x_register_cnic;
10457 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010458 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10459 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10460 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010461 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010462
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010463 if (NO_ISCSI_OOO(bp))
10464 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10465
10466 if (NO_ISCSI(bp))
10467 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10468
10469 if (NO_FCOE(bp))
10470 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10471
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010472 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10473 "starting cid %d\n",
10474 cp->ctx_blk_size,
10475 cp->ctx_tbl_offset,
10476 cp->ctx_tbl_len,
10477 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010478 return cp;
10479}
10480EXPORT_SYMBOL(bnx2x_cnic_probe);
10481
10482#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010483