blob: 74be989f51c5fff1157e8eeba5438eb13003b6f1 [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Dmitry Kravkov5de92402011-05-04 23:51:13 +00003 * Copyright (c) 2007-2011 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
Eilon Greensteinca003922009-08-12 22:53:28 -070013 * Slowpath and fastpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020026#include <linux/interrupt.h>
27#include <linux/pci.h>
28#include <linux/init.h>
29#include <linux/netdevice.h>
30#include <linux/etherdevice.h>
31#include <linux/skbuff.h>
32#include <linux/dma-mapping.h>
33#include <linux/bitops.h>
34#include <linux/irq.h>
35#include <linux/delay.h>
36#include <asm/byteorder.h>
37#include <linux/time.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080040#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020041#include <net/ip.h>
42#include <net/tcp.h>
43#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070044#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <linux/workqueue.h>
46#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/prefetch.h>
49#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020050#include <linux/io.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000051#include <linux/stringify.h>
David S. Miller7ab24bf2011-06-29 05:48:41 -070052#include <linux/vmalloc.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020053
Dmitry Kravkovb0efbb92010-07-27 12:33:43 +000054#define BNX2X_MAIN
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020055#include "bnx2x.h"
56#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070057#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000058#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000059#include "bnx2x_dcb.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020060
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070061#include <linux/firmware.h>
62#include "bnx2x_fw_file_hdr.h"
63/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000064#define FW_FILE_VERSION \
65 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
66 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
67 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
68 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000069#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
70#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000071#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070072
Eilon Greenstein34f80b02008-06-23 20:33:01 -070073/* Time in jiffies before concluding the transmitter is hung */
74#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020075
Andrew Morton53a10562008-02-09 23:16:41 -080076static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070077 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020078 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
79
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070080MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000081MODULE_DESCRIPTION("Broadcom NetXtreme II "
82 "BCM57710/57711/57711E/57712/57712E Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020083MODULE_LICENSE("GPL");
84MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000085MODULE_FIRMWARE(FW_FILE_NAME_E1);
86MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000087MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020088
Eilon Greenstein555f6c72009-02-12 08:36:11 +000089static int multi_mode = 1;
90module_param(multi_mode, int, 0);
Eilon Greensteinca003922009-08-12 22:53:28 -070091MODULE_PARM_DESC(multi_mode, " Multi queue mode "
92 "(0 Disable; 1 Enable (default))");
93
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000094int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000095module_param(num_queues, int, 0);
96MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
97 " (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +000098
Eilon Greenstein19680c42008-08-13 15:47:33 -070099static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -0700100module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000101MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000102
103static int int_mode;
104module_param(int_mode, int, 0);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000105MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
106 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000107
Eilon Greensteina18f5122009-08-12 08:23:26 +0000108static int dropless_fc;
109module_param(dropless_fc, int, 0);
110MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
111
Eilon Greenstein9898f862009-02-12 08:38:27 +0000112static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200113module_param(poll, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000114MODULE_PARM_DESC(poll, " Use polling (for debug)");
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000115
116static int mrrs = -1;
117module_param(mrrs, int, 0);
118MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
119
Eilon Greenstein9898f862009-02-12 08:38:27 +0000120static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200121module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000122MODULE_PARM_DESC(debug, " Default debug msglevel");
123
Eilon Greenstein1cf167f2009-01-14 21:22:18 -0800124static struct workqueue_struct *bnx2x_wq;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200125
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000126#ifdef BCM_CNIC
127static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
128#endif
129
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200130enum bnx2x_board_type {
131 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700132 BCM57711 = 1,
133 BCM57711E = 2,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000134 BCM57712 = 3,
135 BCM57712E = 4
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200136};
137
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700138/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800139static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200140 char *name;
141} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700142 { "Broadcom NetXtreme II BCM57710 XGb" },
143 { "Broadcom NetXtreme II BCM57711 XGb" },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000144 { "Broadcom NetXtreme II BCM57711E XGb" },
145 { "Broadcom NetXtreme II BCM57712 XGb" },
146 { "Broadcom NetXtreme II BCM57712E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200147};
148
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000149static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000150 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
151 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
152 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000153 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
154 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200155 { 0 }
156};
157
158MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
159
160/****************************************************************************
161* General service functions
162****************************************************************************/
163
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000164static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
165 u32 addr, dma_addr_t mapping)
166{
167 REG_WR(bp, addr, U64_LO(mapping));
168 REG_WR(bp, addr + 4, U64_HI(mapping));
169}
170
171static inline void __storm_memset_fill(struct bnx2x *bp,
172 u32 addr, size_t size, u32 val)
173{
174 int i;
175 for (i = 0; i < size/4; i++)
176 REG_WR(bp, addr + (i * 4), val);
177}
178
179static inline void storm_memset_ustats_zero(struct bnx2x *bp,
180 u8 port, u16 stat_id)
181{
182 size_t size = sizeof(struct ustorm_per_client_stats);
183
184 u32 addr = BAR_USTRORM_INTMEM +
185 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
186
187 __storm_memset_fill(bp, addr, size, 0);
188}
189
190static inline void storm_memset_tstats_zero(struct bnx2x *bp,
191 u8 port, u16 stat_id)
192{
193 size_t size = sizeof(struct tstorm_per_client_stats);
194
195 u32 addr = BAR_TSTRORM_INTMEM +
196 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
197
198 __storm_memset_fill(bp, addr, size, 0);
199}
200
201static inline void storm_memset_xstats_zero(struct bnx2x *bp,
202 u8 port, u16 stat_id)
203{
204 size_t size = sizeof(struct xstorm_per_client_stats);
205
206 u32 addr = BAR_XSTRORM_INTMEM +
207 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
208
209 __storm_memset_fill(bp, addr, size, 0);
210}
211
212
213static inline void storm_memset_spq_addr(struct bnx2x *bp,
214 dma_addr_t mapping, u16 abs_fid)
215{
216 u32 addr = XSEM_REG_FAST_MEMORY +
217 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
218
219 __storm_memset_dma_mapping(bp, addr, mapping);
220}
221
222static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
223{
224 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
225}
226
227static inline void storm_memset_func_cfg(struct bnx2x *bp,
228 struct tstorm_eth_function_common_config *tcfg,
229 u16 abs_fid)
230{
231 size_t size = sizeof(struct tstorm_eth_function_common_config);
232
233 u32 addr = BAR_TSTRORM_INTMEM +
234 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
235
236 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
237}
238
239static inline void storm_memset_xstats_flags(struct bnx2x *bp,
240 struct stats_indication_flags *flags,
241 u16 abs_fid)
242{
243 size_t size = sizeof(struct stats_indication_flags);
244
245 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
246
247 __storm_memset_struct(bp, addr, size, (u32 *)flags);
248}
249
250static inline void storm_memset_tstats_flags(struct bnx2x *bp,
251 struct stats_indication_flags *flags,
252 u16 abs_fid)
253{
254 size_t size = sizeof(struct stats_indication_flags);
255
256 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
257
258 __storm_memset_struct(bp, addr, size, (u32 *)flags);
259}
260
261static inline void storm_memset_ustats_flags(struct bnx2x *bp,
262 struct stats_indication_flags *flags,
263 u16 abs_fid)
264{
265 size_t size = sizeof(struct stats_indication_flags);
266
267 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
268
269 __storm_memset_struct(bp, addr, size, (u32 *)flags);
270}
271
272static inline void storm_memset_cstats_flags(struct bnx2x *bp,
273 struct stats_indication_flags *flags,
274 u16 abs_fid)
275{
276 size_t size = sizeof(struct stats_indication_flags);
277
278 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
279
280 __storm_memset_struct(bp, addr, size, (u32 *)flags);
281}
282
283static inline void storm_memset_xstats_addr(struct bnx2x *bp,
284 dma_addr_t mapping, u16 abs_fid)
285{
286 u32 addr = BAR_XSTRORM_INTMEM +
287 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
288
289 __storm_memset_dma_mapping(bp, addr, mapping);
290}
291
292static inline void storm_memset_tstats_addr(struct bnx2x *bp,
293 dma_addr_t mapping, u16 abs_fid)
294{
295 u32 addr = BAR_TSTRORM_INTMEM +
296 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
297
298 __storm_memset_dma_mapping(bp, addr, mapping);
299}
300
301static inline void storm_memset_ustats_addr(struct bnx2x *bp,
302 dma_addr_t mapping, u16 abs_fid)
303{
304 u32 addr = BAR_USTRORM_INTMEM +
305 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
306
307 __storm_memset_dma_mapping(bp, addr, mapping);
308}
309
310static inline void storm_memset_cstats_addr(struct bnx2x *bp,
311 dma_addr_t mapping, u16 abs_fid)
312{
313 u32 addr = BAR_CSTRORM_INTMEM +
314 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
315
316 __storm_memset_dma_mapping(bp, addr, mapping);
317}
318
319static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
320 u16 pf_id)
321{
322 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
323 pf_id);
324 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
325 pf_id);
326 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
327 pf_id);
328 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
329 pf_id);
330}
331
332static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
333 u8 enable)
334{
335 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
336 enable);
337 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
338 enable);
339 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
340 enable);
341 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
342 enable);
343}
344
345static inline void storm_memset_eq_data(struct bnx2x *bp,
346 struct event_ring_data *eq_data,
347 u16 pfid)
348{
349 size_t size = sizeof(struct event_ring_data);
350
351 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
352
353 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
354}
355
356static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
357 u16 pfid)
358{
359 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
360 REG_WR16(bp, addr, eq_prod);
361}
362
363static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
364 u16 fw_sb_id, u8 sb_index,
365 u8 ticks)
366{
367
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000368 int index_offset = CHIP_IS_E2(bp) ?
369 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000370 offsetof(struct hc_status_block_data_e1x, index_data);
371 u32 addr = BAR_CSTRORM_INTMEM +
372 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
373 index_offset +
374 sizeof(struct hc_index_data)*sb_index +
375 offsetof(struct hc_index_data, timeout);
376 REG_WR8(bp, addr, ticks);
377 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
378 port, fw_sb_id, sb_index, ticks);
379}
380static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
381 u16 fw_sb_id, u8 sb_index,
382 u8 disable)
383{
384 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000385 int index_offset = CHIP_IS_E2(bp) ?
386 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000387 offsetof(struct hc_status_block_data_e1x, index_data);
388 u32 addr = BAR_CSTRORM_INTMEM +
389 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
390 index_offset +
391 sizeof(struct hc_index_data)*sb_index +
392 offsetof(struct hc_index_data, flags);
393 u16 flags = REG_RD16(bp, addr);
394 /* clear and set */
395 flags &= ~HC_INDEX_DATA_HC_ENABLED;
396 flags |= enable_flag;
397 REG_WR16(bp, addr, flags);
398 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
399 port, fw_sb_id, sb_index, disable);
400}
401
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200402/* used only at init
403 * locking is done by mcp
404 */
stephen hemminger8d962862010-10-21 07:50:56 +0000405static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200406{
407 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
408 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
409 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
410 PCICFG_VENDOR_ID_OFFSET);
411}
412
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200413static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
414{
415 u32 val;
416
417 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
418 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
419 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
420 PCICFG_VENDOR_ID_OFFSET);
421
422 return val;
423}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200424
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000425#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
426#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
427#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
428#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
429#define DMAE_DP_DST_NONE "dst_addr [none]"
430
stephen hemminger8d962862010-10-21 07:50:56 +0000431static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
432 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000433{
434 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
435
436 switch (dmae->opcode & DMAE_COMMAND_DST) {
437 case DMAE_CMD_DST_PCI:
438 if (src_type == DMAE_CMD_SRC_PCI)
439 DP(msglvl, "DMAE: opcode 0x%08x\n"
440 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
441 "comp_addr [%x:%08x], comp_val 0x%08x\n",
442 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
443 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
444 dmae->comp_addr_hi, dmae->comp_addr_lo,
445 dmae->comp_val);
446 else
447 DP(msglvl, "DMAE: opcode 0x%08x\n"
448 "src [%08x], len [%d*4], dst [%x:%08x]\n"
449 "comp_addr [%x:%08x], comp_val 0x%08x\n",
450 dmae->opcode, dmae->src_addr_lo >> 2,
451 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
452 dmae->comp_addr_hi, dmae->comp_addr_lo,
453 dmae->comp_val);
454 break;
455 case DMAE_CMD_DST_GRC:
456 if (src_type == DMAE_CMD_SRC_PCI)
457 DP(msglvl, "DMAE: opcode 0x%08x\n"
458 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
459 "comp_addr [%x:%08x], comp_val 0x%08x\n",
460 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
461 dmae->len, dmae->dst_addr_lo >> 2,
462 dmae->comp_addr_hi, dmae->comp_addr_lo,
463 dmae->comp_val);
464 else
465 DP(msglvl, "DMAE: opcode 0x%08x\n"
466 "src [%08x], len [%d*4], dst [%08x]\n"
467 "comp_addr [%x:%08x], comp_val 0x%08x\n",
468 dmae->opcode, dmae->src_addr_lo >> 2,
469 dmae->len, dmae->dst_addr_lo >> 2,
470 dmae->comp_addr_hi, dmae->comp_addr_lo,
471 dmae->comp_val);
472 break;
473 default:
474 if (src_type == DMAE_CMD_SRC_PCI)
475 DP(msglvl, "DMAE: opcode 0x%08x\n"
476 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
477 "dst_addr [none]\n"
478 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
479 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
480 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
481 dmae->comp_val);
482 else
483 DP(msglvl, "DMAE: opcode 0x%08x\n"
484 DP_LEVEL "src_addr [%08x] len [%d * 4] "
485 "dst_addr [none]\n"
486 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
487 dmae->opcode, dmae->src_addr_lo >> 2,
488 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
489 dmae->comp_val);
490 break;
491 }
492
493}
494
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000495const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200496 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
497 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
498 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
499 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
500};
501
502/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000503void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200504{
505 u32 cmd_offset;
506 int i;
507
508 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
509 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
510 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
511
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700512 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
513 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200514 }
515 REG_WR(bp, dmae_reg_go_c[idx], 1);
516}
517
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000518u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
519{
520 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
521 DMAE_CMD_C_ENABLE);
522}
523
524u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
525{
526 return opcode & ~DMAE_CMD_SRC_RESET;
527}
528
529u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
530 bool with_comp, u8 comp_type)
531{
532 u32 opcode = 0;
533
534 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
535 (dst_type << DMAE_COMMAND_DST_SHIFT));
536
537 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
538
539 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
540 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
541 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
542 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
543
544#ifdef __BIG_ENDIAN
545 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
546#else
547 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
548#endif
549 if (with_comp)
550 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
551 return opcode;
552}
553
stephen hemminger8d962862010-10-21 07:50:56 +0000554static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
555 struct dmae_command *dmae,
556 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000557{
558 memset(dmae, 0, sizeof(struct dmae_command));
559
560 /* set the opcode */
561 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
562 true, DMAE_COMP_PCI);
563
564 /* fill in the completion parameters */
565 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
566 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
567 dmae->comp_val = DMAE_COMP_VAL;
568}
569
570/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000571static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
572 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000573{
574 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000575 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000576 int rc = 0;
577
578 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
579 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
580 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
581
582 /* lock the dmae channel */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800583 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000584
585 /* reset completion */
586 *wb_comp = 0;
587
588 /* post the command on the channel used for initializations */
589 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
590
591 /* wait for completion */
592 udelay(5);
593 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
594 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
595
596 if (!cnt) {
597 BNX2X_ERR("DMAE timeout!\n");
598 rc = DMAE_TIMEOUT;
599 goto unlock;
600 }
601 cnt--;
602 udelay(50);
603 }
604 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
605 BNX2X_ERR("DMAE PCI error!\n");
606 rc = DMAE_PCI_ERROR;
607 }
608
609 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
610 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
611 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
612
613unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800614 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000615 return rc;
616}
617
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700618void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
619 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200620{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000621 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700622
623 if (!bp->dmae_ready) {
624 u32 *data = bnx2x_sp(bp, wb_data[0]);
625
626 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
627 " using indirect\n", dst_addr, len32);
628 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
629 return;
630 }
631
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000632 /* set opcode and fixed command fields */
633 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200634
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000635 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000636 dmae.src_addr_lo = U64_LO(dma_addr);
637 dmae.src_addr_hi = U64_HI(dma_addr);
638 dmae.dst_addr_lo = dst_addr >> 2;
639 dmae.dst_addr_hi = 0;
640 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200641
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000642 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200643
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000644 /* issue the command and wait for completion */
645 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200646}
647
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700648void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200649{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000650 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700651
652 if (!bp->dmae_ready) {
653 u32 *data = bnx2x_sp(bp, wb_data[0]);
654 int i;
655
656 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
657 " using indirect\n", src_addr, len32);
658 for (i = 0; i < len32; i++)
659 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
660 return;
661 }
662
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000663 /* set opcode and fixed command fields */
664 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200665
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000666 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000667 dmae.src_addr_lo = src_addr >> 2;
668 dmae.src_addr_hi = 0;
669 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
670 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
671 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200672
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000673 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200674
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000675 /* issue the command and wait for completion */
676 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200678
stephen hemminger8d962862010-10-21 07:50:56 +0000679static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
680 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000681{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000682 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000683 int offset = 0;
684
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000685 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000686 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000687 addr + offset, dmae_wr_max);
688 offset += dmae_wr_max * 4;
689 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000690 }
691
692 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
693}
694
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700695/* used only for slowpath so not inlined */
696static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
697{
698 u32 wb_write[2];
699
700 wb_write[0] = val_hi;
701 wb_write[1] = val_lo;
702 REG_WR_DMAE(bp, reg, wb_write, 2);
703}
704
705#ifdef USE_WB_RD
706static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
707{
708 u32 wb_data[2];
709
710 REG_RD_DMAE(bp, reg, wb_data, 2);
711
712 return HILO_U64(wb_data[0], wb_data[1]);
713}
714#endif
715
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200716static int bnx2x_mc_assert(struct bnx2x *bp)
717{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200718 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700719 int i, rc = 0;
720 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200721
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700722 /* XSTORM */
723 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
724 XSTORM_ASSERT_LIST_INDEX_OFFSET);
725 if (last_idx)
726 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200727
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700728 /* print the asserts */
729 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200730
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700731 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
732 XSTORM_ASSERT_LIST_OFFSET(i));
733 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
734 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
735 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
736 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
737 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
738 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200739
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700740 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
741 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
742 " 0x%08x 0x%08x 0x%08x\n",
743 i, row3, row2, row1, row0);
744 rc++;
745 } else {
746 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200747 }
748 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700749
750 /* TSTORM */
751 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
752 TSTORM_ASSERT_LIST_INDEX_OFFSET);
753 if (last_idx)
754 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
755
756 /* print the asserts */
757 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
758
759 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
760 TSTORM_ASSERT_LIST_OFFSET(i));
761 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
762 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
763 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
764 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
765 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
766 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
767
768 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
769 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
770 " 0x%08x 0x%08x 0x%08x\n",
771 i, row3, row2, row1, row0);
772 rc++;
773 } else {
774 break;
775 }
776 }
777
778 /* CSTORM */
779 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
780 CSTORM_ASSERT_LIST_INDEX_OFFSET);
781 if (last_idx)
782 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
783
784 /* print the asserts */
785 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
786
787 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
788 CSTORM_ASSERT_LIST_OFFSET(i));
789 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
790 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
791 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
792 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
793 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
794 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
795
796 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
797 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
798 " 0x%08x 0x%08x 0x%08x\n",
799 i, row3, row2, row1, row0);
800 rc++;
801 } else {
802 break;
803 }
804 }
805
806 /* USTORM */
807 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
808 USTORM_ASSERT_LIST_INDEX_OFFSET);
809 if (last_idx)
810 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
811
812 /* print the asserts */
813 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
814
815 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
816 USTORM_ASSERT_LIST_OFFSET(i));
817 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
818 USTORM_ASSERT_LIST_OFFSET(i) + 4);
819 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
820 USTORM_ASSERT_LIST_OFFSET(i) + 8);
821 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
822 USTORM_ASSERT_LIST_OFFSET(i) + 12);
823
824 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
825 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
826 " 0x%08x 0x%08x 0x%08x\n",
827 i, row3, row2, row1, row0);
828 rc++;
829 } else {
830 break;
831 }
832 }
833
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200834 return rc;
835}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800836
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200837static void bnx2x_fw_dump(struct bnx2x *bp)
838{
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000839 u32 addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200840 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000841 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200842 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000843 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000844 if (BP_NOMCP(bp)) {
845 BNX2X_ERR("NO MCP - can not dump\n");
846 return;
847 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000848
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000849 if (BP_PATH(bp) == 0)
850 trace_shmem_base = bp->common.shmem_base;
851 else
852 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
853 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000854 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000855 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
856 + ((mark + 0x3) & ~0x3) - 0x08000000;
Joe Perches7995c642010-02-17 15:01:52 +0000857 pr_err("begin fw dump (mark 0x%x)\n", mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200858
Joe Perches7995c642010-02-17 15:01:52 +0000859 pr_err("");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000860 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200861 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000862 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200863 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000864 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200865 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000866 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200867 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000868 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200869 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000870 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200871 }
Joe Perches7995c642010-02-17 15:01:52 +0000872 pr_err("end of fw dump\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200873}
874
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000875void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200876{
877 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000878 u16 j;
879 struct hc_sp_status_block_data sp_sb_data;
880 int func = BP_FUNC(bp);
881#ifdef BNX2X_STOP_ON_ERROR
882 u16 start = 0, end = 0;
883#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200884
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700885 bp->stats_state = STATS_STATE_DISABLED;
886 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
887
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200888 BNX2X_ERR("begin crash dump -----------------\n");
889
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000890 /* Indices */
891 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000892 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000893 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000894 bp->def_idx, bp->def_att_idx,
895 bp->attn_state, bp->spq_prod_idx);
896 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
897 bp->def_status_blk->atten_status_block.attn_bits,
898 bp->def_status_blk->atten_status_block.attn_bits_ack,
899 bp->def_status_blk->atten_status_block.status_block_id,
900 bp->def_status_blk->atten_status_block.attn_bits_index);
901 BNX2X_ERR(" def (");
902 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
903 pr_cont("0x%x%s",
904 bp->def_status_blk->sp_sb.index_values[i],
905 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000906
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000907 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
908 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
909 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
910 i*sizeof(u32));
911
912 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
913 "pf_id(0x%x) vnic_id(0x%x) "
914 "vf_id(0x%x) vf_valid (0x%x)\n",
915 sp_sb_data.igu_sb_id,
916 sp_sb_data.igu_seg_id,
917 sp_sb_data.p_func.pf_id,
918 sp_sb_data.p_func.vnic_id,
919 sp_sb_data.p_func.vf_id,
920 sp_sb_data.p_func.vf_valid);
921
922
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000923 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000924 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000925 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000926 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000927 struct hc_status_block_data_e1x sb_data_e1x;
928 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000929 CHIP_IS_E2(bp) ?
930 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000931 sb_data_e1x.common.state_machine;
932 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000933 CHIP_IS_E2(bp) ?
934 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000935 sb_data_e1x.index_data;
936 int data_size;
937 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000938
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000939 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000940 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000941 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000942 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000943 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000944 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000945 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000946 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000947 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000948 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000949 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000950
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000951 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000952 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
953 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
954 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200955 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700956 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000957
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000958 loop = CHIP_IS_E2(bp) ?
959 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000960
961 /* host sb data */
962
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000963#ifdef BCM_CNIC
964 if (IS_FCOE_FP(fp))
965 continue;
966#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000967 BNX2X_ERR(" run indexes (");
968 for (j = 0; j < HC_SB_MAX_SM; j++)
969 pr_cont("0x%x%s",
970 fp->sb_running_index[j],
971 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
972
973 BNX2X_ERR(" indexes (");
974 for (j = 0; j < loop; j++)
975 pr_cont("0x%x%s",
976 fp->sb_index_values[j],
977 (j == loop - 1) ? ")" : " ");
978 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000979 data_size = CHIP_IS_E2(bp) ?
980 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000981 sizeof(struct hc_status_block_data_e1x);
982 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000983 sb_data_p = CHIP_IS_E2(bp) ?
984 (u32 *)&sb_data_e2 :
985 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000986 /* copy sb data in here */
987 for (j = 0; j < data_size; j++)
988 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
989 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
990 j * sizeof(u32));
991
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000992 if (CHIP_IS_E2(bp)) {
993 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
994 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
995 sb_data_e2.common.p_func.pf_id,
996 sb_data_e2.common.p_func.vf_id,
997 sb_data_e2.common.p_func.vf_valid,
998 sb_data_e2.common.p_func.vnic_id,
999 sb_data_e2.common.same_igu_sb_1b);
1000 } else {
1001 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1002 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1003 sb_data_e1x.common.p_func.pf_id,
1004 sb_data_e1x.common.p_func.vf_id,
1005 sb_data_e1x.common.p_func.vf_valid,
1006 sb_data_e1x.common.p_func.vnic_id,
1007 sb_data_e1x.common.same_igu_sb_1b);
1008 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001009
1010 /* SB_SMs data */
1011 for (j = 0; j < HC_SB_MAX_SM; j++) {
1012 pr_cont("SM[%d] __flags (0x%x) "
1013 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1014 "time_to_expire (0x%x) "
1015 "timer_value(0x%x)\n", j,
1016 hc_sm_p[j].__flags,
1017 hc_sm_p[j].igu_sb_id,
1018 hc_sm_p[j].igu_seg_id,
1019 hc_sm_p[j].time_to_expire,
1020 hc_sm_p[j].timer_value);
1021 }
1022
1023 /* Indecies data */
1024 for (j = 0; j < loop; j++) {
1025 pr_cont("INDEX[%d] flags (0x%x) "
1026 "timeout (0x%x)\n", j,
1027 hc_index_p[j].flags,
1028 hc_index_p[j].timeout);
1029 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001030 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001031
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001032#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001033 /* Rings */
1034 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001035 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001036 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001037
1038 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1039 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001040 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001041 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1042 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1043
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001044 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1045 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001046 }
1047
Eilon Greenstein3196a882008-08-13 15:58:49 -07001048 start = RX_SGE(fp->rx_sge_prod);
1049 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001050 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001051 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1052 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1053
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001054 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1055 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001056 }
1057
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001058 start = RCQ_BD(fp->rx_comp_cons - 10);
1059 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001060 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001061 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1062
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001063 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1064 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001065 }
1066 }
1067
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001068 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001069 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001070 struct bnx2x_fastpath *fp = &bp->fp[i];
1071
1072 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1073 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1074 for (j = start; j != end; j = TX_BD(j + 1)) {
1075 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1076
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001077 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1078 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001079 }
1080
1081 start = TX_BD(fp->tx_bd_cons - 10);
1082 end = TX_BD(fp->tx_bd_cons + 254);
1083 for (j = start; j != end; j = TX_BD(j + 1)) {
1084 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1085
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001086 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1087 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001088 }
1089 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001090#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001091 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001092 bnx2x_mc_assert(bp);
1093 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001094}
1095
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001096static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001097{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001098 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001099 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1100 u32 val = REG_RD(bp, addr);
1101 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001102 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001103
1104 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001105 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1106 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001107 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1108 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001109 } else if (msi) {
1110 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1111 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1112 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1113 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001114 } else {
1115 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001116 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001117 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1118 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001119
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001120 if (!CHIP_IS_E1(bp)) {
1121 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1122 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001123
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001124 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001125
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001126 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1127 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001128 }
1129
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001130 if (CHIP_IS_E1(bp))
1131 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1132
Eilon Greenstein8badd272009-02-12 08:36:15 +00001133 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1134 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001135
1136 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001137 /*
1138 * Ensure that HC_CONFIG is written before leading/trailing edge config
1139 */
1140 mmiowb();
1141 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001142
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001143 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001144 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001145 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001146 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001147 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001148 /* enable nig and gpio3 attention */
1149 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001150 } else
1151 val = 0xffff;
1152
1153 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1154 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1155 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001156
1157 /* Make sure that interrupts are indeed enabled from here on */
1158 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001159}
1160
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001161static void bnx2x_igu_int_enable(struct bnx2x *bp)
1162{
1163 u32 val;
1164 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1165 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1166
1167 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1168
1169 if (msix) {
1170 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1171 IGU_PF_CONF_SINGLE_ISR_EN);
1172 val |= (IGU_PF_CONF_FUNC_EN |
1173 IGU_PF_CONF_MSI_MSIX_EN |
1174 IGU_PF_CONF_ATTN_BIT_EN);
1175 } else if (msi) {
1176 val &= ~IGU_PF_CONF_INT_LINE_EN;
1177 val |= (IGU_PF_CONF_FUNC_EN |
1178 IGU_PF_CONF_MSI_MSIX_EN |
1179 IGU_PF_CONF_ATTN_BIT_EN |
1180 IGU_PF_CONF_SINGLE_ISR_EN);
1181 } else {
1182 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1183 val |= (IGU_PF_CONF_FUNC_EN |
1184 IGU_PF_CONF_INT_LINE_EN |
1185 IGU_PF_CONF_ATTN_BIT_EN |
1186 IGU_PF_CONF_SINGLE_ISR_EN);
1187 }
1188
1189 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1190 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1191
1192 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1193
1194 barrier();
1195
1196 /* init leading/trailing edge */
1197 if (IS_MF(bp)) {
1198 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1199 if (bp->port.pmf)
1200 /* enable nig and gpio3 attention */
1201 val |= 0x1100;
1202 } else
1203 val = 0xffff;
1204
1205 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1206 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1207
1208 /* Make sure that interrupts are indeed enabled from here on */
1209 mmiowb();
1210}
1211
1212void bnx2x_int_enable(struct bnx2x *bp)
1213{
1214 if (bp->common.int_block == INT_BLOCK_HC)
1215 bnx2x_hc_int_enable(bp);
1216 else
1217 bnx2x_igu_int_enable(bp);
1218}
1219
1220static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001221{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001222 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001223 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1224 u32 val = REG_RD(bp, addr);
1225
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001226 /*
1227 * in E1 we must use only PCI configuration space to disable
1228 * MSI/MSIX capablility
1229 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1230 */
1231 if (CHIP_IS_E1(bp)) {
1232 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1233 * Use mask register to prevent from HC sending interrupts
1234 * after we exit the function
1235 */
1236 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1237
1238 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1239 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1240 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1241 } else
1242 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1243 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1244 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1245 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001246
1247 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1248 val, port, addr);
1249
Eilon Greenstein8badd272009-02-12 08:36:15 +00001250 /* flush all outstanding writes */
1251 mmiowb();
1252
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001253 REG_WR(bp, addr, val);
1254 if (REG_RD(bp, addr) != val)
1255 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1256}
1257
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001258static void bnx2x_igu_int_disable(struct bnx2x *bp)
1259{
1260 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1261
1262 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1263 IGU_PF_CONF_INT_LINE_EN |
1264 IGU_PF_CONF_ATTN_BIT_EN);
1265
1266 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1267
1268 /* flush all outstanding writes */
1269 mmiowb();
1270
1271 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1272 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1273 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1274}
1275
stephen hemminger8d962862010-10-21 07:50:56 +00001276static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001277{
1278 if (bp->common.int_block == INT_BLOCK_HC)
1279 bnx2x_hc_int_disable(bp);
1280 else
1281 bnx2x_igu_int_disable(bp);
1282}
1283
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001284void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001285{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001286 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001287 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001288
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001289 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001290 atomic_inc(&bp->intr_sem);
Eilon Greensteine1510702009-07-21 05:47:41 +00001291 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1292
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001293 if (disable_hw)
1294 /* prevent the HW from sending interrupts */
1295 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001296
1297 /* make sure all ISRs are done */
1298 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001299 synchronize_irq(bp->msix_table[0].vector);
1300 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001301#ifdef BCM_CNIC
1302 offset++;
1303#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001304 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001305 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001306 } else
1307 synchronize_irq(bp->pdev->irq);
1308
1309 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001310 cancel_delayed_work(&bp->sp_task);
1311 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001312}
1313
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001314/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001315
1316/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001317 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001318 */
1319
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001320/* Return true if succeeded to acquire the lock */
1321static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1322{
1323 u32 lock_status;
1324 u32 resource_bit = (1 << resource);
1325 int func = BP_FUNC(bp);
1326 u32 hw_lock_control_reg;
1327
1328 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1329
1330 /* Validating that the resource is within range */
1331 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1332 DP(NETIF_MSG_HW,
1333 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1334 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001335 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001336 }
1337
1338 if (func <= 5)
1339 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1340 else
1341 hw_lock_control_reg =
1342 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1343
1344 /* Try to acquire the lock */
1345 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1346 lock_status = REG_RD(bp, hw_lock_control_reg);
1347 if (lock_status & resource_bit)
1348 return true;
1349
1350 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1351 return false;
1352}
1353
Michael Chan993ac7b2009-10-10 13:46:56 +00001354#ifdef BCM_CNIC
1355static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1356#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001357
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001358void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001359 union eth_rx_cqe *rr_cqe)
1360{
1361 struct bnx2x *bp = fp->bp;
1362 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1363 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1364
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001365 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001366 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001367 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001368 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001369
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001370 switch (command | fp->state) {
1371 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1372 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1373 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001374 break;
1375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001376 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1377 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001378 fp->state = BNX2X_FP_STATE_HALTED;
1379 break;
1380
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001381 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1382 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1383 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001384 break;
1385
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001386 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001387 BNX2X_ERR("unexpected MC reply (%d) "
1388 "fp[%d] state is %x\n",
1389 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001390 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001391 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001392
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001393 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001394 atomic_inc(&bp->cq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001395 /* push the change in fp->state and towards the memory */
1396 smp_wmb();
1397
1398 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001399}
1400
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001401irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001402{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001403 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001404 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001405 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001406 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001407
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001408 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001409 if (unlikely(status == 0)) {
1410 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1411 return IRQ_NONE;
1412 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001413 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001414
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001415 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001416 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1417 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1418 return IRQ_HANDLED;
1419 }
1420
Eilon Greenstein3196a882008-08-13 15:58:49 -07001421#ifdef BNX2X_STOP_ON_ERROR
1422 if (unlikely(bp->panic))
1423 return IRQ_HANDLED;
1424#endif
1425
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001426 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001427 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001428
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001429 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001430 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001431 /* Handle Rx and Tx according to SB id */
1432 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001433 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001434 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001435 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001436 status &= ~mask;
1437 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001438 }
1439
Michael Chan993ac7b2009-10-10 13:46:56 +00001440#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001441 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001442 if (status & (mask | 0x1)) {
1443 struct cnic_ops *c_ops = NULL;
1444
1445 rcu_read_lock();
1446 c_ops = rcu_dereference(bp->cnic_ops);
1447 if (c_ops)
1448 c_ops->cnic_handler(bp->cnic_data, NULL);
1449 rcu_read_unlock();
1450
1451 status &= ~mask;
1452 }
1453#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001454
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001455 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001456 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001457
1458 status &= ~0x1;
1459 if (!status)
1460 return IRQ_HANDLED;
1461 }
1462
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001463 if (unlikely(status))
1464 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001465 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001466
1467 return IRQ_HANDLED;
1468}
1469
1470/* end of fast path */
1471
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001472
1473/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001474
1475/*
1476 * General service functions
1477 */
1478
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001479int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001480{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001481 u32 lock_status;
1482 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001483 int func = BP_FUNC(bp);
1484 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001485 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001486
1487 /* Validating that the resource is within range */
1488 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1489 DP(NETIF_MSG_HW,
1490 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1491 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1492 return -EINVAL;
1493 }
1494
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001495 if (func <= 5) {
1496 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1497 } else {
1498 hw_lock_control_reg =
1499 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1500 }
1501
Eliezer Tamirf1410642008-02-28 11:51:50 -08001502 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001503 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001504 if (lock_status & resource_bit) {
1505 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1506 lock_status, resource_bit);
1507 return -EEXIST;
1508 }
1509
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001510 /* Try for 5 second every 5ms */
1511 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001512 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001513 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1514 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001515 if (lock_status & resource_bit)
1516 return 0;
1517
1518 msleep(5);
1519 }
1520 DP(NETIF_MSG_HW, "Timeout\n");
1521 return -EAGAIN;
1522}
1523
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001524int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001525{
1526 u32 lock_status;
1527 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001528 int func = BP_FUNC(bp);
1529 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001530
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001531 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1532
Eliezer Tamirf1410642008-02-28 11:51:50 -08001533 /* Validating that the resource is within range */
1534 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1535 DP(NETIF_MSG_HW,
1536 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1537 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1538 return -EINVAL;
1539 }
1540
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001541 if (func <= 5) {
1542 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1543 } else {
1544 hw_lock_control_reg =
1545 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1546 }
1547
Eliezer Tamirf1410642008-02-28 11:51:50 -08001548 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001549 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001550 if (!(lock_status & resource_bit)) {
1551 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1552 lock_status, resource_bit);
1553 return -EFAULT;
1554 }
1555
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001556 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001557 return 0;
1558}
1559
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001560
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001561int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1562{
1563 /* The GPIO should be swapped if swap register is set and active */
1564 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1565 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1566 int gpio_shift = gpio_num +
1567 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1568 u32 gpio_mask = (1 << gpio_shift);
1569 u32 gpio_reg;
1570 int value;
1571
1572 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1573 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1574 return -EINVAL;
1575 }
1576
1577 /* read GPIO value */
1578 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1579
1580 /* get the requested pin value */
1581 if ((gpio_reg & gpio_mask) == gpio_mask)
1582 value = 1;
1583 else
1584 value = 0;
1585
1586 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1587
1588 return value;
1589}
1590
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001591int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001592{
1593 /* The GPIO should be swapped if swap register is set and active */
1594 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001595 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001596 int gpio_shift = gpio_num +
1597 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1598 u32 gpio_mask = (1 << gpio_shift);
1599 u32 gpio_reg;
1600
1601 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1602 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1603 return -EINVAL;
1604 }
1605
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001606 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001607 /* read GPIO and mask except the float bits */
1608 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1609
1610 switch (mode) {
1611 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1612 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1613 gpio_num, gpio_shift);
1614 /* clear FLOAT and set CLR */
1615 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1616 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1617 break;
1618
1619 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1620 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1621 gpio_num, gpio_shift);
1622 /* clear FLOAT and set SET */
1623 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1624 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1625 break;
1626
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001627 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001628 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1629 gpio_num, gpio_shift);
1630 /* set FLOAT */
1631 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1632 break;
1633
1634 default:
1635 break;
1636 }
1637
1638 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001639 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001640
1641 return 0;
1642}
1643
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001644int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1645{
1646 /* The GPIO should be swapped if swap register is set and active */
1647 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1648 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1649 int gpio_shift = gpio_num +
1650 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1651 u32 gpio_mask = (1 << gpio_shift);
1652 u32 gpio_reg;
1653
1654 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1655 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1656 return -EINVAL;
1657 }
1658
1659 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1660 /* read GPIO int */
1661 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1662
1663 switch (mode) {
1664 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1665 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1666 "output low\n", gpio_num, gpio_shift);
1667 /* clear SET and set CLR */
1668 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1669 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1670 break;
1671
1672 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1673 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1674 "output high\n", gpio_num, gpio_shift);
1675 /* clear CLR and set SET */
1676 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1677 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1678 break;
1679
1680 default:
1681 break;
1682 }
1683
1684 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1685 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1686
1687 return 0;
1688}
1689
Eliezer Tamirf1410642008-02-28 11:51:50 -08001690static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1691{
1692 u32 spio_mask = (1 << spio_num);
1693 u32 spio_reg;
1694
1695 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1696 (spio_num > MISC_REGISTERS_SPIO_7)) {
1697 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1698 return -EINVAL;
1699 }
1700
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001701 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001702 /* read SPIO and mask except the float bits */
1703 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1704
1705 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001706 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001707 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1708 /* clear FLOAT and set CLR */
1709 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1710 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1711 break;
1712
Eilon Greenstein6378c022008-08-13 15:59:25 -07001713 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001714 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1715 /* clear FLOAT and set SET */
1716 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1717 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1718 break;
1719
1720 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1721 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1722 /* set FLOAT */
1723 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1724 break;
1725
1726 default:
1727 break;
1728 }
1729
1730 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001731 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001732
1733 return 0;
1734}
1735
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001736int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
1737{
1738 u32 sel_phy_idx = 0;
1739 if (bp->link_vars.link_up) {
1740 sel_phy_idx = EXT_PHY1;
1741 /* In case link is SERDES, check if the EXT_PHY2 is the one */
1742 if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
1743 (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
1744 sel_phy_idx = EXT_PHY2;
1745 } else {
1746
1747 switch (bnx2x_phy_selection(&bp->link_params)) {
1748 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
1749 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
1750 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
1751 sel_phy_idx = EXT_PHY1;
1752 break;
1753 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
1754 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
1755 sel_phy_idx = EXT_PHY2;
1756 break;
1757 }
1758 }
1759 /*
1760 * The selected actived PHY is always after swapping (in case PHY
1761 * swapping is enabled). So when swapping is enabled, we need to reverse
1762 * the configuration
1763 */
1764
1765 if (bp->link_params.multi_phy_config &
1766 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
1767 if (sel_phy_idx == EXT_PHY1)
1768 sel_phy_idx = EXT_PHY2;
1769 else if (sel_phy_idx == EXT_PHY2)
1770 sel_phy_idx = EXT_PHY1;
1771 }
1772 return LINK_CONFIG_IDX(sel_phy_idx);
1773}
1774
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001775void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001776{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001777 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001778 switch (bp->link_vars.ieee_fc &
1779 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001780 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001781 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001782 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001783 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001784
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001785 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001786 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001787 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001788 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001789
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001790 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001791 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001792 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001793
Eliezer Tamirf1410642008-02-28 11:51:50 -08001794 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001795 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001796 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001797 break;
1798 }
1799}
1800
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001801u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001802{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001803 if (!BP_NOMCP(bp)) {
1804 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001805 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1806 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001807 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001808 /* It is recommended to turn off RX FC for jumbo frames
1809 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001810 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001811 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001812 else
David S. Millerc0700f92008-12-16 23:53:20 -08001813 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001814
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001815 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001816
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001817 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001818 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001819 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1820 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001821
Eilon Greenstein19680c42008-08-13 15:47:33 -07001822 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001823
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001824 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001825
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001826 bnx2x_calc_fc_adv(bp);
1827
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001828 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1829 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001830 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001831 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001832 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001833 return rc;
1834 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001835 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001836 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001837}
1838
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001839void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001840{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001841 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001842 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001843 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001844 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001845 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001846
Eilon Greenstein19680c42008-08-13 15:47:33 -07001847 bnx2x_calc_fc_adv(bp);
1848 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001849 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001850}
1851
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001852static void bnx2x__link_reset(struct bnx2x *bp)
1853{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001854 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001855 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001856 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001857 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001858 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001859 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001860}
1861
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001862u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001863{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001864 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001865
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001866 if (!BP_NOMCP(bp)) {
1867 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001868 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1869 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001870 bnx2x_release_phy_lock(bp);
1871 } else
1872 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001873
1874 return rc;
1875}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001876
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001877static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001878{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001879 u32 r_param = bp->link_vars.line_speed / 8;
1880 u32 fair_periodic_timeout_usec;
1881 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001882
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001883 memset(&(bp->cmng.rs_vars), 0,
1884 sizeof(struct rate_shaping_vars_per_port));
1885 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001886
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001887 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1888 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001889
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001890 /* this is the threshold below which no timer arming will occur
1891 1.25 coefficient is for the threshold to be a little bigger
1892 than the real time, to compensate for timer in-accuracy */
1893 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001894 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1895
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001896 /* resolution of fairness timer */
1897 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1898 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1899 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001900
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001901 /* this is the threshold below which we won't arm the timer anymore */
1902 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001903
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001904 /* we multiply by 1e3/8 to get bytes/msec.
1905 We don't want the credits to pass a credit
1906 of the t_fair*FAIR_MEM (algorithm resolution) */
1907 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1908 /* since each tick is 4 usec */
1909 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001910}
1911
Eilon Greenstein2691d512009-08-12 08:22:08 +00001912/* Calculates the sum of vn_min_rates.
1913 It's needed for further normalizing of the min_rates.
1914 Returns:
1915 sum of vn_min_rates.
1916 or
1917 0 - if all the min_rates are 0.
1918 In the later case fainess algorithm should be deactivated.
1919 If not all min_rates are zero then those that are zeroes will be set to 1.
1920 */
1921static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1922{
1923 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001924 int vn;
1925
1926 bp->vn_weight_sum = 0;
1927 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001928 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001929 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1930 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1931
1932 /* Skip hidden vns */
1933 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1934 continue;
1935
1936 /* If min rate is zero - set it to 1 */
1937 if (!vn_min_rate)
1938 vn_min_rate = DEF_MIN_RATE;
1939 else
1940 all_zero = 0;
1941
1942 bp->vn_weight_sum += vn_min_rate;
1943 }
1944
1945 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001946 if (all_zero) {
1947 bp->cmng.flags.cmng_enables &=
1948 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1949 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1950 " fairness will be disabled\n");
1951 } else
1952 bp->cmng.flags.cmng_enables |=
1953 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001954}
1955
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001956static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001957{
1958 struct rate_shaping_vars_per_vn m_rs_vn;
1959 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001960 u32 vn_cfg = bp->mf_config[vn];
1961 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001962 u16 vn_min_rate, vn_max_rate;
1963 int i;
1964
1965 /* If function is hidden - set min and max to zeroes */
1966 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1967 vn_min_rate = 0;
1968 vn_max_rate = 0;
1969
1970 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001971 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
1972
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001973 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1974 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001975 /* If fairness is enabled (not all min rates are zeroes) and
1976 if current min rate is zero - set it to 1.
1977 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001978 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001979 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001980
1981 if (IS_MF_SI(bp))
1982 /* maxCfg in percents of linkspeed */
1983 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
1984 else
1985 /* maxCfg is absolute in 100Mb units */
1986 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001987 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001988
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001989 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001990 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001991 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001992
1993 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1994 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1995
1996 /* global vn counter - maximal Mbps for this vn */
1997 m_rs_vn.vn_counter.rate = vn_max_rate;
1998
1999 /* quota - number of bytes transmitted in this period */
2000 m_rs_vn.vn_counter.quota =
2001 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2002
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002003 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002004 /* credit for each period of the fairness algorithm:
2005 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002006 vn_weight_sum should not be larger than 10000, thus
2007 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2008 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002009 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002010 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2011 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00002012 (bp->cmng.fair_vars.fair_threshold +
2013 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002014 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002015 m_fair_vn.vn_credit_delta);
2016 }
2017
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002018 /* Store it to internal memory */
2019 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2020 REG_WR(bp, BAR_XSTRORM_INTMEM +
2021 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2022 ((u32 *)(&m_rs_vn))[i]);
2023
2024 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2025 REG_WR(bp, BAR_XSTRORM_INTMEM +
2026 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2027 ((u32 *)(&m_fair_vn))[i]);
2028}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002029
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002030static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2031{
2032 if (CHIP_REV_IS_SLOW(bp))
2033 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002034 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002035 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002036
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002037 return CMNG_FNS_NONE;
2038}
2039
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002040void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002041{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002042 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002043
2044 if (BP_NOMCP(bp))
2045 return; /* what should be the default bvalue in this case */
2046
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002047 /* For 2 port configuration the absolute function number formula
2048 * is:
2049 * abs_func = 2 * vn + BP_PORT + BP_PATH
2050 *
2051 * and there are 4 functions per port
2052 *
2053 * For 4 port configuration it is
2054 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2055 *
2056 * and there are 2 functions per port
2057 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002058 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002059 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2060
2061 if (func >= E1H_FUNC_MAX)
2062 break;
2063
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002064 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002065 MF_CFG_RD(bp, func_mf_config[func].config);
2066 }
2067}
2068
2069static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2070{
2071
2072 if (cmng_type == CMNG_FNS_MINMAX) {
2073 int vn;
2074
2075 /* clear cmng_enables */
2076 bp->cmng.flags.cmng_enables = 0;
2077
2078 /* read mf conf from shmem */
2079 if (read_cfg)
2080 bnx2x_read_mf_cfg(bp);
2081
2082 /* Init rate shaping and fairness contexts */
2083 bnx2x_init_port_minmax(bp);
2084
2085 /* vn_weight_sum and enable fairness if not 0 */
2086 bnx2x_calc_vn_weight_sum(bp);
2087
2088 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002089 if (bp->port.pmf)
2090 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2091 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002092
2093 /* always enable rate shaping and fairness */
2094 bp->cmng.flags.cmng_enables |=
2095 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2096 if (!bp->vn_weight_sum)
2097 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2098 " fairness will be disabled\n");
2099 return;
2100 }
2101
2102 /* rate shaping and fairness are disabled */
2103 DP(NETIF_MSG_IFUP,
2104 "rate shaping and fairness are disabled\n");
2105}
2106
2107static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2108{
2109 int port = BP_PORT(bp);
2110 int func;
2111 int vn;
2112
2113 /* Set the attention towards other drivers on the same port */
2114 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2115 if (vn == BP_E1HVN(bp))
2116 continue;
2117
2118 func = ((vn << 1) | port);
2119 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2120 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2121 }
2122}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002123
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002124/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002125static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002126{
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
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002171 __bnx2x_link_report(bp);
2172
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002173 if (IS_MF(bp))
2174 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002175}
2176
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002177void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002178{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002179 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002180 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002181
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002182 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2183
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002184 if (bp->link_vars.link_up)
2185 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2186 else
2187 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2188
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002189 /* indicate link status */
2190 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002191}
2192
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002193static void bnx2x_pmf_update(struct bnx2x *bp)
2194{
2195 int port = BP_PORT(bp);
2196 u32 val;
2197
2198 bp->port.pmf = 1;
2199 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2200
2201 /* enable nig attention */
2202 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002203 if (bp->common.int_block == INT_BLOCK_HC) {
2204 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2205 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2206 } else if (CHIP_IS_E2(bp)) {
2207 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2208 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2209 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002210
2211 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002212}
2213
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002214/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002215
2216/* slow path */
2217
2218/*
2219 * General service functions
2220 */
2221
Eilon Greenstein2691d512009-08-12 08:22:08 +00002222/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002223u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002224{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002225 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002226 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002227 u32 rc = 0;
2228 u32 cnt = 1;
2229 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2230
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002231 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002232 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002233 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2234 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2235
Eilon Greenstein2691d512009-08-12 08:22:08 +00002236 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2237
2238 do {
2239 /* let the FW do it's magic ... */
2240 msleep(delay);
2241
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002242 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002243
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002244 /* Give the FW up to 5 second (500*10ms) */
2245 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002246
2247 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2248 cnt*delay, rc, seq);
2249
2250 /* is this a reply to our command? */
2251 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2252 rc &= FW_MSG_CODE_MASK;
2253 else {
2254 /* FW BUG! */
2255 BNX2X_ERR("FW failed to respond!\n");
2256 bnx2x_fw_dump(bp);
2257 rc = 0;
2258 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002259 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002260
2261 return rc;
2262}
2263
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002264static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2265{
2266#ifdef BCM_CNIC
2267 if (IS_FCOE_FP(fp) && IS_MF(bp))
2268 return false;
2269#endif
2270 return true;
2271}
2272
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002273/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002274static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002275{
2276 u32 mask = (1 << cl_id);
2277
2278 /* initial seeting is BNX2X_ACCEPT_NONE */
2279 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2280 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2281 u8 unmatched_unicast = 0;
2282
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002283 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2284 unmatched_unicast = 1;
2285
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002286 if (filters & BNX2X_PROMISCUOUS_MODE) {
2287 /* promiscious - accept all, drop none */
2288 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2289 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002290 if (IS_MF_SI(bp)) {
2291 /*
2292 * SI mode defines to accept in promiscuos mode
2293 * only unmatched packets
2294 */
2295 unmatched_unicast = 1;
2296 accp_all_ucast = 0;
2297 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002298 }
2299 if (filters & BNX2X_ACCEPT_UNICAST) {
2300 /* accept matched ucast */
2301 drop_all_ucast = 0;
2302 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002303 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002304 /* accept matched mcast */
2305 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002306
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002307 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2308 /* accept all mcast */
2309 drop_all_ucast = 0;
2310 accp_all_ucast = 1;
2311 }
2312 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2313 /* accept all mcast */
2314 drop_all_mcast = 0;
2315 accp_all_mcast = 1;
2316 }
2317 if (filters & BNX2X_ACCEPT_BROADCAST) {
2318 /* accept (all) bcast */
2319 drop_all_bcast = 0;
2320 accp_all_bcast = 1;
2321 }
2322
2323 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2324 bp->mac_filters.ucast_drop_all | mask :
2325 bp->mac_filters.ucast_drop_all & ~mask;
2326
2327 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2328 bp->mac_filters.mcast_drop_all | mask :
2329 bp->mac_filters.mcast_drop_all & ~mask;
2330
2331 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2332 bp->mac_filters.bcast_drop_all | mask :
2333 bp->mac_filters.bcast_drop_all & ~mask;
2334
2335 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2336 bp->mac_filters.ucast_accept_all | mask :
2337 bp->mac_filters.ucast_accept_all & ~mask;
2338
2339 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2340 bp->mac_filters.mcast_accept_all | mask :
2341 bp->mac_filters.mcast_accept_all & ~mask;
2342
2343 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2344 bp->mac_filters.bcast_accept_all | mask :
2345 bp->mac_filters.bcast_accept_all & ~mask;
2346
2347 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2348 bp->mac_filters.unmatched_unicast | mask :
2349 bp->mac_filters.unmatched_unicast & ~mask;
2350}
2351
stephen hemminger8d962862010-10-21 07:50:56 +00002352static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002353{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002354 struct tstorm_eth_function_common_config tcfg = {0};
2355 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002356
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002357 /* tpa */
2358 if (p->func_flgs & FUNC_FLG_TPA)
2359 tcfg.config_flags |=
2360 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002361
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002362 /* set rss flags */
2363 rss_flgs = (p->rss->mode <<
2364 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002365
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002366 if (p->rss->cap & RSS_IPV4_CAP)
2367 rss_flgs |= RSS_IPV4_CAP_MASK;
2368 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2369 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2370 if (p->rss->cap & RSS_IPV6_CAP)
2371 rss_flgs |= RSS_IPV6_CAP_MASK;
2372 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2373 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002374
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002375 tcfg.config_flags |= rss_flgs;
2376 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002377
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002378 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002379
2380 /* Enable the function in the FW */
2381 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2382 storm_memset_func_en(bp, p->func_id, 1);
2383
2384 /* statistics */
2385 if (p->func_flgs & FUNC_FLG_STATS) {
2386 struct stats_indication_flags stats_flags = {0};
2387 stats_flags.collect_eth = 1;
2388
2389 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2390 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2391
2392 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2393 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2394
2395 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2396 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2397
2398 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2399 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2400 }
2401
2402 /* spq */
2403 if (p->func_flgs & FUNC_FLG_SPQ) {
2404 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2405 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2406 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2407 }
2408}
2409
2410static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2411 struct bnx2x_fastpath *fp)
2412{
2413 u16 flags = 0;
2414
2415 /* calculate queue flags */
2416 flags |= QUEUE_FLG_CACHE_ALIGN;
2417 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002418 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002419
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002420 flags |= QUEUE_FLG_VLAN;
2421 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002422
2423 if (!fp->disable_tpa)
2424 flags |= QUEUE_FLG_TPA;
2425
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002426 flags = stat_counter_valid(bp, fp) ?
2427 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002428
2429 return flags;
2430}
2431
2432static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2433 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2434 struct bnx2x_rxq_init_params *rxq_init)
2435{
2436 u16 max_sge = 0;
2437 u16 sge_sz = 0;
2438 u16 tpa_agg_size = 0;
2439
2440 /* calculate queue flags */
2441 u16 flags = bnx2x_get_cl_flags(bp, fp);
2442
2443 if (!fp->disable_tpa) {
2444 pause->sge_th_hi = 250;
2445 pause->sge_th_lo = 150;
2446 tpa_agg_size = min_t(u32,
2447 (min_t(u32, 8, MAX_SKB_FRAGS) *
2448 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2449 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2450 SGE_PAGE_SHIFT;
2451 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2452 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2453 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2454 0xffff);
2455 }
2456
2457 /* pause - not for e1 */
2458 if (!CHIP_IS_E1(bp)) {
2459 pause->bd_th_hi = 350;
2460 pause->bd_th_lo = 250;
2461 pause->rcq_th_hi = 350;
2462 pause->rcq_th_lo = 250;
2463 pause->sge_th_hi = 0;
2464 pause->sge_th_lo = 0;
2465 pause->pri_map = 1;
2466 }
2467
2468 /* rxq setup */
2469 rxq_init->flags = flags;
2470 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2471 rxq_init->dscr_map = fp->rx_desc_mapping;
2472 rxq_init->sge_map = fp->rx_sge_mapping;
2473 rxq_init->rcq_map = fp->rx_comp_mapping;
2474 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002475
2476 /* Always use mini-jumbo MTU for FCoE L2 ring */
2477 if (IS_FCOE_FP(fp))
2478 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2479 else
2480 rxq_init->mtu = bp->dev->mtu;
2481
2482 rxq_init->buf_sz = fp->rx_buf_size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002483 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2484 rxq_init->cl_id = fp->cl_id;
2485 rxq_init->spcl_id = fp->cl_id;
2486 rxq_init->stat_id = fp->cl_id;
2487 rxq_init->tpa_agg_sz = tpa_agg_size;
2488 rxq_init->sge_buf_sz = sge_sz;
2489 rxq_init->max_sges_pkt = max_sge;
2490 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2491 rxq_init->fw_sb_id = fp->fw_sb_id;
2492
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002493 if (IS_FCOE_FP(fp))
2494 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2495 else
2496 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002497
2498 rxq_init->cid = HW_CID(bp, fp->cid);
2499
2500 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2501}
2502
2503static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2504 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2505{
2506 u16 flags = bnx2x_get_cl_flags(bp, fp);
2507
2508 txq_init->flags = flags;
2509 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2510 txq_init->dscr_map = fp->tx_desc_mapping;
2511 txq_init->stat_id = fp->cl_id;
2512 txq_init->cid = HW_CID(bp, fp->cid);
2513 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2514 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2515 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002516
2517 if (IS_FCOE_FP(fp)) {
2518 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2519 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2520 }
2521
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002522 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2523}
2524
stephen hemminger8d962862010-10-21 07:50:56 +00002525static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002526{
2527 struct bnx2x_func_init_params func_init = {0};
2528 struct bnx2x_rss_params rss = {0};
2529 struct event_ring_data eq_data = { {0} };
2530 u16 flags;
2531
2532 /* pf specific setups */
2533 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002534 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002536 if (CHIP_IS_E2(bp)) {
2537 /* reset IGU PF statistics: MSIX + ATTN */
2538 /* PF */
2539 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2540 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2541 (CHIP_MODE_IS_4_PORT(bp) ?
2542 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2543 /* ATTN */
2544 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2545 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2546 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2547 (CHIP_MODE_IS_4_PORT(bp) ?
2548 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2549 }
2550
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002551 /* function setup flags */
2552 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2553
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002554 if (CHIP_IS_E1x(bp))
2555 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2556 else
2557 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002558
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002559 /* function setup */
2560
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002561 /**
2562 * Although RSS is meaningless when there is a single HW queue we
2563 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002564 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002565 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2566 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2567 rss.mode = bp->multi_mode;
2568 rss.result_mask = MULTI_MASK;
2569 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002570
2571 func_init.func_flgs = flags;
2572 func_init.pf_id = BP_FUNC(bp);
2573 func_init.func_id = BP_FUNC(bp);
2574 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2575 func_init.spq_map = bp->spq_mapping;
2576 func_init.spq_prod = bp->spq_prod_idx;
2577
2578 bnx2x_func_init(bp, &func_init);
2579
2580 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2581
2582 /*
2583 Congestion management values depend on the link rate
2584 There is no active link so initial link rate is set to 10 Gbps.
2585 When the link comes up The congestion management values are
2586 re-calculated according to the actual link rate.
2587 */
2588 bp->link_vars.line_speed = SPEED_10000;
2589 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2590
2591 /* Only the PMF sets the HW */
2592 if (bp->port.pmf)
2593 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2594
2595 /* no rx until link is up */
2596 bp->rx_mode = BNX2X_RX_MODE_NONE;
2597 bnx2x_set_storm_rx_mode(bp);
2598
2599 /* init Event Queue */
2600 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2601 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2602 eq_data.producer = bp->eq_prod;
2603 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2604 eq_data.sb_id = DEF_SB_ID;
2605 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2606}
2607
2608
Eilon Greenstein2691d512009-08-12 08:22:08 +00002609static void bnx2x_e1h_disable(struct bnx2x *bp)
2610{
2611 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002612
2613 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002614
2615 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2616
Eilon Greenstein2691d512009-08-12 08:22:08 +00002617 netif_carrier_off(bp->dev);
2618}
2619
2620static void bnx2x_e1h_enable(struct bnx2x *bp)
2621{
2622 int port = BP_PORT(bp);
2623
2624 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2625
Eilon Greenstein2691d512009-08-12 08:22:08 +00002626 /* Tx queue should be only reenabled */
2627 netif_tx_wake_all_queues(bp->dev);
2628
Eilon Greenstein061bc702009-10-15 00:18:47 -07002629 /*
2630 * Should not call netif_carrier_on since it will be called if the link
2631 * is up when checking for link state
2632 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002633}
2634
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002635/* called due to MCP event (on pmf):
2636 * reread new bandwidth configuration
2637 * configure FW
2638 * notify others function about the change
2639 */
2640static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2641{
2642 if (bp->link_vars.link_up) {
2643 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2644 bnx2x_link_sync_notify(bp);
2645 }
2646 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2647}
2648
2649static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2650{
2651 bnx2x_config_mf_bw(bp);
2652 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2653}
2654
Eilon Greenstein2691d512009-08-12 08:22:08 +00002655static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2656{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002657 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002658
2659 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2660
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002661 /*
2662 * This is the only place besides the function initialization
2663 * where the bp->flags can change so it is done without any
2664 * locks
2665 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002666 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002667 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002668 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002669
2670 bnx2x_e1h_disable(bp);
2671 } else {
2672 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002673 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002674
2675 bnx2x_e1h_enable(bp);
2676 }
2677 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2678 }
2679 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002680 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002681 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2682 }
2683
2684 /* Report results to MCP */
2685 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002686 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002687 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002688 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002689}
2690
Michael Chan28912902009-10-10 13:46:53 +00002691/* must be called under the spq lock */
2692static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2693{
2694 struct eth_spe *next_spe = bp->spq_prod_bd;
2695
2696 if (bp->spq_prod_bd == bp->spq_last_bd) {
2697 bp->spq_prod_bd = bp->spq;
2698 bp->spq_prod_idx = 0;
2699 DP(NETIF_MSG_TIMER, "end of spq\n");
2700 } else {
2701 bp->spq_prod_bd++;
2702 bp->spq_prod_idx++;
2703 }
2704 return next_spe;
2705}
2706
2707/* must be called under the spq lock */
2708static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2709{
2710 int func = BP_FUNC(bp);
2711
2712 /* Make sure that BD data is updated before writing the producer */
2713 wmb();
2714
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002715 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002716 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002717 mmiowb();
2718}
2719
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002720/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002721int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002722 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002723{
Michael Chan28912902009-10-10 13:46:53 +00002724 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002725 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002726
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002727#ifdef BNX2X_STOP_ON_ERROR
2728 if (unlikely(bp->panic))
2729 return -EIO;
2730#endif
2731
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002732 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002733
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002734 if (common) {
2735 if (!atomic_read(&bp->eq_spq_left)) {
2736 BNX2X_ERR("BUG! EQ ring full!\n");
2737 spin_unlock_bh(&bp->spq_lock);
2738 bnx2x_panic();
2739 return -EBUSY;
2740 }
2741 } else if (!atomic_read(&bp->cq_spq_left)) {
2742 BNX2X_ERR("BUG! SPQ ring full!\n");
2743 spin_unlock_bh(&bp->spq_lock);
2744 bnx2x_panic();
2745 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002746 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002747
Michael Chan28912902009-10-10 13:46:53 +00002748 spe = bnx2x_sp_get_next(bp);
2749
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002750 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002751 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002752 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2753 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002754
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002755 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002756 /* Common ramrods:
2757 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2758 * TRAFFIC_STOP, TRAFFIC_START
2759 */
2760 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2761 & SPE_HDR_CONN_TYPE;
2762 else
2763 /* ETH ramrods: SETUP, HALT */
2764 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2765 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002766
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002767 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2768 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002769
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002770 spe->hdr.type = cpu_to_le16(type);
2771
2772 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2773 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2774
2775 /* stats ramrod has it's own slot on the spq */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002776 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002777 /* It's ok if the actual decrement is issued towards the memory
2778 * somewhere between the spin_lock and spin_unlock. Thus no
2779 * more explict memory barrier is needed.
2780 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002781 if (common)
2782 atomic_dec(&bp->eq_spq_left);
2783 else
2784 atomic_dec(&bp->cq_spq_left);
2785 }
2786
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002787
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002788 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002789 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002790 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002791 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2792 (u32)(U64_LO(bp->spq_mapping) +
2793 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002794 HW_CID(bp, cid), data_hi, data_lo, type,
2795 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002796
Michael Chan28912902009-10-10 13:46:53 +00002797 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002798 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002799 return 0;
2800}
2801
2802/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002803static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002804{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002805 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002806 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002807
2808 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002809 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002810 val = (1UL << 31);
2811 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2812 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2813 if (val & (1L << 31))
2814 break;
2815
2816 msleep(5);
2817 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002818 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002819 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002820 rc = -EBUSY;
2821 }
2822
2823 return rc;
2824}
2825
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002826/* release split MCP access lock register */
2827static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002828{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002829 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002830}
2831
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002832#define BNX2X_DEF_SB_ATT_IDX 0x0001
2833#define BNX2X_DEF_SB_IDX 0x0002
2834
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002835static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2836{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002837 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002838 u16 rc = 0;
2839
2840 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002841 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2842 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002843 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002844 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002845
2846 if (bp->def_idx != def_sb->sp_sb.running_index) {
2847 bp->def_idx = def_sb->sp_sb.running_index;
2848 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002849 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002850
2851 /* Do not reorder: indecies reading should complete before handling */
2852 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002853 return rc;
2854}
2855
2856/*
2857 * slow path service functions
2858 */
2859
2860static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2861{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002862 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002863 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2864 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002865 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2866 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002867 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002868 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002869 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002870
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002871 if (bp->attn_state & asserted)
2872 BNX2X_ERR("IGU ERROR\n");
2873
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002874 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2875 aeu_mask = REG_RD(bp, aeu_addr);
2876
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002877 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002878 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002879 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002880 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002881
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002882 REG_WR(bp, aeu_addr, aeu_mask);
2883 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002884
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002885 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002886 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002887 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002888
2889 if (asserted & ATTN_HARD_WIRED_MASK) {
2890 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002891
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002892 bnx2x_acquire_phy_lock(bp);
2893
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002894 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002895 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002896 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002897
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002898 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002899
2900 /* handle unicore attn? */
2901 }
2902 if (asserted & ATTN_SW_TIMER_4_FUNC)
2903 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2904
2905 if (asserted & GPIO_2_FUNC)
2906 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2907
2908 if (asserted & GPIO_3_FUNC)
2909 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2910
2911 if (asserted & GPIO_4_FUNC)
2912 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2913
2914 if (port == 0) {
2915 if (asserted & ATTN_GENERAL_ATTN_1) {
2916 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2917 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2918 }
2919 if (asserted & ATTN_GENERAL_ATTN_2) {
2920 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2921 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2922 }
2923 if (asserted & ATTN_GENERAL_ATTN_3) {
2924 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2925 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2926 }
2927 } else {
2928 if (asserted & ATTN_GENERAL_ATTN_4) {
2929 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2930 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2931 }
2932 if (asserted & ATTN_GENERAL_ATTN_5) {
2933 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2934 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2935 }
2936 if (asserted & ATTN_GENERAL_ATTN_6) {
2937 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2938 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2939 }
2940 }
2941
2942 } /* if hardwired */
2943
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002944 if (bp->common.int_block == INT_BLOCK_HC)
2945 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2946 COMMAND_REG_ATTN_BITS_SET);
2947 else
2948 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2949
2950 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2951 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2952 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002953
2954 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002955 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002956 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002957 bnx2x_release_phy_lock(bp);
2958 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002959}
2960
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002961static inline void bnx2x_fan_failure(struct bnx2x *bp)
2962{
2963 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002964 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002965 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002966 ext_phy_config =
2967 SHMEM_RD(bp,
2968 dev_info.port_hw_config[port].external_phy_config);
2969
2970 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2971 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002972 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002973 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002974
2975 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002976 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2977 " the driver to shutdown the card to prevent permanent"
2978 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002979}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002980
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002981static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2982{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002983 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002984 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002985 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002986
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002987 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2988 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002989
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002990 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002991
2992 val = REG_RD(bp, reg_offset);
2993 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2994 REG_WR(bp, reg_offset, val);
2995
2996 BNX2X_ERR("SPIO5 hw attention\n");
2997
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002998 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002999 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00003000 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003001 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003002
Eilon Greenstein589abe32009-02-12 08:36:55 +00003003 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
3004 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
3005 bnx2x_acquire_phy_lock(bp);
3006 bnx2x_handle_module_detect_int(&bp->link_params);
3007 bnx2x_release_phy_lock(bp);
3008 }
3009
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003010 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3011
3012 val = REG_RD(bp, reg_offset);
3013 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3014 REG_WR(bp, reg_offset, val);
3015
3016 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003017 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003018 bnx2x_panic();
3019 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003020}
3021
3022static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3023{
3024 u32 val;
3025
Eilon Greenstein0626b892009-02-12 08:38:14 +00003026 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003027
3028 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3029 BNX2X_ERR("DB hw attention 0x%x\n", val);
3030 /* DORQ discard attention */
3031 if (val & 0x2)
3032 BNX2X_ERR("FATAL error from DORQ\n");
3033 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003034
3035 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3036
3037 int port = BP_PORT(bp);
3038 int reg_offset;
3039
3040 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3041 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3042
3043 val = REG_RD(bp, reg_offset);
3044 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3045 REG_WR(bp, reg_offset, val);
3046
3047 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003048 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003049 bnx2x_panic();
3050 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003051}
3052
3053static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3054{
3055 u32 val;
3056
3057 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3058
3059 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3060 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3061 /* CFC error attention */
3062 if (val & 0x2)
3063 BNX2X_ERR("FATAL error from CFC\n");
3064 }
3065
3066 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3067
3068 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3069 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3070 /* RQ_USDMDP_FIFO_OVERFLOW */
3071 if (val & 0x18000)
3072 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003073 if (CHIP_IS_E2(bp)) {
3074 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3075 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3076 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003077 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003078
3079 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3080
3081 int port = BP_PORT(bp);
3082 int reg_offset;
3083
3084 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3085 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3086
3087 val = REG_RD(bp, reg_offset);
3088 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3089 REG_WR(bp, reg_offset, val);
3090
3091 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003092 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003093 bnx2x_panic();
3094 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003095}
3096
3097static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3098{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003099 u32 val;
3100
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003101 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3102
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003103 if (attn & BNX2X_PMF_LINK_ASSERT) {
3104 int func = BP_FUNC(bp);
3105
3106 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003107 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3108 func_mf_config[BP_ABS_FUNC(bp)].config);
3109 val = SHMEM_RD(bp,
3110 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003111 if (val & DRV_STATUS_DCC_EVENT_MASK)
3112 bnx2x_dcc_event(bp,
3113 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003114
3115 if (val & DRV_STATUS_SET_MF_BW)
3116 bnx2x_set_mf_bw(bp);
3117
Eilon Greenstein2691d512009-08-12 08:22:08 +00003118 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003119 bnx2x_pmf_update(bp);
3120
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00003121 /* Always call it here: bnx2x_link_report() will
3122 * prevent the link indication duplication.
3123 */
3124 bnx2x__link_status_update(bp);
3125
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003126 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003127 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3128 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003129 /* start dcbx state machine */
3130 bnx2x_dcbx_set_params(bp,
3131 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003132 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003133
3134 BNX2X_ERR("MC assert!\n");
3135 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3136 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3137 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3138 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3139 bnx2x_panic();
3140
3141 } else if (attn & BNX2X_MCP_ASSERT) {
3142
3143 BNX2X_ERR("MCP assert!\n");
3144 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003145 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003146
3147 } else
3148 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3149 }
3150
3151 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003152 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3153 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003154 val = CHIP_IS_E1(bp) ? 0 :
3155 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003156 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3157 }
3158 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003159 val = CHIP_IS_E1(bp) ? 0 :
3160 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003161 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3162 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003163 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003164 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003165}
3166
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003167#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3168#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3169#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3170#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3171#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003172
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003173/*
3174 * should be run under rtnl lock
3175 */
3176static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3177{
3178 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3179 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3180 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3181 barrier();
3182 mmiowb();
3183}
3184
3185/*
3186 * should be run under rtnl lock
3187 */
3188static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3189{
3190 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3191 val |= (1 << 16);
3192 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3193 barrier();
3194 mmiowb();
3195}
3196
3197/*
3198 * should be run under rtnl lock
3199 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003200bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003201{
3202 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3203 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3204 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3205}
3206
3207/*
3208 * should be run under rtnl lock
3209 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003210inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003211{
3212 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3213
3214 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3215
3216 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3217 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3218 barrier();
3219 mmiowb();
3220}
3221
3222/*
3223 * should be run under rtnl lock
3224 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003225u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003226{
3227 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3228
3229 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3230
3231 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3232 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3233 barrier();
3234 mmiowb();
3235
3236 return val1;
3237}
3238
3239/*
3240 * should be run under rtnl lock
3241 */
3242static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3243{
3244 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3245}
3246
3247static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3248{
3249 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3250 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3251}
3252
3253static inline void _print_next_block(int idx, const char *blk)
3254{
3255 if (idx)
3256 pr_cont(", ");
3257 pr_cont("%s", blk);
3258}
3259
3260static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3261{
3262 int i = 0;
3263 u32 cur_bit = 0;
3264 for (i = 0; sig; i++) {
3265 cur_bit = ((u32)0x1 << i);
3266 if (sig & cur_bit) {
3267 switch (cur_bit) {
3268 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3269 _print_next_block(par_num++, "BRB");
3270 break;
3271 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3272 _print_next_block(par_num++, "PARSER");
3273 break;
3274 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3275 _print_next_block(par_num++, "TSDM");
3276 break;
3277 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3278 _print_next_block(par_num++, "SEARCHER");
3279 break;
3280 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3281 _print_next_block(par_num++, "TSEMI");
3282 break;
3283 }
3284
3285 /* Clear the bit */
3286 sig &= ~cur_bit;
3287 }
3288 }
3289
3290 return par_num;
3291}
3292
3293static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3294{
3295 int i = 0;
3296 u32 cur_bit = 0;
3297 for (i = 0; sig; i++) {
3298 cur_bit = ((u32)0x1 << i);
3299 if (sig & cur_bit) {
3300 switch (cur_bit) {
3301 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3302 _print_next_block(par_num++, "PBCLIENT");
3303 break;
3304 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3305 _print_next_block(par_num++, "QM");
3306 break;
3307 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3308 _print_next_block(par_num++, "XSDM");
3309 break;
3310 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3311 _print_next_block(par_num++, "XSEMI");
3312 break;
3313 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3314 _print_next_block(par_num++, "DOORBELLQ");
3315 break;
3316 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3317 _print_next_block(par_num++, "VAUX PCI CORE");
3318 break;
3319 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3320 _print_next_block(par_num++, "DEBUG");
3321 break;
3322 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3323 _print_next_block(par_num++, "USDM");
3324 break;
3325 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3326 _print_next_block(par_num++, "USEMI");
3327 break;
3328 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3329 _print_next_block(par_num++, "UPB");
3330 break;
3331 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3332 _print_next_block(par_num++, "CSDM");
3333 break;
3334 }
3335
3336 /* Clear the bit */
3337 sig &= ~cur_bit;
3338 }
3339 }
3340
3341 return par_num;
3342}
3343
3344static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3345{
3346 int i = 0;
3347 u32 cur_bit = 0;
3348 for (i = 0; sig; i++) {
3349 cur_bit = ((u32)0x1 << i);
3350 if (sig & cur_bit) {
3351 switch (cur_bit) {
3352 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3353 _print_next_block(par_num++, "CSEMI");
3354 break;
3355 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3356 _print_next_block(par_num++, "PXP");
3357 break;
3358 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3359 _print_next_block(par_num++,
3360 "PXPPCICLOCKCLIENT");
3361 break;
3362 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3363 _print_next_block(par_num++, "CFC");
3364 break;
3365 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3366 _print_next_block(par_num++, "CDU");
3367 break;
3368 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3369 _print_next_block(par_num++, "IGU");
3370 break;
3371 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3372 _print_next_block(par_num++, "MISC");
3373 break;
3374 }
3375
3376 /* Clear the bit */
3377 sig &= ~cur_bit;
3378 }
3379 }
3380
3381 return par_num;
3382}
3383
3384static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3385{
3386 int i = 0;
3387 u32 cur_bit = 0;
3388 for (i = 0; sig; i++) {
3389 cur_bit = ((u32)0x1 << i);
3390 if (sig & cur_bit) {
3391 switch (cur_bit) {
3392 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3393 _print_next_block(par_num++, "MCP ROM");
3394 break;
3395 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3396 _print_next_block(par_num++, "MCP UMP RX");
3397 break;
3398 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3399 _print_next_block(par_num++, "MCP UMP TX");
3400 break;
3401 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3402 _print_next_block(par_num++, "MCP SCPAD");
3403 break;
3404 }
3405
3406 /* Clear the bit */
3407 sig &= ~cur_bit;
3408 }
3409 }
3410
3411 return par_num;
3412}
3413
3414static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3415 u32 sig2, u32 sig3)
3416{
3417 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3418 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3419 int par_num = 0;
3420 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3421 "[0]:0x%08x [1]:0x%08x "
3422 "[2]:0x%08x [3]:0x%08x\n",
3423 sig0 & HW_PRTY_ASSERT_SET_0,
3424 sig1 & HW_PRTY_ASSERT_SET_1,
3425 sig2 & HW_PRTY_ASSERT_SET_2,
3426 sig3 & HW_PRTY_ASSERT_SET_3);
3427 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3428 bp->dev->name);
3429 par_num = bnx2x_print_blocks_with_parity0(
3430 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3431 par_num = bnx2x_print_blocks_with_parity1(
3432 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3433 par_num = bnx2x_print_blocks_with_parity2(
3434 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3435 par_num = bnx2x_print_blocks_with_parity3(
3436 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3437 printk("\n");
3438 return true;
3439 } else
3440 return false;
3441}
3442
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003443bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003444{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003445 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003446 int port = BP_PORT(bp);
3447
3448 attn.sig[0] = REG_RD(bp,
3449 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3450 port*4);
3451 attn.sig[1] = REG_RD(bp,
3452 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3453 port*4);
3454 attn.sig[2] = REG_RD(bp,
3455 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3456 port*4);
3457 attn.sig[3] = REG_RD(bp,
3458 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3459 port*4);
3460
3461 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3462 attn.sig[3]);
3463}
3464
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003465
3466static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3467{
3468 u32 val;
3469 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3470
3471 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3472 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3473 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3474 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3475 "ADDRESS_ERROR\n");
3476 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3477 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3478 "INCORRECT_RCV_BEHAVIOR\n");
3479 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3480 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3481 "WAS_ERROR_ATTN\n");
3482 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3483 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3484 "VF_LENGTH_VIOLATION_ATTN\n");
3485 if (val &
3486 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3487 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3488 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3489 if (val &
3490 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3491 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3492 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3493 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3494 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3495 "TCPL_ERROR_ATTN\n");
3496 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3497 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3498 "TCPL_IN_TWO_RCBS_ATTN\n");
3499 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3500 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3501 "CSSNOOP_FIFO_OVERFLOW\n");
3502 }
3503 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3504 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3505 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3506 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3507 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3508 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3509 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3510 "_ATC_TCPL_TO_NOT_PEND\n");
3511 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3512 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3513 "ATC_GPA_MULTIPLE_HITS\n");
3514 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3515 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3516 "ATC_RCPL_TO_EMPTY_CNT\n");
3517 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3518 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3519 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3520 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3521 "ATC_IREQ_LESS_THAN_STU\n");
3522 }
3523
3524 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3525 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3526 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3527 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3528 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3529 }
3530
3531}
3532
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003533static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3534{
3535 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003536 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003537 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003538 u32 reg_addr;
3539 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003540 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003541
3542 /* need to take HW lock because MCP or other port might also
3543 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003544 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003545
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003546 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003547 bp->recovery_state = BNX2X_RECOVERY_INIT;
3548 bnx2x_set_reset_in_progress(bp);
3549 schedule_delayed_work(&bp->reset_task, 0);
3550 /* Disable HW interrupts */
3551 bnx2x_int_disable(bp);
3552 bnx2x_release_alr(bp);
3553 /* In case of parity errors don't handle attentions so that
3554 * other function would "see" parity errors.
3555 */
3556 return;
3557 }
3558
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003559 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3560 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3561 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3562 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003563 if (CHIP_IS_E2(bp))
3564 attn.sig[4] =
3565 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3566 else
3567 attn.sig[4] = 0;
3568
3569 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3570 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003571
3572 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3573 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003574 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003575
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003576 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3577 "%08x %08x %08x\n",
3578 index,
3579 group_mask->sig[0], group_mask->sig[1],
3580 group_mask->sig[2], group_mask->sig[3],
3581 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003582
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003583 bnx2x_attn_int_deasserted4(bp,
3584 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003585 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003586 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003587 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003588 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003589 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003590 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003591 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003592 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003593 }
3594 }
3595
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003596 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003597
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003598 if (bp->common.int_block == INT_BLOCK_HC)
3599 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3600 COMMAND_REG_ATTN_BITS_CLR);
3601 else
3602 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003603
3604 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003605 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3606 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003607 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003608
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003609 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003610 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003611
3612 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3613 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3614
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003615 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3616 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003617
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003618 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3619 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003620 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003621 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3622
3623 REG_WR(bp, reg_addr, aeu_mask);
3624 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003625
3626 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3627 bp->attn_state &= ~deasserted;
3628 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3629}
3630
3631static void bnx2x_attn_int(struct bnx2x *bp)
3632{
3633 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003634 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3635 attn_bits);
3636 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3637 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003638 u32 attn_state = bp->attn_state;
3639
3640 /* look for changed bits */
3641 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3642 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3643
3644 DP(NETIF_MSG_HW,
3645 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3646 attn_bits, attn_ack, asserted, deasserted);
3647
3648 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003649 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003650
3651 /* handle bits that were raised */
3652 if (asserted)
3653 bnx2x_attn_int_asserted(bp, asserted);
3654
3655 if (deasserted)
3656 bnx2x_attn_int_deasserted(bp, deasserted);
3657}
3658
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003659static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3660{
3661 /* No memory barriers */
3662 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3663 mmiowb(); /* keep prod updates ordered */
3664}
3665
3666#ifdef BCM_CNIC
3667static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3668 union event_ring_elem *elem)
3669{
3670 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00003671 (cid < bp->cnic_eth_dev.starting_cid &&
3672 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003673 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];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003907
Eilon Greenstein7961f792009-03-02 07:59:31 +00003908 bnx2x_tx_int(fp);
David S. Millerb8ee8322011-04-17 16:56:12 -07003909 bnx2x_rx_int(fp, 1000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003910 }
3911
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003912 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003913 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003914 u32 drv_pulse;
3915 u32 mcp_pulse;
3916
3917 ++bp->fw_drv_pulse_wr_seq;
3918 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3919 /* TBD - add SYSTEM_TIME */
3920 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003921 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003922
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003923 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003924 MCP_PULSE_SEQ_MASK);
3925 /* The delta between driver pulse and mcp response
3926 * should be 1 (before mcp response) or 0 (after mcp response)
3927 */
3928 if ((drv_pulse != mcp_pulse) &&
3929 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3930 /* someone lost a heartbeat... */
3931 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3932 drv_pulse, mcp_pulse);
3933 }
3934 }
3935
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003936 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003937 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003938
Eliezer Tamirf1410642008-02-28 11:51:50 -08003939timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003940 mod_timer(&bp->timer, jiffies + bp->current_interval);
3941}
3942
3943/* end of Statistics */
3944
3945/* nic init */
3946
3947/*
3948 * nic init service functions
3949 */
3950
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003951static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003952{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003953 u32 i;
3954 if (!(len%4) && !(addr%4))
3955 for (i = 0; i < len; i += 4)
3956 REG_WR(bp, addr + i, fill);
3957 else
3958 for (i = 0; i < len; i++)
3959 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003960
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003961}
3962
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003963/* helper: writes FP SP data to FW - data_size in dwords */
3964static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3965 int fw_sb_id,
3966 u32 *sb_data_p,
3967 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003968{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003969 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003970 for (index = 0; index < data_size; index++)
3971 REG_WR(bp, BAR_CSTRORM_INTMEM +
3972 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3973 sizeof(u32)*index,
3974 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003975}
3976
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003977static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3978{
3979 u32 *sb_data_p;
3980 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003981 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003982 struct hc_status_block_data_e1x sb_data_e1x;
3983
3984 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003985 if (CHIP_IS_E2(bp)) {
3986 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3987 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3988 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3989 sb_data_e2.common.p_func.vf_valid = false;
3990 sb_data_p = (u32 *)&sb_data_e2;
3991 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3992 } else {
3993 memset(&sb_data_e1x, 0,
3994 sizeof(struct hc_status_block_data_e1x));
3995 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3996 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3997 sb_data_e1x.common.p_func.vf_valid = false;
3998 sb_data_p = (u32 *)&sb_data_e1x;
3999 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4000 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004001 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4002
4003 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4004 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
4005 CSTORM_STATUS_BLOCK_SIZE);
4006 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4007 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
4008 CSTORM_SYNC_BLOCK_SIZE);
4009}
4010
4011/* helper: writes SP SB data to FW */
4012static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
4013 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004014{
4015 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004016 int i;
4017 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4018 REG_WR(bp, BAR_CSTRORM_INTMEM +
4019 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4020 i*sizeof(u32),
4021 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004022}
4023
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004024static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4025{
4026 int func = BP_FUNC(bp);
4027 struct hc_sp_status_block_data sp_sb_data;
4028 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4029
4030 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4031 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4032 sp_sb_data.p_func.vf_valid = false;
4033
4034 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4035
4036 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4037 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4038 CSTORM_SP_STATUS_BLOCK_SIZE);
4039 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4040 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4041 CSTORM_SP_SYNC_BLOCK_SIZE);
4042
4043}
4044
4045
4046static inline
4047void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4048 int igu_sb_id, int igu_seg_id)
4049{
4050 hc_sm->igu_sb_id = igu_sb_id;
4051 hc_sm->igu_seg_id = igu_seg_id;
4052 hc_sm->timer_value = 0xFF;
4053 hc_sm->time_to_expire = 0xFFFFFFFF;
4054}
4055
stephen hemminger8d962862010-10-21 07:50:56 +00004056static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004057 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4058{
4059 int igu_seg_id;
4060
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004061 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004062 struct hc_status_block_data_e1x sb_data_e1x;
4063 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004064 int data_size;
4065 u32 *sb_data_p;
4066
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004067 if (CHIP_INT_MODE_IS_BC(bp))
4068 igu_seg_id = HC_SEG_ACCESS_NORM;
4069 else
4070 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004071
4072 bnx2x_zero_fp_sb(bp, fw_sb_id);
4073
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004074 if (CHIP_IS_E2(bp)) {
4075 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4076 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4077 sb_data_e2.common.p_func.vf_id = vfid;
4078 sb_data_e2.common.p_func.vf_valid = vf_valid;
4079 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4080 sb_data_e2.common.same_igu_sb_1b = true;
4081 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4082 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4083 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004084 sb_data_p = (u32 *)&sb_data_e2;
4085 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4086 } else {
4087 memset(&sb_data_e1x, 0,
4088 sizeof(struct hc_status_block_data_e1x));
4089 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4090 sb_data_e1x.common.p_func.vf_id = 0xff;
4091 sb_data_e1x.common.p_func.vf_valid = false;
4092 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4093 sb_data_e1x.common.same_igu_sb_1b = true;
4094 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4095 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4096 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004097 sb_data_p = (u32 *)&sb_data_e1x;
4098 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4099 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004100
4101 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4102 igu_sb_id, igu_seg_id);
4103 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4104 igu_sb_id, igu_seg_id);
4105
4106 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4107
4108 /* write indecies to HW */
4109 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4110}
4111
4112static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4113 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004114{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004115 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004116 u8 ticks = usec / BNX2X_BTR;
4117
4118 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4119
4120 disable = disable ? 1 : (usec ? 0 : 1);
4121 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4122}
4123
4124static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4125 u16 tx_usec, u16 rx_usec)
4126{
4127 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4128 false, rx_usec);
4129 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4130 false, tx_usec);
4131}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004132
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004133static void bnx2x_init_def_sb(struct bnx2x *bp)
4134{
4135 struct host_sp_status_block *def_sb = bp->def_status_blk;
4136 dma_addr_t mapping = bp->def_status_blk_mapping;
4137 int igu_sp_sb_index;
4138 int igu_seg_id;
4139 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004140 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004141 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004142 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004143 int index;
4144 struct hc_sp_status_block_data sp_sb_data;
4145 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4146
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004147 if (CHIP_INT_MODE_IS_BC(bp)) {
4148 igu_sp_sb_index = DEF_SB_IGU_ID;
4149 igu_seg_id = HC_SEG_ACCESS_DEF;
4150 } else {
4151 igu_sp_sb_index = bp->igu_dsb_id;
4152 igu_seg_id = IGU_SEG_ACCESS_DEF;
4153 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004154
4155 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004156 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004157 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004158 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004159
Eliezer Tamir49d66772008-02-28 11:53:13 -08004160 bp->attn_state = 0;
4161
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004162 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4163 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004164 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004165 int sindex;
4166 /* take care of sig[0]..sig[4] */
4167 for (sindex = 0; sindex < 4; sindex++)
4168 bp->attn_group[index].sig[sindex] =
4169 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004170
4171 if (CHIP_IS_E2(bp))
4172 /*
4173 * enable5 is separate from the rest of the registers,
4174 * and therefore the address skip is 4
4175 * and not 16 between the different groups
4176 */
4177 bp->attn_group[index].sig[4] = REG_RD(bp,
4178 reg_offset + 0x10 + 0x4*index);
4179 else
4180 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004181 }
4182
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004183 if (bp->common.int_block == INT_BLOCK_HC) {
4184 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4185 HC_REG_ATTN_MSG0_ADDR_L);
4186
4187 REG_WR(bp, reg_offset, U64_LO(section));
4188 REG_WR(bp, reg_offset + 4, U64_HI(section));
4189 } else if (CHIP_IS_E2(bp)) {
4190 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4191 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4192 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004193
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004194 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4195 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004196
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004197 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004198
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004199 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4200 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4201 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4202 sp_sb_data.igu_seg_id = igu_seg_id;
4203 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004204 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004205 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004206
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004207 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004208
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004209 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004210 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004211
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004212 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004213}
4214
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004215void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004216{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004217 int i;
4218
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004219 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004220 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07004221 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004222}
4223
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004224static void bnx2x_init_sp_ring(struct bnx2x *bp)
4225{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004226 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004227 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004228
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004229 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004230 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4231 bp->spq_prod_bd = bp->spq;
4232 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004233}
4234
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004235static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004236{
4237 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004238 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4239 union event_ring_elem *elem =
4240 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004241
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004242 elem->next_page.addr.hi =
4243 cpu_to_le32(U64_HI(bp->eq_mapping +
4244 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4245 elem->next_page.addr.lo =
4246 cpu_to_le32(U64_LO(bp->eq_mapping +
4247 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004248 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004249 bp->eq_cons = 0;
4250 bp->eq_prod = NUM_EQ_DESC;
4251 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004252 /* we want a warning message before it gets rought... */
4253 atomic_set(&bp->eq_spq_left,
4254 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004255}
4256
Tom Herbertab532cf2011-02-16 10:27:02 +00004257void bnx2x_push_indir_table(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004258{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004259 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004260 int i;
4261
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004262 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004263 return;
4264
4265 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004266 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004267 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Tom Herbertab532cf2011-02-16 10:27:02 +00004268 bp->fp->cl_id + bp->rx_indir_table[i]);
4269}
4270
4271static void bnx2x_init_ind_table(struct bnx2x *bp)
4272{
4273 int i;
4274
4275 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4276 bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);
4277
4278 bnx2x_push_indir_table(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004279}
4280
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004281void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004282{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004283 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004284 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004285 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004286 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004287
Eilon Greenstein581ce432009-07-29 00:20:04 +00004288 /* All but management unicast packets should pass to the host as well */
4289 u32 llh_mask =
4290 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4291 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4292 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4293 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004294
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004295 switch (mode) {
4296 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004297 def_q_filters = BNX2X_ACCEPT_NONE;
4298#ifdef BCM_CNIC
4299 if (!NO_FCOE(bp)) {
4300 cl_id = bnx2x_fcoe(bp, cl_id);
4301 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4302 }
4303#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004304 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004305
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004306 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004307 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4308 BNX2X_ACCEPT_MULTICAST;
4309#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004310 if (!NO_FCOE(bp)) {
4311 cl_id = bnx2x_fcoe(bp, cl_id);
4312 bnx2x_rxq_set_mac_filters(bp, cl_id,
4313 BNX2X_ACCEPT_UNICAST |
4314 BNX2X_ACCEPT_MULTICAST);
4315 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004316#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004317 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004318
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004319 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004320 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4321 BNX2X_ACCEPT_ALL_MULTICAST;
4322#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004323 /*
4324 * Prevent duplication of multicast packets by configuring FCoE
4325 * L2 Client to receive only matched unicast frames.
4326 */
4327 if (!NO_FCOE(bp)) {
4328 cl_id = bnx2x_fcoe(bp, cl_id);
4329 bnx2x_rxq_set_mac_filters(bp, cl_id,
4330 BNX2X_ACCEPT_UNICAST);
4331 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004332#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004333 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004334
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004335 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004336 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4337#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004338 /*
4339 * Prevent packets duplication by configuring DROP_ALL for FCoE
4340 * L2 Client.
4341 */
4342 if (!NO_FCOE(bp)) {
4343 cl_id = bnx2x_fcoe(bp, cl_id);
4344 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4345 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004346#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004347 /* pass management unicast packets as well */
4348 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004349 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004350
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004351 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004352 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4353 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004354 }
4355
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004356 cl_id = BP_L_ID(bp);
4357 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4358
Eilon Greenstein581ce432009-07-29 00:20:04 +00004359 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004360 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4361 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004362
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004363 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4364 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004365 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4366 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004367 bp->mac_filters.ucast_drop_all,
4368 bp->mac_filters.mcast_drop_all,
4369 bp->mac_filters.bcast_drop_all,
4370 bp->mac_filters.ucast_accept_all,
4371 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004372 bp->mac_filters.bcast_accept_all,
4373 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004374 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004376 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004377}
4378
Eilon Greenstein471de712008-08-13 15:49:35 -07004379static void bnx2x_init_internal_common(struct bnx2x *bp)
4380{
4381 int i;
4382
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004383 if (!CHIP_IS_E1(bp)) {
4384
4385 /* xstorm needs to know whether to add ovlan to packets or not,
4386 * in switch-independent we'll write 0 to here... */
4387 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004388 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004389 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004390 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004391 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_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_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004394 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004395 }
4396
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004397 if (IS_MF_SI(bp))
4398 /*
4399 * In switch independent mode, the TSTORM needs to accept
4400 * packets that failed classification, since approximate match
4401 * mac addresses aren't written to NIG LLH
4402 */
4403 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4404 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4405
Eilon Greenstein471de712008-08-13 15:49:35 -07004406 /* Zero this manually as its initialization is
4407 currently missing in the initTool */
4408 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4409 REG_WR(bp, BAR_USTRORM_INTMEM +
4410 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004411 if (CHIP_IS_E2(bp)) {
4412 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4413 CHIP_INT_MODE_IS_BC(bp) ?
4414 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4415 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004416}
4417
4418static void bnx2x_init_internal_port(struct bnx2x *bp)
4419{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004420 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004421 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004422}
4423
Eilon Greenstein471de712008-08-13 15:49:35 -07004424static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4425{
4426 switch (load_code) {
4427 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004428 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004429 bnx2x_init_internal_common(bp);
4430 /* no break */
4431
4432 case FW_MSG_CODE_DRV_LOAD_PORT:
4433 bnx2x_init_internal_port(bp);
4434 /* no break */
4435
4436 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004437 /* internal memory per function is
4438 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004439 break;
4440
4441 default:
4442 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4443 break;
4444 }
4445}
4446
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004447static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4448{
4449 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4450
4451 fp->state = BNX2X_FP_STATE_CLOSED;
4452
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004453 fp->cid = fp_idx;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004454 fp->cl_id = BP_L_ID(bp) + fp_idx;
4455 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4456 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4457 /* qZone id equals to FW (per path) client id */
4458 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004459 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4460 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004461 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004462 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4463 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004464 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4465 /* Setup SB indicies */
4466 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4467 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4468
4469 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4470 "cl_id %d fw_sb %d igu_sb %d\n",
4471 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4472 fp->igu_sb_id);
4473 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4474 fp->fw_sb_id, fp->igu_sb_id);
4475
4476 bnx2x_update_fpsb_idx(fp);
4477}
4478
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004479void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004480{
4481 int i;
4482
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004483 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004484 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004485#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004486 if (!NO_FCOE(bp))
4487 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004488
4489 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4490 BNX2X_VF_ID_INVALID, false,
4491 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4492
Michael Chan37b091b2009-10-10 13:46:55 +00004493#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004494
Eilon Greenstein16119782009-03-02 07:59:27 +00004495 /* ensure status block indices were read */
4496 rmb();
4497
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004498 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004499 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004500 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004501 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004502 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004503 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004504 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004505 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004506 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004507 bnx2x_stats_init(bp);
4508
4509 /* At this point, we are ready for interrupts */
4510 atomic_set(&bp->intr_sem, 0);
4511
4512 /* flush all before enabling interrupts */
4513 mb();
4514 mmiowb();
4515
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004516 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004517
4518 /* Check for SPIO5 */
4519 bnx2x_attn_int_deasserted0(bp,
4520 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4521 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004522}
4523
4524/* end of nic init */
4525
4526/*
4527 * gzip service functions
4528 */
4529
4530static int bnx2x_gunzip_init(struct bnx2x *bp)
4531{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004532 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4533 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004534 if (bp->gunzip_buf == NULL)
4535 goto gunzip_nomem1;
4536
4537 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4538 if (bp->strm == NULL)
4539 goto gunzip_nomem2;
4540
David S. Miller7ab24bf2011-06-29 05:48:41 -07004541 bp->strm->workspace = vmalloc(zlib_inflate_workspacesize());
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004542 if (bp->strm->workspace == NULL)
4543 goto gunzip_nomem3;
4544
4545 return 0;
4546
4547gunzip_nomem3:
4548 kfree(bp->strm);
4549 bp->strm = NULL;
4550
4551gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004552 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4553 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004554 bp->gunzip_buf = NULL;
4555
4556gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004557 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4558 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004559 return -ENOMEM;
4560}
4561
4562static void bnx2x_gunzip_end(struct bnx2x *bp)
4563{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004564 if (bp->strm) {
David S. Miller7ab24bf2011-06-29 05:48:41 -07004565 vfree(bp->strm->workspace);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004566 kfree(bp->strm);
4567 bp->strm = NULL;
4568 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004569
4570 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004571 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4572 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004573 bp->gunzip_buf = NULL;
4574 }
4575}
4576
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004577static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004578{
4579 int n, rc;
4580
4581 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004582 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4583 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004584 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004585 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004586
4587 n = 10;
4588
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004589#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004590
4591 if (zbuf[3] & FNAME)
4592 while ((zbuf[n++] != 0) && (n < len));
4593
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004594 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004595 bp->strm->avail_in = len - n;
4596 bp->strm->next_out = bp->gunzip_buf;
4597 bp->strm->avail_out = FW_BUF_SIZE;
4598
4599 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4600 if (rc != Z_OK)
4601 return rc;
4602
4603 rc = zlib_inflate(bp->strm, Z_FINISH);
4604 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004605 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4606 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004607
4608 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4609 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004610 netdev_err(bp->dev, "Firmware decompression error:"
4611 " gunzip_outlen (%d) not aligned\n",
4612 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004613 bp->gunzip_outlen >>= 2;
4614
4615 zlib_inflateEnd(bp->strm);
4616
4617 if (rc == Z_STREAM_END)
4618 return 0;
4619
4620 return rc;
4621}
4622
4623/* nic load/unload */
4624
4625/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004626 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004627 */
4628
4629/* send a NIG loopback debug packet */
4630static void bnx2x_lb_pckt(struct bnx2x *bp)
4631{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004632 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004633
4634 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004635 wb_write[0] = 0x55555555;
4636 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004637 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004638 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004639
4640 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004641 wb_write[0] = 0x09000000;
4642 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004643 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004644 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004645}
4646
4647/* some of the internal memories
4648 * are not directly readable from the driver
4649 * to test them we send debug packets
4650 */
4651static int bnx2x_int_mem_test(struct bnx2x *bp)
4652{
4653 int factor;
4654 int count, i;
4655 u32 val = 0;
4656
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004657 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004658 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004659 else if (CHIP_REV_IS_EMUL(bp))
4660 factor = 200;
4661 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004662 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004663
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004664 /* Disable inputs of parser neighbor blocks */
4665 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4666 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4667 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004668 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004669
4670 /* Write 0 to parser credits for CFC search request */
4671 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4672
4673 /* send Ethernet packet */
4674 bnx2x_lb_pckt(bp);
4675
4676 /* TODO do i reset NIG statistic? */
4677 /* Wait until NIG register shows 1 packet of size 0x10 */
4678 count = 1000 * factor;
4679 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004680
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004681 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4682 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004683 if (val == 0x10)
4684 break;
4685
4686 msleep(10);
4687 count--;
4688 }
4689 if (val != 0x10) {
4690 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4691 return -1;
4692 }
4693
4694 /* Wait until PRS register shows 1 packet */
4695 count = 1000 * factor;
4696 while (count) {
4697 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004698 if (val == 1)
4699 break;
4700
4701 msleep(10);
4702 count--;
4703 }
4704 if (val != 0x1) {
4705 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4706 return -2;
4707 }
4708
4709 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004710 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004711 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004712 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004713 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004714 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4715 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004716
4717 DP(NETIF_MSG_HW, "part2\n");
4718
4719 /* Disable inputs of parser neighbor blocks */
4720 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4721 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4722 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004723 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004724
4725 /* Write 0 to parser credits for CFC search request */
4726 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4727
4728 /* send 10 Ethernet packets */
4729 for (i = 0; i < 10; i++)
4730 bnx2x_lb_pckt(bp);
4731
4732 /* Wait until NIG register shows 10 + 1
4733 packets of size 11*0x10 = 0xb0 */
4734 count = 1000 * factor;
4735 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004736
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004737 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4738 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004739 if (val == 0xb0)
4740 break;
4741
4742 msleep(10);
4743 count--;
4744 }
4745 if (val != 0xb0) {
4746 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4747 return -3;
4748 }
4749
4750 /* Wait until PRS register shows 2 packets */
4751 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4752 if (val != 2)
4753 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4754
4755 /* Write 1 to parser credits for CFC search request */
4756 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4757
4758 /* Wait until PRS register shows 3 packets */
4759 msleep(10 * factor);
4760 /* Wait until NIG register shows 1 packet of size 0x10 */
4761 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4762 if (val != 3)
4763 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4764
4765 /* clear NIG EOP FIFO */
4766 for (i = 0; i < 11; i++)
4767 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4768 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4769 if (val != 1) {
4770 BNX2X_ERR("clear of NIG failed\n");
4771 return -4;
4772 }
4773
4774 /* Reset and init BRB, PRS, NIG */
4775 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4776 msleep(50);
4777 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4778 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004779 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4780 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004781#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004782 /* set NIC mode */
4783 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4784#endif
4785
4786 /* Enable inputs of parser neighbor blocks */
4787 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4788 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4789 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004790 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004791
4792 DP(NETIF_MSG_HW, "done\n");
4793
4794 return 0; /* OK */
4795}
4796
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004797static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004798{
4799 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004800 if (CHIP_IS_E2(bp))
4801 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4802 else
4803 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004804 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4805 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004806 /*
4807 * mask read length error interrupts in brb for parser
4808 * (parsing unit and 'checksum and crc' unit)
4809 * these errors are legal (PU reads fixed length and CAC can cause
4810 * read length error on truncated packets)
4811 */
4812 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004813 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4814 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4815 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4816 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4817 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004818/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4819/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004820 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4821 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4822 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004823/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4824/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004825 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4826 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4827 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4828 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004829/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4830/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004831
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004832 if (CHIP_REV_IS_FPGA(bp))
4833 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004834 else if (CHIP_IS_E2(bp))
4835 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4836 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4837 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4838 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4839 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4840 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004841 else
4842 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004843 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4844 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4845 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004846/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4847/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004848 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4849 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004850/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004851 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004852}
4853
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004854static void bnx2x_reset_common(struct bnx2x *bp)
4855{
4856 /* reset_common */
4857 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4858 0xd3ffff7f);
4859 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4860}
4861
Eilon Greenstein573f2032009-08-12 08:24:14 +00004862static void bnx2x_init_pxp(struct bnx2x *bp)
4863{
4864 u16 devctl;
4865 int r_order, w_order;
4866
4867 pci_read_config_word(bp->pdev,
4868 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4869 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4870 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4871 if (bp->mrrs == -1)
4872 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4873 else {
4874 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4875 r_order = bp->mrrs;
4876 }
4877
4878 bnx2x_init_pxp_arb(bp, r_order, w_order);
4879}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004880
4881static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4882{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004883 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004884 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004885 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004886
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004887 if (BP_NOMCP(bp))
4888 return;
4889
4890 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004891 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4892 SHARED_HW_CFG_FAN_FAILURE_MASK;
4893
4894 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4895 is_required = 1;
4896
4897 /*
4898 * The fan failure mechanism is usually related to the PHY type since
4899 * the power consumption of the board is affected by the PHY. Currently,
4900 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4901 */
4902 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4903 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004904 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004905 bnx2x_fan_failure_det_req(
4906 bp,
4907 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004908 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004909 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004910 }
4911
4912 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4913
4914 if (is_required == 0)
4915 return;
4916
4917 /* Fan failure is indicated by SPIO 5 */
4918 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4919 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4920
4921 /* set to active low mode */
4922 val = REG_RD(bp, MISC_REG_SPIO_INT);
4923 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004924 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004925 REG_WR(bp, MISC_REG_SPIO_INT, val);
4926
4927 /* enable interrupt to signal the IGU */
4928 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4929 val |= (1 << MISC_REGISTERS_SPIO_5);
4930 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4931}
4932
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004933static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4934{
4935 u32 offset = 0;
4936
4937 if (CHIP_IS_E1(bp))
4938 return;
4939 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4940 return;
4941
4942 switch (BP_ABS_FUNC(bp)) {
4943 case 0:
4944 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4945 break;
4946 case 1:
4947 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4948 break;
4949 case 2:
4950 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4951 break;
4952 case 3:
4953 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4954 break;
4955 case 4:
4956 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4957 break;
4958 case 5:
4959 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4960 break;
4961 case 6:
4962 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4963 break;
4964 case 7:
4965 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4966 break;
4967 default:
4968 return;
4969 }
4970
4971 REG_WR(bp, offset, pretend_func_num);
4972 REG_RD(bp, offset);
4973 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4974}
4975
4976static void bnx2x_pf_disable(struct bnx2x *bp)
4977{
4978 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4979 val &= ~IGU_PF_CONF_FUNC_EN;
4980
4981 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4982 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4983 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4984}
4985
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004986static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004987{
4988 u32 val, i;
4989
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004990 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004991
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004992 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004993 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4994 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4995
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004996 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004997 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004998 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004999
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005000 if (CHIP_IS_E2(bp)) {
5001 u8 fid;
5002
5003 /**
5004 * 4-port mode or 2-port mode we need to turn of master-enable
5005 * for everyone, after that, turn it back on for self.
5006 * so, we disregard multi-function or not, and always disable
5007 * for all functions on the given path, this means 0,2,4,6 for
5008 * path 0 and 1,3,5,7 for path 1
5009 */
5010 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
5011 if (fid == BP_ABS_FUNC(bp)) {
5012 REG_WR(bp,
5013 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
5014 1);
5015 continue;
5016 }
5017
5018 bnx2x_pretend_func(bp, fid);
5019 /* clear pf enable */
5020 bnx2x_pf_disable(bp);
5021 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5022 }
5023 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005024
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005025 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005026 if (CHIP_IS_E1(bp)) {
5027 /* enable HW interrupt from PXP on USDM overflow
5028 bit 16 on INT_MASK_0 */
5029 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005030 }
5031
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005032 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005033 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005034
5035#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005036 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5037 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5038 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5039 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5040 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005041 /* make sure this value is 0 */
5042 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005043
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005044/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5045 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5046 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5047 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5048 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005049#endif
5050
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005051 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5052
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005053 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5054 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005055
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005056 /* let the HW do it's magic ... */
5057 msleep(100);
5058 /* finish PXP init */
5059 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5060 if (val != 1) {
5061 BNX2X_ERR("PXP2 CFG failed\n");
5062 return -EBUSY;
5063 }
5064 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5065 if (val != 1) {
5066 BNX2X_ERR("PXP2 RD_INIT failed\n");
5067 return -EBUSY;
5068 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005069
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005070 /* Timers bug workaround E2 only. We need to set the entire ILT to
5071 * have entries with value "0" and valid bit on.
5072 * This needs to be done by the first PF that is loaded in a path
5073 * (i.e. common phase)
5074 */
5075 if (CHIP_IS_E2(bp)) {
5076 struct ilt_client_info ilt_cli;
5077 struct bnx2x_ilt ilt;
5078 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5079 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5080
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005081 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005082 ilt_cli.start = 0;
5083 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5084 ilt_cli.client_num = ILT_CLIENT_TM;
5085
5086 /* Step 1: set zeroes to all ilt page entries with valid bit on
5087 * Step 2: set the timers first/last ilt entry to point
5088 * to the entire range to prevent ILT range error for 3rd/4th
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005089 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005090 *
5091 * both steps performed by call to bnx2x_ilt_client_init_op()
5092 * with dummy TM client
5093 *
5094 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5095 * and his brother are split registers
5096 */
5097 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5098 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5099 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5100
5101 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5102 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5103 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5104 }
5105
5106
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005107 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5108 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005109
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005110 if (CHIP_IS_E2(bp)) {
5111 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5112 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5113 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5114
5115 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5116
5117 /* let the HW do it's magic ... */
5118 do {
5119 msleep(200);
5120 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5121 } while (factor-- && (val != 1));
5122
5123 if (val != 1) {
5124 BNX2X_ERR("ATC_INIT failed\n");
5125 return -EBUSY;
5126 }
5127 }
5128
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005129 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005130
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005131 /* clean the DMAE memory */
5132 bp->dmae_ready = 1;
5133 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005134
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005135 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5136 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5137 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5138 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005139
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005140 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5141 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5142 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5143 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5144
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005145 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005146
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005147 if (CHIP_MODE_IS_4_PORT(bp))
5148 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005149
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005150 /* QM queues pointers table */
5151 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005152
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005153 /* soft reset pulse */
5154 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5155 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005156
Michael Chan37b091b2009-10-10 13:46:55 +00005157#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005158 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005159#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005160
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005161 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005162 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5163
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005164 if (!CHIP_REV_IS_SLOW(bp)) {
5165 /* enable hw interrupt from doorbell Q */
5166 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5167 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005168
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005169 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005170 if (CHIP_MODE_IS_4_PORT(bp)) {
5171 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5172 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5173 }
5174
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005175 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005176 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005177#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005178 /* set NIC mode */
5179 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005180#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005181 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005182 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005183
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005184 if (CHIP_IS_E2(bp)) {
5185 /* Bit-map indicating which L2 hdrs may appear after the
5186 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005187 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005188 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5189 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5190 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005191
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005192 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5193 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5194 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5195 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005196
Eilon Greensteinca003922009-08-12 22:53:28 -07005197 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5198 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5199 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5200 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005201
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005202 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5203 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5204 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5205 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005206
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005207 if (CHIP_MODE_IS_4_PORT(bp))
5208 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5209
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005210 /* sync semi rtc */
5211 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5212 0x80000000);
5213 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5214 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005215
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005216 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5217 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5218 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005219
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005220 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005221 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005222 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5223 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5224 }
5225
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005226 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005227 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5228 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005229
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005230 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005231#ifdef BCM_CNIC
5232 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5233 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5234 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5235 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5236 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5237 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5238 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5239 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5240 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5241 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5242#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005243 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005244
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005245 if (sizeof(union cdu_context) != 1024)
5246 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005247 dev_alert(&bp->pdev->dev, "please adjust the size "
5248 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005249 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005250
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005251 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005252 val = (4 << 24) + (0 << 12) + 1024;
5253 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005254
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005255 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005256 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005257 /* enable context validation interrupt from CFC */
5258 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5259
5260 /* set the thresholds to prevent CFC/CDU race */
5261 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005262
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005263 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005264
5265 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5266 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5267
5268 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005269 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005270
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005271 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005272 /* Reset PCIE errors for debug */
5273 REG_WR(bp, 0x2814, 0xffffffff);
5274 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005275
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005276 if (CHIP_IS_E2(bp)) {
5277 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5278 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5279 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5280 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5281 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5282 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5283 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5284 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5285 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5286 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5287 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5288 }
5289
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005290 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005291 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005292 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005293 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005294
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005295 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005296 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005297 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005298 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005299 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005300 if (CHIP_IS_E2(bp)) {
5301 /* Bit-map indicating which L2 hdrs may appear after the
5302 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005303 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005304 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005305
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005306 if (CHIP_REV_IS_SLOW(bp))
5307 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005308
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005309 /* finish CFC init */
5310 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5311 if (val != 1) {
5312 BNX2X_ERR("CFC LL_INIT failed\n");
5313 return -EBUSY;
5314 }
5315 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5316 if (val != 1) {
5317 BNX2X_ERR("CFC AC_INIT failed\n");
5318 return -EBUSY;
5319 }
5320 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5321 if (val != 1) {
5322 BNX2X_ERR("CFC CAM_INIT failed\n");
5323 return -EBUSY;
5324 }
5325 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005326
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005327 if (CHIP_IS_E1(bp)) {
5328 /* read NIG statistic
5329 to see if this is our first up since powerup */
5330 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5331 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005332
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005333 /* do internal memory self test */
5334 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5335 BNX2X_ERR("internal mem self test failed\n");
5336 return -EBUSY;
5337 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005338 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005339
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005340 bnx2x_setup_fan_failure_detection(bp);
5341
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005342 /* clear PXP2 attentions */
5343 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005344
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005345 bnx2x_enable_blocks_attention(bp);
5346 if (CHIP_PARITY_ENABLED(bp))
5347 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005348
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005349 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005350 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5351 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5352 CHIP_IS_E1x(bp)) {
5353 u32 shmem_base[2], shmem2_base[2];
5354 shmem_base[0] = bp->common.shmem_base;
5355 shmem2_base[0] = bp->common.shmem2_base;
5356 if (CHIP_IS_E2(bp)) {
5357 shmem_base[1] =
5358 SHMEM2_RD(bp, other_shmem_base_addr);
5359 shmem2_base[1] =
5360 SHMEM2_RD(bp, other_shmem2_base_addr);
5361 }
5362 bnx2x_acquire_phy_lock(bp);
5363 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5364 bp->common.chip_id);
5365 bnx2x_release_phy_lock(bp);
5366 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005367 } else
5368 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5369
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005370 return 0;
5371}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005372
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005373static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005374{
5375 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005376 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005377 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005378 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005379
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005380 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005381
5382 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005383
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005384 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005385 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005386
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005387 /* Timers bug workaround: disables the pf_master bit in pglue at
5388 * common phase, we need to enable it here before any dmae access are
5389 * attempted. Therefore we manually added the enable-master to the
5390 * port phase (it also happens in the function phase)
5391 */
5392 if (CHIP_IS_E2(bp))
5393 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5394
Eilon Greensteinca003922009-08-12 22:53:28 -07005395 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5396 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5397 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005398 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005399
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005400 /* QM cid (connection) count */
5401 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005402
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005403#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005404 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005405 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5406 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005407#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005408
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005409 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005410
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005411 if (CHIP_MODE_IS_4_PORT(bp))
5412 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005413
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005414 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5415 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5416 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5417 /* no pause for emulation and FPGA */
5418 low = 0;
5419 high = 513;
5420 } else {
5421 if (IS_MF(bp))
5422 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5423 else if (bp->dev->mtu > 4096) {
5424 if (bp->flags & ONE_PORT_FLAG)
5425 low = 160;
5426 else {
5427 val = bp->dev->mtu;
5428 /* (24*1024 + val*4)/256 */
5429 low = 96 + (val/64) +
5430 ((val % 64) ? 1 : 0);
5431 }
5432 } else
5433 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5434 high = low + 56; /* 14*1024/256 */
5435 }
5436 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5437 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5438 }
5439
5440 if (CHIP_MODE_IS_4_PORT(bp)) {
5441 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5442 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5443 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5444 BRB1_REG_MAC_GUARANTIED_0), 40);
5445 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005446
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005447 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005448
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005449 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005450 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005451 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005452 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005453
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005454 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5455 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5456 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5457 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005458 if (CHIP_MODE_IS_4_PORT(bp))
5459 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005460
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005461 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005462 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005463
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005464 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005465
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005466 if (!CHIP_IS_E2(bp)) {
5467 /* configure PBF to work without PAUSE mtu 9000 */
5468 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005469
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005470 /* update threshold */
5471 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5472 /* update init credit */
5473 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005474
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005475 /* probe changes */
5476 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5477 udelay(50);
5478 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5479 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005480
Michael Chan37b091b2009-10-10 13:46:55 +00005481#ifdef BCM_CNIC
5482 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005483#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005484 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005485 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005486
5487 if (CHIP_IS_E1(bp)) {
5488 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5489 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5490 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005491 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005492
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005493 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5494
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005495 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005496 /* init aeu_mask_attn_func_0/1:
5497 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5498 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5499 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005500 val = IS_MF(bp) ? 0xF7 : 0x7;
5501 /* Enable DCBX attention for all but E1 */
5502 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5503 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005504
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005505 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005506 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005507 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005508 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005509 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005510
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005511 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005512
5513 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5514
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005515 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005516 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005517 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005518 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005519
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005520 if (CHIP_IS_E2(bp)) {
5521 val = 0;
5522 switch (bp->mf_mode) {
5523 case MULTI_FUNCTION_SD:
5524 val = 1;
5525 break;
5526 case MULTI_FUNCTION_SI:
5527 val = 2;
5528 break;
5529 }
5530
5531 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5532 NIG_REG_LLH0_CLS_TYPE), val);
5533 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005534 {
5535 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5536 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5537 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5538 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005539 }
5540
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005541 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005542 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005543 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005544 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005545 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5546 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5547 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005548 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005549 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005550 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005551 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005552
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005553 return 0;
5554}
5555
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005556static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5557{
5558 int reg;
5559
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005560 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005561 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005562 else
5563 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005564
5565 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5566}
5567
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005568static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5569{
5570 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5571}
5572
5573static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5574{
5575 u32 i, base = FUNC_ILT_BASE(func);
5576 for (i = base; i < base + ILT_PER_FUNC; i++)
5577 bnx2x_ilt_wr(bp, i, 0);
5578}
5579
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005580static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005581{
5582 int port = BP_PORT(bp);
5583 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005584 struct bnx2x_ilt *ilt = BP_ILT(bp);
5585 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005586 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005587 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5588 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005589
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005590 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005591
Eilon Greenstein8badd272009-02-12 08:36:15 +00005592 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005593 if (bp->common.int_block == INT_BLOCK_HC) {
5594 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5595 val = REG_RD(bp, addr);
5596 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5597 REG_WR(bp, addr, val);
5598 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005599
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005600 ilt = BP_ILT(bp);
5601 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005602
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005603 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5604 ilt->lines[cdu_ilt_start + i].page =
5605 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5606 ilt->lines[cdu_ilt_start + i].page_mapping =
5607 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5608 /* cdu ilt pages are allocated manually so there's no need to
5609 set the size */
5610 }
5611 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005612
Michael Chan37b091b2009-10-10 13:46:55 +00005613#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005614 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005615
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005616 /* T1 hash bits value determines the T1 number of entries */
5617 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005618#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005619
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005620#ifndef BCM_CNIC
5621 /* set NIC mode */
5622 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5623#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005624
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005625 if (CHIP_IS_E2(bp)) {
5626 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5627
5628 /* Turn on a single ISR mode in IGU if driver is going to use
5629 * INT#x or MSI
5630 */
5631 if (!(bp->flags & USING_MSIX_FLAG))
5632 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5633 /*
5634 * Timers workaround bug: function init part.
5635 * Need to wait 20msec after initializing ILT,
5636 * needed to make sure there are no requests in
5637 * one of the PXP internal queues with "old" ILT addresses
5638 */
5639 msleep(20);
5640 /*
5641 * Master enable - Due to WB DMAE writes performed before this
5642 * register is re-initialized as part of the regular function
5643 * init
5644 */
5645 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5646 /* Enable the function in IGU */
5647 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5648 }
5649
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005650 bp->dmae_ready = 1;
5651
5652 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5653
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005654 if (CHIP_IS_E2(bp))
5655 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5656
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005657 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5658 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5659 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5660 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5661 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5662 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5663 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5664 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5665 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5666
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005667 if (CHIP_IS_E2(bp)) {
5668 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5669 BP_PATH(bp));
5670 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5671 BP_PATH(bp));
5672 }
5673
5674 if (CHIP_MODE_IS_4_PORT(bp))
5675 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5676
5677 if (CHIP_IS_E2(bp))
5678 REG_WR(bp, QM_REG_PF_EN, 1);
5679
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005680 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005681
5682 if (CHIP_MODE_IS_4_PORT(bp))
5683 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5684
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005685 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5686 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5687 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5688 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5689 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5690 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5691 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5692 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5693 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5694 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5695 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005696 if (CHIP_IS_E2(bp))
5697 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5698
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005699 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5700
5701 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5702
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005703 if (CHIP_IS_E2(bp))
5704 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5705
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005706 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005707 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005708 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005709 }
5710
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005711 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5712
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005713 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005714 if (bp->common.int_block == INT_BLOCK_HC) {
5715 if (CHIP_IS_E1H(bp)) {
5716 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5717
5718 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5719 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5720 }
5721 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5722
5723 } else {
5724 int num_segs, sb_idx, prod_offset;
5725
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005726 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5727
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005728 if (CHIP_IS_E2(bp)) {
5729 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5730 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5731 }
5732
5733 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5734
5735 if (CHIP_IS_E2(bp)) {
5736 int dsb_idx = 0;
5737 /**
5738 * Producer memory:
5739 * E2 mode: address 0-135 match to the mapping memory;
5740 * 136 - PF0 default prod; 137 - PF1 default prod;
5741 * 138 - PF2 default prod; 139 - PF3 default prod;
5742 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5743 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5744 * 144-147 reserved.
5745 *
5746 * E1.5 mode - In backward compatible mode;
5747 * for non default SB; each even line in the memory
5748 * holds the U producer and each odd line hold
5749 * the C producer. The first 128 producers are for
5750 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5751 * producers are for the DSB for each PF.
5752 * Each PF has five segments: (the order inside each
5753 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5754 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5755 * 144-147 attn prods;
5756 */
5757 /* non-default-status-blocks */
5758 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5759 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5760 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5761 prod_offset = (bp->igu_base_sb + sb_idx) *
5762 num_segs;
5763
5764 for (i = 0; i < num_segs; i++) {
5765 addr = IGU_REG_PROD_CONS_MEMORY +
5766 (prod_offset + i) * 4;
5767 REG_WR(bp, addr, 0);
5768 }
5769 /* send consumer update with value 0 */
5770 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5771 USTORM_ID, 0, IGU_INT_NOP, 1);
5772 bnx2x_igu_clear_sb(bp,
5773 bp->igu_base_sb + sb_idx);
5774 }
5775
5776 /* default-status-blocks */
5777 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5778 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5779
5780 if (CHIP_MODE_IS_4_PORT(bp))
5781 dsb_idx = BP_FUNC(bp);
5782 else
5783 dsb_idx = BP_E1HVN(bp);
5784
5785 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5786 IGU_BC_BASE_DSB_PROD + dsb_idx :
5787 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5788
5789 for (i = 0; i < (num_segs * E1HVN_MAX);
5790 i += E1HVN_MAX) {
5791 addr = IGU_REG_PROD_CONS_MEMORY +
5792 (prod_offset + i)*4;
5793 REG_WR(bp, addr, 0);
5794 }
5795 /* send consumer update with 0 */
5796 if (CHIP_INT_MODE_IS_BC(bp)) {
5797 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5798 USTORM_ID, 0, IGU_INT_NOP, 1);
5799 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5800 CSTORM_ID, 0, IGU_INT_NOP, 1);
5801 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5802 XSTORM_ID, 0, IGU_INT_NOP, 1);
5803 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5804 TSTORM_ID, 0, IGU_INT_NOP, 1);
5805 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5806 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5807 } else {
5808 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5809 USTORM_ID, 0, IGU_INT_NOP, 1);
5810 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5811 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5812 }
5813 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5814
5815 /* !!! these should become driver const once
5816 rf-tool supports split-68 const */
5817 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5818 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5819 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5820 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5821 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5822 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5823 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005824 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005825
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005826 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005827 REG_WR(bp, 0x2114, 0xffffffff);
5828 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005829
5830 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5831 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5832 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5833 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5834 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5835 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5836
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005837 if (CHIP_IS_E1x(bp)) {
5838 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5839 main_mem_base = HC_REG_MAIN_MEMORY +
5840 BP_PORT(bp) * (main_mem_size * 4);
5841 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5842 main_mem_width = 8;
5843
5844 val = REG_RD(bp, main_mem_prty_clr);
5845 if (val)
5846 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5847 "block during "
5848 "function init (0x%x)!\n", val);
5849
5850 /* Clear "false" parity errors in MSI-X table */
5851 for (i = main_mem_base;
5852 i < main_mem_base + main_mem_size * 4;
5853 i += main_mem_width) {
5854 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5855 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5856 i, main_mem_width / 4);
5857 }
5858 /* Clear HC parity attention */
5859 REG_RD(bp, main_mem_prty_clr);
5860 }
5861
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005862 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005863
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005864 return 0;
5865}
5866
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005867int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005868{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005869 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005870
5871 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005872 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005873
5874 bp->dmae_ready = 0;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005875 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005876
5877 switch (load_code) {
5878 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005879 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005880 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005881 if (rc)
5882 goto init_hw_err;
5883 /* no break */
5884
5885 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005886 rc = bnx2x_init_hw_port(bp);
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_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005892 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005893 if (rc)
5894 goto init_hw_err;
5895 break;
5896
5897 default:
5898 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5899 break;
5900 }
5901
5902 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005903 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005904
5905 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005906 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005907 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005908 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5909 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005910
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005911init_hw_err:
5912 bnx2x_gunzip_end(bp);
5913
5914 return rc;
5915}
5916
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005917void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005918{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005919 bnx2x_gunzip_end(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005920
5921 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005922 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005923 /* end of fastpath */
5924
5925 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005926 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005927
5928 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005929 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005930
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005931 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5932 bp->context.size);
5933
5934 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5935
5936 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005937
Michael Chan37b091b2009-10-10 13:46:55 +00005938#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005939 if (CHIP_IS_E2(bp))
5940 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5941 sizeof(struct host_hc_status_block_e2));
5942 else
5943 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5944 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005945
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005946 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005947#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005948
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005949 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005950
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005951 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5952 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5953
Tom Herbertab532cf2011-02-16 10:27:02 +00005954 BNX2X_FREE(bp->rx_indir_table);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005955}
5956
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005957
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005958int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005959{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005960 if (bnx2x_gunzip_init(bp))
5961 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005962
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005963#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005964 if (CHIP_IS_E2(bp))
5965 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
5966 sizeof(struct host_hc_status_block_e2));
5967 else
5968 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
5969 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005970
5971 /* allocate searcher T2 table */
5972 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
5973#endif
5974
5975
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005976 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005977 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005978
5979 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5980 sizeof(struct bnx2x_slowpath));
5981
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005982 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005983
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005984 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
5985 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005986
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005987 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005988
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005989 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
5990 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005991
5992 /* Slow path ring */
5993 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5994
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005995 /* EQ */
5996 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
5997 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00005998
5999 BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
6000 TSTORM_INDIRECTION_TABLE_SIZE);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006001
6002 /* fastpath */
6003 /* need to be done at the end, since it's self adjusting to amount
6004 * of memory available for RSS queues
6005 */
6006 if (bnx2x_alloc_fp_mem(bp))
6007 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006008 return 0;
6009
6010alloc_mem_err:
6011 bnx2x_free_mem(bp);
6012 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006013}
6014
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006015/*
6016 * Init service functions
6017 */
stephen hemminger8d962862010-10-21 07:50:56 +00006018static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6019 int *state_p, int flags);
6020
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006021int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006022{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006023 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006024
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006025 /* Wait for completion */
6026 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6027 WAIT_RAMROD_COMMON);
6028}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006029
stephen hemminger8d962862010-10-21 07:50:56 +00006030static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006031{
6032 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006033
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006034 /* Wait for completion */
6035 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6036 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006037}
6038
Michael Chane665bfd2009-10-10 13:46:54 +00006039/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006040 * bnx2x_set_mac_addr_gen - set a MAC in a CAM for a few L2 Clients for E1x chips
Michael Chane665bfd2009-10-10 13:46:54 +00006041 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006042 * @bp: driver handle
6043 * @set: set or clear an entry (1 or 0)
6044 * @mac: pointer to a buffer containing a MAC
6045 * @cl_bit_vec: bit vector of clients to register a MAC for
6046 * @cam_offset: offset in a CAM to use
6047 * @is_bcast: is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006048 */
Joe Perches215faf92010-12-21 02:16:10 -08006049static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006050 u32 cl_bit_vec, u8 cam_offset,
6051 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006052{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006053 struct mac_configuration_cmd *config =
6054 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6055 int ramrod_flags = WAIT_RAMROD_COMMON;
6056
6057 bp->set_mac_pending = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006058
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006059 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006060 config->hdr.offset = cam_offset;
6061 config->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006062 /* Mark the single MAC configuration ramrod as opposed to a
6063 * UC/MC list configuration).
6064 */
6065 config->hdr.echo = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006066
6067 /* primary MAC */
6068 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006069 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006070 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006071 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006072 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006073 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006074 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006075 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006076 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006077 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006078 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006079 SET_FLAG(config->config_table[0].flags,
6080 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6081 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006082 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006083 SET_FLAG(config->config_table[0].flags,
6084 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6085 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006086
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006087 if (is_bcast)
6088 SET_FLAG(config->config_table[0].flags,
6089 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6090
6091 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006092 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006093 config->config_table[0].msb_mac_addr,
6094 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006095 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006096
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006097 mb();
6098
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006099 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006100 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006101 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6102
6103 /* Wait for a completion */
6104 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006105}
6106
stephen hemminger8d962862010-10-21 07:50:56 +00006107static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6108 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006109{
6110 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006111 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006112 u8 poll = flags & WAIT_RAMROD_POLL;
6113 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006114
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006115 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6116 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006117
6118 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006119 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006120 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006121 if (common)
6122 bnx2x_eq_int(bp);
6123 else {
6124 bnx2x_rx_int(bp->fp, 10);
6125 /* if index is different from 0
6126 * the reply for some commands will
6127 * be on the non default queue
6128 */
6129 if (idx)
6130 bnx2x_rx_int(&bp->fp[idx], 10);
6131 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006132 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006133
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006134 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006135 if (*state_p == state) {
6136#ifdef BNX2X_STOP_ON_ERROR
6137 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6138#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006139 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006140 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006141
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006142 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006143
6144 if (bp->panic)
6145 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006146 }
6147
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006148 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006149 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6150 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006151#ifdef BNX2X_STOP_ON_ERROR
6152 bnx2x_panic();
6153#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006154
Eliezer Tamir49d66772008-02-28 11:53:13 -08006155 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006156}
6157
stephen hemminger8d962862010-10-21 07:50:56 +00006158static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006159{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006160 if (CHIP_IS_E1H(bp))
6161 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6162 else if (CHIP_MODE_IS_4_PORT(bp))
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006163 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006164 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006165 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
Michael Chane665bfd2009-10-10 13:46:54 +00006166}
6167
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006168/**
6169 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6170 * relevant. In addition, current implementation is tuned for a
6171 * single ETH MAC.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006172 */
6173enum {
6174 LLH_CAM_ISCSI_ETH_LINE = 0,
6175 LLH_CAM_ETH_LINE,
6176 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6177};
6178
6179static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6180 int set,
6181 unsigned char *dev_addr,
6182 int index)
6183{
6184 u32 wb_data[2];
6185 u32 mem_offset, ena_offset, mem_index;
6186 /**
6187 * indexes mapping:
6188 * 0..7 - goes to MEM
6189 * 8..15 - goes to MEM2
6190 */
6191
6192 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6193 return;
6194
6195 /* calculate memory start offset according to the mapping
6196 * and index in the memory */
6197 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6198 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6199 NIG_REG_LLH0_FUNC_MEM;
6200 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6201 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6202 mem_index = index;
6203 } else {
6204 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6205 NIG_REG_P0_LLH_FUNC_MEM2;
6206 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6207 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6208 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6209 }
6210
6211 if (set) {
6212 /* LLH_FUNC_MEM is a u64 WB register */
6213 mem_offset += 8*mem_index;
6214
6215 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6216 (dev_addr[4] << 8) | dev_addr[5]);
6217 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6218
6219 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6220 }
6221
6222 /* enable/disable the entry */
6223 REG_WR(bp, ena_offset + 4*mem_index, set);
6224
6225}
6226
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006227void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006228{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006229 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6230 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6231
6232 /* networking MAC */
6233 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6234 (1 << bp->fp->cl_id), cam_offset , 0);
6235
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006236 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6237
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006238 if (CHIP_IS_E1(bp)) {
6239 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006240 static const u8 bcast[ETH_ALEN] = {
6241 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6242 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006243 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6244 }
6245}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006246
6247static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6248{
6249 return CHIP_REV_IS_SLOW(bp) ?
6250 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6251 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6252}
6253
6254/* set mc list, do not wait as wait implies sleep and
6255 * set_rx_mode can be invoked from non-sleepable context.
6256 *
6257 * Instead we use the same ramrod data buffer each time we need
6258 * to configure a list of addresses, and use the fact that the
6259 * list of MACs is changed in an incremental way and that the
6260 * function is called under the netif_addr_lock. A temporary
6261 * inconsistent CAM configuration (possible in case of a very fast
6262 * sequence of add/del/add on the host side) will shortly be
6263 * restored by the handler of the last ramrod.
6264 */
6265static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006266{
6267 int i = 0, old;
6268 struct net_device *dev = bp->dev;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006269 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006270 struct netdev_hw_addr *ha;
6271 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6272 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6273
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006274 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6275 return -EINVAL;
6276
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006277 netdev_for_each_mc_addr(ha, dev) {
6278 /* copy mac */
6279 config_cmd->config_table[i].msb_mac_addr =
6280 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6281 config_cmd->config_table[i].middle_mac_addr =
6282 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6283 config_cmd->config_table[i].lsb_mac_addr =
6284 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6285
6286 config_cmd->config_table[i].vlan_id = 0;
6287 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6288 config_cmd->config_table[i].clients_bit_vector =
6289 cpu_to_le32(1 << BP_L_ID(bp));
6290
6291 SET_FLAG(config_cmd->config_table[i].flags,
6292 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6293 T_ETH_MAC_COMMAND_SET);
6294
6295 DP(NETIF_MSG_IFUP,
6296 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6297 config_cmd->config_table[i].msb_mac_addr,
6298 config_cmd->config_table[i].middle_mac_addr,
6299 config_cmd->config_table[i].lsb_mac_addr);
6300 i++;
6301 }
6302 old = config_cmd->hdr.length;
6303 if (old > i) {
6304 for (; i < old; i++) {
6305 if (CAM_IS_INVALID(config_cmd->
6306 config_table[i])) {
6307 /* already invalidated */
6308 break;
6309 }
6310 /* invalidate */
6311 SET_FLAG(config_cmd->config_table[i].flags,
6312 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6313 T_ETH_MAC_COMMAND_INVALIDATE);
6314 }
6315 }
6316
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006317 wmb();
6318
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006319 config_cmd->hdr.length = i;
6320 config_cmd->hdr.offset = offset;
6321 config_cmd->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006322 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6323 * synchronization.
6324 */
6325 config_cmd->hdr.echo = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006326
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006327 mb();
Michael Chane665bfd2009-10-10 13:46:54 +00006328
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006329 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006330 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6331}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006332
6333void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006334{
6335 int i;
6336 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6337 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6338 int ramrod_flags = WAIT_RAMROD_COMMON;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006339 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006340
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006341 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006342 SET_FLAG(config_cmd->config_table[i].flags,
6343 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6344 T_ETH_MAC_COMMAND_INVALIDATE);
6345
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006346 wmb();
6347
6348 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6349 config_cmd->hdr.offset = offset;
6350 config_cmd->hdr.client_id = 0xff;
6351 /* We'll wait for a completion this time... */
6352 config_cmd->hdr.echo = 1;
6353
6354 bp->set_mac_pending = 1;
6355
6356 mb();
6357
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006358 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6359 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006360
6361 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006362 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6363 ramrod_flags);
6364
Michael Chane665bfd2009-10-10 13:46:54 +00006365}
6366
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006367/* Accept one or more multicasts */
6368static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6369{
6370 struct net_device *dev = bp->dev;
6371 struct netdev_hw_addr *ha;
6372 u32 mc_filter[MC_HASH_SIZE];
6373 u32 crc, bit, regidx;
6374 int i;
6375
6376 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6377
6378 netdev_for_each_mc_addr(ha, dev) {
6379 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6380 bnx2x_mc_addr(ha));
6381
6382 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6383 ETH_ALEN);
6384 bit = (crc >> 24) & 0xff;
6385 regidx = bit >> 5;
6386 bit &= 0x1f;
6387 mc_filter[regidx] |= (1 << bit);
6388 }
6389
6390 for (i = 0; i < MC_HASH_SIZE; i++)
6391 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6392 mc_filter[i]);
6393
6394 return 0;
6395}
6396
6397void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6398{
6399 int i;
6400
6401 for (i = 0; i < MC_HASH_SIZE; i++)
6402 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6403}
6404
Michael Chan993ac7b2009-10-10 13:46:56 +00006405#ifdef BCM_CNIC
6406/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006407 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
Michael Chan993ac7b2009-10-10 13:46:56 +00006408 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006409 * @bp: driver handle
6410 * @set: set or clear the CAM entry
Michael Chan993ac7b2009-10-10 13:46:56 +00006411 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006412 * This function will wait until the ramdord completion returns.
6413 * Return 0 if success, -ENODEV if ramrod doesn't return.
Michael Chan993ac7b2009-10-10 13:46:56 +00006414 */
stephen hemminger8d962862010-10-21 07:50:56 +00006415static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006416{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006417 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6418 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006419 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6420 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006421 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006422 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006423
6424 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006425 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006426 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006427
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006428 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006429
6430 return 0;
6431}
6432
6433/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006434 * bnx2x_set_fip_eth_mac_addr - set FCoE L2 MAC(s)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006435 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006436 * @bp: driver handle
6437 * @set: set or clear the CAM entry
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006438 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006439 * This function will wait until the ramrod completion returns.
6440 * Returns 0 if success, -ENODEV if ramrod doesn't return.
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006441 */
6442int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6443{
6444 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6445 /**
6446 * CAM allocation for E1H
6447 * eth unicasts: by func number
6448 * iscsi: by func number
6449 * fip unicast: by func number
6450 * fip multicast: by func number
6451 */
6452 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6453 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6454
6455 return 0;
6456}
6457
6458int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6459{
6460 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6461
6462 /**
6463 * CAM allocation for E1H
6464 * eth unicasts: by func number
6465 * iscsi: by func number
6466 * fip unicast: by func number
6467 * fip multicast: by func number
6468 */
6469 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6470 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6471
Michael Chan993ac7b2009-10-10 13:46:56 +00006472 return 0;
6473}
6474#endif
6475
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006476static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6477 struct bnx2x_client_init_params *params,
6478 u8 activate,
6479 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006480{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006481 /* Clear the buffer */
6482 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006483
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006484 /* general */
6485 data->general.client_id = params->rxq_params.cl_id;
6486 data->general.statistics_counter_id = params->rxq_params.stat_id;
6487 data->general.statistics_en_flg =
6488 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006489 data->general.is_fcoe_flg =
6490 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006491 data->general.activate_flg = activate;
6492 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006493
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006494 /* Rx data */
6495 data->rx.tpa_en_flg =
6496 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6497 data->rx.vmqueue_mode_en_flg = 0;
6498 data->rx.cache_line_alignment_log_size =
6499 params->rxq_params.cache_line_log;
6500 data->rx.enable_dynamic_hc =
6501 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6502 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6503 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6504 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6505
6506 /* We don't set drop flags */
6507 data->rx.drop_ip_cs_err_flg = 0;
6508 data->rx.drop_tcp_cs_err_flg = 0;
6509 data->rx.drop_ttl0_flg = 0;
6510 data->rx.drop_udp_cs_err_flg = 0;
6511
6512 data->rx.inner_vlan_removal_enable_flg =
6513 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6514 data->rx.outer_vlan_removal_enable_flg =
6515 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6516 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6517 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6518 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6519 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6520 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6521 data->rx.bd_page_base.lo =
6522 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6523 data->rx.bd_page_base.hi =
6524 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6525 data->rx.sge_page_base.lo =
6526 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6527 data->rx.sge_page_base.hi =
6528 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6529 data->rx.cqe_page_base.lo =
6530 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6531 data->rx.cqe_page_base.hi =
6532 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6533 data->rx.is_leading_rss =
6534 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6535 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6536
6537 /* Tx data */
6538 data->tx.enforce_security_flg = 0; /* VF specific */
6539 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6540 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6541 data->tx.mtu = 0; /* VF specific */
6542 data->tx.tx_bd_page_base.lo =
6543 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6544 data->tx.tx_bd_page_base.hi =
6545 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6546
6547 /* flow control data */
6548 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6549 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6550 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6551 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6552 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6553 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6554 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6555
6556 data->fc.safc_group_num = params->txq_params.cos;
6557 data->fc.safc_group_en_flg =
6558 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006559 data->fc.traffic_type =
6560 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6561 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006562}
6563
6564static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6565{
6566 /* ustorm cxt validation */
6567 cxt->ustorm_ag_context.cdu_usage =
6568 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6569 ETH_CONNECTION_TYPE);
6570 /* xcontext validation */
6571 cxt->xstorm_ag_context.cdu_reserved =
6572 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6573 ETH_CONNECTION_TYPE);
6574}
6575
stephen hemminger8d962862010-10-21 07:50:56 +00006576static int bnx2x_setup_fw_client(struct bnx2x *bp,
6577 struct bnx2x_client_init_params *params,
6578 u8 activate,
6579 struct client_init_ramrod_data *data,
6580 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006581{
6582 u16 hc_usec;
6583 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6584 int ramrod_flags = 0, rc;
6585
6586 /* HC and context validation values */
6587 hc_usec = params->txq_params.hc_rate ?
6588 1000000 / params->txq_params.hc_rate : 0;
6589 bnx2x_update_coalesce_sb_index(bp,
6590 params->txq_params.fw_sb_id,
6591 params->txq_params.sb_cq_index,
6592 !(params->txq_params.flags & QUEUE_FLG_HC),
6593 hc_usec);
6594
6595 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6596
6597 hc_usec = params->rxq_params.hc_rate ?
6598 1000000 / params->rxq_params.hc_rate : 0;
6599 bnx2x_update_coalesce_sb_index(bp,
6600 params->rxq_params.fw_sb_id,
6601 params->rxq_params.sb_cq_index,
6602 !(params->rxq_params.flags & QUEUE_FLG_HC),
6603 hc_usec);
6604
6605 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6606 params->rxq_params.cid);
6607
6608 /* zero stats */
6609 if (params->txq_params.flags & QUEUE_FLG_STATS)
6610 storm_memset_xstats_zero(bp, BP_PORT(bp),
6611 params->txq_params.stat_id);
6612
6613 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6614 storm_memset_ustats_zero(bp, BP_PORT(bp),
6615 params->rxq_params.stat_id);
6616 storm_memset_tstats_zero(bp, BP_PORT(bp),
6617 params->rxq_params.stat_id);
6618 }
6619
6620 /* Fill the ramrod data */
6621 bnx2x_fill_cl_init_data(bp, params, activate, data);
6622
6623 /* SETUP ramrod.
6624 *
6625 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6626 * barrier except from mmiowb() is needed to impose a
6627 * proper ordering of memory operations.
6628 */
6629 mmiowb();
6630
6631
6632 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6633 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006634
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006635 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006636 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6637 params->ramrod_params.index,
6638 params->ramrod_params.pstate,
6639 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006640 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006641}
6642
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006643/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006644 * bnx2x_set_int_mode - configure interrupt mode
6645 *
6646 * @bp: driver handle
6647 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006648 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006649 */
6650static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006651{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006652 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006653
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006654 switch (bp->int_mode) {
6655 case INT_MODE_MSI:
6656 bnx2x_enable_msi(bp);
6657 /* falling through... */
6658 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006659 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006660 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006661 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006662 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006663 /* Set number of queues according to bp->multi_mode value */
6664 bnx2x_set_num_queues(bp);
6665
6666 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6667 bp->num_queues);
6668
6669 /* if we can't use MSI-X we only need one fp,
6670 * so try to enable MSI-X with the requested number of fp's
6671 * and fallback to MSI or legacy INTx with one fp
6672 */
6673 rc = bnx2x_enable_msix(bp);
6674 if (rc) {
6675 /* failed to enable MSI-X */
6676 if (bp->multi_mode)
6677 DP(NETIF_MSG_IFUP,
6678 "Multi requested but failed to "
6679 "enable MSI-X (%d), "
6680 "set number of queues to %d\n",
6681 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006682 1 + NONE_ETH_CONTEXT_USE);
6683 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006684
6685 if (!(bp->flags & DISABLE_MSI_FLAG))
6686 bnx2x_enable_msi(bp);
6687 }
6688
Eilon Greensteinca003922009-08-12 22:53:28 -07006689 break;
6690 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006691
6692 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006693}
6694
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006695/* must be called prioir to any HW initializations */
6696static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6697{
6698 return L2_ILT_LINES(bp);
6699}
6700
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006701void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006702{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006703 struct ilt_client_info *ilt_client;
6704 struct bnx2x_ilt *ilt = BP_ILT(bp);
6705 u16 line = 0;
6706
6707 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6708 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6709
6710 /* CDU */
6711 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6712 ilt_client->client_num = ILT_CLIENT_CDU;
6713 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6714 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6715 ilt_client->start = line;
6716 line += L2_ILT_LINES(bp);
6717#ifdef BCM_CNIC
6718 line += CNIC_ILT_LINES;
6719#endif
6720 ilt_client->end = line - 1;
6721
6722 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6723 "flags 0x%x, hw psz %d\n",
6724 ilt_client->start,
6725 ilt_client->end,
6726 ilt_client->page_size,
6727 ilt_client->flags,
6728 ilog2(ilt_client->page_size >> 12));
6729
6730 /* QM */
6731 if (QM_INIT(bp->qm_cid_count)) {
6732 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6733 ilt_client->client_num = ILT_CLIENT_QM;
6734 ilt_client->page_size = QM_ILT_PAGE_SZ;
6735 ilt_client->flags = 0;
6736 ilt_client->start = line;
6737
6738 /* 4 bytes for each cid */
6739 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6740 QM_ILT_PAGE_SZ);
6741
6742 ilt_client->end = line - 1;
6743
6744 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6745 "flags 0x%x, hw psz %d\n",
6746 ilt_client->start,
6747 ilt_client->end,
6748 ilt_client->page_size,
6749 ilt_client->flags,
6750 ilog2(ilt_client->page_size >> 12));
6751
6752 }
6753 /* SRC */
6754 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6755#ifdef BCM_CNIC
6756 ilt_client->client_num = ILT_CLIENT_SRC;
6757 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6758 ilt_client->flags = 0;
6759 ilt_client->start = line;
6760 line += SRC_ILT_LINES;
6761 ilt_client->end = line - 1;
6762
6763 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6764 "flags 0x%x, hw psz %d\n",
6765 ilt_client->start,
6766 ilt_client->end,
6767 ilt_client->page_size,
6768 ilt_client->flags,
6769 ilog2(ilt_client->page_size >> 12));
6770
6771#else
6772 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6773#endif
6774
6775 /* TM */
6776 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6777#ifdef BCM_CNIC
6778 ilt_client->client_num = ILT_CLIENT_TM;
6779 ilt_client->page_size = TM_ILT_PAGE_SZ;
6780 ilt_client->flags = 0;
6781 ilt_client->start = line;
6782 line += TM_ILT_LINES;
6783 ilt_client->end = line - 1;
6784
6785 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6786 "flags 0x%x, hw psz %d\n",
6787 ilt_client->start,
6788 ilt_client->end,
6789 ilt_client->page_size,
6790 ilt_client->flags,
6791 ilog2(ilt_client->page_size >> 12));
6792
6793#else
6794 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6795#endif
6796}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006797
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006798int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6799 int is_leading)
6800{
6801 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006802 int rc;
6803
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006804 /* reset IGU state skip FCoE L2 queue */
6805 if (!IS_FCOE_FP(fp))
6806 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006807 IGU_INT_ENABLE, 0);
6808
6809 params.ramrod_params.pstate = &fp->state;
6810 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6811 params.ramrod_params.index = fp->index;
6812 params.ramrod_params.cid = fp->cid;
6813
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006814#ifdef BCM_CNIC
6815 if (IS_FCOE_FP(fp))
6816 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6817
6818#endif
6819
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006820 if (is_leading)
6821 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6822
6823 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6824
6825 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6826
6827 rc = bnx2x_setup_fw_client(bp, &params, 1,
6828 bnx2x_sp(bp, client_init_data),
6829 bnx2x_sp_mapping(bp, client_init_data));
6830 return rc;
6831}
6832
stephen hemminger8d962862010-10-21 07:50:56 +00006833static int bnx2x_stop_fw_client(struct bnx2x *bp,
6834 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006835{
6836 int rc;
6837
6838 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6839
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006840 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006841 *p->pstate = BNX2X_FP_STATE_HALTING;
6842 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6843 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006844
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006845 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006846 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6847 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006848 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006849 return rc;
6850
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006851 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6852 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6853 p->cl_id, 0);
6854 /* Wait for completion */
6855 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6856 p->pstate, poll_flag);
6857 if (rc) /* timeout */
6858 return rc;
6859
6860
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006861 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006862 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006863
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006864 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006865 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6866 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006867 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006868}
6869
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006870static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006871{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006872 struct bnx2x_client_ramrod_params client_stop = {0};
6873 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006874
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006875 client_stop.index = index;
6876 client_stop.cid = fp->cid;
6877 client_stop.cl_id = fp->cl_id;
6878 client_stop.pstate = &(fp->state);
6879 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006880
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006881 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006882}
6883
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006884
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006885static void bnx2x_reset_func(struct bnx2x *bp)
6886{
6887 int port = BP_PORT(bp);
6888 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006889 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006890 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006891 (CHIP_IS_E2(bp) ?
6892 offsetof(struct hc_status_block_data_e2, common) :
6893 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006894 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6895 int pfid_offset = offsetof(struct pci_entity, pf_id);
6896
6897 /* Disable the function in the FW */
6898 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6899 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6900 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6901 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6902
6903 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006904 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006905 struct bnx2x_fastpath *fp = &bp->fp[i];
6906 REG_WR8(bp,
6907 BAR_CSTRORM_INTMEM +
6908 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6909 + pfunc_offset_fp + pfid_offset,
6910 HC_FUNCTION_DISABLED);
6911 }
6912
6913 /* SP SB */
6914 REG_WR8(bp,
6915 BAR_CSTRORM_INTMEM +
6916 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6917 pfunc_offset_sp + pfid_offset,
6918 HC_FUNCTION_DISABLED);
6919
6920
6921 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6922 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6923 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006924
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006925 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006926 if (bp->common.int_block == INT_BLOCK_HC) {
6927 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6928 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6929 } else {
6930 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6931 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6932 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006933
Michael Chan37b091b2009-10-10 13:46:55 +00006934#ifdef BCM_CNIC
6935 /* Disable Timer scan */
6936 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6937 /*
6938 * Wait for at least 10ms and up to 2 second for the timers scan to
6939 * complete
6940 */
6941 for (i = 0; i < 200; i++) {
6942 msleep(10);
6943 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6944 break;
6945 }
6946#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006947 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006948 bnx2x_clear_func_ilt(bp, func);
6949
6950 /* Timers workaround bug for E2: if this is vnic-3,
6951 * we need to set the entire ilt range for this timers.
6952 */
6953 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6954 struct ilt_client_info ilt_cli;
6955 /* use dummy TM client */
6956 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6957 ilt_cli.start = 0;
6958 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6959 ilt_cli.client_num = ILT_CLIENT_TM;
6960
6961 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6962 }
6963
6964 /* this assumes that reset_port() called before reset_func()*/
6965 if (CHIP_IS_E2(bp))
6966 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006967
6968 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006969}
6970
6971static void bnx2x_reset_port(struct bnx2x *bp)
6972{
6973 int port = BP_PORT(bp);
6974 u32 val;
6975
6976 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6977
6978 /* Do not rcv packets to BRB */
6979 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6980 /* Do not direct rcv packets that are not for MCP to the BRB */
6981 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6982 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6983
6984 /* Configure AEU */
6985 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6986
6987 msleep(100);
6988 /* Check for BRB port occupancy */
6989 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6990 if (val)
6991 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006992 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006993
6994 /* TODO: Close Doorbell port? */
6995}
6996
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006997static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6998{
6999 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007000 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007001
7002 switch (reset_code) {
7003 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7004 bnx2x_reset_port(bp);
7005 bnx2x_reset_func(bp);
7006 bnx2x_reset_common(bp);
7007 break;
7008
7009 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7010 bnx2x_reset_port(bp);
7011 bnx2x_reset_func(bp);
7012 break;
7013
7014 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7015 bnx2x_reset_func(bp);
7016 break;
7017
7018 default:
7019 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7020 break;
7021 }
7022}
7023
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007024#ifdef BCM_CNIC
7025static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7026{
7027 if (bp->flags & FCOE_MACS_SET) {
7028 if (!IS_MF_SD(bp))
7029 bnx2x_set_fip_eth_mac_addr(bp, 0);
7030
7031 bnx2x_set_all_enode_macs(bp, 0);
7032
7033 bp->flags &= ~FCOE_MACS_SET;
7034 }
7035}
7036#endif
7037
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007038void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007039{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007040 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007041 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007042 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007043
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007044 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007045 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007046 struct bnx2x_fastpath *fp = &bp->fp[i];
7047
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007048 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007049 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007050
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007051 if (!cnt) {
7052 BNX2X_ERR("timeout waiting for queue[%d]\n",
7053 i);
7054#ifdef BNX2X_STOP_ON_ERROR
7055 bnx2x_panic();
7056 return -EBUSY;
7057#else
7058 break;
7059#endif
7060 }
7061 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007062 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007063 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007064 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007065 /* Give HW time to discard old tx messages */
7066 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007067
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007068 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007069
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007070 bnx2x_invalidate_uc_list(bp);
7071
7072 if (CHIP_IS_E1(bp))
7073 bnx2x_invalidate_e1_mc_list(bp);
7074 else {
7075 bnx2x_invalidate_e1h_mc_list(bp);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007076 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007077 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007078
Michael Chan993ac7b2009-10-10 13:46:56 +00007079#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007080 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007081#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007082
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007083 if (unload_mode == UNLOAD_NORMAL)
7084 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007085
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007086 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007087 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007088
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007089 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007090 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007091 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007092 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007093 /* The mac address is written to entries 1-4 to
7094 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007095 u8 entry = (BP_E1HVN(bp) + 1)*8;
7096
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007097 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007098 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007099
7100 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7101 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007102 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007103
7104 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007105
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007106 } else
7107 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7108
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007109 /* Close multi and leading connections
7110 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007111 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007112
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007113 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007114#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007115 return;
7116#else
7117 goto unload_error;
7118#endif
7119
7120 rc = bnx2x_func_stop(bp);
7121 if (rc) {
7122 BNX2X_ERR("Function stop failed!\n");
7123#ifdef BNX2X_STOP_ON_ERROR
7124 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007125#else
7126 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007127#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007128 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007129#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007130unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007131#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007132 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007133 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007134 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007135 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7136 "%d, %d, %d\n", BP_PATH(bp),
7137 load_count[BP_PATH(bp)][0],
7138 load_count[BP_PATH(bp)][1],
7139 load_count[BP_PATH(bp)][2]);
7140 load_count[BP_PATH(bp)][0]--;
7141 load_count[BP_PATH(bp)][1 + port]--;
7142 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7143 "%d, %d, %d\n", BP_PATH(bp),
7144 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7145 load_count[BP_PATH(bp)][2]);
7146 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007147 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007148 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007149 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7150 else
7151 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7152 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007153
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007154 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7155 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7156 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007157
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007158 /* Disable HW interrupts, NAPI */
7159 bnx2x_netif_stop(bp, 1);
7160
7161 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007162 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007163
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007164 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007165 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007166
7167 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007168 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007169 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007170
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007171}
7172
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007173void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007174{
7175 u32 val;
7176
7177 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7178
7179 if (CHIP_IS_E1(bp)) {
7180 int port = BP_PORT(bp);
7181 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7182 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7183
7184 val = REG_RD(bp, addr);
7185 val &= ~(0x300);
7186 REG_WR(bp, addr, val);
7187 } else if (CHIP_IS_E1H(bp)) {
7188 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7189 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7190 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7191 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7192 }
7193}
7194
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007195/* Close gates #2, #3 and #4: */
7196static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7197{
7198 u32 val, addr;
7199
7200 /* Gates #2 and #4a are closed/opened for "not E1" only */
7201 if (!CHIP_IS_E1(bp)) {
7202 /* #4 */
7203 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7204 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7205 close ? (val | 0x1) : (val & (~(u32)1)));
7206 /* #2 */
7207 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7208 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7209 close ? (val | 0x1) : (val & (~(u32)1)));
7210 }
7211
7212 /* #3 */
7213 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7214 val = REG_RD(bp, addr);
7215 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7216
7217 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7218 close ? "closing" : "opening");
7219 mmiowb();
7220}
7221
7222#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7223
7224static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7225{
7226 /* Do some magic... */
7227 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7228 *magic_val = val & SHARED_MF_CLP_MAGIC;
7229 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7230}
7231
Dmitry Kravkove8920672011-05-04 23:52:40 +00007232/**
7233 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007234 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007235 * @bp: driver handle
7236 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007237 */
7238static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7239{
7240 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007241 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7242 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7243 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7244}
7245
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007246/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007247 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007248 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007249 * @bp: driver handle
7250 * @magic_val: old value of 'magic' bit.
7251 *
7252 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007253 */
7254static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7255{
7256 u32 shmem;
7257 u32 validity_offset;
7258
7259 DP(NETIF_MSG_HW, "Starting\n");
7260
7261 /* Set `magic' bit in order to save MF config */
7262 if (!CHIP_IS_E1(bp))
7263 bnx2x_clp_reset_prep(bp, magic_val);
7264
7265 /* Get shmem offset */
7266 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7267 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7268
7269 /* Clear validity map flags */
7270 if (shmem > 0)
7271 REG_WR(bp, shmem + validity_offset, 0);
7272}
7273
7274#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7275#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7276
Dmitry Kravkove8920672011-05-04 23:52:40 +00007277/**
7278 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007279 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007280 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007281 */
7282static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7283{
7284 /* special handling for emulation and FPGA,
7285 wait 10 times longer */
7286 if (CHIP_REV_IS_SLOW(bp))
7287 msleep(MCP_ONE_TIMEOUT*10);
7288 else
7289 msleep(MCP_ONE_TIMEOUT);
7290}
7291
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007292/*
7293 * initializes bp->common.shmem_base and waits for validity signature to appear
7294 */
7295static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007296{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007297 int cnt = 0;
7298 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007299
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007300 do {
7301 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7302 if (bp->common.shmem_base) {
7303 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7304 if (val & SHR_MEM_VALIDITY_MB)
7305 return 0;
7306 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007307
7308 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007309
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007310 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007311
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007312 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007313
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007314 return -ENODEV;
7315}
7316
7317static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7318{
7319 int rc = bnx2x_init_shmem(bp);
7320
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007321 /* Restore the `magic' bit value */
7322 if (!CHIP_IS_E1(bp))
7323 bnx2x_clp_reset_done(bp, magic_val);
7324
7325 return rc;
7326}
7327
7328static void bnx2x_pxp_prep(struct bnx2x *bp)
7329{
7330 if (!CHIP_IS_E1(bp)) {
7331 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7332 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7333 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7334 mmiowb();
7335 }
7336}
7337
7338/*
7339 * Reset the whole chip except for:
7340 * - PCIE core
7341 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7342 * one reset bit)
7343 * - IGU
7344 * - MISC (including AEU)
7345 * - GRC
7346 * - RBCN, RBCP
7347 */
7348static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7349{
7350 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7351
7352 not_reset_mask1 =
7353 MISC_REGISTERS_RESET_REG_1_RST_HC |
7354 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7355 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7356
7357 not_reset_mask2 =
7358 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7359 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7360 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7361 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7362 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7363 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7364 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7365 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7366
7367 reset_mask1 = 0xffffffff;
7368
7369 if (CHIP_IS_E1(bp))
7370 reset_mask2 = 0xffff;
7371 else
7372 reset_mask2 = 0x1ffff;
7373
7374 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7375 reset_mask1 & (~not_reset_mask1));
7376 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7377 reset_mask2 & (~not_reset_mask2));
7378
7379 barrier();
7380 mmiowb();
7381
7382 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7383 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7384 mmiowb();
7385}
7386
7387static int bnx2x_process_kill(struct bnx2x *bp)
7388{
7389 int cnt = 1000;
7390 u32 val = 0;
7391 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7392
7393
7394 /* Empty the Tetris buffer, wait for 1s */
7395 do {
7396 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7397 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7398 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7399 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7400 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7401 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7402 ((port_is_idle_0 & 0x1) == 0x1) &&
7403 ((port_is_idle_1 & 0x1) == 0x1) &&
7404 (pgl_exp_rom2 == 0xffffffff))
7405 break;
7406 msleep(1);
7407 } while (cnt-- > 0);
7408
7409 if (cnt <= 0) {
7410 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7411 " are still"
7412 " outstanding read requests after 1s!\n");
7413 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7414 " port_is_idle_0=0x%08x,"
7415 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7416 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7417 pgl_exp_rom2);
7418 return -EAGAIN;
7419 }
7420
7421 barrier();
7422
7423 /* Close gates #2, #3 and #4 */
7424 bnx2x_set_234_gates(bp, true);
7425
7426 /* TBD: Indicate that "process kill" is in progress to MCP */
7427
7428 /* Clear "unprepared" bit */
7429 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7430 barrier();
7431
7432 /* Make sure all is written to the chip before the reset */
7433 mmiowb();
7434
7435 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7436 * PSWHST, GRC and PSWRD Tetris buffer.
7437 */
7438 msleep(1);
7439
7440 /* Prepare to chip reset: */
7441 /* MCP */
7442 bnx2x_reset_mcp_prep(bp, &val);
7443
7444 /* PXP */
7445 bnx2x_pxp_prep(bp);
7446 barrier();
7447
7448 /* reset the chip */
7449 bnx2x_process_kill_chip_reset(bp);
7450 barrier();
7451
7452 /* Recover after reset: */
7453 /* MCP */
7454 if (bnx2x_reset_mcp_comp(bp, val))
7455 return -EAGAIN;
7456
7457 /* PXP */
7458 bnx2x_pxp_prep(bp);
7459
7460 /* Open the gates #2, #3 and #4 */
7461 bnx2x_set_234_gates(bp, false);
7462
7463 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7464 * reset state, re-enable attentions. */
7465
7466 return 0;
7467}
7468
7469static int bnx2x_leader_reset(struct bnx2x *bp)
7470{
7471 int rc = 0;
7472 /* Try to recover after the failure */
7473 if (bnx2x_process_kill(bp)) {
7474 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7475 bp->dev->name);
7476 rc = -EAGAIN;
7477 goto exit_leader_reset;
7478 }
7479
7480 /* Clear "reset is in progress" bit and update the driver state */
7481 bnx2x_set_reset_done(bp);
7482 bp->recovery_state = BNX2X_RECOVERY_DONE;
7483
7484exit_leader_reset:
7485 bp->is_leader = 0;
7486 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7487 smp_wmb();
7488 return rc;
7489}
7490
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007491/* Assumption: runs under rtnl lock. This together with the fact
7492 * that it's called only from bnx2x_reset_task() ensure that it
7493 * will never be called when netif_running(bp->dev) is false.
7494 */
7495static void bnx2x_parity_recover(struct bnx2x *bp)
7496{
7497 DP(NETIF_MSG_HW, "Handling parity\n");
7498 while (1) {
7499 switch (bp->recovery_state) {
7500 case BNX2X_RECOVERY_INIT:
7501 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7502 /* Try to get a LEADER_LOCK HW lock */
7503 if (bnx2x_trylock_hw_lock(bp,
7504 HW_LOCK_RESOURCE_RESERVED_08))
7505 bp->is_leader = 1;
7506
7507 /* Stop the driver */
7508 /* If interface has been removed - break */
7509 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7510 return;
7511
7512 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7513 /* Ensure "is_leader" and "recovery_state"
7514 * update values are seen on other CPUs
7515 */
7516 smp_wmb();
7517 break;
7518
7519 case BNX2X_RECOVERY_WAIT:
7520 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7521 if (bp->is_leader) {
7522 u32 load_counter = bnx2x_get_load_cnt(bp);
7523 if (load_counter) {
7524 /* Wait until all other functions get
7525 * down.
7526 */
7527 schedule_delayed_work(&bp->reset_task,
7528 HZ/10);
7529 return;
7530 } else {
7531 /* If all other functions got down -
7532 * try to bring the chip back to
7533 * normal. In any case it's an exit
7534 * point for a leader.
7535 */
7536 if (bnx2x_leader_reset(bp) ||
7537 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7538 printk(KERN_ERR"%s: Recovery "
7539 "has failed. Power cycle is "
7540 "needed.\n", bp->dev->name);
7541 /* Disconnect this device */
7542 netif_device_detach(bp->dev);
7543 /* Block ifup for all function
7544 * of this ASIC until
7545 * "process kill" or power
7546 * cycle.
7547 */
7548 bnx2x_set_reset_in_progress(bp);
7549 /* Shut down the power */
7550 bnx2x_set_power_state(bp,
7551 PCI_D3hot);
7552 return;
7553 }
7554
7555 return;
7556 }
7557 } else { /* non-leader */
7558 if (!bnx2x_reset_is_done(bp)) {
7559 /* Try to get a LEADER_LOCK HW lock as
7560 * long as a former leader may have
7561 * been unloaded by the user or
7562 * released a leadership by another
7563 * reason.
7564 */
7565 if (bnx2x_trylock_hw_lock(bp,
7566 HW_LOCK_RESOURCE_RESERVED_08)) {
7567 /* I'm a leader now! Restart a
7568 * switch case.
7569 */
7570 bp->is_leader = 1;
7571 break;
7572 }
7573
7574 schedule_delayed_work(&bp->reset_task,
7575 HZ/10);
7576 return;
7577
7578 } else { /* A leader has completed
7579 * the "process kill". It's an exit
7580 * point for a non-leader.
7581 */
7582 bnx2x_nic_load(bp, LOAD_NORMAL);
7583 bp->recovery_state =
7584 BNX2X_RECOVERY_DONE;
7585 smp_wmb();
7586 return;
7587 }
7588 }
7589 default:
7590 return;
7591 }
7592 }
7593}
7594
7595/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7596 * scheduled on a general queue in order to prevent a dead lock.
7597 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007598static void bnx2x_reset_task(struct work_struct *work)
7599{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007600 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007601
7602#ifdef BNX2X_STOP_ON_ERROR
7603 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7604 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007605 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007606 return;
7607#endif
7608
7609 rtnl_lock();
7610
7611 if (!netif_running(bp->dev))
7612 goto reset_task_exit;
7613
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007614 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7615 bnx2x_parity_recover(bp);
7616 else {
7617 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7618 bnx2x_nic_load(bp, LOAD_NORMAL);
7619 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007620
7621reset_task_exit:
7622 rtnl_unlock();
7623}
7624
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007625/* end of nic load/unload */
7626
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007627/*
7628 * Init service functions
7629 */
7630
stephen hemminger8d962862010-10-21 07:50:56 +00007631static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007632{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007633 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7634 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7635 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007636}
7637
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007638static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007639{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007640 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007641
7642 /* Flush all outstanding writes */
7643 mmiowb();
7644
7645 /* Pretend to be function 0 */
7646 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007647 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007648
7649 /* From now we are in the "like-E1" mode */
7650 bnx2x_int_disable(bp);
7651
7652 /* Flush all outstanding writes */
7653 mmiowb();
7654
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007655 /* Restore the original function */
7656 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7657 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007658}
7659
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007660static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007661{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007662 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007663 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007664 else
7665 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007666}
7667
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007668static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007669{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007670 u32 val;
7671
7672 /* Check if there is any driver already loaded */
7673 val = REG_RD(bp, MISC_REG_UNPREPARED);
7674 if (val == 0x1) {
7675 /* Check if it is the UNDI driver
7676 * UNDI driver initializes CID offset for normal bell to 0x7
7677 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007678 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007679 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7680 if (val == 0x7) {
7681 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007682 /* save our pf_num */
7683 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007684 u32 swap_en;
7685 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007686
Eilon Greensteinb4661732009-01-14 06:43:56 +00007687 /* clear the UNDI indication */
7688 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7689
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007690 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7691
7692 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007693 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007694 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007695 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007696 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007697 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007698
7699 /* if UNDI is loaded on the other port */
7700 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7701
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007702 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007703 bnx2x_fw_command(bp,
7704 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007705
7706 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007707 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007708 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007709 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007710 DRV_MSG_SEQ_NUMBER_MASK);
7711 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007712
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007713 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007714 }
7715
Eilon Greensteinb4661732009-01-14 06:43:56 +00007716 /* now it's safe to release the lock */
7717 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7718
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007719 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007720
7721 /* close input traffic and wait for it */
7722 /* Do not rcv packets to BRB */
7723 REG_WR(bp,
7724 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7725 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7726 /* Do not direct rcv packets that are not for MCP to
7727 * the BRB */
7728 REG_WR(bp,
7729 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7730 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7731 /* clear AEU */
7732 REG_WR(bp,
7733 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7734 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7735 msleep(10);
7736
7737 /* save NIG port swap info */
7738 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7739 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007740 /* reset device */
7741 REG_WR(bp,
7742 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007743 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007744 REG_WR(bp,
7745 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7746 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007747 /* take the NIG out of reset and restore swap values */
7748 REG_WR(bp,
7749 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7750 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7751 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7752 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7753
7754 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007755 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007756
7757 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007758 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007759 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007760 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007761 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007762 } else
7763 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007764 }
7765}
7766
7767static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7768{
7769 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007770 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007771
7772 /* Get the chip revision id and number. */
7773 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7774 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7775 id = ((val & 0xffff) << 16);
7776 val = REG_RD(bp, MISC_REG_CHIP_REV);
7777 id |= ((val & 0xf) << 12);
7778 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7779 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007780 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007781 id |= (val & 0xf);
7782 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007783
7784 /* Set doorbell size */
7785 bp->db_size = (1 << BNX2X_DB_SHIFT);
7786
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007787 if (CHIP_IS_E2(bp)) {
7788 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7789 if ((val & 1) == 0)
7790 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7791 else
7792 val = (val >> 1) & 1;
7793 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7794 "2_PORT_MODE");
7795 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7796 CHIP_2_PORT_MODE;
7797
7798 if (CHIP_MODE_IS_4_PORT(bp))
7799 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7800 else
7801 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7802 } else {
7803 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7804 bp->pfid = bp->pf_num; /* 0..7 */
7805 }
7806
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007807 /*
7808 * set base FW non-default (fast path) status block id, this value is
7809 * used to initialize the fw_sb_id saved on the fp/queue structure to
7810 * determine the id used by the FW.
7811 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007812 if (CHIP_IS_E1x(bp))
7813 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7814 else /* E2 */
7815 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7816
7817 bp->link_params.chip_id = bp->common.chip_id;
7818 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007819
Eilon Greenstein1c063282009-02-12 08:36:43 +00007820 val = (REG_RD(bp, 0x2874) & 0x55);
7821 if ((bp->common.chip_id & 0x1) ||
7822 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7823 bp->flags |= ONE_PORT_FLAG;
7824 BNX2X_DEV_INFO("single port device\n");
7825 }
7826
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007827 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7828 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7829 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7830 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7831 bp->common.flash_size, bp->common.flash_size);
7832
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007833 bnx2x_init_shmem(bp);
7834
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007835 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7836 MISC_REG_GENERIC_CR_1 :
7837 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007838
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007839 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007840 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007841 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7842 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007843
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007844 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007845 BNX2X_DEV_INFO("MCP not active\n");
7846 bp->flags |= NO_MCP_FLAG;
7847 return;
7848 }
7849
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007850 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007851 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007852
7853 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7854 SHARED_HW_CFG_LED_MODE_MASK) >>
7855 SHARED_HW_CFG_LED_MODE_SHIFT);
7856
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007857 bp->link_params.feature_config_flags = 0;
7858 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7859 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7860 bp->link_params.feature_config_flags |=
7861 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7862 else
7863 bp->link_params.feature_config_flags &=
7864 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7865
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007866 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7867 bp->common.bc_ver = val;
7868 BNX2X_DEV_INFO("bc_ver %X\n", val);
7869 if (val < BNX2X_BC_VER) {
7870 /* for now only warn
7871 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007872 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7873 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007874 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007875 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007876 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007877 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7878
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007879 bp->link_params.feature_config_flags |=
7880 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7881 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007882
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00007883 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7884 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7885
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007886 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007887 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007888
7889 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7890 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7891 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7892 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7893
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007894 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7895 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007896}
7897
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007898#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7899#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7900
7901static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7902{
7903 int pfid = BP_FUNC(bp);
7904 int vn = BP_E1HVN(bp);
7905 int igu_sb_id;
7906 u32 val;
7907 u8 fid;
7908
7909 bp->igu_base_sb = 0xff;
7910 bp->igu_sb_cnt = 0;
7911 if (CHIP_INT_MODE_IS_BC(bp)) {
7912 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007913 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007914
7915 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7916 FP_SB_MAX_E1x;
7917
7918 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7919 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7920
7921 return;
7922 }
7923
7924 /* IGU in normal mode - read CAM */
7925 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7926 igu_sb_id++) {
7927 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7928 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7929 continue;
7930 fid = IGU_FID(val);
7931 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7932 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7933 continue;
7934 if (IGU_VEC(val) == 0)
7935 /* default status block */
7936 bp->igu_dsb_id = igu_sb_id;
7937 else {
7938 if (bp->igu_base_sb == 0xff)
7939 bp->igu_base_sb = igu_sb_id;
7940 bp->igu_sb_cnt++;
7941 }
7942 }
7943 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007944 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
7945 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007946 if (bp->igu_sb_cnt == 0)
7947 BNX2X_ERR("CAM configuration error\n");
7948}
7949
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007950static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7951 u32 switch_cfg)
7952{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007953 int cfg_size = 0, idx, port = BP_PORT(bp);
7954
7955 /* Aggregation of supported attributes of all external phys */
7956 bp->port.supported[0] = 0;
7957 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007958 switch (bp->link_params.num_phys) {
7959 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007960 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
7961 cfg_size = 1;
7962 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007963 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007964 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
7965 cfg_size = 1;
7966 break;
7967 case 3:
7968 if (bp->link_params.multi_phy_config &
7969 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
7970 bp->port.supported[1] =
7971 bp->link_params.phy[EXT_PHY1].supported;
7972 bp->port.supported[0] =
7973 bp->link_params.phy[EXT_PHY2].supported;
7974 } else {
7975 bp->port.supported[0] =
7976 bp->link_params.phy[EXT_PHY1].supported;
7977 bp->port.supported[1] =
7978 bp->link_params.phy[EXT_PHY2].supported;
7979 }
7980 cfg_size = 2;
7981 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007982 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007983
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007984 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007985 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007986 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007987 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007988 dev_info.port_hw_config[port].external_phy_config),
7989 SHMEM_RD(bp,
7990 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007991 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007992 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007993
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007994 switch (switch_cfg) {
7995 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007996 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7997 port*0x10);
7998 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007999 break;
8000
8001 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008002 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8003 port*0x18);
8004 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008005 break;
8006
8007 default:
8008 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008009 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008010 return;
8011 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008012 /* mask what we support according to speed_cap_mask per configuration */
8013 for (idx = 0; idx < cfg_size; idx++) {
8014 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008015 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008016 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008017
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008018 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008019 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008020 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008021
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008022 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008023 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008024 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008025
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008026 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008027 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008028 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008029
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008030 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008031 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008032 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008033 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008034
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008035 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008036 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008037 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008038
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008039 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008040 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008041 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008042
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008043 }
8044
8045 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8046 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008047}
8048
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008049static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008050{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008051 u32 link_config, idx, cfg_size = 0;
8052 bp->port.advertising[0] = 0;
8053 bp->port.advertising[1] = 0;
8054 switch (bp->link_params.num_phys) {
8055 case 1:
8056 case 2:
8057 cfg_size = 1;
8058 break;
8059 case 3:
8060 cfg_size = 2;
8061 break;
8062 }
8063 for (idx = 0; idx < cfg_size; idx++) {
8064 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8065 link_config = bp->port.link_config[idx];
8066 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008067 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008068 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8069 bp->link_params.req_line_speed[idx] =
8070 SPEED_AUTO_NEG;
8071 bp->port.advertising[idx] |=
8072 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008073 } else {
8074 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008075 bp->link_params.req_line_speed[idx] =
8076 SPEED_10000;
8077 bp->port.advertising[idx] |=
8078 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008079 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008080 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008081 }
8082 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008083
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008084 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008085 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8086 bp->link_params.req_line_speed[idx] =
8087 SPEED_10;
8088 bp->port.advertising[idx] |=
8089 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008090 ADVERTISED_TP);
8091 } else {
8092 BNX2X_ERROR("NVRAM config error. "
8093 "Invalid link_config 0x%x"
8094 " speed_cap_mask 0x%x\n",
8095 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008096 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008097 return;
8098 }
8099 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008100
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008101 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008102 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8103 bp->link_params.req_line_speed[idx] =
8104 SPEED_10;
8105 bp->link_params.req_duplex[idx] =
8106 DUPLEX_HALF;
8107 bp->port.advertising[idx] |=
8108 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008109 ADVERTISED_TP);
8110 } else {
8111 BNX2X_ERROR("NVRAM config error. "
8112 "Invalid link_config 0x%x"
8113 " speed_cap_mask 0x%x\n",
8114 link_config,
8115 bp->link_params.speed_cap_mask[idx]);
8116 return;
8117 }
8118 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008119
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008120 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8121 if (bp->port.supported[idx] &
8122 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008123 bp->link_params.req_line_speed[idx] =
8124 SPEED_100;
8125 bp->port.advertising[idx] |=
8126 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008127 ADVERTISED_TP);
8128 } else {
8129 BNX2X_ERROR("NVRAM config error. "
8130 "Invalid link_config 0x%x"
8131 " speed_cap_mask 0x%x\n",
8132 link_config,
8133 bp->link_params.speed_cap_mask[idx]);
8134 return;
8135 }
8136 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008137
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008138 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8139 if (bp->port.supported[idx] &
8140 SUPPORTED_100baseT_Half) {
8141 bp->link_params.req_line_speed[idx] =
8142 SPEED_100;
8143 bp->link_params.req_duplex[idx] =
8144 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008145 bp->port.advertising[idx] |=
8146 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008147 ADVERTISED_TP);
8148 } else {
8149 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008150 "Invalid link_config 0x%x"
8151 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008152 link_config,
8153 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008154 return;
8155 }
8156 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008157
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008158 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008159 if (bp->port.supported[idx] &
8160 SUPPORTED_1000baseT_Full) {
8161 bp->link_params.req_line_speed[idx] =
8162 SPEED_1000;
8163 bp->port.advertising[idx] |=
8164 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008165 ADVERTISED_TP);
8166 } else {
8167 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008168 "Invalid link_config 0x%x"
8169 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008170 link_config,
8171 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008172 return;
8173 }
8174 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008175
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008176 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008177 if (bp->port.supported[idx] &
8178 SUPPORTED_2500baseX_Full) {
8179 bp->link_params.req_line_speed[idx] =
8180 SPEED_2500;
8181 bp->port.advertising[idx] |=
8182 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008183 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008184 } else {
8185 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008186 "Invalid link_config 0x%x"
8187 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008188 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008189 bp->link_params.speed_cap_mask[idx]);
8190 return;
8191 }
8192 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008193
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008194 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8195 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8196 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008197 if (bp->port.supported[idx] &
8198 SUPPORTED_10000baseT_Full) {
8199 bp->link_params.req_line_speed[idx] =
8200 SPEED_10000;
8201 bp->port.advertising[idx] |=
8202 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008203 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008204 } else {
8205 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008206 "Invalid link_config 0x%x"
8207 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008208 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008209 bp->link_params.speed_cap_mask[idx]);
8210 return;
8211 }
8212 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008213
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008214 default:
8215 BNX2X_ERROR("NVRAM config error. "
8216 "BAD link speed link_config 0x%x\n",
8217 link_config);
8218 bp->link_params.req_line_speed[idx] =
8219 SPEED_AUTO_NEG;
8220 bp->port.advertising[idx] =
8221 bp->port.supported[idx];
8222 break;
8223 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008224
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008225 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008226 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008227 if ((bp->link_params.req_flow_ctrl[idx] ==
8228 BNX2X_FLOW_CTRL_AUTO) &&
8229 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8230 bp->link_params.req_flow_ctrl[idx] =
8231 BNX2X_FLOW_CTRL_NONE;
8232 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008233
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008234 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8235 " 0x%x advertising 0x%x\n",
8236 bp->link_params.req_line_speed[idx],
8237 bp->link_params.req_duplex[idx],
8238 bp->link_params.req_flow_ctrl[idx],
8239 bp->port.advertising[idx]);
8240 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008241}
8242
Michael Chane665bfd2009-10-10 13:46:54 +00008243static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8244{
8245 mac_hi = cpu_to_be16(mac_hi);
8246 mac_lo = cpu_to_be32(mac_lo);
8247 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8248 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8249}
8250
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008251static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008252{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008253 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008254 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008255 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008256
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008257 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008258 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008259
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008260 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008261 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008262
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008263 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008264 SHMEM_RD(bp,
8265 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008266 bp->link_params.speed_cap_mask[1] =
8267 SHMEM_RD(bp,
8268 dev_info.port_hw_config[port].speed_capability_mask2);
8269 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008270 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8271
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008272 bp->port.link_config[1] =
8273 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008274
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008275 bp->link_params.multi_phy_config =
8276 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008277 /* If the device is capable of WoL, set the default state according
8278 * to the HW
8279 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008280 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008281 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8282 (config & PORT_FEATURE_WOL_ENABLED));
8283
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008284 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008285 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008286 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008287 bp->link_params.speed_cap_mask[0],
8288 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008289
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008290 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008291 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008292 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008293 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008294
8295 bnx2x_link_settings_requested(bp);
8296
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008297 /*
8298 * If connected directly, work with the internal PHY, otherwise, work
8299 * with the external PHY
8300 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008301 ext_phy_config =
8302 SHMEM_RD(bp,
8303 dev_info.port_hw_config[port].external_phy_config);
8304 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008305 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008306 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008307
8308 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8309 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8310 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008311 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008312
8313 /*
8314 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8315 * In MF mode, it is set to cover self test cases
8316 */
8317 if (IS_MF(bp))
8318 bp->port.need_hw_lock = 1;
8319 else
8320 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8321 bp->common.shmem_base,
8322 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008323}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008324
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008325#ifdef BCM_CNIC
8326static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8327{
8328 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8329 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8330 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8331 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8332
8333 /* Get the number of maximum allowed iSCSI and FCoE connections */
8334 bp->cnic_eth_dev.max_iscsi_conn =
8335 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8336 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8337
8338 bp->cnic_eth_dev.max_fcoe_conn =
8339 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8340 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8341
8342 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8343 bp->cnic_eth_dev.max_iscsi_conn,
8344 bp->cnic_eth_dev.max_fcoe_conn);
8345
8346 /* If mamimum allowed number of connections is zero -
8347 * disable the feature.
8348 */
8349 if (!bp->cnic_eth_dev.max_iscsi_conn)
8350 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8351
8352 if (!bp->cnic_eth_dev.max_fcoe_conn)
8353 bp->flags |= NO_FCOE_FLAG;
8354}
8355#endif
8356
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008357static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8358{
8359 u32 val, val2;
8360 int func = BP_ABS_FUNC(bp);
8361 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008362#ifdef BCM_CNIC
8363 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8364 u8 *fip_mac = bp->fip_mac;
8365#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008366
8367 if (BP_NOMCP(bp)) {
8368 BNX2X_ERROR("warning: random MAC workaround active\n");
8369 random_ether_addr(bp->dev->dev_addr);
8370 } else if (IS_MF(bp)) {
8371 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8372 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8373 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8374 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8375 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8376
8377#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008378 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8379 * FCoE MAC then the appropriate feature should be disabled.
8380 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008381 if (IS_MF_SI(bp)) {
8382 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8383 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8384 val2 = MF_CFG_RD(bp, func_ext_config[func].
8385 iscsi_mac_addr_upper);
8386 val = MF_CFG_RD(bp, func_ext_config[func].
8387 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008388 BNX2X_DEV_INFO("Read iSCSI MAC: "
8389 "0x%x:0x%04x\n", val2, val);
8390 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008391 } else
8392 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8393
8394 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8395 val2 = MF_CFG_RD(bp, func_ext_config[func].
8396 fcoe_mac_addr_upper);
8397 val = MF_CFG_RD(bp, func_ext_config[func].
8398 fcoe_mac_addr_lower);
8399 BNX2X_DEV_INFO("Read FCoE MAC to "
8400 "0x%x:0x%04x\n", val2, val);
8401 bnx2x_set_mac_buf(fip_mac, val, val2);
8402
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008403 } else
8404 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008405 }
8406#endif
8407 } else {
8408 /* in SF read MACs from port configuration */
8409 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8410 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8411 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8412
8413#ifdef BCM_CNIC
8414 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8415 iscsi_mac_upper);
8416 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8417 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008418 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008419#endif
8420 }
8421
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008422 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8423 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008424
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008425#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008426 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008427 if (!CHIP_IS_E1x(bp)) {
8428 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008429 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8430 else if (!IS_MF(bp))
8431 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008432 }
Dmitry Kravkov426b9242011-05-04 23:49:53 +00008433
8434 /* Disable iSCSI if MAC configuration is
8435 * invalid.
8436 */
8437 if (!is_valid_ether_addr(iscsi_mac)) {
8438 bp->flags |= NO_ISCSI_FLAG;
8439 memset(iscsi_mac, 0, ETH_ALEN);
8440 }
8441
8442 /* Disable FCoE if MAC configuration is
8443 * invalid.
8444 */
8445 if (!is_valid_ether_addr(fip_mac)) {
8446 bp->flags |= NO_FCOE_FLAG;
8447 memset(bp->fip_mac, 0, ETH_ALEN);
8448 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008449#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008450}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008451
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008452static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8453{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008454 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07008455 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008456 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008457 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008458
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008459 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008460
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008461 if (CHIP_IS_E1x(bp)) {
8462 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008463
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008464 bp->igu_dsb_id = DEF_SB_IGU_ID;
8465 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008466 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8467 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008468 } else {
8469 bp->common.int_block = INT_BLOCK_IGU;
8470 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8471 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8472 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8473 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8474 } else
8475 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8476
8477 bnx2x_get_igu_cam_info(bp);
8478
8479 }
8480 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8481 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8482
8483 /*
8484 * Initialize MF configuration
8485 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008486
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008487 bp->mf_ov = 0;
8488 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008489 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008490
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008491 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008492 DP(NETIF_MSG_PROBE,
8493 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8494 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8495 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008496 if (SHMEM2_HAS(bp, mf_cfg_addr))
8497 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8498 else
8499 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008500 offsetof(struct shmem_region, func_mb) +
8501 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008502 /*
8503 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008504 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008505 * 2. MAC address must be legal (check only upper bytes)
8506 * for Switch-Independent mode;
8507 * OVLAN must be legal for Switch-Dependent mode
8508 * 3. SF_MODE configures specific MF mode
8509 */
8510 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8511 /* get mf configuration */
8512 val = SHMEM_RD(bp,
8513 dev_info.shared_feature_config.config);
8514 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008515
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008516 switch (val) {
8517 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8518 val = MF_CFG_RD(bp, func_mf_config[func].
8519 mac_upper);
8520 /* check for legal mac (upper bytes)*/
8521 if (val != 0xffff) {
8522 bp->mf_mode = MULTI_FUNCTION_SI;
8523 bp->mf_config[vn] = MF_CFG_RD(bp,
8524 func_mf_config[func].config);
8525 } else
8526 DP(NETIF_MSG_PROBE, "illegal MAC "
8527 "address for SI\n");
8528 break;
8529 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8530 /* get OV configuration */
8531 val = MF_CFG_RD(bp,
8532 func_mf_config[FUNC_0].e1hov_tag);
8533 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8534
8535 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8536 bp->mf_mode = MULTI_FUNCTION_SD;
8537 bp->mf_config[vn] = MF_CFG_RD(bp,
8538 func_mf_config[func].config);
8539 } else
8540 DP(NETIF_MSG_PROBE, "illegal OV for "
8541 "SD\n");
8542 break;
8543 default:
8544 /* Unknown configuration: reset mf_config */
8545 bp->mf_config[vn] = 0;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008546 DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008547 val);
8548 }
8549 }
8550
Eilon Greenstein2691d512009-08-12 08:22:08 +00008551 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008552 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008553
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008554 switch (bp->mf_mode) {
8555 case MULTI_FUNCTION_SD:
8556 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8557 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008558 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008559 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008560 BNX2X_DEV_INFO("MF OV for func %d is %d"
8561 " (0x%04x)\n", func,
8562 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008563 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008564 BNX2X_ERR("No valid MF OV for func %d,"
8565 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008566 rc = -EPERM;
8567 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008568 break;
8569 case MULTI_FUNCTION_SI:
8570 BNX2X_DEV_INFO("func %d is in MF "
8571 "switch-independent mode\n", func);
8572 break;
8573 default:
8574 if (vn) {
8575 BNX2X_ERR("VN %d in single function mode,"
8576 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008577 rc = -EPERM;
8578 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008579 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008580 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008581
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008582 }
8583
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008584 /* adjust igu_sb_cnt to MF for E1x */
8585 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008586 bp->igu_sb_cnt /= E1HVN_MAX;
8587
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008588 /*
8589 * adjust E2 sb count: to be removed when FW will support
8590 * more then 16 L2 clients
8591 */
8592#define MAX_L2_CLIENTS 16
8593 if (CHIP_IS_E2(bp))
8594 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8595 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8596
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008597 if (!BP_NOMCP(bp)) {
8598 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008599
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008600 bp->fw_seq =
8601 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8602 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008603 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8604 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008605
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008606 /* Get MAC addresses */
8607 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008608
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008609#ifdef BCM_CNIC
8610 bnx2x_get_cnic_info(bp);
8611#endif
8612
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008613 return rc;
8614}
8615
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008616static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8617{
8618 int cnt, i, block_end, rodi;
8619 char vpd_data[BNX2X_VPD_LEN+1];
8620 char str_id_reg[VENDOR_ID_LEN+1];
8621 char str_id_cap[VENDOR_ID_LEN+1];
8622 u8 len;
8623
8624 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8625 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8626
8627 if (cnt < BNX2X_VPD_LEN)
8628 goto out_not_found;
8629
8630 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8631 PCI_VPD_LRDT_RO_DATA);
8632 if (i < 0)
8633 goto out_not_found;
8634
8635
8636 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8637 pci_vpd_lrdt_size(&vpd_data[i]);
8638
8639 i += PCI_VPD_LRDT_TAG_SIZE;
8640
8641 if (block_end > BNX2X_VPD_LEN)
8642 goto out_not_found;
8643
8644 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8645 PCI_VPD_RO_KEYWORD_MFR_ID);
8646 if (rodi < 0)
8647 goto out_not_found;
8648
8649 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8650
8651 if (len != VENDOR_ID_LEN)
8652 goto out_not_found;
8653
8654 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8655
8656 /* vendor specific info */
8657 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8658 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8659 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8660 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8661
8662 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8663 PCI_VPD_RO_KEYWORD_VENDOR0);
8664 if (rodi >= 0) {
8665 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8666
8667 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8668
8669 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8670 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8671 bp->fw_ver[len] = ' ';
8672 }
8673 }
8674 return;
8675 }
8676out_not_found:
8677 return;
8678}
8679
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008680static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8681{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008682 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008683 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008684 int rc;
8685
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008686 /* Disable interrupt handling until HW is initialized */
8687 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008688 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008689
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008690 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008691 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008692 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008693#ifdef BCM_CNIC
8694 mutex_init(&bp->cnic_mutex);
8695#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008696
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008697 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008698 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008699
8700 rc = bnx2x_get_hwinfo(bp);
8701
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008702 if (!rc)
8703 rc = bnx2x_alloc_mem_bp(bp);
8704
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008705 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008706
8707 func = BP_FUNC(bp);
8708
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008709 /* need to reset chip if undi was active */
8710 if (!BP_NOMCP(bp))
8711 bnx2x_undi_unload(bp);
8712
8713 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008714 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008715
8716 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008717 dev_err(&bp->pdev->dev, "MCP disabled, "
8718 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008719
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008720 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008721 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008722
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008723 /* Set TPA flags */
8724 if (disable_tpa) {
8725 bp->flags &= ~TPA_ENABLE_FLAG;
8726 bp->dev->features &= ~NETIF_F_LRO;
8727 } else {
8728 bp->flags |= TPA_ENABLE_FLAG;
8729 bp->dev->features |= NETIF_F_LRO;
8730 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008731 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008732
Eilon Greensteina18f5122009-08-12 08:23:26 +00008733 if (CHIP_IS_E1(bp))
8734 bp->dropless_fc = 0;
8735 else
8736 bp->dropless_fc = dropless_fc;
8737
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008738 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008739
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008740 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008741
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008742 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008743 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8744 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008745
Eilon Greenstein87942b42009-02-12 08:36:49 +00008746 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8747 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008748
8749 init_timer(&bp->timer);
8750 bp->timer.expires = jiffies + bp->current_interval;
8751 bp->timer.data = (unsigned long) bp;
8752 bp->timer.function = bnx2x_timer;
8753
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008754 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008755 bnx2x_dcbx_init_params(bp);
8756
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008757 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008758}
8759
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008760
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008761/****************************************************************************
8762* General service functions
8763****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008764
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008765/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008766static int bnx2x_open(struct net_device *dev)
8767{
8768 struct bnx2x *bp = netdev_priv(dev);
8769
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008770 netif_carrier_off(dev);
8771
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008772 bnx2x_set_power_state(bp, PCI_D0);
8773
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008774 if (!bnx2x_reset_is_done(bp)) {
8775 do {
8776 /* Reset MCP mail box sequence if there is on going
8777 * recovery
8778 */
8779 bp->fw_seq = 0;
8780
8781 /* If it's the first function to load and reset done
8782 * is still not cleared it may mean that. We don't
8783 * check the attention state here because it may have
8784 * already been cleared by a "common" reset but we
8785 * shell proceed with "process kill" anyway.
8786 */
8787 if ((bnx2x_get_load_cnt(bp) == 0) &&
8788 bnx2x_trylock_hw_lock(bp,
8789 HW_LOCK_RESOURCE_RESERVED_08) &&
8790 (!bnx2x_leader_reset(bp))) {
8791 DP(NETIF_MSG_HW, "Recovered in open\n");
8792 break;
8793 }
8794
8795 bnx2x_set_power_state(bp, PCI_D3hot);
8796
8797 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8798 " completed yet. Try again later. If u still see this"
8799 " message after a few retries then power cycle is"
8800 " required.\n", bp->dev->name);
8801
8802 return -EAGAIN;
8803 } while (0);
8804 }
8805
8806 bp->recovery_state = BNX2X_RECOVERY_DONE;
8807
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008808 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008809}
8810
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008811/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008812static int bnx2x_close(struct net_device *dev)
8813{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008814 struct bnx2x *bp = netdev_priv(dev);
8815
8816 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008817 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008818 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008819
8820 return 0;
8821}
8822
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008823#define E1_MAX_UC_LIST 29
8824#define E1H_MAX_UC_LIST 30
8825#define E2_MAX_UC_LIST 14
8826static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
8827{
8828 if (CHIP_IS_E1(bp))
8829 return E1_MAX_UC_LIST;
8830 else if (CHIP_IS_E1H(bp))
8831 return E1H_MAX_UC_LIST;
8832 else
8833 return E2_MAX_UC_LIST;
8834}
8835
8836
8837static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
8838{
8839 if (CHIP_IS_E1(bp))
8840 /* CAM Entries for Port0:
8841 * 0 - prim ETH MAC
8842 * 1 - BCAST MAC
8843 * 2 - iSCSI L2 ring ETH MAC
8844 * 3-31 - UC MACs
8845 *
8846 * Port1 entries are allocated the same way starting from
8847 * entry 32.
8848 */
8849 return 3 + 32 * BP_PORT(bp);
8850 else if (CHIP_IS_E1H(bp)) {
8851 /* CAM Entries:
8852 * 0-7 - prim ETH MAC for each function
8853 * 8-15 - iSCSI L2 ring ETH MAC for each function
8854 * 16 till 255 UC MAC lists for each function
8855 *
8856 * Remark: There is no FCoE support for E1H, thus FCoE related
8857 * MACs are not considered.
8858 */
8859 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
8860 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
8861 } else {
8862 /* CAM Entries (there is a separate CAM per engine):
8863 * 0-4 - prim ETH MAC for each function
8864 * 4-7 - iSCSI L2 ring ETH MAC for each function
8865 * 8-11 - FIP ucast L2 MAC for each function
8866 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
8867 * 16 till 71 UC MAC lists for each function
8868 */
8869 u8 func_idx =
8870 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
8871
8872 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
8873 bnx2x_max_uc_list(bp) * func_idx;
8874 }
8875}
8876
8877/* set uc list, do not wait as wait implies sleep and
8878 * set_rx_mode can be invoked from non-sleepable context.
8879 *
8880 * Instead we use the same ramrod data buffer each time we need
8881 * to configure a list of addresses, and use the fact that the
8882 * list of MACs is changed in an incremental way and that the
8883 * function is called under the netif_addr_lock. A temporary
8884 * inconsistent CAM configuration (possible in case of very fast
8885 * sequence of add/del/add on the host side) will shortly be
8886 * restored by the handler of the last ramrod.
8887 */
8888static int bnx2x_set_uc_list(struct bnx2x *bp)
8889{
8890 int i = 0, old;
8891 struct net_device *dev = bp->dev;
8892 u8 offset = bnx2x_uc_list_cam_offset(bp);
8893 struct netdev_hw_addr *ha;
8894 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8895 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8896
8897 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
8898 return -EINVAL;
8899
8900 netdev_for_each_uc_addr(ha, dev) {
8901 /* copy mac */
8902 config_cmd->config_table[i].msb_mac_addr =
8903 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
8904 config_cmd->config_table[i].middle_mac_addr =
8905 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
8906 config_cmd->config_table[i].lsb_mac_addr =
8907 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
8908
8909 config_cmd->config_table[i].vlan_id = 0;
8910 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
8911 config_cmd->config_table[i].clients_bit_vector =
8912 cpu_to_le32(1 << BP_L_ID(bp));
8913
8914 SET_FLAG(config_cmd->config_table[i].flags,
8915 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8916 T_ETH_MAC_COMMAND_SET);
8917
8918 DP(NETIF_MSG_IFUP,
8919 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
8920 config_cmd->config_table[i].msb_mac_addr,
8921 config_cmd->config_table[i].middle_mac_addr,
8922 config_cmd->config_table[i].lsb_mac_addr);
8923
8924 i++;
8925
8926 /* Set uc MAC in NIG */
8927 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
8928 LLH_CAM_ETH_LINE + i);
8929 }
8930 old = config_cmd->hdr.length;
8931 if (old > i) {
8932 for (; i < old; i++) {
8933 if (CAM_IS_INVALID(config_cmd->
8934 config_table[i])) {
8935 /* already invalidated */
8936 break;
8937 }
8938 /* invalidate */
8939 SET_FLAG(config_cmd->config_table[i].flags,
8940 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8941 T_ETH_MAC_COMMAND_INVALIDATE);
8942 }
8943 }
8944
8945 wmb();
8946
8947 config_cmd->hdr.length = i;
8948 config_cmd->hdr.offset = offset;
8949 config_cmd->hdr.client_id = 0xff;
8950 /* Mark that this ramrod doesn't use bp->set_mac_pending for
8951 * synchronization.
8952 */
8953 config_cmd->hdr.echo = 0;
8954
8955 mb();
8956
8957 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8958 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8959
8960}
8961
8962void bnx2x_invalidate_uc_list(struct bnx2x *bp)
8963{
8964 int i;
8965 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8966 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8967 int ramrod_flags = WAIT_RAMROD_COMMON;
8968 u8 offset = bnx2x_uc_list_cam_offset(bp);
8969 u8 max_list_size = bnx2x_max_uc_list(bp);
8970
8971 for (i = 0; i < max_list_size; i++) {
8972 SET_FLAG(config_cmd->config_table[i].flags,
8973 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8974 T_ETH_MAC_COMMAND_INVALIDATE);
8975 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
8976 }
8977
8978 wmb();
8979
8980 config_cmd->hdr.length = max_list_size;
8981 config_cmd->hdr.offset = offset;
8982 config_cmd->hdr.client_id = 0xff;
8983 /* We'll wait for a completion this time... */
8984 config_cmd->hdr.echo = 1;
8985
8986 bp->set_mac_pending = 1;
8987
8988 mb();
8989
8990 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8991 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8992
8993 /* Wait for a completion */
8994 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
8995 ramrod_flags);
8996
8997}
8998
8999static inline int bnx2x_set_mc_list(struct bnx2x *bp)
9000{
9001 /* some multicasts */
9002 if (CHIP_IS_E1(bp)) {
9003 return bnx2x_set_e1_mc_list(bp);
9004 } else { /* E1H and newer */
9005 return bnx2x_set_e1h_mc_list(bp);
9006 }
9007}
9008
Eilon Greensteinf5372252009-02-12 08:38:30 +00009009/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009010void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009011{
9012 struct bnx2x *bp = netdev_priv(dev);
9013 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009014
9015 if (bp->state != BNX2X_STATE_OPEN) {
9016 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9017 return;
9018 }
9019
9020 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9021
9022 if (dev->flags & IFF_PROMISC)
9023 rx_mode = BNX2X_RX_MODE_PROMISC;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009024 else if (dev->flags & IFF_ALLMULTI)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009025 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009026 else {
9027 /* some multicasts */
9028 if (bnx2x_set_mc_list(bp))
9029 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009030
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009031 /* some unicasts */
9032 if (bnx2x_set_uc_list(bp))
9033 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009034 }
9035
9036 bp->rx_mode = rx_mode;
9037 bnx2x_set_storm_rx_mode(bp);
9038}
9039
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009040/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009041static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
9042 int devad, u16 addr)
9043{
9044 struct bnx2x *bp = netdev_priv(netdev);
9045 u16 value;
9046 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009047
9048 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
9049 prtad, devad, addr);
9050
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009051 /* The HW expects different devad if CL22 is used */
9052 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9053
9054 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009055 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009056 bnx2x_release_phy_lock(bp);
9057 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
9058
9059 if (!rc)
9060 rc = value;
9061 return rc;
9062}
9063
9064/* called with rtnl_lock */
9065static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
9066 u16 addr, u16 value)
9067{
9068 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009069 int rc;
9070
9071 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9072 " value 0x%x\n", prtad, devad, addr, value);
9073
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009074 /* The HW expects different devad if CL22 is used */
9075 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9076
9077 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009078 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009079 bnx2x_release_phy_lock(bp);
9080 return rc;
9081}
9082
9083/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009084static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9085{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009086 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009087 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009088
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009089 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9090 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009091
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009092 if (!netif_running(dev))
9093 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009094
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009095 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009096}
9097
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009098#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009099static void poll_bnx2x(struct net_device *dev)
9100{
9101 struct bnx2x *bp = netdev_priv(dev);
9102
9103 disable_irq(bp->pdev->irq);
9104 bnx2x_interrupt(bp->pdev->irq, dev);
9105 enable_irq(bp->pdev->irq);
9106}
9107#endif
9108
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009109static const struct net_device_ops bnx2x_netdev_ops = {
9110 .ndo_open = bnx2x_open,
9111 .ndo_stop = bnx2x_close,
9112 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009113 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009114 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009115 .ndo_set_mac_address = bnx2x_change_mac_addr,
9116 .ndo_validate_addr = eth_validate_addr,
9117 .ndo_do_ioctl = bnx2x_ioctl,
9118 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +00009119 .ndo_fix_features = bnx2x_fix_features,
9120 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009121 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009122#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009123 .ndo_poll_controller = poll_bnx2x,
9124#endif
9125};
9126
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009127static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9128 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009129{
9130 struct bnx2x *bp;
9131 int rc;
9132
9133 SET_NETDEV_DEV(dev, &pdev->dev);
9134 bp = netdev_priv(dev);
9135
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009136 bp->dev = dev;
9137 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009138 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009139 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009140
9141 rc = pci_enable_device(pdev);
9142 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009143 dev_err(&bp->pdev->dev,
9144 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009145 goto err_out;
9146 }
9147
9148 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009149 dev_err(&bp->pdev->dev,
9150 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009151 rc = -ENODEV;
9152 goto err_out_disable;
9153 }
9154
9155 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009156 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9157 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009158 rc = -ENODEV;
9159 goto err_out_disable;
9160 }
9161
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009162 if (atomic_read(&pdev->enable_cnt) == 1) {
9163 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9164 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009165 dev_err(&bp->pdev->dev,
9166 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009167 goto err_out_disable;
9168 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009169
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009170 pci_set_master(pdev);
9171 pci_save_state(pdev);
9172 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009173
9174 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9175 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009176 dev_err(&bp->pdev->dev,
9177 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009178 rc = -EIO;
9179 goto err_out_release;
9180 }
9181
9182 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9183 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009184 dev_err(&bp->pdev->dev,
9185 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009186 rc = -EIO;
9187 goto err_out_release;
9188 }
9189
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009190 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009191 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009192 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009193 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9194 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009195 rc = -EIO;
9196 goto err_out_release;
9197 }
9198
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009199 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009200 dev_err(&bp->pdev->dev,
9201 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009202 rc = -EIO;
9203 goto err_out_release;
9204 }
9205
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009206 dev->mem_start = pci_resource_start(pdev, 0);
9207 dev->base_addr = dev->mem_start;
9208 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009209
9210 dev->irq = pdev->irq;
9211
Arjan van de Ven275f1652008-10-20 21:42:39 -07009212 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009213 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009214 dev_err(&bp->pdev->dev,
9215 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009216 rc = -ENOMEM;
9217 goto err_out_release;
9218 }
9219
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009220 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009221 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009222 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009223 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009224 dev_err(&bp->pdev->dev,
9225 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009226 rc = -ENOMEM;
9227 goto err_out_unmap;
9228 }
9229
9230 bnx2x_set_power_state(bp, PCI_D0);
9231
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009232 /* clean indirect addresses */
9233 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9234 PCICFG_VENDOR_ID_OFFSET);
9235 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9236 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9237 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9238 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009239
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009240 /* Reset the load counter */
9241 bnx2x_clear_load_cnt(bp);
9242
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009243 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009244
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009245 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009246 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +00009247
9248 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9249 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
9250 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX;
9251
9252 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9253 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
9254
9255 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009256 if (bp->flags & USING_DAC_FLAG)
9257 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009258
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +00009259 /* Add Loopback capability to the device */
9260 dev->hw_features |= NETIF_F_LOOPBACK;
9261
Shmulik Ravid98507672011-02-28 12:19:55 -08009262#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009263 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9264#endif
9265
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009266 /* get_port_hwinfo() will set prtad and mmds properly */
9267 bp->mdio.prtad = MDIO_PRTAD_NONE;
9268 bp->mdio.mmds = 0;
9269 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9270 bp->mdio.dev = dev;
9271 bp->mdio.mdio_read = bnx2x_mdio_read;
9272 bp->mdio.mdio_write = bnx2x_mdio_write;
9273
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009274 return 0;
9275
9276err_out_unmap:
9277 if (bp->regview) {
9278 iounmap(bp->regview);
9279 bp->regview = NULL;
9280 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009281 if (bp->doorbells) {
9282 iounmap(bp->doorbells);
9283 bp->doorbells = NULL;
9284 }
9285
9286err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009287 if (atomic_read(&pdev->enable_cnt) == 1)
9288 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009289
9290err_out_disable:
9291 pci_disable_device(pdev);
9292 pci_set_drvdata(pdev, NULL);
9293
9294err_out:
9295 return rc;
9296}
9297
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009298static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9299 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009300{
9301 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9302
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009303 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9304
9305 /* return value of 1=2.5GHz 2=5GHz */
9306 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009307}
9308
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009309static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009310{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009311 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009312 struct bnx2x_fw_file_hdr *fw_hdr;
9313 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009314 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009315 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009316 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009317 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009318
9319 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9320 return -EINVAL;
9321
9322 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9323 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9324
9325 /* Make sure none of the offsets and sizes make us read beyond
9326 * the end of the firmware data */
9327 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9328 offset = be32_to_cpu(sections[i].offset);
9329 len = be32_to_cpu(sections[i].len);
9330 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009331 dev_err(&bp->pdev->dev,
9332 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009333 return -EINVAL;
9334 }
9335 }
9336
9337 /* Likewise for the init_ops offsets */
9338 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9339 ops_offsets = (u16 *)(firmware->data + offset);
9340 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9341
9342 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9343 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009344 dev_err(&bp->pdev->dev,
9345 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009346 return -EINVAL;
9347 }
9348 }
9349
9350 /* Check FW version */
9351 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9352 fw_ver = firmware->data + offset;
9353 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9354 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9355 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9356 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009357 dev_err(&bp->pdev->dev,
9358 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009359 fw_ver[0], fw_ver[1], fw_ver[2],
9360 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9361 BCM_5710_FW_MINOR_VERSION,
9362 BCM_5710_FW_REVISION_VERSION,
9363 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009364 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009365 }
9366
9367 return 0;
9368}
9369
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009370static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009371{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009372 const __be32 *source = (const __be32 *)_source;
9373 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009374 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009375
9376 for (i = 0; i < n/4; i++)
9377 target[i] = be32_to_cpu(source[i]);
9378}
9379
9380/*
9381 Ops array is stored in the following format:
9382 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9383 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009384static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009385{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009386 const __be32 *source = (const __be32 *)_source;
9387 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009388 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009389
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009390 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009391 tmp = be32_to_cpu(source[j]);
9392 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009393 target[i].offset = tmp & 0xffffff;
9394 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009395 }
9396}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009397
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009398/**
9399 * IRO array is stored in the following format:
9400 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9401 */
9402static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9403{
9404 const __be32 *source = (const __be32 *)_source;
9405 struct iro *target = (struct iro *)_target;
9406 u32 i, j, tmp;
9407
9408 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9409 target[i].base = be32_to_cpu(source[j]);
9410 j++;
9411 tmp = be32_to_cpu(source[j]);
9412 target[i].m1 = (tmp >> 16) & 0xffff;
9413 target[i].m2 = tmp & 0xffff;
9414 j++;
9415 tmp = be32_to_cpu(source[j]);
9416 target[i].m3 = (tmp >> 16) & 0xffff;
9417 target[i].size = tmp & 0xffff;
9418 j++;
9419 }
9420}
9421
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009422static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009423{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009424 const __be16 *source = (const __be16 *)_source;
9425 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009426 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009427
9428 for (i = 0; i < n/2; i++)
9429 target[i] = be16_to_cpu(source[i]);
9430}
9431
Joe Perches7995c642010-02-17 15:01:52 +00009432#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9433do { \
9434 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9435 bp->arr = kmalloc(len, GFP_KERNEL); \
9436 if (!bp->arr) { \
9437 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9438 goto lbl; \
9439 } \
9440 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9441 (u8 *)bp->arr, len); \
9442} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009443
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009444int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009445{
Ben Hutchings45229b42009-11-07 11:53:39 +00009446 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009447 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009448 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009449
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009450 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009451 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009452 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009453 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009454 else if (CHIP_IS_E2(bp))
9455 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009456 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009457 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009458 return -EINVAL;
9459 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009460
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009461 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009462
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009463 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009464 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009465 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009466 goto request_firmware_exit;
9467 }
9468
9469 rc = bnx2x_check_firmware(bp);
9470 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009471 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009472 goto request_firmware_exit;
9473 }
9474
9475 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9476
9477 /* Initialize the pointers to the init arrays */
9478 /* Blob */
9479 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9480
9481 /* Opcodes */
9482 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9483
9484 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009485 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9486 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009487
9488 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009489 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9490 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9491 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9492 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9493 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9494 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9495 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9496 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9497 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9498 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9499 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9500 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9501 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9502 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9503 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9504 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009505 /* IRO */
9506 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009507
9508 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009509
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009510iro_alloc_err:
9511 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009512init_offsets_alloc_err:
9513 kfree(bp->init_ops);
9514init_ops_alloc_err:
9515 kfree(bp->init_data);
9516request_firmware_exit:
9517 release_firmware(bp->firmware);
9518
9519 return rc;
9520}
9521
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009522static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9523{
9524 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009525
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009526#ifdef BCM_CNIC
9527 cid_count += CNIC_CID_MAX;
9528#endif
9529 return roundup(cid_count, QM_CID_ROUND);
9530}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009531
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009532static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9533 const struct pci_device_id *ent)
9534{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009535 struct net_device *dev = NULL;
9536 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009537 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009538 int rc, cid_count;
9539
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009540 switch (ent->driver_data) {
9541 case BCM57710:
9542 case BCM57711:
9543 case BCM57711E:
9544 cid_count = FP_SB_MAX_E1x;
9545 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009546
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009547 case BCM57712:
9548 case BCM57712E:
9549 cid_count = FP_SB_MAX_E2;
9550 break;
9551
9552 default:
9553 pr_err("Unknown board_type (%ld), aborting\n",
9554 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009555 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009556 }
9557
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009558 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009559
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009560 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009561 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009562 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009563 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009564 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009565 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009566
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009567 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009568 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009569
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009570 pci_set_drvdata(pdev, dev);
9571
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009572 bp->l2_cid_count = cid_count;
9573
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009574 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009575 if (rc < 0) {
9576 free_netdev(dev);
9577 return rc;
9578 }
9579
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009580 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009581 if (rc)
9582 goto init_one_exit;
9583
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009584 /* calc qm_cid_count */
9585 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9586
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009587#ifdef BCM_CNIC
9588 /* disable FCOE L2 queue for E1x*/
9589 if (CHIP_IS_E1x(bp))
9590 bp->flags |= NO_FCOE_FLAG;
9591
9592#endif
9593
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009594 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009595 * needed, set bp->num_queues appropriately.
9596 */
9597 bnx2x_set_int_mode(bp);
9598
9599 /* Add all NAPI objects */
9600 bnx2x_add_all_napi(bp);
9601
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009602 rc = register_netdev(dev);
9603 if (rc) {
9604 dev_err(&pdev->dev, "Cannot register net device\n");
9605 goto init_one_exit;
9606 }
9607
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009608#ifdef BCM_CNIC
9609 if (!NO_FCOE(bp)) {
9610 /* Add storage MAC address */
9611 rtnl_lock();
9612 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9613 rtnl_unlock();
9614 }
9615#endif
9616
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009617 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009618
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009619 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9620 " IRQ %d, ", board_info[ent->driver_data].name,
9621 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009622 pcie_width,
9623 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9624 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9625 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009626 dev->base_addr, bp->pdev->irq);
9627 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009628
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009629 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009630
9631init_one_exit:
9632 if (bp->regview)
9633 iounmap(bp->regview);
9634
9635 if (bp->doorbells)
9636 iounmap(bp->doorbells);
9637
9638 free_netdev(dev);
9639
9640 if (atomic_read(&pdev->enable_cnt) == 1)
9641 pci_release_regions(pdev);
9642
9643 pci_disable_device(pdev);
9644 pci_set_drvdata(pdev, NULL);
9645
9646 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009647}
9648
9649static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9650{
9651 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009652 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009653
Eliezer Tamir228241e2008-02-28 11:56:57 -08009654 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009655 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009656 return;
9657 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009658 bp = netdev_priv(dev);
9659
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009660#ifdef BCM_CNIC
9661 /* Delete storage MAC address */
9662 if (!NO_FCOE(bp)) {
9663 rtnl_lock();
9664 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9665 rtnl_unlock();
9666 }
9667#endif
9668
Shmulik Ravid98507672011-02-28 12:19:55 -08009669#ifdef BCM_DCBNL
9670 /* Delete app tlvs from dcbnl */
9671 bnx2x_dcbnl_update_applist(bp, true);
9672#endif
9673
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009674 unregister_netdev(dev);
9675
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009676 /* Delete all NAPI objects */
9677 bnx2x_del_all_napi(bp);
9678
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009679 /* Power on: we can't let PCI layer write to us while we are in D3 */
9680 bnx2x_set_power_state(bp, PCI_D0);
9681
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009682 /* Disable MSI/MSI-X */
9683 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009684
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009685 /* Power off */
9686 bnx2x_set_power_state(bp, PCI_D3hot);
9687
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009688 /* Make sure RESET task is not scheduled before continuing */
9689 cancel_delayed_work_sync(&bp->reset_task);
9690
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009691 if (bp->regview)
9692 iounmap(bp->regview);
9693
9694 if (bp->doorbells)
9695 iounmap(bp->doorbells);
9696
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009697 bnx2x_free_mem_bp(bp);
9698
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009699 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009700
9701 if (atomic_read(&pdev->enable_cnt) == 1)
9702 pci_release_regions(pdev);
9703
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009704 pci_disable_device(pdev);
9705 pci_set_drvdata(pdev, NULL);
9706}
9707
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009708static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9709{
9710 int i;
9711
9712 bp->state = BNX2X_STATE_ERROR;
9713
9714 bp->rx_mode = BNX2X_RX_MODE_NONE;
9715
9716 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009717 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009718
9719 del_timer_sync(&bp->timer);
9720 bp->stats_state = STATS_STATE_DISABLED;
9721 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9722
9723 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009724 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009725
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009726 /* Free SKBs, SGEs, TPA pool and driver internals */
9727 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009728
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009729 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009730 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009731
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009732 bnx2x_free_mem(bp);
9733
9734 bp->state = BNX2X_STATE_CLOSED;
9735
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009736 return 0;
9737}
9738
9739static void bnx2x_eeh_recover(struct bnx2x *bp)
9740{
9741 u32 val;
9742
9743 mutex_init(&bp->port.phy_mutex);
9744
9745 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9746 bp->link_params.shmem_base = bp->common.shmem_base;
9747 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9748
9749 if (!bp->common.shmem_base ||
9750 (bp->common.shmem_base < 0xA0000) ||
9751 (bp->common.shmem_base >= 0xC0000)) {
9752 BNX2X_DEV_INFO("MCP not active\n");
9753 bp->flags |= NO_MCP_FLAG;
9754 return;
9755 }
9756
9757 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9758 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9759 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9760 BNX2X_ERR("BAD MCP validity signature\n");
9761
9762 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009763 bp->fw_seq =
9764 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9765 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009766 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9767 }
9768}
9769
Wendy Xiong493adb12008-06-23 20:36:22 -07009770/**
9771 * bnx2x_io_error_detected - called when PCI error is detected
9772 * @pdev: Pointer to PCI device
9773 * @state: The current pci connection state
9774 *
9775 * This function is called after a PCI bus error affecting
9776 * this device has been detected.
9777 */
9778static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9779 pci_channel_state_t state)
9780{
9781 struct net_device *dev = pci_get_drvdata(pdev);
9782 struct bnx2x *bp = netdev_priv(dev);
9783
9784 rtnl_lock();
9785
9786 netif_device_detach(dev);
9787
Dean Nelson07ce50e2009-07-31 09:13:25 +00009788 if (state == pci_channel_io_perm_failure) {
9789 rtnl_unlock();
9790 return PCI_ERS_RESULT_DISCONNECT;
9791 }
9792
Wendy Xiong493adb12008-06-23 20:36:22 -07009793 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009794 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009795
9796 pci_disable_device(pdev);
9797
9798 rtnl_unlock();
9799
9800 /* Request a slot reset */
9801 return PCI_ERS_RESULT_NEED_RESET;
9802}
9803
9804/**
9805 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9806 * @pdev: Pointer to PCI device
9807 *
9808 * Restart the card from scratch, as if from a cold-boot.
9809 */
9810static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9811{
9812 struct net_device *dev = pci_get_drvdata(pdev);
9813 struct bnx2x *bp = netdev_priv(dev);
9814
9815 rtnl_lock();
9816
9817 if (pci_enable_device(pdev)) {
9818 dev_err(&pdev->dev,
9819 "Cannot re-enable PCI device after reset\n");
9820 rtnl_unlock();
9821 return PCI_ERS_RESULT_DISCONNECT;
9822 }
9823
9824 pci_set_master(pdev);
9825 pci_restore_state(pdev);
9826
9827 if (netif_running(dev))
9828 bnx2x_set_power_state(bp, PCI_D0);
9829
9830 rtnl_unlock();
9831
9832 return PCI_ERS_RESULT_RECOVERED;
9833}
9834
9835/**
9836 * bnx2x_io_resume - called when traffic can start flowing again
9837 * @pdev: Pointer to PCI device
9838 *
9839 * This callback is called when the error recovery driver tells us that
9840 * its OK to resume normal operation.
9841 */
9842static void bnx2x_io_resume(struct pci_dev *pdev)
9843{
9844 struct net_device *dev = pci_get_drvdata(pdev);
9845 struct bnx2x *bp = netdev_priv(dev);
9846
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009847 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009848 printk(KERN_ERR "Handling parity error recovery. "
9849 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009850 return;
9851 }
9852
Wendy Xiong493adb12008-06-23 20:36:22 -07009853 rtnl_lock();
9854
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009855 bnx2x_eeh_recover(bp);
9856
Wendy Xiong493adb12008-06-23 20:36:22 -07009857 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009858 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009859
9860 netif_device_attach(dev);
9861
9862 rtnl_unlock();
9863}
9864
9865static struct pci_error_handlers bnx2x_err_handler = {
9866 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009867 .slot_reset = bnx2x_io_slot_reset,
9868 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009869};
9870
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009871static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009872 .name = DRV_MODULE_NAME,
9873 .id_table = bnx2x_pci_tbl,
9874 .probe = bnx2x_init_one,
9875 .remove = __devexit_p(bnx2x_remove_one),
9876 .suspend = bnx2x_suspend,
9877 .resume = bnx2x_resume,
9878 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009879};
9880
9881static int __init bnx2x_init(void)
9882{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009883 int ret;
9884
Joe Perches7995c642010-02-17 15:01:52 +00009885 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009886
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009887 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9888 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009889 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009890 return -ENOMEM;
9891 }
9892
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009893 ret = pci_register_driver(&bnx2x_pci_driver);
9894 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009895 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009896 destroy_workqueue(bnx2x_wq);
9897 }
9898 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009899}
9900
9901static void __exit bnx2x_cleanup(void)
9902{
9903 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009904
9905 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009906}
9907
9908module_init(bnx2x_init);
9909module_exit(bnx2x_cleanup);
9910
Michael Chan993ac7b2009-10-10 13:46:56 +00009911#ifdef BCM_CNIC
9912
9913/* count denotes the number of new completions we have seen */
9914static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9915{
9916 struct eth_spe *spe;
9917
9918#ifdef BNX2X_STOP_ON_ERROR
9919 if (unlikely(bp->panic))
9920 return;
9921#endif
9922
9923 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009924 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009925 bp->cnic_spq_pending -= count;
9926
Michael Chan993ac7b2009-10-10 13:46:56 +00009927
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009928 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9929 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9930 & SPE_HDR_CONN_TYPE) >>
9931 SPE_HDR_CONN_TYPE_SHIFT;
9932
9933 /* Set validation for iSCSI L2 client before sending SETUP
9934 * ramrod
9935 */
9936 if (type == ETH_CONNECTION_TYPE) {
9937 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9938 hdr.conn_and_cmd_data) >>
9939 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9940
9941 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9942 bnx2x_set_ctx_validation(&bp->context.
9943 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9944 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9945 }
9946
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009947 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
9948 * We also check that the number of outstanding
9949 * COMMON ramrods is not more than the EQ and SPQ can
9950 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009951 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009952 if (type == ETH_CONNECTION_TYPE) {
9953 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009954 break;
9955 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009956 atomic_dec(&bp->cq_spq_left);
9957 } else if (type == NONE_CONNECTION_TYPE) {
9958 if (!atomic_read(&bp->eq_spq_left))
9959 break;
9960 else
9961 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009962 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9963 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009964 if (bp->cnic_spq_pending >=
9965 bp->cnic_eth_dev.max_kwqe_pending)
9966 break;
9967 else
9968 bp->cnic_spq_pending++;
9969 } else {
9970 BNX2X_ERR("Unknown SPE type: %d\n", type);
9971 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009972 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009973 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009974
9975 spe = bnx2x_sp_get_next(bp);
9976 *spe = *bp->cnic_kwq_cons;
9977
Michael Chan993ac7b2009-10-10 13:46:56 +00009978 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9979 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9980
9981 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9982 bp->cnic_kwq_cons = bp->cnic_kwq;
9983 else
9984 bp->cnic_kwq_cons++;
9985 }
9986 bnx2x_sp_prod_update(bp);
9987 spin_unlock_bh(&bp->spq_lock);
9988}
9989
9990static int bnx2x_cnic_sp_queue(struct net_device *dev,
9991 struct kwqe_16 *kwqes[], u32 count)
9992{
9993 struct bnx2x *bp = netdev_priv(dev);
9994 int i;
9995
9996#ifdef BNX2X_STOP_ON_ERROR
9997 if (unlikely(bp->panic))
9998 return -EIO;
9999#endif
10000
10001 spin_lock_bh(&bp->spq_lock);
10002
10003 for (i = 0; i < count; i++) {
10004 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
10005
10006 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
10007 break;
10008
10009 *bp->cnic_kwq_prod = *spe;
10010
10011 bp->cnic_kwq_pending++;
10012
10013 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
10014 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010015 spe->data.update_data_addr.hi,
10016 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000010017 bp->cnic_kwq_pending);
10018
10019 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
10020 bp->cnic_kwq_prod = bp->cnic_kwq;
10021 else
10022 bp->cnic_kwq_prod++;
10023 }
10024
10025 spin_unlock_bh(&bp->spq_lock);
10026
10027 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
10028 bnx2x_cnic_sp_post(bp, 0);
10029
10030 return i;
10031}
10032
10033static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10034{
10035 struct cnic_ops *c_ops;
10036 int rc = 0;
10037
10038 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000010039 c_ops = rcu_dereference_protected(bp->cnic_ops,
10040 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000010041 if (c_ops)
10042 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10043 mutex_unlock(&bp->cnic_mutex);
10044
10045 return rc;
10046}
10047
10048static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10049{
10050 struct cnic_ops *c_ops;
10051 int rc = 0;
10052
10053 rcu_read_lock();
10054 c_ops = rcu_dereference(bp->cnic_ops);
10055 if (c_ops)
10056 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10057 rcu_read_unlock();
10058
10059 return rc;
10060}
10061
10062/*
10063 * for commands that have no data
10064 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010065int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000010066{
10067 struct cnic_ctl_info ctl = {0};
10068
10069 ctl.cmd = cmd;
10070
10071 return bnx2x_cnic_ctl_send(bp, &ctl);
10072}
10073
10074static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10075{
10076 struct cnic_ctl_info ctl;
10077
10078 /* first we tell CNIC and only then we count this as a completion */
10079 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10080 ctl.data.comp.cid = cid;
10081
10082 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010083 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010084}
10085
10086static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10087{
10088 struct bnx2x *bp = netdev_priv(dev);
10089 int rc = 0;
10090
10091 switch (ctl->cmd) {
10092 case DRV_CTL_CTXTBL_WR_CMD: {
10093 u32 index = ctl->data.io.offset;
10094 dma_addr_t addr = ctl->data.io.dma_addr;
10095
10096 bnx2x_ilt_wr(bp, index, addr);
10097 break;
10098 }
10099
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010100 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10101 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010102
10103 bnx2x_cnic_sp_post(bp, count);
10104 break;
10105 }
10106
10107 /* rtnl_lock is held. */
10108 case DRV_CTL_START_L2_CMD: {
10109 u32 cli = ctl->data.ring.client_id;
10110
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010111 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10112 bnx2x_del_fcoe_eth_macs(bp);
10113
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010114 /* Set iSCSI MAC address */
10115 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10116
10117 mmiowb();
10118 barrier();
10119
10120 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10121 * because it's the only way for UIO Client to accept
10122 * multicasts (in non-promiscuous mode only one Client per
10123 * function will receive multicast packets (leading in our
10124 * case).
10125 */
10126 bnx2x_rxq_set_mac_filters(bp, cli,
10127 BNX2X_ACCEPT_UNICAST |
10128 BNX2X_ACCEPT_BROADCAST |
10129 BNX2X_ACCEPT_ALL_MULTICAST);
10130 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10131
Michael Chan993ac7b2009-10-10 13:46:56 +000010132 break;
10133 }
10134
10135 /* rtnl_lock is held. */
10136 case DRV_CTL_STOP_L2_CMD: {
10137 u32 cli = ctl->data.ring.client_id;
10138
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010139 /* Stop accepting on iSCSI L2 ring */
10140 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10141 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10142
10143 mmiowb();
10144 barrier();
10145
10146 /* Unset iSCSI L2 MAC */
10147 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010148 break;
10149 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010150 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10151 int count = ctl->data.credit.credit_count;
10152
10153 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010154 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010155 smp_mb__after_atomic_inc();
10156 break;
10157 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010158
Dmitry Kravkovfab0dc82011-03-31 17:04:22 -070010159 case DRV_CTL_ISCSI_STOPPED_CMD: {
10160 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
10161 break;
10162 }
10163
Michael Chan993ac7b2009-10-10 13:46:56 +000010164 default:
10165 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10166 rc = -EINVAL;
10167 }
10168
10169 return rc;
10170}
10171
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010172void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010173{
10174 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10175
10176 if (bp->flags & USING_MSIX_FLAG) {
10177 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10178 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10179 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10180 } else {
10181 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10182 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10183 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010184 if (CHIP_IS_E2(bp))
10185 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10186 else
10187 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10188
Michael Chan993ac7b2009-10-10 13:46:56 +000010189 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010190 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010191 cp->irq_arr[1].status_blk = bp->def_status_blk;
10192 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010193 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010194
10195 cp->num_irq = 2;
10196}
10197
10198static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10199 void *data)
10200{
10201 struct bnx2x *bp = netdev_priv(dev);
10202 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10203
10204 if (ops == NULL)
10205 return -EINVAL;
10206
10207 if (atomic_read(&bp->intr_sem) != 0)
10208 return -EBUSY;
10209
10210 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10211 if (!bp->cnic_kwq)
10212 return -ENOMEM;
10213
10214 bp->cnic_kwq_cons = bp->cnic_kwq;
10215 bp->cnic_kwq_prod = bp->cnic_kwq;
10216 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10217
10218 bp->cnic_spq_pending = 0;
10219 bp->cnic_kwq_pending = 0;
10220
10221 bp->cnic_data = data;
10222
10223 cp->num_irq = 0;
10224 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010225 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010226
Michael Chan993ac7b2009-10-10 13:46:56 +000010227 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010228
Michael Chan993ac7b2009-10-10 13:46:56 +000010229 rcu_assign_pointer(bp->cnic_ops, ops);
10230
10231 return 0;
10232}
10233
10234static int bnx2x_unregister_cnic(struct net_device *dev)
10235{
10236 struct bnx2x *bp = netdev_priv(dev);
10237 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10238
10239 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010240 cp->drv_state = 0;
10241 rcu_assign_pointer(bp->cnic_ops, NULL);
10242 mutex_unlock(&bp->cnic_mutex);
10243 synchronize_rcu();
10244 kfree(bp->cnic_kwq);
10245 bp->cnic_kwq = NULL;
10246
10247 return 0;
10248}
10249
10250struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10251{
10252 struct bnx2x *bp = netdev_priv(dev);
10253 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10254
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010255 /* If both iSCSI and FCoE are disabled - return NULL in
10256 * order to indicate CNIC that it should not try to work
10257 * with this device.
10258 */
10259 if (NO_ISCSI(bp) && NO_FCOE(bp))
10260 return NULL;
10261
Michael Chan993ac7b2009-10-10 13:46:56 +000010262 cp->drv_owner = THIS_MODULE;
10263 cp->chip_id = CHIP_ID(bp);
10264 cp->pdev = bp->pdev;
10265 cp->io_base = bp->regview;
10266 cp->io_base2 = bp->doorbells;
10267 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010268 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010269 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10270 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010271 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010272 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010273 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10274 cp->drv_ctl = bnx2x_drv_ctl;
10275 cp->drv_register_cnic = bnx2x_register_cnic;
10276 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010277 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10278 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10279 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010280 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010281
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010282 if (NO_ISCSI_OOO(bp))
10283 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10284
10285 if (NO_ISCSI(bp))
10286 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10287
10288 if (NO_FCOE(bp))
10289 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10290
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010291 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10292 "starting cid %d\n",
10293 cp->ctx_blk_size,
10294 cp->ctx_tbl_offset,
10295 cp->ctx_tbl_len,
10296 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010297 return cp;
10298}
10299EXPORT_SYMBOL(bnx2x_cnic_probe);
10300
10301#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010302