blob: 2e89b6cf37ae1974e6c209f6ca61630fef8eff7b [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>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020052
Dmitry Kravkovb0efbb92010-07-27 12:33:43 +000053#define BNX2X_MAIN
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020054#include "bnx2x.h"
55#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070056#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000057#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000058#include "bnx2x_dcb.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020059
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include <linux/firmware.h>
61#include "bnx2x_fw_file_hdr.h"
62/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000063#define FW_FILE_VERSION \
64 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
65 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
66 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
67 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000068#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
69#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000070#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070071
Eilon Greenstein34f80b02008-06-23 20:33:01 -070072/* Time in jiffies before concluding the transmitter is hung */
73#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020074
Andrew Morton53a10562008-02-09 23:16:41 -080075static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070076 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020077 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
78
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070079MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000080MODULE_DESCRIPTION("Broadcom NetXtreme II "
81 "BCM57710/57711/57711E/57712/57712E Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082MODULE_LICENSE("GPL");
83MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000084MODULE_FIRMWARE(FW_FILE_NAME_E1);
85MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000086MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020087
Eilon Greenstein555f6c72009-02-12 08:36:11 +000088static int multi_mode = 1;
89module_param(multi_mode, int, 0);
Eilon Greensteinca003922009-08-12 22:53:28 -070090MODULE_PARM_DESC(multi_mode, " Multi queue mode "
91 "(0 Disable; 1 Enable (default))");
92
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000093int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000094module_param(num_queues, int, 0);
95MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
96 " (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +000097
Eilon Greenstein19680c42008-08-13 15:47:33 -070098static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -070099module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000100MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000101
102static int int_mode;
103module_param(int_mode, int, 0);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000104MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
105 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
Eilon Greensteina18f5122009-08-12 08:23:26 +0000107static int dropless_fc;
108module_param(dropless_fc, int, 0);
109MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
110
Eilon Greenstein9898f862009-02-12 08:38:27 +0000111static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200112module_param(poll, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000113MODULE_PARM_DESC(poll, " Use polling (for debug)");
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000114
115static int mrrs = -1;
116module_param(mrrs, int, 0);
117MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
118
Eilon Greenstein9898f862009-02-12 08:38:27 +0000119static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200120module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000121MODULE_PARM_DESC(debug, " Default debug msglevel");
122
Eilon Greenstein1cf167f2009-01-14 21:22:18 -0800123static struct workqueue_struct *bnx2x_wq;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200124
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000125#ifdef BCM_CNIC
126static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
127#endif
128
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200129enum bnx2x_board_type {
130 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700131 BCM57711 = 1,
132 BCM57711E = 2,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000133 BCM57712 = 3,
134 BCM57712E = 4
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200135};
136
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700137/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800138static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200139 char *name;
140} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700141 { "Broadcom NetXtreme II BCM57710 XGb" },
142 { "Broadcom NetXtreme II BCM57711 XGb" },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000143 { "Broadcom NetXtreme II BCM57711E XGb" },
144 { "Broadcom NetXtreme II BCM57712 XGb" },
145 { "Broadcom NetXtreme II BCM57712E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200146};
147
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000148static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000149 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
150 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
151 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000152 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
153 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200154 { 0 }
155};
156
157MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
158
159/****************************************************************************
160* General service functions
161****************************************************************************/
162
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000163static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
164 u32 addr, dma_addr_t mapping)
165{
166 REG_WR(bp, addr, U64_LO(mapping));
167 REG_WR(bp, addr + 4, U64_HI(mapping));
168}
169
170static inline void __storm_memset_fill(struct bnx2x *bp,
171 u32 addr, size_t size, u32 val)
172{
173 int i;
174 for (i = 0; i < size/4; i++)
175 REG_WR(bp, addr + (i * 4), val);
176}
177
178static inline void storm_memset_ustats_zero(struct bnx2x *bp,
179 u8 port, u16 stat_id)
180{
181 size_t size = sizeof(struct ustorm_per_client_stats);
182
183 u32 addr = BAR_USTRORM_INTMEM +
184 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
185
186 __storm_memset_fill(bp, addr, size, 0);
187}
188
189static inline void storm_memset_tstats_zero(struct bnx2x *bp,
190 u8 port, u16 stat_id)
191{
192 size_t size = sizeof(struct tstorm_per_client_stats);
193
194 u32 addr = BAR_TSTRORM_INTMEM +
195 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
196
197 __storm_memset_fill(bp, addr, size, 0);
198}
199
200static inline void storm_memset_xstats_zero(struct bnx2x *bp,
201 u8 port, u16 stat_id)
202{
203 size_t size = sizeof(struct xstorm_per_client_stats);
204
205 u32 addr = BAR_XSTRORM_INTMEM +
206 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
207
208 __storm_memset_fill(bp, addr, size, 0);
209}
210
211
212static inline void storm_memset_spq_addr(struct bnx2x *bp,
213 dma_addr_t mapping, u16 abs_fid)
214{
215 u32 addr = XSEM_REG_FAST_MEMORY +
216 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
217
218 __storm_memset_dma_mapping(bp, addr, mapping);
219}
220
221static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
222{
223 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
224}
225
226static inline void storm_memset_func_cfg(struct bnx2x *bp,
227 struct tstorm_eth_function_common_config *tcfg,
228 u16 abs_fid)
229{
230 size_t size = sizeof(struct tstorm_eth_function_common_config);
231
232 u32 addr = BAR_TSTRORM_INTMEM +
233 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
234
235 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
236}
237
238static inline void storm_memset_xstats_flags(struct bnx2x *bp,
239 struct stats_indication_flags *flags,
240 u16 abs_fid)
241{
242 size_t size = sizeof(struct stats_indication_flags);
243
244 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
245
246 __storm_memset_struct(bp, addr, size, (u32 *)flags);
247}
248
249static inline void storm_memset_tstats_flags(struct bnx2x *bp,
250 struct stats_indication_flags *flags,
251 u16 abs_fid)
252{
253 size_t size = sizeof(struct stats_indication_flags);
254
255 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
256
257 __storm_memset_struct(bp, addr, size, (u32 *)flags);
258}
259
260static inline void storm_memset_ustats_flags(struct bnx2x *bp,
261 struct stats_indication_flags *flags,
262 u16 abs_fid)
263{
264 size_t size = sizeof(struct stats_indication_flags);
265
266 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
267
268 __storm_memset_struct(bp, addr, size, (u32 *)flags);
269}
270
271static inline void storm_memset_cstats_flags(struct bnx2x *bp,
272 struct stats_indication_flags *flags,
273 u16 abs_fid)
274{
275 size_t size = sizeof(struct stats_indication_flags);
276
277 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
278
279 __storm_memset_struct(bp, addr, size, (u32 *)flags);
280}
281
282static inline void storm_memset_xstats_addr(struct bnx2x *bp,
283 dma_addr_t mapping, u16 abs_fid)
284{
285 u32 addr = BAR_XSTRORM_INTMEM +
286 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
287
288 __storm_memset_dma_mapping(bp, addr, mapping);
289}
290
291static inline void storm_memset_tstats_addr(struct bnx2x *bp,
292 dma_addr_t mapping, u16 abs_fid)
293{
294 u32 addr = BAR_TSTRORM_INTMEM +
295 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
296
297 __storm_memset_dma_mapping(bp, addr, mapping);
298}
299
300static inline void storm_memset_ustats_addr(struct bnx2x *bp,
301 dma_addr_t mapping, u16 abs_fid)
302{
303 u32 addr = BAR_USTRORM_INTMEM +
304 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
305
306 __storm_memset_dma_mapping(bp, addr, mapping);
307}
308
309static inline void storm_memset_cstats_addr(struct bnx2x *bp,
310 dma_addr_t mapping, u16 abs_fid)
311{
312 u32 addr = BAR_CSTRORM_INTMEM +
313 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
314
315 __storm_memset_dma_mapping(bp, addr, mapping);
316}
317
318static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
319 u16 pf_id)
320{
321 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
322 pf_id);
323 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
324 pf_id);
325 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
326 pf_id);
327 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
328 pf_id);
329}
330
331static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
332 u8 enable)
333{
334 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
335 enable);
336 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
337 enable);
338 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
339 enable);
340 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
341 enable);
342}
343
344static inline void storm_memset_eq_data(struct bnx2x *bp,
345 struct event_ring_data *eq_data,
346 u16 pfid)
347{
348 size_t size = sizeof(struct event_ring_data);
349
350 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
351
352 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
353}
354
355static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
356 u16 pfid)
357{
358 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
359 REG_WR16(bp, addr, eq_prod);
360}
361
362static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
363 u16 fw_sb_id, u8 sb_index,
364 u8 ticks)
365{
366
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000367 int index_offset = CHIP_IS_E2(bp) ?
368 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000369 offsetof(struct hc_status_block_data_e1x, index_data);
370 u32 addr = BAR_CSTRORM_INTMEM +
371 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
372 index_offset +
373 sizeof(struct hc_index_data)*sb_index +
374 offsetof(struct hc_index_data, timeout);
375 REG_WR8(bp, addr, ticks);
376 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
377 port, fw_sb_id, sb_index, ticks);
378}
379static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
380 u16 fw_sb_id, u8 sb_index,
381 u8 disable)
382{
383 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000384 int index_offset = CHIP_IS_E2(bp) ?
385 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000386 offsetof(struct hc_status_block_data_e1x, index_data);
387 u32 addr = BAR_CSTRORM_INTMEM +
388 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
389 index_offset +
390 sizeof(struct hc_index_data)*sb_index +
391 offsetof(struct hc_index_data, flags);
392 u16 flags = REG_RD16(bp, addr);
393 /* clear and set */
394 flags &= ~HC_INDEX_DATA_HC_ENABLED;
395 flags |= enable_flag;
396 REG_WR16(bp, addr, flags);
397 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
398 port, fw_sb_id, sb_index, disable);
399}
400
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200401/* used only at init
402 * locking is done by mcp
403 */
stephen hemminger8d962862010-10-21 07:50:56 +0000404static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200405{
406 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
407 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
408 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
409 PCICFG_VENDOR_ID_OFFSET);
410}
411
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200412static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
413{
414 u32 val;
415
416 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
417 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
418 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
419 PCICFG_VENDOR_ID_OFFSET);
420
421 return val;
422}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000424#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
425#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
426#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
427#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
428#define DMAE_DP_DST_NONE "dst_addr [none]"
429
stephen hemminger8d962862010-10-21 07:50:56 +0000430static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
431 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000432{
433 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
434
435 switch (dmae->opcode & DMAE_COMMAND_DST) {
436 case DMAE_CMD_DST_PCI:
437 if (src_type == DMAE_CMD_SRC_PCI)
438 DP(msglvl, "DMAE: opcode 0x%08x\n"
439 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
440 "comp_addr [%x:%08x], comp_val 0x%08x\n",
441 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
442 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
443 dmae->comp_addr_hi, dmae->comp_addr_lo,
444 dmae->comp_val);
445 else
446 DP(msglvl, "DMAE: opcode 0x%08x\n"
447 "src [%08x], len [%d*4], dst [%x:%08x]\n"
448 "comp_addr [%x:%08x], comp_val 0x%08x\n",
449 dmae->opcode, dmae->src_addr_lo >> 2,
450 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
451 dmae->comp_addr_hi, dmae->comp_addr_lo,
452 dmae->comp_val);
453 break;
454 case DMAE_CMD_DST_GRC:
455 if (src_type == DMAE_CMD_SRC_PCI)
456 DP(msglvl, "DMAE: opcode 0x%08x\n"
457 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
458 "comp_addr [%x:%08x], comp_val 0x%08x\n",
459 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
460 dmae->len, dmae->dst_addr_lo >> 2,
461 dmae->comp_addr_hi, dmae->comp_addr_lo,
462 dmae->comp_val);
463 else
464 DP(msglvl, "DMAE: opcode 0x%08x\n"
465 "src [%08x], len [%d*4], dst [%08x]\n"
466 "comp_addr [%x:%08x], comp_val 0x%08x\n",
467 dmae->opcode, dmae->src_addr_lo >> 2,
468 dmae->len, dmae->dst_addr_lo >> 2,
469 dmae->comp_addr_hi, dmae->comp_addr_lo,
470 dmae->comp_val);
471 break;
472 default:
473 if (src_type == DMAE_CMD_SRC_PCI)
474 DP(msglvl, "DMAE: opcode 0x%08x\n"
475 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
476 "dst_addr [none]\n"
477 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
478 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
479 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
480 dmae->comp_val);
481 else
482 DP(msglvl, "DMAE: opcode 0x%08x\n"
483 DP_LEVEL "src_addr [%08x] len [%d * 4] "
484 "dst_addr [none]\n"
485 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
486 dmae->opcode, dmae->src_addr_lo >> 2,
487 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
488 dmae->comp_val);
489 break;
490 }
491
492}
493
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000494const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200495 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
496 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
497 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
498 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
499};
500
501/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000502void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200503{
504 u32 cmd_offset;
505 int i;
506
507 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
508 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
509 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
510
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700511 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
512 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200513 }
514 REG_WR(bp, dmae_reg_go_c[idx], 1);
515}
516
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000517u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
518{
519 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
520 DMAE_CMD_C_ENABLE);
521}
522
523u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
524{
525 return opcode & ~DMAE_CMD_SRC_RESET;
526}
527
528u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
529 bool with_comp, u8 comp_type)
530{
531 u32 opcode = 0;
532
533 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
534 (dst_type << DMAE_COMMAND_DST_SHIFT));
535
536 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
537
538 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
539 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
540 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
541 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
542
543#ifdef __BIG_ENDIAN
544 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
545#else
546 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
547#endif
548 if (with_comp)
549 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
550 return opcode;
551}
552
stephen hemminger8d962862010-10-21 07:50:56 +0000553static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
554 struct dmae_command *dmae,
555 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000556{
557 memset(dmae, 0, sizeof(struct dmae_command));
558
559 /* set the opcode */
560 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
561 true, DMAE_COMP_PCI);
562
563 /* fill in the completion parameters */
564 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
565 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
566 dmae->comp_val = DMAE_COMP_VAL;
567}
568
569/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000570static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
571 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000572{
573 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000574 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000575 int rc = 0;
576
577 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
578 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
579 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
580
581 /* lock the dmae channel */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800582 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000583
584 /* reset completion */
585 *wb_comp = 0;
586
587 /* post the command on the channel used for initializations */
588 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
589
590 /* wait for completion */
591 udelay(5);
592 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
593 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
594
595 if (!cnt) {
596 BNX2X_ERR("DMAE timeout!\n");
597 rc = DMAE_TIMEOUT;
598 goto unlock;
599 }
600 cnt--;
601 udelay(50);
602 }
603 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
604 BNX2X_ERR("DMAE PCI error!\n");
605 rc = DMAE_PCI_ERROR;
606 }
607
608 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
609 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
610 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
611
612unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800613 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000614 return rc;
615}
616
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700617void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
618 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200619{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000620 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700621
622 if (!bp->dmae_ready) {
623 u32 *data = bnx2x_sp(bp, wb_data[0]);
624
625 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
626 " using indirect\n", dst_addr, len32);
627 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
628 return;
629 }
630
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000631 /* set opcode and fixed command fields */
632 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200633
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000634 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000635 dmae.src_addr_lo = U64_LO(dma_addr);
636 dmae.src_addr_hi = U64_HI(dma_addr);
637 dmae.dst_addr_lo = dst_addr >> 2;
638 dmae.dst_addr_hi = 0;
639 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000641 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200642
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000643 /* issue the command and wait for completion */
644 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200645}
646
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700647void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200648{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000649 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700650
651 if (!bp->dmae_ready) {
652 u32 *data = bnx2x_sp(bp, wb_data[0]);
653 int i;
654
655 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
656 " using indirect\n", src_addr, len32);
657 for (i = 0; i < len32; i++)
658 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
659 return;
660 }
661
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000662 /* set opcode and fixed command fields */
663 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200664
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000665 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000666 dmae.src_addr_lo = src_addr >> 2;
667 dmae.src_addr_hi = 0;
668 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
669 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
670 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000672 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200673
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000674 /* issue the command and wait for completion */
675 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200676}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677
stephen hemminger8d962862010-10-21 07:50:56 +0000678static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
679 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000680{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000681 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000682 int offset = 0;
683
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000684 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000685 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000686 addr + offset, dmae_wr_max);
687 offset += dmae_wr_max * 4;
688 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000689 }
690
691 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
692}
693
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700694/* used only for slowpath so not inlined */
695static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
696{
697 u32 wb_write[2];
698
699 wb_write[0] = val_hi;
700 wb_write[1] = val_lo;
701 REG_WR_DMAE(bp, reg, wb_write, 2);
702}
703
704#ifdef USE_WB_RD
705static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
706{
707 u32 wb_data[2];
708
709 REG_RD_DMAE(bp, reg, wb_data, 2);
710
711 return HILO_U64(wb_data[0], wb_data[1]);
712}
713#endif
714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200715static int bnx2x_mc_assert(struct bnx2x *bp)
716{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200717 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700718 int i, rc = 0;
719 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200720
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700721 /* XSTORM */
722 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
723 XSTORM_ASSERT_LIST_INDEX_OFFSET);
724 if (last_idx)
725 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200726
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700727 /* print the asserts */
728 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200729
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700730 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
731 XSTORM_ASSERT_LIST_OFFSET(i));
732 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
733 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
734 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
735 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
736 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
737 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200738
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700739 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
740 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
741 " 0x%08x 0x%08x 0x%08x\n",
742 i, row3, row2, row1, row0);
743 rc++;
744 } else {
745 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200746 }
747 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700748
749 /* TSTORM */
750 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
751 TSTORM_ASSERT_LIST_INDEX_OFFSET);
752 if (last_idx)
753 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
754
755 /* print the asserts */
756 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
757
758 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
759 TSTORM_ASSERT_LIST_OFFSET(i));
760 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
761 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
762 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
763 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
764 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
765 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
766
767 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
768 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
769 " 0x%08x 0x%08x 0x%08x\n",
770 i, row3, row2, row1, row0);
771 rc++;
772 } else {
773 break;
774 }
775 }
776
777 /* CSTORM */
778 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
779 CSTORM_ASSERT_LIST_INDEX_OFFSET);
780 if (last_idx)
781 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
782
783 /* print the asserts */
784 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
785
786 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
787 CSTORM_ASSERT_LIST_OFFSET(i));
788 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
789 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
790 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
791 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
792 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
793 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
794
795 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
796 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
797 " 0x%08x 0x%08x 0x%08x\n",
798 i, row3, row2, row1, row0);
799 rc++;
800 } else {
801 break;
802 }
803 }
804
805 /* USTORM */
806 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
807 USTORM_ASSERT_LIST_INDEX_OFFSET);
808 if (last_idx)
809 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
810
811 /* print the asserts */
812 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
813
814 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
815 USTORM_ASSERT_LIST_OFFSET(i));
816 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
817 USTORM_ASSERT_LIST_OFFSET(i) + 4);
818 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
819 USTORM_ASSERT_LIST_OFFSET(i) + 8);
820 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
821 USTORM_ASSERT_LIST_OFFSET(i) + 12);
822
823 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
824 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
825 " 0x%08x 0x%08x 0x%08x\n",
826 i, row3, row2, row1, row0);
827 rc++;
828 } else {
829 break;
830 }
831 }
832
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200833 return rc;
834}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800835
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200836static void bnx2x_fw_dump(struct bnx2x *bp)
837{
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000838 u32 addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200839 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000840 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200841 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000842 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000843 if (BP_NOMCP(bp)) {
844 BNX2X_ERR("NO MCP - can not dump\n");
845 return;
846 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000847
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000848 if (BP_PATH(bp) == 0)
849 trace_shmem_base = bp->common.shmem_base;
850 else
851 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
852 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000853 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000854 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
855 + ((mark + 0x3) & ~0x3) - 0x08000000;
Joe Perches7995c642010-02-17 15:01:52 +0000856 pr_err("begin fw dump (mark 0x%x)\n", mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200857
Joe Perches7995c642010-02-17 15:01:52 +0000858 pr_err("");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000859 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200860 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000861 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200862 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000863 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000865 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200866 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000867 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200868 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000869 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200870 }
Joe Perches7995c642010-02-17 15:01:52 +0000871 pr_err("end of fw dump\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200872}
873
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000874void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200875{
876 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000877 u16 j;
878 struct hc_sp_status_block_data sp_sb_data;
879 int func = BP_FUNC(bp);
880#ifdef BNX2X_STOP_ON_ERROR
881 u16 start = 0, end = 0;
882#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200883
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700884 bp->stats_state = STATS_STATE_DISABLED;
885 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
886
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200887 BNX2X_ERR("begin crash dump -----------------\n");
888
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000889 /* Indices */
890 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000891 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000892 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000893 bp->def_idx, bp->def_att_idx,
894 bp->attn_state, bp->spq_prod_idx);
895 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
896 bp->def_status_blk->atten_status_block.attn_bits,
897 bp->def_status_blk->atten_status_block.attn_bits_ack,
898 bp->def_status_blk->atten_status_block.status_block_id,
899 bp->def_status_blk->atten_status_block.attn_bits_index);
900 BNX2X_ERR(" def (");
901 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
902 pr_cont("0x%x%s",
903 bp->def_status_blk->sp_sb.index_values[i],
904 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000905
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000906 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
907 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
908 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
909 i*sizeof(u32));
910
911 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
912 "pf_id(0x%x) vnic_id(0x%x) "
913 "vf_id(0x%x) vf_valid (0x%x)\n",
914 sp_sb_data.igu_sb_id,
915 sp_sb_data.igu_seg_id,
916 sp_sb_data.p_func.pf_id,
917 sp_sb_data.p_func.vnic_id,
918 sp_sb_data.p_func.vf_id,
919 sp_sb_data.p_func.vf_valid);
920
921
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000922 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000923 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000924 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000925 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000926 struct hc_status_block_data_e1x sb_data_e1x;
927 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000928 CHIP_IS_E2(bp) ?
929 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000930 sb_data_e1x.common.state_machine;
931 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000932 CHIP_IS_E2(bp) ?
933 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000934 sb_data_e1x.index_data;
935 int data_size;
936 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000937
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000938 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000939 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000940 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000941 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000942 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000943 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000944 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000945 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000946 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000947 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000948 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000949
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000950 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000951 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
952 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
953 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200954 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700955 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000956
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000957 loop = CHIP_IS_E2(bp) ?
958 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000959
960 /* host sb data */
961
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000962#ifdef BCM_CNIC
963 if (IS_FCOE_FP(fp))
964 continue;
965#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000966 BNX2X_ERR(" run indexes (");
967 for (j = 0; j < HC_SB_MAX_SM; j++)
968 pr_cont("0x%x%s",
969 fp->sb_running_index[j],
970 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
971
972 BNX2X_ERR(" indexes (");
973 for (j = 0; j < loop; j++)
974 pr_cont("0x%x%s",
975 fp->sb_index_values[j],
976 (j == loop - 1) ? ")" : " ");
977 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000978 data_size = CHIP_IS_E2(bp) ?
979 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000980 sizeof(struct hc_status_block_data_e1x);
981 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000982 sb_data_p = CHIP_IS_E2(bp) ?
983 (u32 *)&sb_data_e2 :
984 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000985 /* copy sb data in here */
986 for (j = 0; j < data_size; j++)
987 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
988 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
989 j * sizeof(u32));
990
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000991 if (CHIP_IS_E2(bp)) {
992 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
993 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
994 sb_data_e2.common.p_func.pf_id,
995 sb_data_e2.common.p_func.vf_id,
996 sb_data_e2.common.p_func.vf_valid,
997 sb_data_e2.common.p_func.vnic_id,
998 sb_data_e2.common.same_igu_sb_1b);
999 } else {
1000 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1001 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1002 sb_data_e1x.common.p_func.pf_id,
1003 sb_data_e1x.common.p_func.vf_id,
1004 sb_data_e1x.common.p_func.vf_valid,
1005 sb_data_e1x.common.p_func.vnic_id,
1006 sb_data_e1x.common.same_igu_sb_1b);
1007 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001008
1009 /* SB_SMs data */
1010 for (j = 0; j < HC_SB_MAX_SM; j++) {
1011 pr_cont("SM[%d] __flags (0x%x) "
1012 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1013 "time_to_expire (0x%x) "
1014 "timer_value(0x%x)\n", j,
1015 hc_sm_p[j].__flags,
1016 hc_sm_p[j].igu_sb_id,
1017 hc_sm_p[j].igu_seg_id,
1018 hc_sm_p[j].time_to_expire,
1019 hc_sm_p[j].timer_value);
1020 }
1021
1022 /* Indecies data */
1023 for (j = 0; j < loop; j++) {
1024 pr_cont("INDEX[%d] flags (0x%x) "
1025 "timeout (0x%x)\n", j,
1026 hc_index_p[j].flags,
1027 hc_index_p[j].timeout);
1028 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001029 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001030
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001031#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001032 /* Rings */
1033 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001034 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001035 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001036
1037 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1038 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001039 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001040 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1041 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1042
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001043 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1044 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001045 }
1046
Eilon Greenstein3196a882008-08-13 15:58:49 -07001047 start = RX_SGE(fp->rx_sge_prod);
1048 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001049 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001050 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1051 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1052
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001053 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1054 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001055 }
1056
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001057 start = RCQ_BD(fp->rx_comp_cons - 10);
1058 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001059 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001060 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1061
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001062 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1063 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001064 }
1065 }
1066
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001067 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001068 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001069 struct bnx2x_fastpath *fp = &bp->fp[i];
1070
1071 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1072 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1073 for (j = start; j != end; j = TX_BD(j + 1)) {
1074 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1075
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001076 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1077 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001078 }
1079
1080 start = TX_BD(fp->tx_bd_cons - 10);
1081 end = TX_BD(fp->tx_bd_cons + 254);
1082 for (j = start; j != end; j = TX_BD(j + 1)) {
1083 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1084
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001085 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1086 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001087 }
1088 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001089#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001090 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001091 bnx2x_mc_assert(bp);
1092 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001093}
1094
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001095static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001096{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001097 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001098 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1099 u32 val = REG_RD(bp, addr);
1100 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001101 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001102
1103 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001104 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1105 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001106 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1107 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001108 } else if (msi) {
1109 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1110 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1111 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1112 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001113 } else {
1114 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001115 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001116 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1117 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001118
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001119 if (!CHIP_IS_E1(bp)) {
1120 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1121 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001122
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001123 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001124
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001125 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1126 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001127 }
1128
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001129 if (CHIP_IS_E1(bp))
1130 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1131
Eilon Greenstein8badd272009-02-12 08:36:15 +00001132 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1133 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001134
1135 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001136 /*
1137 * Ensure that HC_CONFIG is written before leading/trailing edge config
1138 */
1139 mmiowb();
1140 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001141
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001142 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001143 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001144 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001145 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001146 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001147 /* enable nig and gpio3 attention */
1148 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001149 } else
1150 val = 0xffff;
1151
1152 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1153 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1154 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001155
1156 /* Make sure that interrupts are indeed enabled from here on */
1157 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001158}
1159
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001160static void bnx2x_igu_int_enable(struct bnx2x *bp)
1161{
1162 u32 val;
1163 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1164 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1165
1166 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1167
1168 if (msix) {
1169 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1170 IGU_PF_CONF_SINGLE_ISR_EN);
1171 val |= (IGU_PF_CONF_FUNC_EN |
1172 IGU_PF_CONF_MSI_MSIX_EN |
1173 IGU_PF_CONF_ATTN_BIT_EN);
1174 } else if (msi) {
1175 val &= ~IGU_PF_CONF_INT_LINE_EN;
1176 val |= (IGU_PF_CONF_FUNC_EN |
1177 IGU_PF_CONF_MSI_MSIX_EN |
1178 IGU_PF_CONF_ATTN_BIT_EN |
1179 IGU_PF_CONF_SINGLE_ISR_EN);
1180 } else {
1181 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1182 val |= (IGU_PF_CONF_FUNC_EN |
1183 IGU_PF_CONF_INT_LINE_EN |
1184 IGU_PF_CONF_ATTN_BIT_EN |
1185 IGU_PF_CONF_SINGLE_ISR_EN);
1186 }
1187
1188 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1189 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1190
1191 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1192
1193 barrier();
1194
1195 /* init leading/trailing edge */
1196 if (IS_MF(bp)) {
1197 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1198 if (bp->port.pmf)
1199 /* enable nig and gpio3 attention */
1200 val |= 0x1100;
1201 } else
1202 val = 0xffff;
1203
1204 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1205 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1206
1207 /* Make sure that interrupts are indeed enabled from here on */
1208 mmiowb();
1209}
1210
1211void bnx2x_int_enable(struct bnx2x *bp)
1212{
1213 if (bp->common.int_block == INT_BLOCK_HC)
1214 bnx2x_hc_int_enable(bp);
1215 else
1216 bnx2x_igu_int_enable(bp);
1217}
1218
1219static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001220{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001221 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001222 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1223 u32 val = REG_RD(bp, addr);
1224
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001225 /*
1226 * in E1 we must use only PCI configuration space to disable
1227 * MSI/MSIX capablility
1228 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1229 */
1230 if (CHIP_IS_E1(bp)) {
1231 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1232 * Use mask register to prevent from HC sending interrupts
1233 * after we exit the function
1234 */
1235 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1236
1237 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1238 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1239 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1240 } else
1241 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1242 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1243 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1244 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001245
1246 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1247 val, port, addr);
1248
Eilon Greenstein8badd272009-02-12 08:36:15 +00001249 /* flush all outstanding writes */
1250 mmiowb();
1251
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001252 REG_WR(bp, addr, val);
1253 if (REG_RD(bp, addr) != val)
1254 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1255}
1256
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001257static void bnx2x_igu_int_disable(struct bnx2x *bp)
1258{
1259 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1260
1261 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1262 IGU_PF_CONF_INT_LINE_EN |
1263 IGU_PF_CONF_ATTN_BIT_EN);
1264
1265 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1266
1267 /* flush all outstanding writes */
1268 mmiowb();
1269
1270 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1271 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1272 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1273}
1274
stephen hemminger8d962862010-10-21 07:50:56 +00001275static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001276{
1277 if (bp->common.int_block == INT_BLOCK_HC)
1278 bnx2x_hc_int_disable(bp);
1279 else
1280 bnx2x_igu_int_disable(bp);
1281}
1282
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001283void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001284{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001285 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001286 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001287
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001288 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001289 atomic_inc(&bp->intr_sem);
Eilon Greensteine1510702009-07-21 05:47:41 +00001290 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1291
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001292 if (disable_hw)
1293 /* prevent the HW from sending interrupts */
1294 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001295
1296 /* make sure all ISRs are done */
1297 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001298 synchronize_irq(bp->msix_table[0].vector);
1299 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001300#ifdef BCM_CNIC
1301 offset++;
1302#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001303 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001304 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001305 } else
1306 synchronize_irq(bp->pdev->irq);
1307
1308 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001309 cancel_delayed_work(&bp->sp_task);
1310 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001311}
1312
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001313/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001314
1315/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001316 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001317 */
1318
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001319/* Return true if succeeded to acquire the lock */
1320static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1321{
1322 u32 lock_status;
1323 u32 resource_bit = (1 << resource);
1324 int func = BP_FUNC(bp);
1325 u32 hw_lock_control_reg;
1326
1327 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1328
1329 /* Validating that the resource is within range */
1330 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1331 DP(NETIF_MSG_HW,
1332 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1333 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001334 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001335 }
1336
1337 if (func <= 5)
1338 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1339 else
1340 hw_lock_control_reg =
1341 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1342
1343 /* Try to acquire the lock */
1344 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1345 lock_status = REG_RD(bp, hw_lock_control_reg);
1346 if (lock_status & resource_bit)
1347 return true;
1348
1349 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1350 return false;
1351}
1352
Michael Chan993ac7b2009-10-10 13:46:56 +00001353#ifdef BCM_CNIC
1354static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1355#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001356
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001357void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001358 union eth_rx_cqe *rr_cqe)
1359{
1360 struct bnx2x *bp = fp->bp;
1361 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1362 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1363
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001364 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001365 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001366 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001367 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001368
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001369 switch (command | fp->state) {
1370 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1371 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1372 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001373 break;
1374
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001375 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1376 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001377 fp->state = BNX2X_FP_STATE_HALTED;
1378 break;
1379
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001380 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1381 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1382 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001383 break;
1384
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001385 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001386 BNX2X_ERR("unexpected MC reply (%d) "
1387 "fp[%d] state is %x\n",
1388 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001389 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001390 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001391
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001392 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001393 atomic_inc(&bp->cq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001394 /* push the change in fp->state and towards the memory */
1395 smp_wmb();
1396
1397 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001398}
1399
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001400irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001401{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001402 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001403 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001404 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001405 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001406
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001407 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001408 if (unlikely(status == 0)) {
1409 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1410 return IRQ_NONE;
1411 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001412 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001414 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1416 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1417 return IRQ_HANDLED;
1418 }
1419
Eilon Greenstein3196a882008-08-13 15:58:49 -07001420#ifdef BNX2X_STOP_ON_ERROR
1421 if (unlikely(bp->panic))
1422 return IRQ_HANDLED;
1423#endif
1424
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001425 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001426 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001427
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001428 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001429 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001430 /* Handle Rx and Tx according to SB id */
1431 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001432 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001433 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001434 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001435 status &= ~mask;
1436 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001437 }
1438
Michael Chan993ac7b2009-10-10 13:46:56 +00001439#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001440 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001441 if (status & (mask | 0x1)) {
1442 struct cnic_ops *c_ops = NULL;
1443
1444 rcu_read_lock();
1445 c_ops = rcu_dereference(bp->cnic_ops);
1446 if (c_ops)
1447 c_ops->cnic_handler(bp->cnic_data, NULL);
1448 rcu_read_unlock();
1449
1450 status &= ~mask;
1451 }
1452#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001453
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001454 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001455 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001456
1457 status &= ~0x1;
1458 if (!status)
1459 return IRQ_HANDLED;
1460 }
1461
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001462 if (unlikely(status))
1463 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001464 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001465
1466 return IRQ_HANDLED;
1467}
1468
1469/* end of fast path */
1470
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001471
1472/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001473
1474/*
1475 * General service functions
1476 */
1477
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001478int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001479{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001480 u32 lock_status;
1481 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001482 int func = BP_FUNC(bp);
1483 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001484 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001485
1486 /* Validating that the resource is within range */
1487 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1488 DP(NETIF_MSG_HW,
1489 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1490 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1491 return -EINVAL;
1492 }
1493
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001494 if (func <= 5) {
1495 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1496 } else {
1497 hw_lock_control_reg =
1498 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1499 }
1500
Eliezer Tamirf1410642008-02-28 11:51:50 -08001501 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001502 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001503 if (lock_status & resource_bit) {
1504 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1505 lock_status, resource_bit);
1506 return -EEXIST;
1507 }
1508
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001509 /* Try for 5 second every 5ms */
1510 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001511 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001512 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1513 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001514 if (lock_status & resource_bit)
1515 return 0;
1516
1517 msleep(5);
1518 }
1519 DP(NETIF_MSG_HW, "Timeout\n");
1520 return -EAGAIN;
1521}
1522
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001523int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001524{
1525 u32 lock_status;
1526 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001527 int func = BP_FUNC(bp);
1528 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001529
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001530 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1531
Eliezer Tamirf1410642008-02-28 11:51:50 -08001532 /* Validating that the resource is within range */
1533 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1534 DP(NETIF_MSG_HW,
1535 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1536 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1537 return -EINVAL;
1538 }
1539
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001540 if (func <= 5) {
1541 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1542 } else {
1543 hw_lock_control_reg =
1544 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1545 }
1546
Eliezer Tamirf1410642008-02-28 11:51:50 -08001547 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001548 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001549 if (!(lock_status & resource_bit)) {
1550 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1551 lock_status, resource_bit);
1552 return -EFAULT;
1553 }
1554
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001555 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001556 return 0;
1557}
1558
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001559
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001560int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1561{
1562 /* The GPIO should be swapped if swap register is set and active */
1563 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1564 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1565 int gpio_shift = gpio_num +
1566 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1567 u32 gpio_mask = (1 << gpio_shift);
1568 u32 gpio_reg;
1569 int value;
1570
1571 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1572 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1573 return -EINVAL;
1574 }
1575
1576 /* read GPIO value */
1577 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1578
1579 /* get the requested pin value */
1580 if ((gpio_reg & gpio_mask) == gpio_mask)
1581 value = 1;
1582 else
1583 value = 0;
1584
1585 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1586
1587 return value;
1588}
1589
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001590int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001591{
1592 /* The GPIO should be swapped if swap register is set and active */
1593 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001594 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001595 int gpio_shift = gpio_num +
1596 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1597 u32 gpio_mask = (1 << gpio_shift);
1598 u32 gpio_reg;
1599
1600 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1601 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1602 return -EINVAL;
1603 }
1604
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001605 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001606 /* read GPIO and mask except the float bits */
1607 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1608
1609 switch (mode) {
1610 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1611 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1612 gpio_num, gpio_shift);
1613 /* clear FLOAT and set CLR */
1614 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1615 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1616 break;
1617
1618 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1619 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1620 gpio_num, gpio_shift);
1621 /* clear FLOAT and set SET */
1622 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1623 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1624 break;
1625
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001626 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001627 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1628 gpio_num, gpio_shift);
1629 /* set FLOAT */
1630 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1631 break;
1632
1633 default:
1634 break;
1635 }
1636
1637 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001638 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001639
1640 return 0;
1641}
1642
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001643int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1644{
1645 /* The GPIO should be swapped if swap register is set and active */
1646 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1647 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1648 int gpio_shift = gpio_num +
1649 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1650 u32 gpio_mask = (1 << gpio_shift);
1651 u32 gpio_reg;
1652
1653 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1654 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1655 return -EINVAL;
1656 }
1657
1658 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1659 /* read GPIO int */
1660 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1661
1662 switch (mode) {
1663 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1664 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1665 "output low\n", gpio_num, gpio_shift);
1666 /* clear SET and set CLR */
1667 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1668 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1669 break;
1670
1671 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1672 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1673 "output high\n", gpio_num, gpio_shift);
1674 /* clear CLR and set SET */
1675 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1676 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1677 break;
1678
1679 default:
1680 break;
1681 }
1682
1683 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1684 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1685
1686 return 0;
1687}
1688
Eliezer Tamirf1410642008-02-28 11:51:50 -08001689static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1690{
1691 u32 spio_mask = (1 << spio_num);
1692 u32 spio_reg;
1693
1694 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1695 (spio_num > MISC_REGISTERS_SPIO_7)) {
1696 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1697 return -EINVAL;
1698 }
1699
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001700 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001701 /* read SPIO and mask except the float bits */
1702 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1703
1704 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001705 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001706 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1707 /* clear FLOAT and set CLR */
1708 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1709 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1710 break;
1711
Eilon Greenstein6378c022008-08-13 15:59:25 -07001712 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001713 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1714 /* clear FLOAT and set SET */
1715 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1716 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1717 break;
1718
1719 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1720 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1721 /* set FLOAT */
1722 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1723 break;
1724
1725 default:
1726 break;
1727 }
1728
1729 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001730 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001731
1732 return 0;
1733}
1734
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001735void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001736{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001737 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001738 switch (bp->link_vars.ieee_fc &
1739 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001740 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001741 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001742 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001743 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001744
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001745 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001746 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001747 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001748 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001749
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001750 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001751 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001752 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001753
Eliezer Tamirf1410642008-02-28 11:51:50 -08001754 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001755 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001756 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001757 break;
1758 }
1759}
1760
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001761u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001762{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001763 if (!BP_NOMCP(bp)) {
1764 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001765 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1766 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001767 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001768 /* It is recommended to turn off RX FC for jumbo frames
1769 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001770 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001771 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001772 else
David S. Millerc0700f92008-12-16 23:53:20 -08001773 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001774
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001775 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001776
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001777 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001778 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001779 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1780 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001781
Eilon Greenstein19680c42008-08-13 15:47:33 -07001782 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001783
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001784 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001785
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001786 bnx2x_calc_fc_adv(bp);
1787
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001788 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1789 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001790 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001791 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001792 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001793 return rc;
1794 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001795 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001796 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001797}
1798
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001799void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001800{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001801 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001802 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001803 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001804 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001805 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001806
Eilon Greenstein19680c42008-08-13 15:47:33 -07001807 bnx2x_calc_fc_adv(bp);
1808 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001809 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001810}
1811
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001812static void bnx2x__link_reset(struct bnx2x *bp)
1813{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001814 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001815 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001816 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001817 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001818 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001819 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001820}
1821
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001822u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001823{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001824 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001825
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001826 if (!BP_NOMCP(bp)) {
1827 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001828 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1829 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001830 bnx2x_release_phy_lock(bp);
1831 } else
1832 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001833
1834 return rc;
1835}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001836
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001837static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001838{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001839 u32 r_param = bp->link_vars.line_speed / 8;
1840 u32 fair_periodic_timeout_usec;
1841 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001842
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001843 memset(&(bp->cmng.rs_vars), 0,
1844 sizeof(struct rate_shaping_vars_per_port));
1845 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001846
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001847 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1848 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001849
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001850 /* this is the threshold below which no timer arming will occur
1851 1.25 coefficient is for the threshold to be a little bigger
1852 than the real time, to compensate for timer in-accuracy */
1853 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001854 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1855
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001856 /* resolution of fairness timer */
1857 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1858 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1859 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001860
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001861 /* this is the threshold below which we won't arm the timer anymore */
1862 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001863
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001864 /* we multiply by 1e3/8 to get bytes/msec.
1865 We don't want the credits to pass a credit
1866 of the t_fair*FAIR_MEM (algorithm resolution) */
1867 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1868 /* since each tick is 4 usec */
1869 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001870}
1871
Eilon Greenstein2691d512009-08-12 08:22:08 +00001872/* Calculates the sum of vn_min_rates.
1873 It's needed for further normalizing of the min_rates.
1874 Returns:
1875 sum of vn_min_rates.
1876 or
1877 0 - if all the min_rates are 0.
1878 In the later case fainess algorithm should be deactivated.
1879 If not all min_rates are zero then those that are zeroes will be set to 1.
1880 */
1881static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1882{
1883 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001884 int vn;
1885
1886 bp->vn_weight_sum = 0;
1887 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001888 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001889 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1890 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1891
1892 /* Skip hidden vns */
1893 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1894 continue;
1895
1896 /* If min rate is zero - set it to 1 */
1897 if (!vn_min_rate)
1898 vn_min_rate = DEF_MIN_RATE;
1899 else
1900 all_zero = 0;
1901
1902 bp->vn_weight_sum += vn_min_rate;
1903 }
1904
1905 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001906 if (all_zero) {
1907 bp->cmng.flags.cmng_enables &=
1908 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1909 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1910 " fairness will be disabled\n");
1911 } else
1912 bp->cmng.flags.cmng_enables |=
1913 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001914}
1915
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001916static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001917{
1918 struct rate_shaping_vars_per_vn m_rs_vn;
1919 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001920 u32 vn_cfg = bp->mf_config[vn];
1921 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001922 u16 vn_min_rate, vn_max_rate;
1923 int i;
1924
1925 /* If function is hidden - set min and max to zeroes */
1926 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1927 vn_min_rate = 0;
1928 vn_max_rate = 0;
1929
1930 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001931 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
1932
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001933 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1934 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001935 /* If fairness is enabled (not all min rates are zeroes) and
1936 if current min rate is zero - set it to 1.
1937 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001938 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001939 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001940
1941 if (IS_MF_SI(bp))
1942 /* maxCfg in percents of linkspeed */
1943 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
1944 else
1945 /* maxCfg is absolute in 100Mb units */
1946 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001947 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001948
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001949 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001950 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001951 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001952
1953 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1954 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1955
1956 /* global vn counter - maximal Mbps for this vn */
1957 m_rs_vn.vn_counter.rate = vn_max_rate;
1958
1959 /* quota - number of bytes transmitted in this period */
1960 m_rs_vn.vn_counter.quota =
1961 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
1962
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001963 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001964 /* credit for each period of the fairness algorithm:
1965 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001966 vn_weight_sum should not be larger than 10000, thus
1967 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
1968 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001969 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001970 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
1971 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00001972 (bp->cmng.fair_vars.fair_threshold +
1973 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001974 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001975 m_fair_vn.vn_credit_delta);
1976 }
1977
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001978 /* Store it to internal memory */
1979 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
1980 REG_WR(bp, BAR_XSTRORM_INTMEM +
1981 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
1982 ((u32 *)(&m_rs_vn))[i]);
1983
1984 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
1985 REG_WR(bp, BAR_XSTRORM_INTMEM +
1986 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
1987 ((u32 *)(&m_fair_vn))[i]);
1988}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001989
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001990static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
1991{
1992 if (CHIP_REV_IS_SLOW(bp))
1993 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001994 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001995 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001996
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001997 return CMNG_FNS_NONE;
1998}
1999
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002000void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002001{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002002 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002003
2004 if (BP_NOMCP(bp))
2005 return; /* what should be the default bvalue in this case */
2006
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002007 /* For 2 port configuration the absolute function number formula
2008 * is:
2009 * abs_func = 2 * vn + BP_PORT + BP_PATH
2010 *
2011 * and there are 4 functions per port
2012 *
2013 * For 4 port configuration it is
2014 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2015 *
2016 * and there are 2 functions per port
2017 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002018 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002019 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2020
2021 if (func >= E1H_FUNC_MAX)
2022 break;
2023
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002024 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002025 MF_CFG_RD(bp, func_mf_config[func].config);
2026 }
2027}
2028
2029static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2030{
2031
2032 if (cmng_type == CMNG_FNS_MINMAX) {
2033 int vn;
2034
2035 /* clear cmng_enables */
2036 bp->cmng.flags.cmng_enables = 0;
2037
2038 /* read mf conf from shmem */
2039 if (read_cfg)
2040 bnx2x_read_mf_cfg(bp);
2041
2042 /* Init rate shaping and fairness contexts */
2043 bnx2x_init_port_minmax(bp);
2044
2045 /* vn_weight_sum and enable fairness if not 0 */
2046 bnx2x_calc_vn_weight_sum(bp);
2047
2048 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002049 if (bp->port.pmf)
2050 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2051 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002052
2053 /* always enable rate shaping and fairness */
2054 bp->cmng.flags.cmng_enables |=
2055 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2056 if (!bp->vn_weight_sum)
2057 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2058 " fairness will be disabled\n");
2059 return;
2060 }
2061
2062 /* rate shaping and fairness are disabled */
2063 DP(NETIF_MSG_IFUP,
2064 "rate shaping and fairness are disabled\n");
2065}
2066
2067static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2068{
2069 int port = BP_PORT(bp);
2070 int func;
2071 int vn;
2072
2073 /* Set the attention towards other drivers on the same port */
2074 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2075 if (vn == BP_E1HVN(bp))
2076 continue;
2077
2078 func = ((vn << 1) | port);
2079 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2080 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2081 }
2082}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002083
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002084/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002085static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002086{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002087 /* Make sure that we are synced with the current statistics */
2088 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2089
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002090 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002091
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002092 if (bp->link_vars.link_up) {
2093
Eilon Greenstein1c063282009-02-12 08:36:43 +00002094 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002095 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002096 int port = BP_PORT(bp);
2097 u32 pause_enabled = 0;
2098
2099 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2100 pause_enabled = 1;
2101
2102 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002103 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002104 pause_enabled);
2105 }
2106
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002107 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2108 struct host_port_stats *pstats;
2109
2110 pstats = bnx2x_sp(bp, port_stats);
2111 /* reset old bmac stats */
2112 memset(&(pstats->mac_stx[0]), 0,
2113 sizeof(struct mac_stx));
2114 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002115 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002116 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2117 }
2118
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002119 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2120 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002121
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002122 if (cmng_fns != CMNG_FNS_NONE) {
2123 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2124 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2125 } else
2126 /* rate shaping and fairness are disabled */
2127 DP(NETIF_MSG_IFUP,
2128 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002129 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002130
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002131 __bnx2x_link_report(bp);
2132
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002133 if (IS_MF(bp))
2134 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002135}
2136
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002137void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002138{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002139 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002140 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002141
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002142 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2143
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002144 if (bp->link_vars.link_up)
2145 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2146 else
2147 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2148
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002149 /* indicate link status */
2150 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002151}
2152
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002153static void bnx2x_pmf_update(struct bnx2x *bp)
2154{
2155 int port = BP_PORT(bp);
2156 u32 val;
2157
2158 bp->port.pmf = 1;
2159 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2160
2161 /* enable nig attention */
2162 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002163 if (bp->common.int_block == INT_BLOCK_HC) {
2164 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2165 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2166 } else if (CHIP_IS_E2(bp)) {
2167 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2168 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2169 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002170
2171 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002172}
2173
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002174/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002175
2176/* slow path */
2177
2178/*
2179 * General service functions
2180 */
2181
Eilon Greenstein2691d512009-08-12 08:22:08 +00002182/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002183u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002184{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002185 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002186 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002187 u32 rc = 0;
2188 u32 cnt = 1;
2189 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2190
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002191 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002192 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002193 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2194 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2195
Eilon Greenstein2691d512009-08-12 08:22:08 +00002196 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2197
2198 do {
2199 /* let the FW do it's magic ... */
2200 msleep(delay);
2201
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002202 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002203
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002204 /* Give the FW up to 5 second (500*10ms) */
2205 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002206
2207 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2208 cnt*delay, rc, seq);
2209
2210 /* is this a reply to our command? */
2211 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2212 rc &= FW_MSG_CODE_MASK;
2213 else {
2214 /* FW BUG! */
2215 BNX2X_ERR("FW failed to respond!\n");
2216 bnx2x_fw_dump(bp);
2217 rc = 0;
2218 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002219 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002220
2221 return rc;
2222}
2223
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002224static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2225{
2226#ifdef BCM_CNIC
2227 if (IS_FCOE_FP(fp) && IS_MF(bp))
2228 return false;
2229#endif
2230 return true;
2231}
2232
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002233/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002234static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002235{
2236 u32 mask = (1 << cl_id);
2237
2238 /* initial seeting is BNX2X_ACCEPT_NONE */
2239 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2240 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2241 u8 unmatched_unicast = 0;
2242
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002243 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2244 unmatched_unicast = 1;
2245
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002246 if (filters & BNX2X_PROMISCUOUS_MODE) {
2247 /* promiscious - accept all, drop none */
2248 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2249 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002250 if (IS_MF_SI(bp)) {
2251 /*
2252 * SI mode defines to accept in promiscuos mode
2253 * only unmatched packets
2254 */
2255 unmatched_unicast = 1;
2256 accp_all_ucast = 0;
2257 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002258 }
2259 if (filters & BNX2X_ACCEPT_UNICAST) {
2260 /* accept matched ucast */
2261 drop_all_ucast = 0;
2262 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002263 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002264 /* accept matched mcast */
2265 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002266
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002267 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2268 /* accept all mcast */
2269 drop_all_ucast = 0;
2270 accp_all_ucast = 1;
2271 }
2272 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2273 /* accept all mcast */
2274 drop_all_mcast = 0;
2275 accp_all_mcast = 1;
2276 }
2277 if (filters & BNX2X_ACCEPT_BROADCAST) {
2278 /* accept (all) bcast */
2279 drop_all_bcast = 0;
2280 accp_all_bcast = 1;
2281 }
2282
2283 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2284 bp->mac_filters.ucast_drop_all | mask :
2285 bp->mac_filters.ucast_drop_all & ~mask;
2286
2287 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2288 bp->mac_filters.mcast_drop_all | mask :
2289 bp->mac_filters.mcast_drop_all & ~mask;
2290
2291 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2292 bp->mac_filters.bcast_drop_all | mask :
2293 bp->mac_filters.bcast_drop_all & ~mask;
2294
2295 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2296 bp->mac_filters.ucast_accept_all | mask :
2297 bp->mac_filters.ucast_accept_all & ~mask;
2298
2299 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2300 bp->mac_filters.mcast_accept_all | mask :
2301 bp->mac_filters.mcast_accept_all & ~mask;
2302
2303 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2304 bp->mac_filters.bcast_accept_all | mask :
2305 bp->mac_filters.bcast_accept_all & ~mask;
2306
2307 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2308 bp->mac_filters.unmatched_unicast | mask :
2309 bp->mac_filters.unmatched_unicast & ~mask;
2310}
2311
stephen hemminger8d962862010-10-21 07:50:56 +00002312static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002313{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002314 struct tstorm_eth_function_common_config tcfg = {0};
2315 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002316
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002317 /* tpa */
2318 if (p->func_flgs & FUNC_FLG_TPA)
2319 tcfg.config_flags |=
2320 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002321
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002322 /* set rss flags */
2323 rss_flgs = (p->rss->mode <<
2324 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002325
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002326 if (p->rss->cap & RSS_IPV4_CAP)
2327 rss_flgs |= RSS_IPV4_CAP_MASK;
2328 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2329 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2330 if (p->rss->cap & RSS_IPV6_CAP)
2331 rss_flgs |= RSS_IPV6_CAP_MASK;
2332 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2333 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002334
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002335 tcfg.config_flags |= rss_flgs;
2336 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002337
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002338 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002339
2340 /* Enable the function in the FW */
2341 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2342 storm_memset_func_en(bp, p->func_id, 1);
2343
2344 /* statistics */
2345 if (p->func_flgs & FUNC_FLG_STATS) {
2346 struct stats_indication_flags stats_flags = {0};
2347 stats_flags.collect_eth = 1;
2348
2349 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2350 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2351
2352 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2353 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2354
2355 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2356 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2357
2358 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2359 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2360 }
2361
2362 /* spq */
2363 if (p->func_flgs & FUNC_FLG_SPQ) {
2364 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2365 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2366 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2367 }
2368}
2369
2370static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2371 struct bnx2x_fastpath *fp)
2372{
2373 u16 flags = 0;
2374
2375 /* calculate queue flags */
2376 flags |= QUEUE_FLG_CACHE_ALIGN;
2377 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002378 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002379
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002380 flags |= QUEUE_FLG_VLAN;
2381 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002382
2383 if (!fp->disable_tpa)
2384 flags |= QUEUE_FLG_TPA;
2385
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002386 flags = stat_counter_valid(bp, fp) ?
2387 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002388
2389 return flags;
2390}
2391
2392static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2393 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2394 struct bnx2x_rxq_init_params *rxq_init)
2395{
2396 u16 max_sge = 0;
2397 u16 sge_sz = 0;
2398 u16 tpa_agg_size = 0;
2399
2400 /* calculate queue flags */
2401 u16 flags = bnx2x_get_cl_flags(bp, fp);
2402
2403 if (!fp->disable_tpa) {
2404 pause->sge_th_hi = 250;
2405 pause->sge_th_lo = 150;
2406 tpa_agg_size = min_t(u32,
2407 (min_t(u32, 8, MAX_SKB_FRAGS) *
2408 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2409 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2410 SGE_PAGE_SHIFT;
2411 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2412 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2413 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2414 0xffff);
2415 }
2416
2417 /* pause - not for e1 */
2418 if (!CHIP_IS_E1(bp)) {
2419 pause->bd_th_hi = 350;
2420 pause->bd_th_lo = 250;
2421 pause->rcq_th_hi = 350;
2422 pause->rcq_th_lo = 250;
2423 pause->sge_th_hi = 0;
2424 pause->sge_th_lo = 0;
2425 pause->pri_map = 1;
2426 }
2427
2428 /* rxq setup */
2429 rxq_init->flags = flags;
2430 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2431 rxq_init->dscr_map = fp->rx_desc_mapping;
2432 rxq_init->sge_map = fp->rx_sge_mapping;
2433 rxq_init->rcq_map = fp->rx_comp_mapping;
2434 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002435
2436 /* Always use mini-jumbo MTU for FCoE L2 ring */
2437 if (IS_FCOE_FP(fp))
2438 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2439 else
2440 rxq_init->mtu = bp->dev->mtu;
2441
2442 rxq_init->buf_sz = fp->rx_buf_size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002443 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2444 rxq_init->cl_id = fp->cl_id;
2445 rxq_init->spcl_id = fp->cl_id;
2446 rxq_init->stat_id = fp->cl_id;
2447 rxq_init->tpa_agg_sz = tpa_agg_size;
2448 rxq_init->sge_buf_sz = sge_sz;
2449 rxq_init->max_sges_pkt = max_sge;
2450 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2451 rxq_init->fw_sb_id = fp->fw_sb_id;
2452
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002453 if (IS_FCOE_FP(fp))
2454 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2455 else
2456 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002457
2458 rxq_init->cid = HW_CID(bp, fp->cid);
2459
2460 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2461}
2462
2463static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2464 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2465{
2466 u16 flags = bnx2x_get_cl_flags(bp, fp);
2467
2468 txq_init->flags = flags;
2469 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2470 txq_init->dscr_map = fp->tx_desc_mapping;
2471 txq_init->stat_id = fp->cl_id;
2472 txq_init->cid = HW_CID(bp, fp->cid);
2473 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2474 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2475 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002476
2477 if (IS_FCOE_FP(fp)) {
2478 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2479 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2480 }
2481
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002482 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2483}
2484
stephen hemminger8d962862010-10-21 07:50:56 +00002485static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002486{
2487 struct bnx2x_func_init_params func_init = {0};
2488 struct bnx2x_rss_params rss = {0};
2489 struct event_ring_data eq_data = { {0} };
2490 u16 flags;
2491
2492 /* pf specific setups */
2493 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002494 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002495
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002496 if (CHIP_IS_E2(bp)) {
2497 /* reset IGU PF statistics: MSIX + ATTN */
2498 /* PF */
2499 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2500 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2501 (CHIP_MODE_IS_4_PORT(bp) ?
2502 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2503 /* ATTN */
2504 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2505 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2506 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2507 (CHIP_MODE_IS_4_PORT(bp) ?
2508 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2509 }
2510
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002511 /* function setup flags */
2512 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2513
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002514 if (CHIP_IS_E1x(bp))
2515 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2516 else
2517 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002518
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002519 /* function setup */
2520
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002521 /**
2522 * Although RSS is meaningless when there is a single HW queue we
2523 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002524 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002525 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2526 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2527 rss.mode = bp->multi_mode;
2528 rss.result_mask = MULTI_MASK;
2529 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002530
2531 func_init.func_flgs = flags;
2532 func_init.pf_id = BP_FUNC(bp);
2533 func_init.func_id = BP_FUNC(bp);
2534 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2535 func_init.spq_map = bp->spq_mapping;
2536 func_init.spq_prod = bp->spq_prod_idx;
2537
2538 bnx2x_func_init(bp, &func_init);
2539
2540 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2541
2542 /*
2543 Congestion management values depend on the link rate
2544 There is no active link so initial link rate is set to 10 Gbps.
2545 When the link comes up The congestion management values are
2546 re-calculated according to the actual link rate.
2547 */
2548 bp->link_vars.line_speed = SPEED_10000;
2549 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2550
2551 /* Only the PMF sets the HW */
2552 if (bp->port.pmf)
2553 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2554
2555 /* no rx until link is up */
2556 bp->rx_mode = BNX2X_RX_MODE_NONE;
2557 bnx2x_set_storm_rx_mode(bp);
2558
2559 /* init Event Queue */
2560 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2561 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2562 eq_data.producer = bp->eq_prod;
2563 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2564 eq_data.sb_id = DEF_SB_ID;
2565 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2566}
2567
2568
Eilon Greenstein2691d512009-08-12 08:22:08 +00002569static void bnx2x_e1h_disable(struct bnx2x *bp)
2570{
2571 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002572
2573 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002574
2575 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2576
Eilon Greenstein2691d512009-08-12 08:22:08 +00002577 netif_carrier_off(bp->dev);
2578}
2579
2580static void bnx2x_e1h_enable(struct bnx2x *bp)
2581{
2582 int port = BP_PORT(bp);
2583
2584 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2585
Eilon Greenstein2691d512009-08-12 08:22:08 +00002586 /* Tx queue should be only reenabled */
2587 netif_tx_wake_all_queues(bp->dev);
2588
Eilon Greenstein061bc702009-10-15 00:18:47 -07002589 /*
2590 * Should not call netif_carrier_on since it will be called if the link
2591 * is up when checking for link state
2592 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002593}
2594
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002595/* called due to MCP event (on pmf):
2596 * reread new bandwidth configuration
2597 * configure FW
2598 * notify others function about the change
2599 */
2600static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2601{
2602 if (bp->link_vars.link_up) {
2603 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2604 bnx2x_link_sync_notify(bp);
2605 }
2606 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2607}
2608
2609static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2610{
2611 bnx2x_config_mf_bw(bp);
2612 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2613}
2614
Eilon Greenstein2691d512009-08-12 08:22:08 +00002615static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2616{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002617 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002618
2619 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2620
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002621 /*
2622 * This is the only place besides the function initialization
2623 * where the bp->flags can change so it is done without any
2624 * locks
2625 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002626 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002627 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002628 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002629
2630 bnx2x_e1h_disable(bp);
2631 } else {
2632 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002633 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002634
2635 bnx2x_e1h_enable(bp);
2636 }
2637 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2638 }
2639 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002640 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002641 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2642 }
2643
2644 /* Report results to MCP */
2645 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002646 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002647 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002648 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002649}
2650
Michael Chan28912902009-10-10 13:46:53 +00002651/* must be called under the spq lock */
2652static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2653{
2654 struct eth_spe *next_spe = bp->spq_prod_bd;
2655
2656 if (bp->spq_prod_bd == bp->spq_last_bd) {
2657 bp->spq_prod_bd = bp->spq;
2658 bp->spq_prod_idx = 0;
2659 DP(NETIF_MSG_TIMER, "end of spq\n");
2660 } else {
2661 bp->spq_prod_bd++;
2662 bp->spq_prod_idx++;
2663 }
2664 return next_spe;
2665}
2666
2667/* must be called under the spq lock */
2668static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2669{
2670 int func = BP_FUNC(bp);
2671
2672 /* Make sure that BD data is updated before writing the producer */
2673 wmb();
2674
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002675 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002676 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002677 mmiowb();
2678}
2679
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002680/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002681int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002682 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002683{
Michael Chan28912902009-10-10 13:46:53 +00002684 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002685 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002686
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002687#ifdef BNX2X_STOP_ON_ERROR
2688 if (unlikely(bp->panic))
2689 return -EIO;
2690#endif
2691
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002692 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002693
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002694 if (common) {
2695 if (!atomic_read(&bp->eq_spq_left)) {
2696 BNX2X_ERR("BUG! EQ ring full!\n");
2697 spin_unlock_bh(&bp->spq_lock);
2698 bnx2x_panic();
2699 return -EBUSY;
2700 }
2701 } else if (!atomic_read(&bp->cq_spq_left)) {
2702 BNX2X_ERR("BUG! SPQ ring full!\n");
2703 spin_unlock_bh(&bp->spq_lock);
2704 bnx2x_panic();
2705 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002706 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002707
Michael Chan28912902009-10-10 13:46:53 +00002708 spe = bnx2x_sp_get_next(bp);
2709
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002710 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002711 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002712 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2713 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002715 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002716 /* Common ramrods:
2717 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2718 * TRAFFIC_STOP, TRAFFIC_START
2719 */
2720 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2721 & SPE_HDR_CONN_TYPE;
2722 else
2723 /* ETH ramrods: SETUP, HALT */
2724 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2725 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002726
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002727 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2728 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002729
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002730 spe->hdr.type = cpu_to_le16(type);
2731
2732 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2733 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2734
2735 /* stats ramrod has it's own slot on the spq */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002736 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002737 /* It's ok if the actual decrement is issued towards the memory
2738 * somewhere between the spin_lock and spin_unlock. Thus no
2739 * more explict memory barrier is needed.
2740 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002741 if (common)
2742 atomic_dec(&bp->eq_spq_left);
2743 else
2744 atomic_dec(&bp->cq_spq_left);
2745 }
2746
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002747
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002748 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002749 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002750 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002751 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2752 (u32)(U64_LO(bp->spq_mapping) +
2753 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002754 HW_CID(bp, cid), data_hi, data_lo, type,
2755 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002756
Michael Chan28912902009-10-10 13:46:53 +00002757 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002758 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002759 return 0;
2760}
2761
2762/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002763static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002764{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002765 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002766 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002767
2768 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002769 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002770 val = (1UL << 31);
2771 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2772 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2773 if (val & (1L << 31))
2774 break;
2775
2776 msleep(5);
2777 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002778 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002779 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002780 rc = -EBUSY;
2781 }
2782
2783 return rc;
2784}
2785
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002786/* release split MCP access lock register */
2787static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002788{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002789 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002790}
2791
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002792#define BNX2X_DEF_SB_ATT_IDX 0x0001
2793#define BNX2X_DEF_SB_IDX 0x0002
2794
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002795static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2796{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002797 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002798 u16 rc = 0;
2799
2800 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002801 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2802 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002803 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002804 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002805
2806 if (bp->def_idx != def_sb->sp_sb.running_index) {
2807 bp->def_idx = def_sb->sp_sb.running_index;
2808 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002809 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002810
2811 /* Do not reorder: indecies reading should complete before handling */
2812 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002813 return rc;
2814}
2815
2816/*
2817 * slow path service functions
2818 */
2819
2820static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2821{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002822 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002823 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2824 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002825 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2826 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002827 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002828 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002829 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002830
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002831 if (bp->attn_state & asserted)
2832 BNX2X_ERR("IGU ERROR\n");
2833
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002834 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2835 aeu_mask = REG_RD(bp, aeu_addr);
2836
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002837 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002838 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002839 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002840 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002841
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002842 REG_WR(bp, aeu_addr, aeu_mask);
2843 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002844
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002845 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002846 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002847 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002848
2849 if (asserted & ATTN_HARD_WIRED_MASK) {
2850 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002851
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002852 bnx2x_acquire_phy_lock(bp);
2853
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002854 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002855 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002856 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002857
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002858 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002859
2860 /* handle unicore attn? */
2861 }
2862 if (asserted & ATTN_SW_TIMER_4_FUNC)
2863 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2864
2865 if (asserted & GPIO_2_FUNC)
2866 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2867
2868 if (asserted & GPIO_3_FUNC)
2869 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2870
2871 if (asserted & GPIO_4_FUNC)
2872 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2873
2874 if (port == 0) {
2875 if (asserted & ATTN_GENERAL_ATTN_1) {
2876 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2877 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2878 }
2879 if (asserted & ATTN_GENERAL_ATTN_2) {
2880 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2881 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2882 }
2883 if (asserted & ATTN_GENERAL_ATTN_3) {
2884 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2885 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2886 }
2887 } else {
2888 if (asserted & ATTN_GENERAL_ATTN_4) {
2889 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2890 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2891 }
2892 if (asserted & ATTN_GENERAL_ATTN_5) {
2893 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2894 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2895 }
2896 if (asserted & ATTN_GENERAL_ATTN_6) {
2897 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2898 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2899 }
2900 }
2901
2902 } /* if hardwired */
2903
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002904 if (bp->common.int_block == INT_BLOCK_HC)
2905 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2906 COMMAND_REG_ATTN_BITS_SET);
2907 else
2908 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2909
2910 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2911 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2912 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002913
2914 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002915 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002916 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002917 bnx2x_release_phy_lock(bp);
2918 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002919}
2920
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002921static inline void bnx2x_fan_failure(struct bnx2x *bp)
2922{
2923 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002924 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002925 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002926 ext_phy_config =
2927 SHMEM_RD(bp,
2928 dev_info.port_hw_config[port].external_phy_config);
2929
2930 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2931 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002932 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002933 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002934
2935 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002936 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2937 " the driver to shutdown the card to prevent permanent"
2938 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002939}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002940
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002941static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2942{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002943 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002944 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002945 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002946
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002947 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2948 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002949
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002950 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002951
2952 val = REG_RD(bp, reg_offset);
2953 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2954 REG_WR(bp, reg_offset, val);
2955
2956 BNX2X_ERR("SPIO5 hw attention\n");
2957
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002958 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002959 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002960 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002961 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002962
Eilon Greenstein589abe32009-02-12 08:36:55 +00002963 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2964 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2965 bnx2x_acquire_phy_lock(bp);
2966 bnx2x_handle_module_detect_int(&bp->link_params);
2967 bnx2x_release_phy_lock(bp);
2968 }
2969
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002970 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2971
2972 val = REG_RD(bp, reg_offset);
2973 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2974 REG_WR(bp, reg_offset, val);
2975
2976 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00002977 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002978 bnx2x_panic();
2979 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002980}
2981
2982static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2983{
2984 u32 val;
2985
Eilon Greenstein0626b892009-02-12 08:38:14 +00002986 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002987
2988 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2989 BNX2X_ERR("DB hw attention 0x%x\n", val);
2990 /* DORQ discard attention */
2991 if (val & 0x2)
2992 BNX2X_ERR("FATAL error from DORQ\n");
2993 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002994
2995 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2996
2997 int port = BP_PORT(bp);
2998 int reg_offset;
2999
3000 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3001 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3002
3003 val = REG_RD(bp, reg_offset);
3004 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3005 REG_WR(bp, reg_offset, val);
3006
3007 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003008 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003009 bnx2x_panic();
3010 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003011}
3012
3013static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3014{
3015 u32 val;
3016
3017 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3018
3019 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3020 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3021 /* CFC error attention */
3022 if (val & 0x2)
3023 BNX2X_ERR("FATAL error from CFC\n");
3024 }
3025
3026 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3027
3028 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3029 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3030 /* RQ_USDMDP_FIFO_OVERFLOW */
3031 if (val & 0x18000)
3032 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003033 if (CHIP_IS_E2(bp)) {
3034 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3035 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3036 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003037 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003038
3039 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3040
3041 int port = BP_PORT(bp);
3042 int reg_offset;
3043
3044 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3045 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3046
3047 val = REG_RD(bp, reg_offset);
3048 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3049 REG_WR(bp, reg_offset, val);
3050
3051 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003052 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003053 bnx2x_panic();
3054 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003055}
3056
3057static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3058{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003059 u32 val;
3060
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003061 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3062
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003063 if (attn & BNX2X_PMF_LINK_ASSERT) {
3064 int func = BP_FUNC(bp);
3065
3066 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003067 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3068 func_mf_config[BP_ABS_FUNC(bp)].config);
3069 val = SHMEM_RD(bp,
3070 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003071 if (val & DRV_STATUS_DCC_EVENT_MASK)
3072 bnx2x_dcc_event(bp,
3073 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003074
3075 if (val & DRV_STATUS_SET_MF_BW)
3076 bnx2x_set_mf_bw(bp);
3077
Eilon Greenstein2691d512009-08-12 08:22:08 +00003078 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003079 bnx2x_pmf_update(bp);
3080
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00003081 /* Always call it here: bnx2x_link_report() will
3082 * prevent the link indication duplication.
3083 */
3084 bnx2x__link_status_update(bp);
3085
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003086 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003087 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3088 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003089 /* start dcbx state machine */
3090 bnx2x_dcbx_set_params(bp,
3091 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003092 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003093
3094 BNX2X_ERR("MC assert!\n");
3095 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3096 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3097 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3098 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3099 bnx2x_panic();
3100
3101 } else if (attn & BNX2X_MCP_ASSERT) {
3102
3103 BNX2X_ERR("MCP assert!\n");
3104 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003105 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003106
3107 } else
3108 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3109 }
3110
3111 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003112 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3113 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003114 val = CHIP_IS_E1(bp) ? 0 :
3115 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003116 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3117 }
3118 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003119 val = CHIP_IS_E1(bp) ? 0 :
3120 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003121 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3122 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003123 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003124 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003125}
3126
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003127#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3128#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3129#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3130#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3131#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003132
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003133/*
3134 * should be run under rtnl lock
3135 */
3136static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3137{
3138 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3139 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3140 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3141 barrier();
3142 mmiowb();
3143}
3144
3145/*
3146 * should be run under rtnl lock
3147 */
3148static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3149{
3150 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3151 val |= (1 << 16);
3152 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3153 barrier();
3154 mmiowb();
3155}
3156
3157/*
3158 * should be run under rtnl lock
3159 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003160bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003161{
3162 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3163 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3164 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3165}
3166
3167/*
3168 * should be run under rtnl lock
3169 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003170inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003171{
3172 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3173
3174 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3175
3176 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3177 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3178 barrier();
3179 mmiowb();
3180}
3181
3182/*
3183 * should be run under rtnl lock
3184 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003185u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003186{
3187 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3188
3189 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3190
3191 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3192 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3193 barrier();
3194 mmiowb();
3195
3196 return val1;
3197}
3198
3199/*
3200 * should be run under rtnl lock
3201 */
3202static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3203{
3204 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3205}
3206
3207static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3208{
3209 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3210 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3211}
3212
3213static inline void _print_next_block(int idx, const char *blk)
3214{
3215 if (idx)
3216 pr_cont(", ");
3217 pr_cont("%s", blk);
3218}
3219
3220static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3221{
3222 int i = 0;
3223 u32 cur_bit = 0;
3224 for (i = 0; sig; i++) {
3225 cur_bit = ((u32)0x1 << i);
3226 if (sig & cur_bit) {
3227 switch (cur_bit) {
3228 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3229 _print_next_block(par_num++, "BRB");
3230 break;
3231 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3232 _print_next_block(par_num++, "PARSER");
3233 break;
3234 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3235 _print_next_block(par_num++, "TSDM");
3236 break;
3237 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3238 _print_next_block(par_num++, "SEARCHER");
3239 break;
3240 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3241 _print_next_block(par_num++, "TSEMI");
3242 break;
3243 }
3244
3245 /* Clear the bit */
3246 sig &= ~cur_bit;
3247 }
3248 }
3249
3250 return par_num;
3251}
3252
3253static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3254{
3255 int i = 0;
3256 u32 cur_bit = 0;
3257 for (i = 0; sig; i++) {
3258 cur_bit = ((u32)0x1 << i);
3259 if (sig & cur_bit) {
3260 switch (cur_bit) {
3261 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3262 _print_next_block(par_num++, "PBCLIENT");
3263 break;
3264 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3265 _print_next_block(par_num++, "QM");
3266 break;
3267 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3268 _print_next_block(par_num++, "XSDM");
3269 break;
3270 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3271 _print_next_block(par_num++, "XSEMI");
3272 break;
3273 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3274 _print_next_block(par_num++, "DOORBELLQ");
3275 break;
3276 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3277 _print_next_block(par_num++, "VAUX PCI CORE");
3278 break;
3279 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3280 _print_next_block(par_num++, "DEBUG");
3281 break;
3282 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3283 _print_next_block(par_num++, "USDM");
3284 break;
3285 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3286 _print_next_block(par_num++, "USEMI");
3287 break;
3288 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3289 _print_next_block(par_num++, "UPB");
3290 break;
3291 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3292 _print_next_block(par_num++, "CSDM");
3293 break;
3294 }
3295
3296 /* Clear the bit */
3297 sig &= ~cur_bit;
3298 }
3299 }
3300
3301 return par_num;
3302}
3303
3304static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3305{
3306 int i = 0;
3307 u32 cur_bit = 0;
3308 for (i = 0; sig; i++) {
3309 cur_bit = ((u32)0x1 << i);
3310 if (sig & cur_bit) {
3311 switch (cur_bit) {
3312 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3313 _print_next_block(par_num++, "CSEMI");
3314 break;
3315 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3316 _print_next_block(par_num++, "PXP");
3317 break;
3318 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3319 _print_next_block(par_num++,
3320 "PXPPCICLOCKCLIENT");
3321 break;
3322 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3323 _print_next_block(par_num++, "CFC");
3324 break;
3325 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3326 _print_next_block(par_num++, "CDU");
3327 break;
3328 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3329 _print_next_block(par_num++, "IGU");
3330 break;
3331 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3332 _print_next_block(par_num++, "MISC");
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_parity3(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_MCP_LATCHED_ROM_PARITY:
3353 _print_next_block(par_num++, "MCP ROM");
3354 break;
3355 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3356 _print_next_block(par_num++, "MCP UMP RX");
3357 break;
3358 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3359 _print_next_block(par_num++, "MCP UMP TX");
3360 break;
3361 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3362 _print_next_block(par_num++, "MCP SCPAD");
3363 break;
3364 }
3365
3366 /* Clear the bit */
3367 sig &= ~cur_bit;
3368 }
3369 }
3370
3371 return par_num;
3372}
3373
3374static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3375 u32 sig2, u32 sig3)
3376{
3377 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3378 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3379 int par_num = 0;
3380 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3381 "[0]:0x%08x [1]:0x%08x "
3382 "[2]:0x%08x [3]:0x%08x\n",
3383 sig0 & HW_PRTY_ASSERT_SET_0,
3384 sig1 & HW_PRTY_ASSERT_SET_1,
3385 sig2 & HW_PRTY_ASSERT_SET_2,
3386 sig3 & HW_PRTY_ASSERT_SET_3);
3387 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3388 bp->dev->name);
3389 par_num = bnx2x_print_blocks_with_parity0(
3390 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3391 par_num = bnx2x_print_blocks_with_parity1(
3392 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3393 par_num = bnx2x_print_blocks_with_parity2(
3394 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3395 par_num = bnx2x_print_blocks_with_parity3(
3396 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3397 printk("\n");
3398 return true;
3399 } else
3400 return false;
3401}
3402
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003403bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003404{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003405 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003406 int port = BP_PORT(bp);
3407
3408 attn.sig[0] = REG_RD(bp,
3409 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3410 port*4);
3411 attn.sig[1] = REG_RD(bp,
3412 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3413 port*4);
3414 attn.sig[2] = REG_RD(bp,
3415 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3416 port*4);
3417 attn.sig[3] = REG_RD(bp,
3418 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3419 port*4);
3420
3421 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3422 attn.sig[3]);
3423}
3424
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003425
3426static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3427{
3428 u32 val;
3429 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3430
3431 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3432 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3433 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3434 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3435 "ADDRESS_ERROR\n");
3436 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3437 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3438 "INCORRECT_RCV_BEHAVIOR\n");
3439 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3440 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3441 "WAS_ERROR_ATTN\n");
3442 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3443 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3444 "VF_LENGTH_VIOLATION_ATTN\n");
3445 if (val &
3446 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3447 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3448 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3449 if (val &
3450 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3451 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3452 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3453 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3454 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3455 "TCPL_ERROR_ATTN\n");
3456 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3457 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3458 "TCPL_IN_TWO_RCBS_ATTN\n");
3459 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3460 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3461 "CSSNOOP_FIFO_OVERFLOW\n");
3462 }
3463 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3464 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3465 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3466 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3467 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3468 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3469 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3470 "_ATC_TCPL_TO_NOT_PEND\n");
3471 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3472 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3473 "ATC_GPA_MULTIPLE_HITS\n");
3474 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3475 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3476 "ATC_RCPL_TO_EMPTY_CNT\n");
3477 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3478 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3479 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3480 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3481 "ATC_IREQ_LESS_THAN_STU\n");
3482 }
3483
3484 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3485 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3486 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3487 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3488 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3489 }
3490
3491}
3492
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003493static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3494{
3495 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003496 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003497 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003498 u32 reg_addr;
3499 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003500 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003501
3502 /* need to take HW lock because MCP or other port might also
3503 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003504 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003505
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003506 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003507 bp->recovery_state = BNX2X_RECOVERY_INIT;
3508 bnx2x_set_reset_in_progress(bp);
3509 schedule_delayed_work(&bp->reset_task, 0);
3510 /* Disable HW interrupts */
3511 bnx2x_int_disable(bp);
3512 bnx2x_release_alr(bp);
3513 /* In case of parity errors don't handle attentions so that
3514 * other function would "see" parity errors.
3515 */
3516 return;
3517 }
3518
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003519 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3520 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3521 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3522 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003523 if (CHIP_IS_E2(bp))
3524 attn.sig[4] =
3525 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3526 else
3527 attn.sig[4] = 0;
3528
3529 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3530 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003531
3532 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3533 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003534 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003536 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3537 "%08x %08x %08x\n",
3538 index,
3539 group_mask->sig[0], group_mask->sig[1],
3540 group_mask->sig[2], group_mask->sig[3],
3541 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003542
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003543 bnx2x_attn_int_deasserted4(bp,
3544 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003545 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003546 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003547 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003548 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003549 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003550 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003551 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003552 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003553 }
3554 }
3555
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003556 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003557
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003558 if (bp->common.int_block == INT_BLOCK_HC)
3559 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3560 COMMAND_REG_ATTN_BITS_CLR);
3561 else
3562 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003563
3564 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003565 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3566 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003567 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003568
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003569 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003570 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003571
3572 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3573 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3574
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003575 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3576 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003577
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003578 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3579 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003580 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003581 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3582
3583 REG_WR(bp, reg_addr, aeu_mask);
3584 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003585
3586 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3587 bp->attn_state &= ~deasserted;
3588 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3589}
3590
3591static void bnx2x_attn_int(struct bnx2x *bp)
3592{
3593 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003594 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3595 attn_bits);
3596 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3597 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003598 u32 attn_state = bp->attn_state;
3599
3600 /* look for changed bits */
3601 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3602 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3603
3604 DP(NETIF_MSG_HW,
3605 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3606 attn_bits, attn_ack, asserted, deasserted);
3607
3608 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003609 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003610
3611 /* handle bits that were raised */
3612 if (asserted)
3613 bnx2x_attn_int_asserted(bp, asserted);
3614
3615 if (deasserted)
3616 bnx2x_attn_int_deasserted(bp, deasserted);
3617}
3618
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003619static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3620{
3621 /* No memory barriers */
3622 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3623 mmiowb(); /* keep prod updates ordered */
3624}
3625
3626#ifdef BCM_CNIC
3627static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3628 union event_ring_elem *elem)
3629{
3630 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00003631 (cid < bp->cnic_eth_dev.starting_cid &&
3632 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003633 return 1;
3634
3635 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3636
3637 if (unlikely(elem->message.data.cfc_del_event.error)) {
3638 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3639 cid);
3640 bnx2x_panic_dump(bp);
3641 }
3642 bnx2x_cnic_cfc_comp(bp, cid);
3643 return 0;
3644}
3645#endif
3646
3647static void bnx2x_eq_int(struct bnx2x *bp)
3648{
3649 u16 hw_cons, sw_cons, sw_prod;
3650 union event_ring_elem *elem;
3651 u32 cid;
3652 u8 opcode;
3653 int spqe_cnt = 0;
3654
3655 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3656
3657 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3658 * when we get the the next-page we nned to adjust so the loop
3659 * condition below will be met. The next element is the size of a
3660 * regular element and hence incrementing by 1
3661 */
3662 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3663 hw_cons++;
3664
Lucas De Marchi25985ed2011-03-30 22:57:33 -03003665 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003666 * specific bp, thus there is no need in "paired" read memory
3667 * barrier here.
3668 */
3669 sw_cons = bp->eq_cons;
3670 sw_prod = bp->eq_prod;
3671
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003672 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->cq_spq_left %u\n",
3673 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003674
3675 for (; sw_cons != hw_cons;
3676 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3677
3678
3679 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3680
3681 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3682 opcode = elem->message.opcode;
3683
3684
3685 /* handle eq element */
3686 switch (opcode) {
3687 case EVENT_RING_OPCODE_STAT_QUERY:
3688 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3689 /* nothing to do with stats comp */
3690 continue;
3691
3692 case EVENT_RING_OPCODE_CFC_DEL:
3693 /* handle according to cid range */
3694 /*
3695 * we may want to verify here that the bp state is
3696 * HALTING
3697 */
3698 DP(NETIF_MSG_IFDOWN,
3699 "got delete ramrod for MULTI[%d]\n", cid);
3700#ifdef BCM_CNIC
3701 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3702 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003703 if (cid == BNX2X_FCOE_ETH_CID)
3704 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3705 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003706#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003707 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003708 BNX2X_FP_STATE_CLOSED;
3709
3710 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003711
3712 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3713 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3714 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3715 goto next_spqe;
3716 case EVENT_RING_OPCODE_START_TRAFFIC:
3717 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3718 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3719 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003720 }
3721
3722 switch (opcode | bp->state) {
3723 case (EVENT_RING_OPCODE_FUNCTION_START |
3724 BNX2X_STATE_OPENING_WAIT4_PORT):
3725 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3726 bp->state = BNX2X_STATE_FUNC_STARTED;
3727 break;
3728
3729 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3730 BNX2X_STATE_CLOSING_WAIT4_HALT):
3731 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3732 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3733 break;
3734
3735 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3736 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3737 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003738 if (elem->message.data.set_mac_event.echo)
3739 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003740 break;
3741
3742 case (EVENT_RING_OPCODE_SET_MAC |
3743 BNX2X_STATE_CLOSING_WAIT4_HALT):
3744 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003745 if (elem->message.data.set_mac_event.echo)
3746 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003747 break;
3748 default:
3749 /* unknown event log error and continue */
3750 BNX2X_ERR("Unknown EQ event %d\n",
3751 elem->message.opcode);
3752 }
3753next_spqe:
3754 spqe_cnt++;
3755 } /* for */
3756
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003757 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003758 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003759
3760 bp->eq_cons = sw_cons;
3761 bp->eq_prod = sw_prod;
3762 /* Make sure that above mem writes were issued towards the memory */
3763 smp_wmb();
3764
3765 /* update producer */
3766 bnx2x_update_eq_prod(bp, bp->eq_prod);
3767}
3768
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003769static void bnx2x_sp_task(struct work_struct *work)
3770{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003771 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003772 u16 status;
3773
3774 /* Return here if interrupt is disabled */
3775 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003776 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003777 return;
3778 }
3779
3780 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003781/* if (status == 0) */
3782/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003783
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003784 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003785
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003786 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003787 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003788 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003789 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003790 }
3791
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003792 /* SP events: STAT_QUERY and others */
3793 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003794#ifdef BCM_CNIC
3795 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003796
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003797 if ((!NO_FCOE(bp)) &&
3798 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3799 napi_schedule(&bnx2x_fcoe(bp, napi));
3800#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003801 /* Handle EQ completions */
3802 bnx2x_eq_int(bp);
3803
3804 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3805 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3806
3807 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003808 }
3809
3810 if (unlikely(status))
3811 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3812 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003813
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003814 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3815 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003816}
3817
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003818irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003819{
3820 struct net_device *dev = dev_instance;
3821 struct bnx2x *bp = netdev_priv(dev);
3822
3823 /* Return here if interrupt is disabled */
3824 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003825 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003826 return IRQ_HANDLED;
3827 }
3828
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003829 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3830 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003831
3832#ifdef BNX2X_STOP_ON_ERROR
3833 if (unlikely(bp->panic))
3834 return IRQ_HANDLED;
3835#endif
3836
Michael Chan993ac7b2009-10-10 13:46:56 +00003837#ifdef BCM_CNIC
3838 {
3839 struct cnic_ops *c_ops;
3840
3841 rcu_read_lock();
3842 c_ops = rcu_dereference(bp->cnic_ops);
3843 if (c_ops)
3844 c_ops->cnic_handler(bp->cnic_data, NULL);
3845 rcu_read_unlock();
3846 }
3847#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003848 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003849
3850 return IRQ_HANDLED;
3851}
3852
3853/* end of slow path */
3854
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003855static void bnx2x_timer(unsigned long data)
3856{
3857 struct bnx2x *bp = (struct bnx2x *) data;
3858
3859 if (!netif_running(bp->dev))
3860 return;
3861
3862 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003863 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003864
3865 if (poll) {
3866 struct bnx2x_fastpath *fp = &bp->fp[0];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003867
Eilon Greenstein7961f792009-03-02 07:59:31 +00003868 bnx2x_tx_int(fp);
David S. Millerb8ee8322011-04-17 16:56:12 -07003869 bnx2x_rx_int(fp, 1000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003870 }
3871
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003872 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003873 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003874 u32 drv_pulse;
3875 u32 mcp_pulse;
3876
3877 ++bp->fw_drv_pulse_wr_seq;
3878 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3879 /* TBD - add SYSTEM_TIME */
3880 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003881 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003882
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003883 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003884 MCP_PULSE_SEQ_MASK);
3885 /* The delta between driver pulse and mcp response
3886 * should be 1 (before mcp response) or 0 (after mcp response)
3887 */
3888 if ((drv_pulse != mcp_pulse) &&
3889 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3890 /* someone lost a heartbeat... */
3891 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3892 drv_pulse, mcp_pulse);
3893 }
3894 }
3895
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003896 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003897 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003898
Eliezer Tamirf1410642008-02-28 11:51:50 -08003899timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003900 mod_timer(&bp->timer, jiffies + bp->current_interval);
3901}
3902
3903/* end of Statistics */
3904
3905/* nic init */
3906
3907/*
3908 * nic init service functions
3909 */
3910
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003911static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003912{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003913 u32 i;
3914 if (!(len%4) && !(addr%4))
3915 for (i = 0; i < len; i += 4)
3916 REG_WR(bp, addr + i, fill);
3917 else
3918 for (i = 0; i < len; i++)
3919 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003920
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003921}
3922
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003923/* helper: writes FP SP data to FW - data_size in dwords */
3924static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3925 int fw_sb_id,
3926 u32 *sb_data_p,
3927 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003928{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003929 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003930 for (index = 0; index < data_size; index++)
3931 REG_WR(bp, BAR_CSTRORM_INTMEM +
3932 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3933 sizeof(u32)*index,
3934 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003935}
3936
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003937static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3938{
3939 u32 *sb_data_p;
3940 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003941 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003942 struct hc_status_block_data_e1x sb_data_e1x;
3943
3944 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003945 if (CHIP_IS_E2(bp)) {
3946 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3947 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3948 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3949 sb_data_e2.common.p_func.vf_valid = false;
3950 sb_data_p = (u32 *)&sb_data_e2;
3951 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3952 } else {
3953 memset(&sb_data_e1x, 0,
3954 sizeof(struct hc_status_block_data_e1x));
3955 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3956 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3957 sb_data_e1x.common.p_func.vf_valid = false;
3958 sb_data_p = (u32 *)&sb_data_e1x;
3959 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3960 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003961 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3962
3963 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3964 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3965 CSTORM_STATUS_BLOCK_SIZE);
3966 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3967 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3968 CSTORM_SYNC_BLOCK_SIZE);
3969}
3970
3971/* helper: writes SP SB data to FW */
3972static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3973 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003974{
3975 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003976 int i;
3977 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
3978 REG_WR(bp, BAR_CSTRORM_INTMEM +
3979 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
3980 i*sizeof(u32),
3981 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003982}
3983
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003984static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
3985{
3986 int func = BP_FUNC(bp);
3987 struct hc_sp_status_block_data sp_sb_data;
3988 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
3989
3990 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
3991 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
3992 sp_sb_data.p_func.vf_valid = false;
3993
3994 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
3995
3996 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3997 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
3998 CSTORM_SP_STATUS_BLOCK_SIZE);
3999 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4000 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4001 CSTORM_SP_SYNC_BLOCK_SIZE);
4002
4003}
4004
4005
4006static inline
4007void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4008 int igu_sb_id, int igu_seg_id)
4009{
4010 hc_sm->igu_sb_id = igu_sb_id;
4011 hc_sm->igu_seg_id = igu_seg_id;
4012 hc_sm->timer_value = 0xFF;
4013 hc_sm->time_to_expire = 0xFFFFFFFF;
4014}
4015
stephen hemminger8d962862010-10-21 07:50:56 +00004016static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004017 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4018{
4019 int igu_seg_id;
4020
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004021 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004022 struct hc_status_block_data_e1x sb_data_e1x;
4023 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004024 int data_size;
4025 u32 *sb_data_p;
4026
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004027 if (CHIP_INT_MODE_IS_BC(bp))
4028 igu_seg_id = HC_SEG_ACCESS_NORM;
4029 else
4030 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004031
4032 bnx2x_zero_fp_sb(bp, fw_sb_id);
4033
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004034 if (CHIP_IS_E2(bp)) {
4035 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4036 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4037 sb_data_e2.common.p_func.vf_id = vfid;
4038 sb_data_e2.common.p_func.vf_valid = vf_valid;
4039 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4040 sb_data_e2.common.same_igu_sb_1b = true;
4041 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4042 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4043 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004044 sb_data_p = (u32 *)&sb_data_e2;
4045 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4046 } else {
4047 memset(&sb_data_e1x, 0,
4048 sizeof(struct hc_status_block_data_e1x));
4049 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4050 sb_data_e1x.common.p_func.vf_id = 0xff;
4051 sb_data_e1x.common.p_func.vf_valid = false;
4052 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4053 sb_data_e1x.common.same_igu_sb_1b = true;
4054 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4055 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4056 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004057 sb_data_p = (u32 *)&sb_data_e1x;
4058 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4059 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004060
4061 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4062 igu_sb_id, igu_seg_id);
4063 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4064 igu_sb_id, igu_seg_id);
4065
4066 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4067
4068 /* write indecies to HW */
4069 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4070}
4071
4072static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4073 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004074{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004075 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004076 u8 ticks = usec / BNX2X_BTR;
4077
4078 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4079
4080 disable = disable ? 1 : (usec ? 0 : 1);
4081 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4082}
4083
4084static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4085 u16 tx_usec, u16 rx_usec)
4086{
4087 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4088 false, rx_usec);
4089 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4090 false, tx_usec);
4091}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004092
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004093static void bnx2x_init_def_sb(struct bnx2x *bp)
4094{
4095 struct host_sp_status_block *def_sb = bp->def_status_blk;
4096 dma_addr_t mapping = bp->def_status_blk_mapping;
4097 int igu_sp_sb_index;
4098 int igu_seg_id;
4099 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004100 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004101 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004102 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004103 int index;
4104 struct hc_sp_status_block_data sp_sb_data;
4105 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4106
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004107 if (CHIP_INT_MODE_IS_BC(bp)) {
4108 igu_sp_sb_index = DEF_SB_IGU_ID;
4109 igu_seg_id = HC_SEG_ACCESS_DEF;
4110 } else {
4111 igu_sp_sb_index = bp->igu_dsb_id;
4112 igu_seg_id = IGU_SEG_ACCESS_DEF;
4113 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004114
4115 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004116 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004117 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004118 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004119
Eliezer Tamir49d66772008-02-28 11:53:13 -08004120 bp->attn_state = 0;
4121
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004122 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4123 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004124 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004125 int sindex;
4126 /* take care of sig[0]..sig[4] */
4127 for (sindex = 0; sindex < 4; sindex++)
4128 bp->attn_group[index].sig[sindex] =
4129 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004130
4131 if (CHIP_IS_E2(bp))
4132 /*
4133 * enable5 is separate from the rest of the registers,
4134 * and therefore the address skip is 4
4135 * and not 16 between the different groups
4136 */
4137 bp->attn_group[index].sig[4] = REG_RD(bp,
4138 reg_offset + 0x10 + 0x4*index);
4139 else
4140 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004141 }
4142
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004143 if (bp->common.int_block == INT_BLOCK_HC) {
4144 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4145 HC_REG_ATTN_MSG0_ADDR_L);
4146
4147 REG_WR(bp, reg_offset, U64_LO(section));
4148 REG_WR(bp, reg_offset + 4, U64_HI(section));
4149 } else if (CHIP_IS_E2(bp)) {
4150 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4151 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4152 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004153
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004154 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4155 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004156
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004157 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004158
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004159 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4160 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4161 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4162 sp_sb_data.igu_seg_id = igu_seg_id;
4163 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004164 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004165 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004166
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004167 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004168
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004169 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004170 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004171
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004172 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004173}
4174
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004175void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004176{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004177 int i;
4178
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004179 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004180 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07004181 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004182}
4183
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004184static void bnx2x_init_sp_ring(struct bnx2x *bp)
4185{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004186 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004187 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004188
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004189 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004190 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4191 bp->spq_prod_bd = bp->spq;
4192 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004193}
4194
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004195static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004196{
4197 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004198 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4199 union event_ring_elem *elem =
4200 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004201
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004202 elem->next_page.addr.hi =
4203 cpu_to_le32(U64_HI(bp->eq_mapping +
4204 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4205 elem->next_page.addr.lo =
4206 cpu_to_le32(U64_LO(bp->eq_mapping +
4207 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004208 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004209 bp->eq_cons = 0;
4210 bp->eq_prod = NUM_EQ_DESC;
4211 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004212 /* we want a warning message before it gets rought... */
4213 atomic_set(&bp->eq_spq_left,
4214 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004215}
4216
Tom Herbertab532cf2011-02-16 10:27:02 +00004217void bnx2x_push_indir_table(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004218{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004219 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004220 int i;
4221
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004222 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004223 return;
4224
4225 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004226 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004227 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Tom Herbertab532cf2011-02-16 10:27:02 +00004228 bp->fp->cl_id + bp->rx_indir_table[i]);
4229}
4230
4231static void bnx2x_init_ind_table(struct bnx2x *bp)
4232{
4233 int i;
4234
4235 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4236 bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);
4237
4238 bnx2x_push_indir_table(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004239}
4240
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004241void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004242{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004243 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004244 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004245 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004246 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004247
Eilon Greenstein581ce432009-07-29 00:20:04 +00004248 /* All but management unicast packets should pass to the host as well */
4249 u32 llh_mask =
4250 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4251 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4252 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4253 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004254
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004255 switch (mode) {
4256 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004257 def_q_filters = BNX2X_ACCEPT_NONE;
4258#ifdef BCM_CNIC
4259 if (!NO_FCOE(bp)) {
4260 cl_id = bnx2x_fcoe(bp, cl_id);
4261 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4262 }
4263#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004264 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004265
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004266 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004267 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4268 BNX2X_ACCEPT_MULTICAST;
4269#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004270 if (!NO_FCOE(bp)) {
4271 cl_id = bnx2x_fcoe(bp, cl_id);
4272 bnx2x_rxq_set_mac_filters(bp, cl_id,
4273 BNX2X_ACCEPT_UNICAST |
4274 BNX2X_ACCEPT_MULTICAST);
4275 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004276#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004277 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004278
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004279 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004280 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4281 BNX2X_ACCEPT_ALL_MULTICAST;
4282#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004283 /*
4284 * Prevent duplication of multicast packets by configuring FCoE
4285 * L2 Client to receive only matched unicast frames.
4286 */
4287 if (!NO_FCOE(bp)) {
4288 cl_id = bnx2x_fcoe(bp, cl_id);
4289 bnx2x_rxq_set_mac_filters(bp, cl_id,
4290 BNX2X_ACCEPT_UNICAST);
4291 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004292#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004293 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004294
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004295 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004296 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4297#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004298 /*
4299 * Prevent packets duplication by configuring DROP_ALL for FCoE
4300 * L2 Client.
4301 */
4302 if (!NO_FCOE(bp)) {
4303 cl_id = bnx2x_fcoe(bp, cl_id);
4304 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4305 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004306#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004307 /* pass management unicast packets as well */
4308 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004309 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004310
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004311 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004312 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4313 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004314 }
4315
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004316 cl_id = BP_L_ID(bp);
4317 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4318
Eilon Greenstein581ce432009-07-29 00:20:04 +00004319 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004320 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4321 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004322
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004323 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4324 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004325 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4326 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004327 bp->mac_filters.ucast_drop_all,
4328 bp->mac_filters.mcast_drop_all,
4329 bp->mac_filters.bcast_drop_all,
4330 bp->mac_filters.ucast_accept_all,
4331 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004332 bp->mac_filters.bcast_accept_all,
4333 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004334 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004335
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004336 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004337}
4338
Eilon Greenstein471de712008-08-13 15:49:35 -07004339static void bnx2x_init_internal_common(struct bnx2x *bp)
4340{
4341 int i;
4342
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004343 if (!CHIP_IS_E1(bp)) {
4344
4345 /* xstorm needs to know whether to add ovlan to packets or not,
4346 * in switch-independent we'll write 0 to here... */
4347 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004348 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004349 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004350 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004351 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004352 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004353 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004354 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004355 }
4356
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004357 if (IS_MF_SI(bp))
4358 /*
4359 * In switch independent mode, the TSTORM needs to accept
4360 * packets that failed classification, since approximate match
4361 * mac addresses aren't written to NIG LLH
4362 */
4363 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4364 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4365
Eilon Greenstein471de712008-08-13 15:49:35 -07004366 /* Zero this manually as its initialization is
4367 currently missing in the initTool */
4368 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4369 REG_WR(bp, BAR_USTRORM_INTMEM +
4370 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004371 if (CHIP_IS_E2(bp)) {
4372 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4373 CHIP_INT_MODE_IS_BC(bp) ?
4374 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4375 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004376}
4377
4378static void bnx2x_init_internal_port(struct bnx2x *bp)
4379{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004380 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004381 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004382}
4383
Eilon Greenstein471de712008-08-13 15:49:35 -07004384static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4385{
4386 switch (load_code) {
4387 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004388 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004389 bnx2x_init_internal_common(bp);
4390 /* no break */
4391
4392 case FW_MSG_CODE_DRV_LOAD_PORT:
4393 bnx2x_init_internal_port(bp);
4394 /* no break */
4395
4396 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004397 /* internal memory per function is
4398 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004399 break;
4400
4401 default:
4402 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4403 break;
4404 }
4405}
4406
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004407static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4408{
4409 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4410
4411 fp->state = BNX2X_FP_STATE_CLOSED;
4412
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004413 fp->cid = fp_idx;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004414 fp->cl_id = BP_L_ID(bp) + fp_idx;
4415 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4416 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4417 /* qZone id equals to FW (per path) client id */
4418 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004419 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4420 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004421 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004422 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4423 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004424 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4425 /* Setup SB indicies */
4426 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4427 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4428
4429 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4430 "cl_id %d fw_sb %d igu_sb %d\n",
4431 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4432 fp->igu_sb_id);
4433 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4434 fp->fw_sb_id, fp->igu_sb_id);
4435
4436 bnx2x_update_fpsb_idx(fp);
4437}
4438
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004439void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004440{
4441 int i;
4442
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004443 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004444 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004445#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004446 if (!NO_FCOE(bp))
4447 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004448
4449 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4450 BNX2X_VF_ID_INVALID, false,
4451 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4452
Michael Chan37b091b2009-10-10 13:46:55 +00004453#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004454
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004455 /* Initialize MOD_ABS interrupts */
4456 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
4457 bp->common.shmem_base, bp->common.shmem2_base,
4458 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00004459 /* ensure status block indices were read */
4460 rmb();
4461
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004462 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004463 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004464 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004465 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004466 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004467 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004468 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004469 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004470 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004471 bnx2x_stats_init(bp);
4472
4473 /* At this point, we are ready for interrupts */
4474 atomic_set(&bp->intr_sem, 0);
4475
4476 /* flush all before enabling interrupts */
4477 mb();
4478 mmiowb();
4479
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004480 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004481
4482 /* Check for SPIO5 */
4483 bnx2x_attn_int_deasserted0(bp,
4484 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4485 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004486}
4487
4488/* end of nic init */
4489
4490/*
4491 * gzip service functions
4492 */
4493
4494static int bnx2x_gunzip_init(struct bnx2x *bp)
4495{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004496 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4497 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004498 if (bp->gunzip_buf == NULL)
4499 goto gunzip_nomem1;
4500
4501 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4502 if (bp->strm == NULL)
4503 goto gunzip_nomem2;
4504
4505 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4506 GFP_KERNEL);
4507 if (bp->strm->workspace == NULL)
4508 goto gunzip_nomem3;
4509
4510 return 0;
4511
4512gunzip_nomem3:
4513 kfree(bp->strm);
4514 bp->strm = NULL;
4515
4516gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004517 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4518 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004519 bp->gunzip_buf = NULL;
4520
4521gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004522 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4523 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004524 return -ENOMEM;
4525}
4526
4527static void bnx2x_gunzip_end(struct bnx2x *bp)
4528{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004529 if (bp->strm) {
4530 kfree(bp->strm->workspace);
4531 kfree(bp->strm);
4532 bp->strm = NULL;
4533 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004534
4535 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004536 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4537 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004538 bp->gunzip_buf = NULL;
4539 }
4540}
4541
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004542static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004543{
4544 int n, rc;
4545
4546 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004547 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4548 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004549 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004550 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004551
4552 n = 10;
4553
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004554#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004555
4556 if (zbuf[3] & FNAME)
4557 while ((zbuf[n++] != 0) && (n < len));
4558
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004559 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004560 bp->strm->avail_in = len - n;
4561 bp->strm->next_out = bp->gunzip_buf;
4562 bp->strm->avail_out = FW_BUF_SIZE;
4563
4564 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4565 if (rc != Z_OK)
4566 return rc;
4567
4568 rc = zlib_inflate(bp->strm, Z_FINISH);
4569 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004570 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4571 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004572
4573 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4574 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004575 netdev_err(bp->dev, "Firmware decompression error:"
4576 " gunzip_outlen (%d) not aligned\n",
4577 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004578 bp->gunzip_outlen >>= 2;
4579
4580 zlib_inflateEnd(bp->strm);
4581
4582 if (rc == Z_STREAM_END)
4583 return 0;
4584
4585 return rc;
4586}
4587
4588/* nic load/unload */
4589
4590/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004591 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004592 */
4593
4594/* send a NIG loopback debug packet */
4595static void bnx2x_lb_pckt(struct bnx2x *bp)
4596{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004597 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004598
4599 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004600 wb_write[0] = 0x55555555;
4601 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004602 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004603 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004604
4605 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004606 wb_write[0] = 0x09000000;
4607 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004608 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004609 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004610}
4611
4612/* some of the internal memories
4613 * are not directly readable from the driver
4614 * to test them we send debug packets
4615 */
4616static int bnx2x_int_mem_test(struct bnx2x *bp)
4617{
4618 int factor;
4619 int count, i;
4620 u32 val = 0;
4621
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004622 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004623 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004624 else if (CHIP_REV_IS_EMUL(bp))
4625 factor = 200;
4626 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004627 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004628
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004629 /* Disable inputs of parser neighbor blocks */
4630 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4631 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4632 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004633 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004634
4635 /* Write 0 to parser credits for CFC search request */
4636 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4637
4638 /* send Ethernet packet */
4639 bnx2x_lb_pckt(bp);
4640
4641 /* TODO do i reset NIG statistic? */
4642 /* Wait until NIG register shows 1 packet of size 0x10 */
4643 count = 1000 * factor;
4644 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004645
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004646 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4647 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004648 if (val == 0x10)
4649 break;
4650
4651 msleep(10);
4652 count--;
4653 }
4654 if (val != 0x10) {
4655 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4656 return -1;
4657 }
4658
4659 /* Wait until PRS register shows 1 packet */
4660 count = 1000 * factor;
4661 while (count) {
4662 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004663 if (val == 1)
4664 break;
4665
4666 msleep(10);
4667 count--;
4668 }
4669 if (val != 0x1) {
4670 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4671 return -2;
4672 }
4673
4674 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004675 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004676 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004677 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004678 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004679 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4680 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004681
4682 DP(NETIF_MSG_HW, "part2\n");
4683
4684 /* Disable inputs of parser neighbor blocks */
4685 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4686 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4687 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004688 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004689
4690 /* Write 0 to parser credits for CFC search request */
4691 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4692
4693 /* send 10 Ethernet packets */
4694 for (i = 0; i < 10; i++)
4695 bnx2x_lb_pckt(bp);
4696
4697 /* Wait until NIG register shows 10 + 1
4698 packets of size 11*0x10 = 0xb0 */
4699 count = 1000 * factor;
4700 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004701
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004702 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4703 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004704 if (val == 0xb0)
4705 break;
4706
4707 msleep(10);
4708 count--;
4709 }
4710 if (val != 0xb0) {
4711 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4712 return -3;
4713 }
4714
4715 /* Wait until PRS register shows 2 packets */
4716 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4717 if (val != 2)
4718 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4719
4720 /* Write 1 to parser credits for CFC search request */
4721 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4722
4723 /* Wait until PRS register shows 3 packets */
4724 msleep(10 * factor);
4725 /* Wait until NIG register shows 1 packet of size 0x10 */
4726 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4727 if (val != 3)
4728 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4729
4730 /* clear NIG EOP FIFO */
4731 for (i = 0; i < 11; i++)
4732 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4733 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4734 if (val != 1) {
4735 BNX2X_ERR("clear of NIG failed\n");
4736 return -4;
4737 }
4738
4739 /* Reset and init BRB, PRS, NIG */
4740 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4741 msleep(50);
4742 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4743 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004744 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4745 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004746#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004747 /* set NIC mode */
4748 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4749#endif
4750
4751 /* Enable inputs of parser neighbor blocks */
4752 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4753 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4754 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004755 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004756
4757 DP(NETIF_MSG_HW, "done\n");
4758
4759 return 0; /* OK */
4760}
4761
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004762static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004763{
4764 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004765 if (CHIP_IS_E2(bp))
4766 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4767 else
4768 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004769 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4770 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004771 /*
4772 * mask read length error interrupts in brb for parser
4773 * (parsing unit and 'checksum and crc' unit)
4774 * these errors are legal (PU reads fixed length and CAC can cause
4775 * read length error on truncated packets)
4776 */
4777 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004778 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4779 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4780 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4781 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4782 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004783/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4784/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004785 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4786 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4787 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004788/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4789/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004790 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4791 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4792 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4793 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004794/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4795/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004796
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004797 if (CHIP_REV_IS_FPGA(bp))
4798 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004799 else if (CHIP_IS_E2(bp))
4800 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4801 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4802 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4803 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4804 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4805 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004806 else
4807 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004808 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4809 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4810 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004811/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4812/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004813 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4814 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004815/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004816 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004817}
4818
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004819static void bnx2x_reset_common(struct bnx2x *bp)
4820{
4821 /* reset_common */
4822 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4823 0xd3ffff7f);
4824 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4825}
4826
Eilon Greenstein573f2032009-08-12 08:24:14 +00004827static void bnx2x_init_pxp(struct bnx2x *bp)
4828{
4829 u16 devctl;
4830 int r_order, w_order;
4831
4832 pci_read_config_word(bp->pdev,
4833 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4834 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4835 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4836 if (bp->mrrs == -1)
4837 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4838 else {
4839 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4840 r_order = bp->mrrs;
4841 }
4842
4843 bnx2x_init_pxp_arb(bp, r_order, w_order);
4844}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004845
4846static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4847{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004848 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004849 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004850 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004851
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004852 if (BP_NOMCP(bp))
4853 return;
4854
4855 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004856 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4857 SHARED_HW_CFG_FAN_FAILURE_MASK;
4858
4859 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4860 is_required = 1;
4861
4862 /*
4863 * The fan failure mechanism is usually related to the PHY type since
4864 * the power consumption of the board is affected by the PHY. Currently,
4865 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4866 */
4867 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4868 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004869 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004870 bnx2x_fan_failure_det_req(
4871 bp,
4872 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004873 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004874 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004875 }
4876
4877 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4878
4879 if (is_required == 0)
4880 return;
4881
4882 /* Fan failure is indicated by SPIO 5 */
4883 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4884 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4885
4886 /* set to active low mode */
4887 val = REG_RD(bp, MISC_REG_SPIO_INT);
4888 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004889 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004890 REG_WR(bp, MISC_REG_SPIO_INT, val);
4891
4892 /* enable interrupt to signal the IGU */
4893 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4894 val |= (1 << MISC_REGISTERS_SPIO_5);
4895 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4896}
4897
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004898static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4899{
4900 u32 offset = 0;
4901
4902 if (CHIP_IS_E1(bp))
4903 return;
4904 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4905 return;
4906
4907 switch (BP_ABS_FUNC(bp)) {
4908 case 0:
4909 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4910 break;
4911 case 1:
4912 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4913 break;
4914 case 2:
4915 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4916 break;
4917 case 3:
4918 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4919 break;
4920 case 4:
4921 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4922 break;
4923 case 5:
4924 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4925 break;
4926 case 6:
4927 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4928 break;
4929 case 7:
4930 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4931 break;
4932 default:
4933 return;
4934 }
4935
4936 REG_WR(bp, offset, pretend_func_num);
4937 REG_RD(bp, offset);
4938 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4939}
4940
4941static void bnx2x_pf_disable(struct bnx2x *bp)
4942{
4943 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4944 val &= ~IGU_PF_CONF_FUNC_EN;
4945
4946 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4947 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4948 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4949}
4950
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004951static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004952{
4953 u32 val, i;
4954
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004955 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004956
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004957 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004958 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4959 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4960
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004961 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004962 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004963 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004964
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004965 if (CHIP_IS_E2(bp)) {
4966 u8 fid;
4967
4968 /**
4969 * 4-port mode or 2-port mode we need to turn of master-enable
4970 * for everyone, after that, turn it back on for self.
4971 * so, we disregard multi-function or not, and always disable
4972 * for all functions on the given path, this means 0,2,4,6 for
4973 * path 0 and 1,3,5,7 for path 1
4974 */
4975 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
4976 if (fid == BP_ABS_FUNC(bp)) {
4977 REG_WR(bp,
4978 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
4979 1);
4980 continue;
4981 }
4982
4983 bnx2x_pretend_func(bp, fid);
4984 /* clear pf enable */
4985 bnx2x_pf_disable(bp);
4986 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
4987 }
4988 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004989
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004990 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004991 if (CHIP_IS_E1(bp)) {
4992 /* enable HW interrupt from PXP on USDM overflow
4993 bit 16 on INT_MASK_0 */
4994 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004995 }
4996
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004997 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004998 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004999
5000#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005001 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5002 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5003 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5004 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5005 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005006 /* make sure this value is 0 */
5007 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005008
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005009/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5010 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5011 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5012 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5013 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005014#endif
5015
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005016 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5017
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005018 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5019 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005020
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005021 /* let the HW do it's magic ... */
5022 msleep(100);
5023 /* finish PXP init */
5024 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5025 if (val != 1) {
5026 BNX2X_ERR("PXP2 CFG failed\n");
5027 return -EBUSY;
5028 }
5029 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5030 if (val != 1) {
5031 BNX2X_ERR("PXP2 RD_INIT failed\n");
5032 return -EBUSY;
5033 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005034
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005035 /* Timers bug workaround E2 only. We need to set the entire ILT to
5036 * have entries with value "0" and valid bit on.
5037 * This needs to be done by the first PF that is loaded in a path
5038 * (i.e. common phase)
5039 */
5040 if (CHIP_IS_E2(bp)) {
5041 struct ilt_client_info ilt_cli;
5042 struct bnx2x_ilt ilt;
5043 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5044 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5045
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005046 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005047 ilt_cli.start = 0;
5048 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5049 ilt_cli.client_num = ILT_CLIENT_TM;
5050
5051 /* Step 1: set zeroes to all ilt page entries with valid bit on
5052 * Step 2: set the timers first/last ilt entry to point
5053 * to the entire range to prevent ILT range error for 3rd/4th
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005054 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005055 *
5056 * both steps performed by call to bnx2x_ilt_client_init_op()
5057 * with dummy TM client
5058 *
5059 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5060 * and his brother are split registers
5061 */
5062 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5063 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5064 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5065
5066 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5067 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5068 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5069 }
5070
5071
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005072 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5073 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005074
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005075 if (CHIP_IS_E2(bp)) {
5076 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5077 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5078 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5079
5080 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5081
5082 /* let the HW do it's magic ... */
5083 do {
5084 msleep(200);
5085 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5086 } while (factor-- && (val != 1));
5087
5088 if (val != 1) {
5089 BNX2X_ERR("ATC_INIT failed\n");
5090 return -EBUSY;
5091 }
5092 }
5093
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005094 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005095
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005096 /* clean the DMAE memory */
5097 bp->dmae_ready = 1;
5098 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005099
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005100 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5101 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5102 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5103 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005104
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005105 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5106 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5107 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5108 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5109
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005110 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005111
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005112 if (CHIP_MODE_IS_4_PORT(bp))
5113 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005114
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005115 /* QM queues pointers table */
5116 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005117
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005118 /* soft reset pulse */
5119 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5120 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005121
Michael Chan37b091b2009-10-10 13:46:55 +00005122#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005123 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005124#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005125
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005126 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005127 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5128
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005129 if (!CHIP_REV_IS_SLOW(bp)) {
5130 /* enable hw interrupt from doorbell Q */
5131 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5132 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005133
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005134 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005135 if (CHIP_MODE_IS_4_PORT(bp)) {
5136 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5137 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5138 }
5139
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005140 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005141 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005142#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005143 /* set NIC mode */
5144 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005145#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005146 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005147 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005148
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005149 if (CHIP_IS_E2(bp)) {
5150 /* Bit-map indicating which L2 hdrs may appear after the
5151 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005152 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005153 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5154 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5155 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005156
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005157 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5158 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5159 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5160 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005161
Eilon Greensteinca003922009-08-12 22:53:28 -07005162 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5163 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5164 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5165 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005166
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005167 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5168 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5169 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5170 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005171
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005172 if (CHIP_MODE_IS_4_PORT(bp))
5173 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5174
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005175 /* sync semi rtc */
5176 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5177 0x80000000);
5178 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5179 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005180
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005181 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5182 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5183 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005184
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005185 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005186 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005187 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5188 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5189 }
5190
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005191 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005192 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5193 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005194
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005195 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005196#ifdef BCM_CNIC
5197 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5198 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5199 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5200 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5201 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5202 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5203 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5204 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5205 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5206 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5207#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005208 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005209
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005210 if (sizeof(union cdu_context) != 1024)
5211 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005212 dev_alert(&bp->pdev->dev, "please adjust the size "
5213 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005214 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005215
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005216 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005217 val = (4 << 24) + (0 << 12) + 1024;
5218 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005219
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005220 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005221 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005222 /* enable context validation interrupt from CFC */
5223 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5224
5225 /* set the thresholds to prevent CFC/CDU race */
5226 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005227
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005228 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005229
5230 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5231 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5232
5233 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005234 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005235
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005236 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005237 /* Reset PCIE errors for debug */
5238 REG_WR(bp, 0x2814, 0xffffffff);
5239 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005240
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005241 if (CHIP_IS_E2(bp)) {
5242 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5243 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5244 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5245 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5246 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5247 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5248 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5249 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5250 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5251 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5252 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5253 }
5254
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005255 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005256 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005257 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005258 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005259
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005260 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005261 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005262 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005263 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005264 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005265 if (CHIP_IS_E2(bp)) {
5266 /* Bit-map indicating which L2 hdrs may appear after the
5267 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005268 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005269 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005270
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005271 if (CHIP_REV_IS_SLOW(bp))
5272 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005273
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005274 /* finish CFC init */
5275 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5276 if (val != 1) {
5277 BNX2X_ERR("CFC LL_INIT failed\n");
5278 return -EBUSY;
5279 }
5280 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5281 if (val != 1) {
5282 BNX2X_ERR("CFC AC_INIT failed\n");
5283 return -EBUSY;
5284 }
5285 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5286 if (val != 1) {
5287 BNX2X_ERR("CFC CAM_INIT failed\n");
5288 return -EBUSY;
5289 }
5290 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005291
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005292 if (CHIP_IS_E1(bp)) {
5293 /* read NIG statistic
5294 to see if this is our first up since powerup */
5295 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5296 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005297
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005298 /* do internal memory self test */
5299 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5300 BNX2X_ERR("internal mem self test failed\n");
5301 return -EBUSY;
5302 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005303 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005304
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005305 bnx2x_setup_fan_failure_detection(bp);
5306
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005307 /* clear PXP2 attentions */
5308 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005309
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005310 bnx2x_enable_blocks_attention(bp);
5311 if (CHIP_PARITY_ENABLED(bp))
5312 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005313
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005314 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005315 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5316 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5317 CHIP_IS_E1x(bp)) {
5318 u32 shmem_base[2], shmem2_base[2];
5319 shmem_base[0] = bp->common.shmem_base;
5320 shmem2_base[0] = bp->common.shmem2_base;
5321 if (CHIP_IS_E2(bp)) {
5322 shmem_base[1] =
5323 SHMEM2_RD(bp, other_shmem_base_addr);
5324 shmem2_base[1] =
5325 SHMEM2_RD(bp, other_shmem2_base_addr);
5326 }
5327 bnx2x_acquire_phy_lock(bp);
5328 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5329 bp->common.chip_id);
5330 bnx2x_release_phy_lock(bp);
5331 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005332 } else
5333 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5334
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005335 return 0;
5336}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005337
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005338static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005339{
5340 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005341 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005342 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005343 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005344
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005345 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005346
5347 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005348
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005349 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005350 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005351
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005352 /* Timers bug workaround: disables the pf_master bit in pglue at
5353 * common phase, we need to enable it here before any dmae access are
5354 * attempted. Therefore we manually added the enable-master to the
5355 * port phase (it also happens in the function phase)
5356 */
5357 if (CHIP_IS_E2(bp))
5358 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5359
Eilon Greensteinca003922009-08-12 22:53:28 -07005360 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5361 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5362 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005363 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005364
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005365 /* QM cid (connection) count */
5366 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005367
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005368#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005369 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005370 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5371 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005372#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005373
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005374 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005375
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005376 if (CHIP_MODE_IS_4_PORT(bp))
5377 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005378
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005379 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5380 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5381 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5382 /* no pause for emulation and FPGA */
5383 low = 0;
5384 high = 513;
5385 } else {
5386 if (IS_MF(bp))
5387 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5388 else if (bp->dev->mtu > 4096) {
5389 if (bp->flags & ONE_PORT_FLAG)
5390 low = 160;
5391 else {
5392 val = bp->dev->mtu;
5393 /* (24*1024 + val*4)/256 */
5394 low = 96 + (val/64) +
5395 ((val % 64) ? 1 : 0);
5396 }
5397 } else
5398 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5399 high = low + 56; /* 14*1024/256 */
5400 }
5401 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5402 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5403 }
5404
5405 if (CHIP_MODE_IS_4_PORT(bp)) {
5406 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5407 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5408 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5409 BRB1_REG_MAC_GUARANTIED_0), 40);
5410 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005411
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005412 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005413
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005414 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005415 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005416 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005417 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005418
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005419 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5420 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5421 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5422 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005423 if (CHIP_MODE_IS_4_PORT(bp))
5424 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005425
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005426 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005427 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005428
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005429 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005430
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005431 if (!CHIP_IS_E2(bp)) {
5432 /* configure PBF to work without PAUSE mtu 9000 */
5433 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005434
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005435 /* update threshold */
5436 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5437 /* update init credit */
5438 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005439
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005440 /* probe changes */
5441 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5442 udelay(50);
5443 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5444 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005445
Michael Chan37b091b2009-10-10 13:46:55 +00005446#ifdef BCM_CNIC
5447 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005448#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005449 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005450 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005451
5452 if (CHIP_IS_E1(bp)) {
5453 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5454 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5455 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005456 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005457
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005458 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5459
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005460 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005461 /* init aeu_mask_attn_func_0/1:
5462 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5463 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5464 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005465 val = IS_MF(bp) ? 0xF7 : 0x7;
5466 /* Enable DCBX attention for all but E1 */
5467 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5468 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005469
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005470 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005471 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005472 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005473 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005474 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005475
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005476 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005477
5478 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5479
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005480 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005481 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005482 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005483 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005484
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005485 if (CHIP_IS_E2(bp)) {
5486 val = 0;
5487 switch (bp->mf_mode) {
5488 case MULTI_FUNCTION_SD:
5489 val = 1;
5490 break;
5491 case MULTI_FUNCTION_SI:
5492 val = 2;
5493 break;
5494 }
5495
5496 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5497 NIG_REG_LLH0_CLS_TYPE), val);
5498 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005499 {
5500 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5501 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5502 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5503 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005504 }
5505
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005506 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005507 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005508 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005509 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005510 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5511 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5512 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005513 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005514 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005515 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005516 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005517
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005518 return 0;
5519}
5520
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005521static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5522{
5523 int reg;
5524
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005525 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005526 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005527 else
5528 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005529
5530 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5531}
5532
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005533static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5534{
5535 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5536}
5537
5538static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5539{
5540 u32 i, base = FUNC_ILT_BASE(func);
5541 for (i = base; i < base + ILT_PER_FUNC; i++)
5542 bnx2x_ilt_wr(bp, i, 0);
5543}
5544
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005545static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005546{
5547 int port = BP_PORT(bp);
5548 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005549 struct bnx2x_ilt *ilt = BP_ILT(bp);
5550 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005551 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005552 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5553 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005554
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005555 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005556
Eilon Greenstein8badd272009-02-12 08:36:15 +00005557 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005558 if (bp->common.int_block == INT_BLOCK_HC) {
5559 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5560 val = REG_RD(bp, addr);
5561 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5562 REG_WR(bp, addr, val);
5563 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005564
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005565 ilt = BP_ILT(bp);
5566 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005567
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005568 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5569 ilt->lines[cdu_ilt_start + i].page =
5570 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5571 ilt->lines[cdu_ilt_start + i].page_mapping =
5572 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5573 /* cdu ilt pages are allocated manually so there's no need to
5574 set the size */
5575 }
5576 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005577
Michael Chan37b091b2009-10-10 13:46:55 +00005578#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005579 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005580
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005581 /* T1 hash bits value determines the T1 number of entries */
5582 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005583#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005584
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005585#ifndef BCM_CNIC
5586 /* set NIC mode */
5587 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5588#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005589
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005590 if (CHIP_IS_E2(bp)) {
5591 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5592
5593 /* Turn on a single ISR mode in IGU if driver is going to use
5594 * INT#x or MSI
5595 */
5596 if (!(bp->flags & USING_MSIX_FLAG))
5597 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5598 /*
5599 * Timers workaround bug: function init part.
5600 * Need to wait 20msec after initializing ILT,
5601 * needed to make sure there are no requests in
5602 * one of the PXP internal queues with "old" ILT addresses
5603 */
5604 msleep(20);
5605 /*
5606 * Master enable - Due to WB DMAE writes performed before this
5607 * register is re-initialized as part of the regular function
5608 * init
5609 */
5610 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5611 /* Enable the function in IGU */
5612 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5613 }
5614
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005615 bp->dmae_ready = 1;
5616
5617 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5618
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005619 if (CHIP_IS_E2(bp))
5620 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5621
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005622 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5623 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5624 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5625 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5626 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5627 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5628 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5629 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5630 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5631
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005632 if (CHIP_IS_E2(bp)) {
5633 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5634 BP_PATH(bp));
5635 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5636 BP_PATH(bp));
5637 }
5638
5639 if (CHIP_MODE_IS_4_PORT(bp))
5640 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5641
5642 if (CHIP_IS_E2(bp))
5643 REG_WR(bp, QM_REG_PF_EN, 1);
5644
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005645 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005646
5647 if (CHIP_MODE_IS_4_PORT(bp))
5648 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5649
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005650 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5651 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5652 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5653 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5654 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5655 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5656 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5657 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5658 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5659 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5660 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005661 if (CHIP_IS_E2(bp))
5662 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5663
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005664 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5665
5666 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5667
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005668 if (CHIP_IS_E2(bp))
5669 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5670
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005671 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005672 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005673 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005674 }
5675
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005676 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5677
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005678 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005679 if (bp->common.int_block == INT_BLOCK_HC) {
5680 if (CHIP_IS_E1H(bp)) {
5681 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5682
5683 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5684 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5685 }
5686 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5687
5688 } else {
5689 int num_segs, sb_idx, prod_offset;
5690
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005691 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5692
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005693 if (CHIP_IS_E2(bp)) {
5694 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5695 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5696 }
5697
5698 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5699
5700 if (CHIP_IS_E2(bp)) {
5701 int dsb_idx = 0;
5702 /**
5703 * Producer memory:
5704 * E2 mode: address 0-135 match to the mapping memory;
5705 * 136 - PF0 default prod; 137 - PF1 default prod;
5706 * 138 - PF2 default prod; 139 - PF3 default prod;
5707 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5708 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5709 * 144-147 reserved.
5710 *
5711 * E1.5 mode - In backward compatible mode;
5712 * for non default SB; each even line in the memory
5713 * holds the U producer and each odd line hold
5714 * the C producer. The first 128 producers are for
5715 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5716 * producers are for the DSB for each PF.
5717 * Each PF has five segments: (the order inside each
5718 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5719 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5720 * 144-147 attn prods;
5721 */
5722 /* non-default-status-blocks */
5723 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5724 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5725 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5726 prod_offset = (bp->igu_base_sb + sb_idx) *
5727 num_segs;
5728
5729 for (i = 0; i < num_segs; i++) {
5730 addr = IGU_REG_PROD_CONS_MEMORY +
5731 (prod_offset + i) * 4;
5732 REG_WR(bp, addr, 0);
5733 }
5734 /* send consumer update with value 0 */
5735 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5736 USTORM_ID, 0, IGU_INT_NOP, 1);
5737 bnx2x_igu_clear_sb(bp,
5738 bp->igu_base_sb + sb_idx);
5739 }
5740
5741 /* default-status-blocks */
5742 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5743 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5744
5745 if (CHIP_MODE_IS_4_PORT(bp))
5746 dsb_idx = BP_FUNC(bp);
5747 else
5748 dsb_idx = BP_E1HVN(bp);
5749
5750 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5751 IGU_BC_BASE_DSB_PROD + dsb_idx :
5752 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5753
5754 for (i = 0; i < (num_segs * E1HVN_MAX);
5755 i += E1HVN_MAX) {
5756 addr = IGU_REG_PROD_CONS_MEMORY +
5757 (prod_offset + i)*4;
5758 REG_WR(bp, addr, 0);
5759 }
5760 /* send consumer update with 0 */
5761 if (CHIP_INT_MODE_IS_BC(bp)) {
5762 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5763 USTORM_ID, 0, IGU_INT_NOP, 1);
5764 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5765 CSTORM_ID, 0, IGU_INT_NOP, 1);
5766 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5767 XSTORM_ID, 0, IGU_INT_NOP, 1);
5768 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5769 TSTORM_ID, 0, IGU_INT_NOP, 1);
5770 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5771 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5772 } else {
5773 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5774 USTORM_ID, 0, IGU_INT_NOP, 1);
5775 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5776 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5777 }
5778 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5779
5780 /* !!! these should become driver const once
5781 rf-tool supports split-68 const */
5782 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5783 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5784 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5785 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5786 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5787 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5788 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005789 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005790
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005791 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005792 REG_WR(bp, 0x2114, 0xffffffff);
5793 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005794
5795 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5796 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5797 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5798 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5799 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5800 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5801
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005802 if (CHIP_IS_E1x(bp)) {
5803 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5804 main_mem_base = HC_REG_MAIN_MEMORY +
5805 BP_PORT(bp) * (main_mem_size * 4);
5806 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5807 main_mem_width = 8;
5808
5809 val = REG_RD(bp, main_mem_prty_clr);
5810 if (val)
5811 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5812 "block during "
5813 "function init (0x%x)!\n", val);
5814
5815 /* Clear "false" parity errors in MSI-X table */
5816 for (i = main_mem_base;
5817 i < main_mem_base + main_mem_size * 4;
5818 i += main_mem_width) {
5819 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5820 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5821 i, main_mem_width / 4);
5822 }
5823 /* Clear HC parity attention */
5824 REG_RD(bp, main_mem_prty_clr);
5825 }
5826
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005827 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005828
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005829 return 0;
5830}
5831
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005832int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005833{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005834 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005835
5836 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005837 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005838
5839 bp->dmae_ready = 0;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005840 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005841
5842 switch (load_code) {
5843 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005844 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005845 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005846 if (rc)
5847 goto init_hw_err;
5848 /* no break */
5849
5850 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005851 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005852 if (rc)
5853 goto init_hw_err;
5854 /* no break */
5855
5856 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005857 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005858 if (rc)
5859 goto init_hw_err;
5860 break;
5861
5862 default:
5863 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5864 break;
5865 }
5866
5867 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005868 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005869
5870 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005871 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005872 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005873 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5874 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005875
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005876init_hw_err:
5877 bnx2x_gunzip_end(bp);
5878
5879 return rc;
5880}
5881
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005882void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005883{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005884 bnx2x_gunzip_end(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005885
5886 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005887 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005888 /* end of fastpath */
5889
5890 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005891 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005892
5893 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005894 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005895
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005896 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5897 bp->context.size);
5898
5899 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5900
5901 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005902
Michael Chan37b091b2009-10-10 13:46:55 +00005903#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005904 if (CHIP_IS_E2(bp))
5905 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5906 sizeof(struct host_hc_status_block_e2));
5907 else
5908 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5909 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005910
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005911 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005912#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005913
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005914 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005915
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005916 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5917 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5918
Tom Herbertab532cf2011-02-16 10:27:02 +00005919 BNX2X_FREE(bp->rx_indir_table);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005920}
5921
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005922
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005923int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005924{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005925 if (bnx2x_gunzip_init(bp))
5926 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005927
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005928#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005929 if (CHIP_IS_E2(bp))
5930 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
5931 sizeof(struct host_hc_status_block_e2));
5932 else
5933 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
5934 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005935
5936 /* allocate searcher T2 table */
5937 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
5938#endif
5939
5940
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005941 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005942 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005943
5944 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5945 sizeof(struct bnx2x_slowpath));
5946
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005947 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005948
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005949 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
5950 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005951
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005952 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005953
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005954 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
5955 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005956
5957 /* Slow path ring */
5958 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5959
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005960 /* EQ */
5961 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
5962 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00005963
5964 BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
5965 TSTORM_INDIRECTION_TABLE_SIZE);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005966
5967 /* fastpath */
5968 /* need to be done at the end, since it's self adjusting to amount
5969 * of memory available for RSS queues
5970 */
5971 if (bnx2x_alloc_fp_mem(bp))
5972 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005973 return 0;
5974
5975alloc_mem_err:
5976 bnx2x_free_mem(bp);
5977 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005978}
5979
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005980/*
5981 * Init service functions
5982 */
stephen hemminger8d962862010-10-21 07:50:56 +00005983static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
5984 int *state_p, int flags);
5985
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005986int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005987{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005988 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005989
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005990 /* Wait for completion */
5991 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
5992 WAIT_RAMROD_COMMON);
5993}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005994
stephen hemminger8d962862010-10-21 07:50:56 +00005995static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005996{
5997 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005998
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005999 /* Wait for completion */
6000 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6001 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006002}
6003
Michael Chane665bfd2009-10-10 13:46:54 +00006004/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006005 * 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 +00006006 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006007 * @bp: driver handle
6008 * @set: set or clear an entry (1 or 0)
6009 * @mac: pointer to a buffer containing a MAC
6010 * @cl_bit_vec: bit vector of clients to register a MAC for
6011 * @cam_offset: offset in a CAM to use
6012 * @is_bcast: is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006013 */
Joe Perches215faf92010-12-21 02:16:10 -08006014static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006015 u32 cl_bit_vec, u8 cam_offset,
6016 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006017{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006018 struct mac_configuration_cmd *config =
6019 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6020 int ramrod_flags = WAIT_RAMROD_COMMON;
6021
6022 bp->set_mac_pending = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006023
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006024 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006025 config->hdr.offset = cam_offset;
6026 config->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006027 /* Mark the single MAC configuration ramrod as opposed to a
6028 * UC/MC list configuration).
6029 */
6030 config->hdr.echo = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006031
6032 /* primary MAC */
6033 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006034 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006035 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006036 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006037 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006038 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006039 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006040 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006041 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006042 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006043 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006044 SET_FLAG(config->config_table[0].flags,
6045 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6046 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006047 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006048 SET_FLAG(config->config_table[0].flags,
6049 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6050 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006051
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006052 if (is_bcast)
6053 SET_FLAG(config->config_table[0].flags,
6054 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6055
6056 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006057 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006058 config->config_table[0].msb_mac_addr,
6059 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006060 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006061
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006062 mb();
6063
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006064 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006065 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006066 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6067
6068 /* Wait for a completion */
6069 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006070}
6071
stephen hemminger8d962862010-10-21 07:50:56 +00006072static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6073 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006074{
6075 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006076 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006077 u8 poll = flags & WAIT_RAMROD_POLL;
6078 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006079
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006080 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6081 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006082
6083 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006084 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006085 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006086 if (common)
6087 bnx2x_eq_int(bp);
6088 else {
6089 bnx2x_rx_int(bp->fp, 10);
6090 /* if index is different from 0
6091 * the reply for some commands will
6092 * be on the non default queue
6093 */
6094 if (idx)
6095 bnx2x_rx_int(&bp->fp[idx], 10);
6096 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006097 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006098
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006099 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006100 if (*state_p == state) {
6101#ifdef BNX2X_STOP_ON_ERROR
6102 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6103#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006104 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006105 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006106
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006107 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006108
6109 if (bp->panic)
6110 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006111 }
6112
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006113 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006114 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6115 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006116#ifdef BNX2X_STOP_ON_ERROR
6117 bnx2x_panic();
6118#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006119
Eliezer Tamir49d66772008-02-28 11:53:13 -08006120 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006121}
6122
stephen hemminger8d962862010-10-21 07:50:56 +00006123static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006124{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006125 if (CHIP_IS_E1H(bp))
6126 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6127 else if (CHIP_MODE_IS_4_PORT(bp))
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006128 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006129 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006130 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
Michael Chane665bfd2009-10-10 13:46:54 +00006131}
6132
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006133/**
6134 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6135 * relevant. In addition, current implementation is tuned for a
6136 * single ETH MAC.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006137 */
6138enum {
6139 LLH_CAM_ISCSI_ETH_LINE = 0,
6140 LLH_CAM_ETH_LINE,
6141 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6142};
6143
6144static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6145 int set,
6146 unsigned char *dev_addr,
6147 int index)
6148{
6149 u32 wb_data[2];
6150 u32 mem_offset, ena_offset, mem_index;
6151 /**
6152 * indexes mapping:
6153 * 0..7 - goes to MEM
6154 * 8..15 - goes to MEM2
6155 */
6156
6157 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6158 return;
6159
6160 /* calculate memory start offset according to the mapping
6161 * and index in the memory */
6162 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6163 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6164 NIG_REG_LLH0_FUNC_MEM;
6165 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6166 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6167 mem_index = index;
6168 } else {
6169 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6170 NIG_REG_P0_LLH_FUNC_MEM2;
6171 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6172 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6173 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6174 }
6175
6176 if (set) {
6177 /* LLH_FUNC_MEM is a u64 WB register */
6178 mem_offset += 8*mem_index;
6179
6180 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6181 (dev_addr[4] << 8) | dev_addr[5]);
6182 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6183
6184 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6185 }
6186
6187 /* enable/disable the entry */
6188 REG_WR(bp, ena_offset + 4*mem_index, set);
6189
6190}
6191
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006192void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006193{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006194 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6195 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6196
6197 /* networking MAC */
6198 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6199 (1 << bp->fp->cl_id), cam_offset , 0);
6200
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006201 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6202
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006203 if (CHIP_IS_E1(bp)) {
6204 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006205 static const u8 bcast[ETH_ALEN] = {
6206 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6207 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006208 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6209 }
6210}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006211
6212static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6213{
6214 return CHIP_REV_IS_SLOW(bp) ?
6215 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6216 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6217}
6218
6219/* set mc list, do not wait as wait implies sleep and
6220 * set_rx_mode can be invoked from non-sleepable context.
6221 *
6222 * Instead we use the same ramrod data buffer each time we need
6223 * to configure a list of addresses, and use the fact that the
6224 * list of MACs is changed in an incremental way and that the
6225 * function is called under the netif_addr_lock. A temporary
6226 * inconsistent CAM configuration (possible in case of a very fast
6227 * sequence of add/del/add on the host side) will shortly be
6228 * restored by the handler of the last ramrod.
6229 */
6230static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006231{
6232 int i = 0, old;
6233 struct net_device *dev = bp->dev;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006234 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006235 struct netdev_hw_addr *ha;
6236 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6237 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6238
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006239 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6240 return -EINVAL;
6241
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006242 netdev_for_each_mc_addr(ha, dev) {
6243 /* copy mac */
6244 config_cmd->config_table[i].msb_mac_addr =
6245 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6246 config_cmd->config_table[i].middle_mac_addr =
6247 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6248 config_cmd->config_table[i].lsb_mac_addr =
6249 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6250
6251 config_cmd->config_table[i].vlan_id = 0;
6252 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6253 config_cmd->config_table[i].clients_bit_vector =
6254 cpu_to_le32(1 << BP_L_ID(bp));
6255
6256 SET_FLAG(config_cmd->config_table[i].flags,
6257 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6258 T_ETH_MAC_COMMAND_SET);
6259
6260 DP(NETIF_MSG_IFUP,
6261 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6262 config_cmd->config_table[i].msb_mac_addr,
6263 config_cmd->config_table[i].middle_mac_addr,
6264 config_cmd->config_table[i].lsb_mac_addr);
6265 i++;
6266 }
6267 old = config_cmd->hdr.length;
6268 if (old > i) {
6269 for (; i < old; i++) {
6270 if (CAM_IS_INVALID(config_cmd->
6271 config_table[i])) {
6272 /* already invalidated */
6273 break;
6274 }
6275 /* invalidate */
6276 SET_FLAG(config_cmd->config_table[i].flags,
6277 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6278 T_ETH_MAC_COMMAND_INVALIDATE);
6279 }
6280 }
6281
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006282 wmb();
6283
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006284 config_cmd->hdr.length = i;
6285 config_cmd->hdr.offset = offset;
6286 config_cmd->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006287 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6288 * synchronization.
6289 */
6290 config_cmd->hdr.echo = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006291
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006292 mb();
Michael Chane665bfd2009-10-10 13:46:54 +00006293
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006294 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006295 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6296}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006297
6298void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006299{
6300 int i;
6301 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6302 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6303 int ramrod_flags = WAIT_RAMROD_COMMON;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006304 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006305
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006306 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006307 SET_FLAG(config_cmd->config_table[i].flags,
6308 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6309 T_ETH_MAC_COMMAND_INVALIDATE);
6310
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006311 wmb();
6312
6313 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6314 config_cmd->hdr.offset = offset;
6315 config_cmd->hdr.client_id = 0xff;
6316 /* We'll wait for a completion this time... */
6317 config_cmd->hdr.echo = 1;
6318
6319 bp->set_mac_pending = 1;
6320
6321 mb();
6322
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006323 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6324 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006325
6326 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006327 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6328 ramrod_flags);
6329
Michael Chane665bfd2009-10-10 13:46:54 +00006330}
6331
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006332/* Accept one or more multicasts */
6333static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6334{
6335 struct net_device *dev = bp->dev;
6336 struct netdev_hw_addr *ha;
6337 u32 mc_filter[MC_HASH_SIZE];
6338 u32 crc, bit, regidx;
6339 int i;
6340
6341 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6342
6343 netdev_for_each_mc_addr(ha, dev) {
6344 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6345 bnx2x_mc_addr(ha));
6346
6347 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6348 ETH_ALEN);
6349 bit = (crc >> 24) & 0xff;
6350 regidx = bit >> 5;
6351 bit &= 0x1f;
6352 mc_filter[regidx] |= (1 << bit);
6353 }
6354
6355 for (i = 0; i < MC_HASH_SIZE; i++)
6356 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6357 mc_filter[i]);
6358
6359 return 0;
6360}
6361
6362void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6363{
6364 int i;
6365
6366 for (i = 0; i < MC_HASH_SIZE; i++)
6367 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6368}
6369
Michael Chan993ac7b2009-10-10 13:46:56 +00006370#ifdef BCM_CNIC
6371/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006372 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
Michael Chan993ac7b2009-10-10 13:46:56 +00006373 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006374 * @bp: driver handle
6375 * @set: set or clear the CAM entry
Michael Chan993ac7b2009-10-10 13:46:56 +00006376 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006377 * This function will wait until the ramdord completion returns.
6378 * Return 0 if success, -ENODEV if ramrod doesn't return.
Michael Chan993ac7b2009-10-10 13:46:56 +00006379 */
stephen hemminger8d962862010-10-21 07:50:56 +00006380static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006381{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006382 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6383 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006384 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6385 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006386 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006387 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006388
6389 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006390 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006391 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006392
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006393 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006394
6395 return 0;
6396}
6397
6398/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006399 * bnx2x_set_fip_eth_mac_addr - set FCoE L2 MAC(s)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006400 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006401 * @bp: driver handle
6402 * @set: set or clear the CAM entry
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006403 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006404 * This function will wait until the ramrod completion returns.
6405 * Returns 0 if success, -ENODEV if ramrod doesn't return.
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006406 */
6407int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6408{
6409 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6410 /**
6411 * CAM allocation for E1H
6412 * eth unicasts: by func number
6413 * iscsi: by func number
6414 * fip unicast: by func number
6415 * fip multicast: by func number
6416 */
6417 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6418 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6419
6420 return 0;
6421}
6422
6423int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6424{
6425 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6426
6427 /**
6428 * CAM allocation for E1H
6429 * eth unicasts: by func number
6430 * iscsi: by func number
6431 * fip unicast: by func number
6432 * fip multicast: by func number
6433 */
6434 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6435 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6436
Michael Chan993ac7b2009-10-10 13:46:56 +00006437 return 0;
6438}
6439#endif
6440
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006441static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6442 struct bnx2x_client_init_params *params,
6443 u8 activate,
6444 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006445{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006446 /* Clear the buffer */
6447 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006448
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006449 /* general */
6450 data->general.client_id = params->rxq_params.cl_id;
6451 data->general.statistics_counter_id = params->rxq_params.stat_id;
6452 data->general.statistics_en_flg =
6453 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006454 data->general.is_fcoe_flg =
6455 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006456 data->general.activate_flg = activate;
6457 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006458
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006459 /* Rx data */
6460 data->rx.tpa_en_flg =
6461 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6462 data->rx.vmqueue_mode_en_flg = 0;
6463 data->rx.cache_line_alignment_log_size =
6464 params->rxq_params.cache_line_log;
6465 data->rx.enable_dynamic_hc =
6466 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6467 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6468 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6469 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6470
6471 /* We don't set drop flags */
6472 data->rx.drop_ip_cs_err_flg = 0;
6473 data->rx.drop_tcp_cs_err_flg = 0;
6474 data->rx.drop_ttl0_flg = 0;
6475 data->rx.drop_udp_cs_err_flg = 0;
6476
6477 data->rx.inner_vlan_removal_enable_flg =
6478 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6479 data->rx.outer_vlan_removal_enable_flg =
6480 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6481 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6482 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6483 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6484 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6485 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6486 data->rx.bd_page_base.lo =
6487 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6488 data->rx.bd_page_base.hi =
6489 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6490 data->rx.sge_page_base.lo =
6491 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6492 data->rx.sge_page_base.hi =
6493 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6494 data->rx.cqe_page_base.lo =
6495 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6496 data->rx.cqe_page_base.hi =
6497 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6498 data->rx.is_leading_rss =
6499 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6500 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6501
6502 /* Tx data */
6503 data->tx.enforce_security_flg = 0; /* VF specific */
6504 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6505 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6506 data->tx.mtu = 0; /* VF specific */
6507 data->tx.tx_bd_page_base.lo =
6508 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6509 data->tx.tx_bd_page_base.hi =
6510 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6511
6512 /* flow control data */
6513 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6514 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6515 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6516 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6517 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6518 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6519 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6520
6521 data->fc.safc_group_num = params->txq_params.cos;
6522 data->fc.safc_group_en_flg =
6523 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006524 data->fc.traffic_type =
6525 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6526 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006527}
6528
6529static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6530{
6531 /* ustorm cxt validation */
6532 cxt->ustorm_ag_context.cdu_usage =
6533 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6534 ETH_CONNECTION_TYPE);
6535 /* xcontext validation */
6536 cxt->xstorm_ag_context.cdu_reserved =
6537 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6538 ETH_CONNECTION_TYPE);
6539}
6540
stephen hemminger8d962862010-10-21 07:50:56 +00006541static int bnx2x_setup_fw_client(struct bnx2x *bp,
6542 struct bnx2x_client_init_params *params,
6543 u8 activate,
6544 struct client_init_ramrod_data *data,
6545 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006546{
6547 u16 hc_usec;
6548 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6549 int ramrod_flags = 0, rc;
6550
6551 /* HC and context validation values */
6552 hc_usec = params->txq_params.hc_rate ?
6553 1000000 / params->txq_params.hc_rate : 0;
6554 bnx2x_update_coalesce_sb_index(bp,
6555 params->txq_params.fw_sb_id,
6556 params->txq_params.sb_cq_index,
6557 !(params->txq_params.flags & QUEUE_FLG_HC),
6558 hc_usec);
6559
6560 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6561
6562 hc_usec = params->rxq_params.hc_rate ?
6563 1000000 / params->rxq_params.hc_rate : 0;
6564 bnx2x_update_coalesce_sb_index(bp,
6565 params->rxq_params.fw_sb_id,
6566 params->rxq_params.sb_cq_index,
6567 !(params->rxq_params.flags & QUEUE_FLG_HC),
6568 hc_usec);
6569
6570 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6571 params->rxq_params.cid);
6572
6573 /* zero stats */
6574 if (params->txq_params.flags & QUEUE_FLG_STATS)
6575 storm_memset_xstats_zero(bp, BP_PORT(bp),
6576 params->txq_params.stat_id);
6577
6578 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6579 storm_memset_ustats_zero(bp, BP_PORT(bp),
6580 params->rxq_params.stat_id);
6581 storm_memset_tstats_zero(bp, BP_PORT(bp),
6582 params->rxq_params.stat_id);
6583 }
6584
6585 /* Fill the ramrod data */
6586 bnx2x_fill_cl_init_data(bp, params, activate, data);
6587
6588 /* SETUP ramrod.
6589 *
6590 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6591 * barrier except from mmiowb() is needed to impose a
6592 * proper ordering of memory operations.
6593 */
6594 mmiowb();
6595
6596
6597 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6598 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006599
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006600 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006601 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6602 params->ramrod_params.index,
6603 params->ramrod_params.pstate,
6604 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006605 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006606}
6607
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006608/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006609 * bnx2x_set_int_mode - configure interrupt mode
6610 *
6611 * @bp: driver handle
6612 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006613 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006614 */
6615static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006616{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006617 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006618
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006619 switch (bp->int_mode) {
6620 case INT_MODE_MSI:
6621 bnx2x_enable_msi(bp);
6622 /* falling through... */
6623 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006624 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006625 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006626 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006627 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006628 /* Set number of queues according to bp->multi_mode value */
6629 bnx2x_set_num_queues(bp);
6630
6631 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6632 bp->num_queues);
6633
6634 /* if we can't use MSI-X we only need one fp,
6635 * so try to enable MSI-X with the requested number of fp's
6636 * and fallback to MSI or legacy INTx with one fp
6637 */
6638 rc = bnx2x_enable_msix(bp);
6639 if (rc) {
6640 /* failed to enable MSI-X */
6641 if (bp->multi_mode)
6642 DP(NETIF_MSG_IFUP,
6643 "Multi requested but failed to "
6644 "enable MSI-X (%d), "
6645 "set number of queues to %d\n",
6646 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006647 1 + NONE_ETH_CONTEXT_USE);
6648 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006649
6650 if (!(bp->flags & DISABLE_MSI_FLAG))
6651 bnx2x_enable_msi(bp);
6652 }
6653
Eilon Greensteinca003922009-08-12 22:53:28 -07006654 break;
6655 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006656
6657 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006658}
6659
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006660/* must be called prioir to any HW initializations */
6661static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6662{
6663 return L2_ILT_LINES(bp);
6664}
6665
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006666void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006667{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006668 struct ilt_client_info *ilt_client;
6669 struct bnx2x_ilt *ilt = BP_ILT(bp);
6670 u16 line = 0;
6671
6672 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6673 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6674
6675 /* CDU */
6676 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6677 ilt_client->client_num = ILT_CLIENT_CDU;
6678 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6679 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6680 ilt_client->start = line;
6681 line += L2_ILT_LINES(bp);
6682#ifdef BCM_CNIC
6683 line += CNIC_ILT_LINES;
6684#endif
6685 ilt_client->end = line - 1;
6686
6687 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6688 "flags 0x%x, hw psz %d\n",
6689 ilt_client->start,
6690 ilt_client->end,
6691 ilt_client->page_size,
6692 ilt_client->flags,
6693 ilog2(ilt_client->page_size >> 12));
6694
6695 /* QM */
6696 if (QM_INIT(bp->qm_cid_count)) {
6697 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6698 ilt_client->client_num = ILT_CLIENT_QM;
6699 ilt_client->page_size = QM_ILT_PAGE_SZ;
6700 ilt_client->flags = 0;
6701 ilt_client->start = line;
6702
6703 /* 4 bytes for each cid */
6704 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6705 QM_ILT_PAGE_SZ);
6706
6707 ilt_client->end = line - 1;
6708
6709 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6710 "flags 0x%x, hw psz %d\n",
6711 ilt_client->start,
6712 ilt_client->end,
6713 ilt_client->page_size,
6714 ilt_client->flags,
6715 ilog2(ilt_client->page_size >> 12));
6716
6717 }
6718 /* SRC */
6719 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6720#ifdef BCM_CNIC
6721 ilt_client->client_num = ILT_CLIENT_SRC;
6722 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6723 ilt_client->flags = 0;
6724 ilt_client->start = line;
6725 line += SRC_ILT_LINES;
6726 ilt_client->end = line - 1;
6727
6728 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6729 "flags 0x%x, hw psz %d\n",
6730 ilt_client->start,
6731 ilt_client->end,
6732 ilt_client->page_size,
6733 ilt_client->flags,
6734 ilog2(ilt_client->page_size >> 12));
6735
6736#else
6737 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6738#endif
6739
6740 /* TM */
6741 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6742#ifdef BCM_CNIC
6743 ilt_client->client_num = ILT_CLIENT_TM;
6744 ilt_client->page_size = TM_ILT_PAGE_SZ;
6745 ilt_client->flags = 0;
6746 ilt_client->start = line;
6747 line += TM_ILT_LINES;
6748 ilt_client->end = line - 1;
6749
6750 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6751 "flags 0x%x, hw psz %d\n",
6752 ilt_client->start,
6753 ilt_client->end,
6754 ilt_client->page_size,
6755 ilt_client->flags,
6756 ilog2(ilt_client->page_size >> 12));
6757
6758#else
6759 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6760#endif
6761}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006762
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006763int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6764 int is_leading)
6765{
6766 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006767 int rc;
6768
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006769 /* reset IGU state skip FCoE L2 queue */
6770 if (!IS_FCOE_FP(fp))
6771 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006772 IGU_INT_ENABLE, 0);
6773
6774 params.ramrod_params.pstate = &fp->state;
6775 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6776 params.ramrod_params.index = fp->index;
6777 params.ramrod_params.cid = fp->cid;
6778
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006779#ifdef BCM_CNIC
6780 if (IS_FCOE_FP(fp))
6781 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6782
6783#endif
6784
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006785 if (is_leading)
6786 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6787
6788 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6789
6790 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6791
6792 rc = bnx2x_setup_fw_client(bp, &params, 1,
6793 bnx2x_sp(bp, client_init_data),
6794 bnx2x_sp_mapping(bp, client_init_data));
6795 return rc;
6796}
6797
stephen hemminger8d962862010-10-21 07:50:56 +00006798static int bnx2x_stop_fw_client(struct bnx2x *bp,
6799 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006800{
6801 int rc;
6802
6803 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6804
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006805 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006806 *p->pstate = BNX2X_FP_STATE_HALTING;
6807 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6808 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006809
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006810 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006811 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6812 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006813 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006814 return rc;
6815
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006816 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6817 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6818 p->cl_id, 0);
6819 /* Wait for completion */
6820 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6821 p->pstate, poll_flag);
6822 if (rc) /* timeout */
6823 return rc;
6824
6825
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006826 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006827 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006828
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006829 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006830 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6831 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006832 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006833}
6834
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006835static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006836{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006837 struct bnx2x_client_ramrod_params client_stop = {0};
6838 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006839
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006840 client_stop.index = index;
6841 client_stop.cid = fp->cid;
6842 client_stop.cl_id = fp->cl_id;
6843 client_stop.pstate = &(fp->state);
6844 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006845
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006846 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006847}
6848
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006849
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006850static void bnx2x_reset_func(struct bnx2x *bp)
6851{
6852 int port = BP_PORT(bp);
6853 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006854 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006855 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006856 (CHIP_IS_E2(bp) ?
6857 offsetof(struct hc_status_block_data_e2, common) :
6858 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006859 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6860 int pfid_offset = offsetof(struct pci_entity, pf_id);
6861
6862 /* Disable the function in the FW */
6863 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6864 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6865 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6866 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6867
6868 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006869 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006870 struct bnx2x_fastpath *fp = &bp->fp[i];
6871 REG_WR8(bp,
6872 BAR_CSTRORM_INTMEM +
6873 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6874 + pfunc_offset_fp + pfid_offset,
6875 HC_FUNCTION_DISABLED);
6876 }
6877
6878 /* SP SB */
6879 REG_WR8(bp,
6880 BAR_CSTRORM_INTMEM +
6881 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6882 pfunc_offset_sp + pfid_offset,
6883 HC_FUNCTION_DISABLED);
6884
6885
6886 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6887 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6888 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006889
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006890 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006891 if (bp->common.int_block == INT_BLOCK_HC) {
6892 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6893 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6894 } else {
6895 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6896 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6897 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006898
Michael Chan37b091b2009-10-10 13:46:55 +00006899#ifdef BCM_CNIC
6900 /* Disable Timer scan */
6901 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6902 /*
6903 * Wait for at least 10ms and up to 2 second for the timers scan to
6904 * complete
6905 */
6906 for (i = 0; i < 200; i++) {
6907 msleep(10);
6908 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6909 break;
6910 }
6911#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006912 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006913 bnx2x_clear_func_ilt(bp, func);
6914
6915 /* Timers workaround bug for E2: if this is vnic-3,
6916 * we need to set the entire ilt range for this timers.
6917 */
6918 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6919 struct ilt_client_info ilt_cli;
6920 /* use dummy TM client */
6921 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6922 ilt_cli.start = 0;
6923 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6924 ilt_cli.client_num = ILT_CLIENT_TM;
6925
6926 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6927 }
6928
6929 /* this assumes that reset_port() called before reset_func()*/
6930 if (CHIP_IS_E2(bp))
6931 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006932
6933 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006934}
6935
6936static void bnx2x_reset_port(struct bnx2x *bp)
6937{
6938 int port = BP_PORT(bp);
6939 u32 val;
6940
6941 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6942
6943 /* Do not rcv packets to BRB */
6944 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6945 /* Do not direct rcv packets that are not for MCP to the BRB */
6946 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6947 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6948
6949 /* Configure AEU */
6950 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6951
6952 msleep(100);
6953 /* Check for BRB port occupancy */
6954 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6955 if (val)
6956 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006957 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006958
6959 /* TODO: Close Doorbell port? */
6960}
6961
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006962static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6963{
6964 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006965 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006966
6967 switch (reset_code) {
6968 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6969 bnx2x_reset_port(bp);
6970 bnx2x_reset_func(bp);
6971 bnx2x_reset_common(bp);
6972 break;
6973
6974 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6975 bnx2x_reset_port(bp);
6976 bnx2x_reset_func(bp);
6977 break;
6978
6979 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6980 bnx2x_reset_func(bp);
6981 break;
6982
6983 default:
6984 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6985 break;
6986 }
6987}
6988
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006989#ifdef BCM_CNIC
6990static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
6991{
6992 if (bp->flags & FCOE_MACS_SET) {
6993 if (!IS_MF_SD(bp))
6994 bnx2x_set_fip_eth_mac_addr(bp, 0);
6995
6996 bnx2x_set_all_enode_macs(bp, 0);
6997
6998 bp->flags &= ~FCOE_MACS_SET;
6999 }
7000}
7001#endif
7002
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007003void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007004{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007005 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007006 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007007 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007008
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007009 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007010 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007011 struct bnx2x_fastpath *fp = &bp->fp[i];
7012
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007013 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007014 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007015
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007016 if (!cnt) {
7017 BNX2X_ERR("timeout waiting for queue[%d]\n",
7018 i);
7019#ifdef BNX2X_STOP_ON_ERROR
7020 bnx2x_panic();
7021 return -EBUSY;
7022#else
7023 break;
7024#endif
7025 }
7026 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007027 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007028 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007029 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007030 /* Give HW time to discard old tx messages */
7031 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007032
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007033 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007034
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007035 bnx2x_invalidate_uc_list(bp);
7036
7037 if (CHIP_IS_E1(bp))
7038 bnx2x_invalidate_e1_mc_list(bp);
7039 else {
7040 bnx2x_invalidate_e1h_mc_list(bp);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007041 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007042 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007043
Michael Chan993ac7b2009-10-10 13:46:56 +00007044#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007045 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007046#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007047
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007048 if (unload_mode == UNLOAD_NORMAL)
7049 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007050
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007051 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007052 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007053
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007054 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007055 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007056 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007057 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007058 /* The mac address is written to entries 1-4 to
7059 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007060 u8 entry = (BP_E1HVN(bp) + 1)*8;
7061
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007062 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007063 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007064
7065 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7066 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007067 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007068
7069 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007070
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007071 } else
7072 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7073
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007074 /* Close multi and leading connections
7075 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007076 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007077
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007078 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007079#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007080 return;
7081#else
7082 goto unload_error;
7083#endif
7084
7085 rc = bnx2x_func_stop(bp);
7086 if (rc) {
7087 BNX2X_ERR("Function stop failed!\n");
7088#ifdef BNX2X_STOP_ON_ERROR
7089 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007090#else
7091 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007092#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007093 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007094#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007095unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007096#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007097 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007098 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007099 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007100 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7101 "%d, %d, %d\n", BP_PATH(bp),
7102 load_count[BP_PATH(bp)][0],
7103 load_count[BP_PATH(bp)][1],
7104 load_count[BP_PATH(bp)][2]);
7105 load_count[BP_PATH(bp)][0]--;
7106 load_count[BP_PATH(bp)][1 + port]--;
7107 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7108 "%d, %d, %d\n", BP_PATH(bp),
7109 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7110 load_count[BP_PATH(bp)][2]);
7111 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007112 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007113 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007114 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7115 else
7116 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7117 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007118
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007119 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7120 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7121 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007122
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007123 /* Disable HW interrupts, NAPI */
7124 bnx2x_netif_stop(bp, 1);
7125
7126 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007127 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007128
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007129 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007130 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007131
7132 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007133 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007134 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007135
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007136}
7137
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007138void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007139{
7140 u32 val;
7141
7142 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7143
7144 if (CHIP_IS_E1(bp)) {
7145 int port = BP_PORT(bp);
7146 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7147 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7148
7149 val = REG_RD(bp, addr);
7150 val &= ~(0x300);
7151 REG_WR(bp, addr, val);
7152 } else if (CHIP_IS_E1H(bp)) {
7153 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7154 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7155 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7156 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7157 }
7158}
7159
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007160/* Close gates #2, #3 and #4: */
7161static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7162{
7163 u32 val, addr;
7164
7165 /* Gates #2 and #4a are closed/opened for "not E1" only */
7166 if (!CHIP_IS_E1(bp)) {
7167 /* #4 */
7168 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7169 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7170 close ? (val | 0x1) : (val & (~(u32)1)));
7171 /* #2 */
7172 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7173 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7174 close ? (val | 0x1) : (val & (~(u32)1)));
7175 }
7176
7177 /* #3 */
7178 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7179 val = REG_RD(bp, addr);
7180 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7181
7182 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7183 close ? "closing" : "opening");
7184 mmiowb();
7185}
7186
7187#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7188
7189static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7190{
7191 /* Do some magic... */
7192 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7193 *magic_val = val & SHARED_MF_CLP_MAGIC;
7194 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7195}
7196
Dmitry Kravkove8920672011-05-04 23:52:40 +00007197/**
7198 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007199 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007200 * @bp: driver handle
7201 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007202 */
7203static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7204{
7205 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007206 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7207 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7208 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7209}
7210
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007211/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007212 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007213 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007214 * @bp: driver handle
7215 * @magic_val: old value of 'magic' bit.
7216 *
7217 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007218 */
7219static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7220{
7221 u32 shmem;
7222 u32 validity_offset;
7223
7224 DP(NETIF_MSG_HW, "Starting\n");
7225
7226 /* Set `magic' bit in order to save MF config */
7227 if (!CHIP_IS_E1(bp))
7228 bnx2x_clp_reset_prep(bp, magic_val);
7229
7230 /* Get shmem offset */
7231 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7232 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7233
7234 /* Clear validity map flags */
7235 if (shmem > 0)
7236 REG_WR(bp, shmem + validity_offset, 0);
7237}
7238
7239#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7240#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7241
Dmitry Kravkove8920672011-05-04 23:52:40 +00007242/**
7243 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007244 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007245 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007246 */
7247static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7248{
7249 /* special handling for emulation and FPGA,
7250 wait 10 times longer */
7251 if (CHIP_REV_IS_SLOW(bp))
7252 msleep(MCP_ONE_TIMEOUT*10);
7253 else
7254 msleep(MCP_ONE_TIMEOUT);
7255}
7256
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007257/*
7258 * initializes bp->common.shmem_base and waits for validity signature to appear
7259 */
7260static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007261{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007262 int cnt = 0;
7263 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007264
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007265 do {
7266 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7267 if (bp->common.shmem_base) {
7268 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7269 if (val & SHR_MEM_VALIDITY_MB)
7270 return 0;
7271 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007272
7273 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007274
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007275 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007276
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007277 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007278
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007279 return -ENODEV;
7280}
7281
7282static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7283{
7284 int rc = bnx2x_init_shmem(bp);
7285
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007286 /* Restore the `magic' bit value */
7287 if (!CHIP_IS_E1(bp))
7288 bnx2x_clp_reset_done(bp, magic_val);
7289
7290 return rc;
7291}
7292
7293static void bnx2x_pxp_prep(struct bnx2x *bp)
7294{
7295 if (!CHIP_IS_E1(bp)) {
7296 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7297 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7298 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7299 mmiowb();
7300 }
7301}
7302
7303/*
7304 * Reset the whole chip except for:
7305 * - PCIE core
7306 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7307 * one reset bit)
7308 * - IGU
7309 * - MISC (including AEU)
7310 * - GRC
7311 * - RBCN, RBCP
7312 */
7313static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7314{
7315 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7316
7317 not_reset_mask1 =
7318 MISC_REGISTERS_RESET_REG_1_RST_HC |
7319 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7320 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7321
7322 not_reset_mask2 =
7323 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7324 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7325 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7326 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7327 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7328 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7329 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7330 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7331
7332 reset_mask1 = 0xffffffff;
7333
7334 if (CHIP_IS_E1(bp))
7335 reset_mask2 = 0xffff;
7336 else
7337 reset_mask2 = 0x1ffff;
7338
7339 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7340 reset_mask1 & (~not_reset_mask1));
7341 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7342 reset_mask2 & (~not_reset_mask2));
7343
7344 barrier();
7345 mmiowb();
7346
7347 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7348 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7349 mmiowb();
7350}
7351
7352static int bnx2x_process_kill(struct bnx2x *bp)
7353{
7354 int cnt = 1000;
7355 u32 val = 0;
7356 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7357
7358
7359 /* Empty the Tetris buffer, wait for 1s */
7360 do {
7361 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7362 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7363 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7364 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7365 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7366 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7367 ((port_is_idle_0 & 0x1) == 0x1) &&
7368 ((port_is_idle_1 & 0x1) == 0x1) &&
7369 (pgl_exp_rom2 == 0xffffffff))
7370 break;
7371 msleep(1);
7372 } while (cnt-- > 0);
7373
7374 if (cnt <= 0) {
7375 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7376 " are still"
7377 " outstanding read requests after 1s!\n");
7378 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7379 " port_is_idle_0=0x%08x,"
7380 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7381 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7382 pgl_exp_rom2);
7383 return -EAGAIN;
7384 }
7385
7386 barrier();
7387
7388 /* Close gates #2, #3 and #4 */
7389 bnx2x_set_234_gates(bp, true);
7390
7391 /* TBD: Indicate that "process kill" is in progress to MCP */
7392
7393 /* Clear "unprepared" bit */
7394 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7395 barrier();
7396
7397 /* Make sure all is written to the chip before the reset */
7398 mmiowb();
7399
7400 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7401 * PSWHST, GRC and PSWRD Tetris buffer.
7402 */
7403 msleep(1);
7404
7405 /* Prepare to chip reset: */
7406 /* MCP */
7407 bnx2x_reset_mcp_prep(bp, &val);
7408
7409 /* PXP */
7410 bnx2x_pxp_prep(bp);
7411 barrier();
7412
7413 /* reset the chip */
7414 bnx2x_process_kill_chip_reset(bp);
7415 barrier();
7416
7417 /* Recover after reset: */
7418 /* MCP */
7419 if (bnx2x_reset_mcp_comp(bp, val))
7420 return -EAGAIN;
7421
7422 /* PXP */
7423 bnx2x_pxp_prep(bp);
7424
7425 /* Open the gates #2, #3 and #4 */
7426 bnx2x_set_234_gates(bp, false);
7427
7428 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7429 * reset state, re-enable attentions. */
7430
7431 return 0;
7432}
7433
7434static int bnx2x_leader_reset(struct bnx2x *bp)
7435{
7436 int rc = 0;
7437 /* Try to recover after the failure */
7438 if (bnx2x_process_kill(bp)) {
7439 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7440 bp->dev->name);
7441 rc = -EAGAIN;
7442 goto exit_leader_reset;
7443 }
7444
7445 /* Clear "reset is in progress" bit and update the driver state */
7446 bnx2x_set_reset_done(bp);
7447 bp->recovery_state = BNX2X_RECOVERY_DONE;
7448
7449exit_leader_reset:
7450 bp->is_leader = 0;
7451 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7452 smp_wmb();
7453 return rc;
7454}
7455
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007456/* Assumption: runs under rtnl lock. This together with the fact
7457 * that it's called only from bnx2x_reset_task() ensure that it
7458 * will never be called when netif_running(bp->dev) is false.
7459 */
7460static void bnx2x_parity_recover(struct bnx2x *bp)
7461{
7462 DP(NETIF_MSG_HW, "Handling parity\n");
7463 while (1) {
7464 switch (bp->recovery_state) {
7465 case BNX2X_RECOVERY_INIT:
7466 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7467 /* Try to get a LEADER_LOCK HW lock */
7468 if (bnx2x_trylock_hw_lock(bp,
7469 HW_LOCK_RESOURCE_RESERVED_08))
7470 bp->is_leader = 1;
7471
7472 /* Stop the driver */
7473 /* If interface has been removed - break */
7474 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7475 return;
7476
7477 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7478 /* Ensure "is_leader" and "recovery_state"
7479 * update values are seen on other CPUs
7480 */
7481 smp_wmb();
7482 break;
7483
7484 case BNX2X_RECOVERY_WAIT:
7485 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7486 if (bp->is_leader) {
7487 u32 load_counter = bnx2x_get_load_cnt(bp);
7488 if (load_counter) {
7489 /* Wait until all other functions get
7490 * down.
7491 */
7492 schedule_delayed_work(&bp->reset_task,
7493 HZ/10);
7494 return;
7495 } else {
7496 /* If all other functions got down -
7497 * try to bring the chip back to
7498 * normal. In any case it's an exit
7499 * point for a leader.
7500 */
7501 if (bnx2x_leader_reset(bp) ||
7502 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7503 printk(KERN_ERR"%s: Recovery "
7504 "has failed. Power cycle is "
7505 "needed.\n", bp->dev->name);
7506 /* Disconnect this device */
7507 netif_device_detach(bp->dev);
7508 /* Block ifup for all function
7509 * of this ASIC until
7510 * "process kill" or power
7511 * cycle.
7512 */
7513 bnx2x_set_reset_in_progress(bp);
7514 /* Shut down the power */
7515 bnx2x_set_power_state(bp,
7516 PCI_D3hot);
7517 return;
7518 }
7519
7520 return;
7521 }
7522 } else { /* non-leader */
7523 if (!bnx2x_reset_is_done(bp)) {
7524 /* Try to get a LEADER_LOCK HW lock as
7525 * long as a former leader may have
7526 * been unloaded by the user or
7527 * released a leadership by another
7528 * reason.
7529 */
7530 if (bnx2x_trylock_hw_lock(bp,
7531 HW_LOCK_RESOURCE_RESERVED_08)) {
7532 /* I'm a leader now! Restart a
7533 * switch case.
7534 */
7535 bp->is_leader = 1;
7536 break;
7537 }
7538
7539 schedule_delayed_work(&bp->reset_task,
7540 HZ/10);
7541 return;
7542
7543 } else { /* A leader has completed
7544 * the "process kill". It's an exit
7545 * point for a non-leader.
7546 */
7547 bnx2x_nic_load(bp, LOAD_NORMAL);
7548 bp->recovery_state =
7549 BNX2X_RECOVERY_DONE;
7550 smp_wmb();
7551 return;
7552 }
7553 }
7554 default:
7555 return;
7556 }
7557 }
7558}
7559
7560/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7561 * scheduled on a general queue in order to prevent a dead lock.
7562 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007563static void bnx2x_reset_task(struct work_struct *work)
7564{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007565 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007566
7567#ifdef BNX2X_STOP_ON_ERROR
7568 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7569 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007570 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007571 return;
7572#endif
7573
7574 rtnl_lock();
7575
7576 if (!netif_running(bp->dev))
7577 goto reset_task_exit;
7578
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007579 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7580 bnx2x_parity_recover(bp);
7581 else {
7582 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7583 bnx2x_nic_load(bp, LOAD_NORMAL);
7584 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007585
7586reset_task_exit:
7587 rtnl_unlock();
7588}
7589
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007590/* end of nic load/unload */
7591
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007592/*
7593 * Init service functions
7594 */
7595
stephen hemminger8d962862010-10-21 07:50:56 +00007596static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007597{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007598 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7599 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7600 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007601}
7602
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007603static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007604{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007605 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007606
7607 /* Flush all outstanding writes */
7608 mmiowb();
7609
7610 /* Pretend to be function 0 */
7611 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007612 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007613
7614 /* From now we are in the "like-E1" mode */
7615 bnx2x_int_disable(bp);
7616
7617 /* Flush all outstanding writes */
7618 mmiowb();
7619
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007620 /* Restore the original function */
7621 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7622 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007623}
7624
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007625static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007626{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007627 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007628 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007629 else
7630 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007631}
7632
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007633static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007634{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007635 u32 val;
7636
7637 /* Check if there is any driver already loaded */
7638 val = REG_RD(bp, MISC_REG_UNPREPARED);
7639 if (val == 0x1) {
7640 /* Check if it is the UNDI driver
7641 * UNDI driver initializes CID offset for normal bell to 0x7
7642 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007643 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007644 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7645 if (val == 0x7) {
7646 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007647 /* save our pf_num */
7648 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007649 u32 swap_en;
7650 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007651
Eilon Greensteinb4661732009-01-14 06:43:56 +00007652 /* clear the UNDI indication */
7653 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7654
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007655 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7656
7657 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007658 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007659 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007660 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007661 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007662 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007663
7664 /* if UNDI is loaded on the other port */
7665 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7666
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007667 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007668 bnx2x_fw_command(bp,
7669 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007670
7671 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007672 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007673 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007674 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007675 DRV_MSG_SEQ_NUMBER_MASK);
7676 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007677
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007678 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007679 }
7680
Eilon Greensteinb4661732009-01-14 06:43:56 +00007681 /* now it's safe to release the lock */
7682 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7683
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007684 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007685
7686 /* close input traffic and wait for it */
7687 /* Do not rcv packets to BRB */
7688 REG_WR(bp,
7689 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7690 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7691 /* Do not direct rcv packets that are not for MCP to
7692 * the BRB */
7693 REG_WR(bp,
7694 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7695 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7696 /* clear AEU */
7697 REG_WR(bp,
7698 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7699 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7700 msleep(10);
7701
7702 /* save NIG port swap info */
7703 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7704 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007705 /* reset device */
7706 REG_WR(bp,
7707 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007708 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007709 REG_WR(bp,
7710 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7711 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007712 /* take the NIG out of reset and restore swap values */
7713 REG_WR(bp,
7714 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7715 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7716 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7717 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7718
7719 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007720 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007721
7722 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007723 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007724 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007725 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007726 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007727 } else
7728 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007729 }
7730}
7731
7732static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7733{
7734 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007735 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007736
7737 /* Get the chip revision id and number. */
7738 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7739 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7740 id = ((val & 0xffff) << 16);
7741 val = REG_RD(bp, MISC_REG_CHIP_REV);
7742 id |= ((val & 0xf) << 12);
7743 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7744 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007745 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007746 id |= (val & 0xf);
7747 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007748
7749 /* Set doorbell size */
7750 bp->db_size = (1 << BNX2X_DB_SHIFT);
7751
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007752 if (CHIP_IS_E2(bp)) {
7753 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7754 if ((val & 1) == 0)
7755 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7756 else
7757 val = (val >> 1) & 1;
7758 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7759 "2_PORT_MODE");
7760 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7761 CHIP_2_PORT_MODE;
7762
7763 if (CHIP_MODE_IS_4_PORT(bp))
7764 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7765 else
7766 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7767 } else {
7768 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7769 bp->pfid = bp->pf_num; /* 0..7 */
7770 }
7771
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007772 /*
7773 * set base FW non-default (fast path) status block id, this value is
7774 * used to initialize the fw_sb_id saved on the fp/queue structure to
7775 * determine the id used by the FW.
7776 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007777 if (CHIP_IS_E1x(bp))
7778 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7779 else /* E2 */
7780 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7781
7782 bp->link_params.chip_id = bp->common.chip_id;
7783 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007784
Eilon Greenstein1c063282009-02-12 08:36:43 +00007785 val = (REG_RD(bp, 0x2874) & 0x55);
7786 if ((bp->common.chip_id & 0x1) ||
7787 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7788 bp->flags |= ONE_PORT_FLAG;
7789 BNX2X_DEV_INFO("single port device\n");
7790 }
7791
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007792 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7793 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7794 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7795 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7796 bp->common.flash_size, bp->common.flash_size);
7797
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007798 bnx2x_init_shmem(bp);
7799
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007800 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7801 MISC_REG_GENERIC_CR_1 :
7802 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007803
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007804 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007805 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007806 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7807 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007808
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007809 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007810 BNX2X_DEV_INFO("MCP not active\n");
7811 bp->flags |= NO_MCP_FLAG;
7812 return;
7813 }
7814
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007815 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007816 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007817
7818 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7819 SHARED_HW_CFG_LED_MODE_MASK) >>
7820 SHARED_HW_CFG_LED_MODE_SHIFT);
7821
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007822 bp->link_params.feature_config_flags = 0;
7823 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7824 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7825 bp->link_params.feature_config_flags |=
7826 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7827 else
7828 bp->link_params.feature_config_flags &=
7829 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7830
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007831 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7832 bp->common.bc_ver = val;
7833 BNX2X_DEV_INFO("bc_ver %X\n", val);
7834 if (val < BNX2X_BC_VER) {
7835 /* for now only warn
7836 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007837 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7838 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007839 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007840 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007841 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007842 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7843
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007844 bp->link_params.feature_config_flags |=
7845 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7846 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007847
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00007848 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7849 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7850
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007851 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007852 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007853
7854 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7855 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7856 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7857 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7858
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007859 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7860 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007861}
7862
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007863#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7864#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7865
7866static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7867{
7868 int pfid = BP_FUNC(bp);
7869 int vn = BP_E1HVN(bp);
7870 int igu_sb_id;
7871 u32 val;
7872 u8 fid;
7873
7874 bp->igu_base_sb = 0xff;
7875 bp->igu_sb_cnt = 0;
7876 if (CHIP_INT_MODE_IS_BC(bp)) {
7877 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007878 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007879
7880 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7881 FP_SB_MAX_E1x;
7882
7883 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7884 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7885
7886 return;
7887 }
7888
7889 /* IGU in normal mode - read CAM */
7890 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7891 igu_sb_id++) {
7892 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7893 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7894 continue;
7895 fid = IGU_FID(val);
7896 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7897 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7898 continue;
7899 if (IGU_VEC(val) == 0)
7900 /* default status block */
7901 bp->igu_dsb_id = igu_sb_id;
7902 else {
7903 if (bp->igu_base_sb == 0xff)
7904 bp->igu_base_sb = igu_sb_id;
7905 bp->igu_sb_cnt++;
7906 }
7907 }
7908 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007909 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
7910 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007911 if (bp->igu_sb_cnt == 0)
7912 BNX2X_ERR("CAM configuration error\n");
7913}
7914
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007915static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7916 u32 switch_cfg)
7917{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007918 int cfg_size = 0, idx, port = BP_PORT(bp);
7919
7920 /* Aggregation of supported attributes of all external phys */
7921 bp->port.supported[0] = 0;
7922 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007923 switch (bp->link_params.num_phys) {
7924 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007925 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
7926 cfg_size = 1;
7927 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007928 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007929 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
7930 cfg_size = 1;
7931 break;
7932 case 3:
7933 if (bp->link_params.multi_phy_config &
7934 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
7935 bp->port.supported[1] =
7936 bp->link_params.phy[EXT_PHY1].supported;
7937 bp->port.supported[0] =
7938 bp->link_params.phy[EXT_PHY2].supported;
7939 } else {
7940 bp->port.supported[0] =
7941 bp->link_params.phy[EXT_PHY1].supported;
7942 bp->port.supported[1] =
7943 bp->link_params.phy[EXT_PHY2].supported;
7944 }
7945 cfg_size = 2;
7946 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007947 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007948
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007949 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007950 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007951 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007952 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007953 dev_info.port_hw_config[port].external_phy_config),
7954 SHMEM_RD(bp,
7955 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007956 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007957 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007958
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007959 switch (switch_cfg) {
7960 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007961 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7962 port*0x10);
7963 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007964 break;
7965
7966 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007967 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7968 port*0x18);
7969 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007970 break;
7971
7972 default:
7973 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007974 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007975 return;
7976 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007977 /* mask what we support according to speed_cap_mask per configuration */
7978 for (idx = 0; idx < cfg_size; idx++) {
7979 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007980 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007981 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007982
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007983 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007984 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007985 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007986
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007987 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007988 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007989 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007990
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007991 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007992 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007993 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007994
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007995 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007996 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007997 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007998 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007999
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008000 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008001 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008002 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008003
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008004 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008005 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008006 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008007
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008008 }
8009
8010 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8011 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008012}
8013
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008014static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008015{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008016 u32 link_config, idx, cfg_size = 0;
8017 bp->port.advertising[0] = 0;
8018 bp->port.advertising[1] = 0;
8019 switch (bp->link_params.num_phys) {
8020 case 1:
8021 case 2:
8022 cfg_size = 1;
8023 break;
8024 case 3:
8025 cfg_size = 2;
8026 break;
8027 }
8028 for (idx = 0; idx < cfg_size; idx++) {
8029 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8030 link_config = bp->port.link_config[idx];
8031 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008032 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008033 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8034 bp->link_params.req_line_speed[idx] =
8035 SPEED_AUTO_NEG;
8036 bp->port.advertising[idx] |=
8037 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008038 } else {
8039 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008040 bp->link_params.req_line_speed[idx] =
8041 SPEED_10000;
8042 bp->port.advertising[idx] |=
8043 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008044 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008045 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008046 }
8047 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008048
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008049 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008050 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8051 bp->link_params.req_line_speed[idx] =
8052 SPEED_10;
8053 bp->port.advertising[idx] |=
8054 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008055 ADVERTISED_TP);
8056 } else {
8057 BNX2X_ERROR("NVRAM config error. "
8058 "Invalid link_config 0x%x"
8059 " speed_cap_mask 0x%x\n",
8060 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008061 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008062 return;
8063 }
8064 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008065
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008066 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008067 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8068 bp->link_params.req_line_speed[idx] =
8069 SPEED_10;
8070 bp->link_params.req_duplex[idx] =
8071 DUPLEX_HALF;
8072 bp->port.advertising[idx] |=
8073 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008074 ADVERTISED_TP);
8075 } else {
8076 BNX2X_ERROR("NVRAM config error. "
8077 "Invalid link_config 0x%x"
8078 " speed_cap_mask 0x%x\n",
8079 link_config,
8080 bp->link_params.speed_cap_mask[idx]);
8081 return;
8082 }
8083 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008084
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008085 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8086 if (bp->port.supported[idx] &
8087 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008088 bp->link_params.req_line_speed[idx] =
8089 SPEED_100;
8090 bp->port.advertising[idx] |=
8091 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008092 ADVERTISED_TP);
8093 } else {
8094 BNX2X_ERROR("NVRAM config error. "
8095 "Invalid link_config 0x%x"
8096 " speed_cap_mask 0x%x\n",
8097 link_config,
8098 bp->link_params.speed_cap_mask[idx]);
8099 return;
8100 }
8101 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008102
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008103 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8104 if (bp->port.supported[idx] &
8105 SUPPORTED_100baseT_Half) {
8106 bp->link_params.req_line_speed[idx] =
8107 SPEED_100;
8108 bp->link_params.req_duplex[idx] =
8109 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008110 bp->port.advertising[idx] |=
8111 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008112 ADVERTISED_TP);
8113 } else {
8114 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008115 "Invalid link_config 0x%x"
8116 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008117 link_config,
8118 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008119 return;
8120 }
8121 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008122
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008123 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008124 if (bp->port.supported[idx] &
8125 SUPPORTED_1000baseT_Full) {
8126 bp->link_params.req_line_speed[idx] =
8127 SPEED_1000;
8128 bp->port.advertising[idx] |=
8129 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008130 ADVERTISED_TP);
8131 } else {
8132 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008133 "Invalid link_config 0x%x"
8134 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008135 link_config,
8136 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008137 return;
8138 }
8139 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008140
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008141 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008142 if (bp->port.supported[idx] &
8143 SUPPORTED_2500baseX_Full) {
8144 bp->link_params.req_line_speed[idx] =
8145 SPEED_2500;
8146 bp->port.advertising[idx] |=
8147 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008148 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008149 } else {
8150 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008151 "Invalid link_config 0x%x"
8152 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008153 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008154 bp->link_params.speed_cap_mask[idx]);
8155 return;
8156 }
8157 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008158
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008159 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8160 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8161 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008162 if (bp->port.supported[idx] &
8163 SUPPORTED_10000baseT_Full) {
8164 bp->link_params.req_line_speed[idx] =
8165 SPEED_10000;
8166 bp->port.advertising[idx] |=
8167 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008168 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008169 } else {
8170 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008171 "Invalid link_config 0x%x"
8172 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008173 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008174 bp->link_params.speed_cap_mask[idx]);
8175 return;
8176 }
8177 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008178
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008179 default:
8180 BNX2X_ERROR("NVRAM config error. "
8181 "BAD link speed link_config 0x%x\n",
8182 link_config);
8183 bp->link_params.req_line_speed[idx] =
8184 SPEED_AUTO_NEG;
8185 bp->port.advertising[idx] =
8186 bp->port.supported[idx];
8187 break;
8188 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008189
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008190 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008191 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008192 if ((bp->link_params.req_flow_ctrl[idx] ==
8193 BNX2X_FLOW_CTRL_AUTO) &&
8194 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8195 bp->link_params.req_flow_ctrl[idx] =
8196 BNX2X_FLOW_CTRL_NONE;
8197 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008198
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008199 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8200 " 0x%x advertising 0x%x\n",
8201 bp->link_params.req_line_speed[idx],
8202 bp->link_params.req_duplex[idx],
8203 bp->link_params.req_flow_ctrl[idx],
8204 bp->port.advertising[idx]);
8205 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008206}
8207
Michael Chane665bfd2009-10-10 13:46:54 +00008208static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8209{
8210 mac_hi = cpu_to_be16(mac_hi);
8211 mac_lo = cpu_to_be32(mac_lo);
8212 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8213 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8214}
8215
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008216static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008217{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008218 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008219 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008220 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008221
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008222 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008223 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008224
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008225 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008226 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008227
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008228 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008229 SHMEM_RD(bp,
8230 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008231 bp->link_params.speed_cap_mask[1] =
8232 SHMEM_RD(bp,
8233 dev_info.port_hw_config[port].speed_capability_mask2);
8234 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008235 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8236
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008237 bp->port.link_config[1] =
8238 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008239
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008240 bp->link_params.multi_phy_config =
8241 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008242 /* If the device is capable of WoL, set the default state according
8243 * to the HW
8244 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008245 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008246 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8247 (config & PORT_FEATURE_WOL_ENABLED));
8248
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008249 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008250 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008251 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008252 bp->link_params.speed_cap_mask[0],
8253 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008254
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008255 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008256 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008257 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008258 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008259
8260 bnx2x_link_settings_requested(bp);
8261
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008262 /*
8263 * If connected directly, work with the internal PHY, otherwise, work
8264 * with the external PHY
8265 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008266 ext_phy_config =
8267 SHMEM_RD(bp,
8268 dev_info.port_hw_config[port].external_phy_config);
8269 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008270 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008271 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008272
8273 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8274 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8275 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008276 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008277
8278 /*
8279 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8280 * In MF mode, it is set to cover self test cases
8281 */
8282 if (IS_MF(bp))
8283 bp->port.need_hw_lock = 1;
8284 else
8285 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8286 bp->common.shmem_base,
8287 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008288}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008289
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008290#ifdef BCM_CNIC
8291static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8292{
8293 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8294 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8295 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8296 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8297
8298 /* Get the number of maximum allowed iSCSI and FCoE connections */
8299 bp->cnic_eth_dev.max_iscsi_conn =
8300 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8301 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8302
8303 bp->cnic_eth_dev.max_fcoe_conn =
8304 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8305 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8306
8307 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8308 bp->cnic_eth_dev.max_iscsi_conn,
8309 bp->cnic_eth_dev.max_fcoe_conn);
8310
8311 /* If mamimum allowed number of connections is zero -
8312 * disable the feature.
8313 */
8314 if (!bp->cnic_eth_dev.max_iscsi_conn)
8315 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8316
8317 if (!bp->cnic_eth_dev.max_fcoe_conn)
8318 bp->flags |= NO_FCOE_FLAG;
8319}
8320#endif
8321
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008322static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8323{
8324 u32 val, val2;
8325 int func = BP_ABS_FUNC(bp);
8326 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008327#ifdef BCM_CNIC
8328 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8329 u8 *fip_mac = bp->fip_mac;
8330#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008331
8332 if (BP_NOMCP(bp)) {
8333 BNX2X_ERROR("warning: random MAC workaround active\n");
8334 random_ether_addr(bp->dev->dev_addr);
8335 } else if (IS_MF(bp)) {
8336 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8337 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8338 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8339 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8340 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8341
8342#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008343 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8344 * FCoE MAC then the appropriate feature should be disabled.
8345 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008346 if (IS_MF_SI(bp)) {
8347 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8348 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8349 val2 = MF_CFG_RD(bp, func_ext_config[func].
8350 iscsi_mac_addr_upper);
8351 val = MF_CFG_RD(bp, func_ext_config[func].
8352 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008353 BNX2X_DEV_INFO("Read iSCSI MAC: "
8354 "0x%x:0x%04x\n", val2, val);
8355 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008356 } else
8357 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8358
8359 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8360 val2 = MF_CFG_RD(bp, func_ext_config[func].
8361 fcoe_mac_addr_upper);
8362 val = MF_CFG_RD(bp, func_ext_config[func].
8363 fcoe_mac_addr_lower);
8364 BNX2X_DEV_INFO("Read FCoE MAC to "
8365 "0x%x:0x%04x\n", val2, val);
8366 bnx2x_set_mac_buf(fip_mac, val, val2);
8367
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008368 } else
8369 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008370 }
8371#endif
8372 } else {
8373 /* in SF read MACs from port configuration */
8374 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8375 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8376 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8377
8378#ifdef BCM_CNIC
8379 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8380 iscsi_mac_upper);
8381 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8382 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008383 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008384#endif
8385 }
8386
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008387 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8388 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008389
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008390#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008391 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008392 if (!CHIP_IS_E1x(bp)) {
8393 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008394 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8395 else if (!IS_MF(bp))
8396 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008397 }
Dmitry Kravkov426b9242011-05-04 23:49:53 +00008398
8399 /* Disable iSCSI if MAC configuration is
8400 * invalid.
8401 */
8402 if (!is_valid_ether_addr(iscsi_mac)) {
8403 bp->flags |= NO_ISCSI_FLAG;
8404 memset(iscsi_mac, 0, ETH_ALEN);
8405 }
8406
8407 /* Disable FCoE if MAC configuration is
8408 * invalid.
8409 */
8410 if (!is_valid_ether_addr(fip_mac)) {
8411 bp->flags |= NO_FCOE_FLAG;
8412 memset(bp->fip_mac, 0, ETH_ALEN);
8413 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008414#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008415}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008416
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008417static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8418{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008419 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07008420 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008421 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008422 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008423
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008424 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008425
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008426 if (CHIP_IS_E1x(bp)) {
8427 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008428
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008429 bp->igu_dsb_id = DEF_SB_IGU_ID;
8430 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008431 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8432 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008433 } else {
8434 bp->common.int_block = INT_BLOCK_IGU;
8435 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8436 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8437 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8438 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8439 } else
8440 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8441
8442 bnx2x_get_igu_cam_info(bp);
8443
8444 }
8445 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8446 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8447
8448 /*
8449 * Initialize MF configuration
8450 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008451
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008452 bp->mf_ov = 0;
8453 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008454 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008455
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008456 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008457 DP(NETIF_MSG_PROBE,
8458 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8459 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8460 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008461 if (SHMEM2_HAS(bp, mf_cfg_addr))
8462 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8463 else
8464 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008465 offsetof(struct shmem_region, func_mb) +
8466 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008467 /*
8468 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008469 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008470 * 2. MAC address must be legal (check only upper bytes)
8471 * for Switch-Independent mode;
8472 * OVLAN must be legal for Switch-Dependent mode
8473 * 3. SF_MODE configures specific MF mode
8474 */
8475 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8476 /* get mf configuration */
8477 val = SHMEM_RD(bp,
8478 dev_info.shared_feature_config.config);
8479 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008480
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008481 switch (val) {
8482 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8483 val = MF_CFG_RD(bp, func_mf_config[func].
8484 mac_upper);
8485 /* check for legal mac (upper bytes)*/
8486 if (val != 0xffff) {
8487 bp->mf_mode = MULTI_FUNCTION_SI;
8488 bp->mf_config[vn] = MF_CFG_RD(bp,
8489 func_mf_config[func].config);
8490 } else
8491 DP(NETIF_MSG_PROBE, "illegal MAC "
8492 "address for SI\n");
8493 break;
8494 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8495 /* get OV configuration */
8496 val = MF_CFG_RD(bp,
8497 func_mf_config[FUNC_0].e1hov_tag);
8498 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8499
8500 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8501 bp->mf_mode = MULTI_FUNCTION_SD;
8502 bp->mf_config[vn] = MF_CFG_RD(bp,
8503 func_mf_config[func].config);
8504 } else
8505 DP(NETIF_MSG_PROBE, "illegal OV for "
8506 "SD\n");
8507 break;
8508 default:
8509 /* Unknown configuration: reset mf_config */
8510 bp->mf_config[vn] = 0;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008511 DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008512 val);
8513 }
8514 }
8515
Eilon Greenstein2691d512009-08-12 08:22:08 +00008516 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008517 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008518
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008519 switch (bp->mf_mode) {
8520 case MULTI_FUNCTION_SD:
8521 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8522 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008523 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008524 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008525 BNX2X_DEV_INFO("MF OV for func %d is %d"
8526 " (0x%04x)\n", func,
8527 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008528 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008529 BNX2X_ERR("No valid MF OV for func %d,"
8530 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008531 rc = -EPERM;
8532 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008533 break;
8534 case MULTI_FUNCTION_SI:
8535 BNX2X_DEV_INFO("func %d is in MF "
8536 "switch-independent mode\n", func);
8537 break;
8538 default:
8539 if (vn) {
8540 BNX2X_ERR("VN %d in single function mode,"
8541 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008542 rc = -EPERM;
8543 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008544 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008545 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008546
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008547 }
8548
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008549 /* adjust igu_sb_cnt to MF for E1x */
8550 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008551 bp->igu_sb_cnt /= E1HVN_MAX;
8552
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008553 /*
8554 * adjust E2 sb count: to be removed when FW will support
8555 * more then 16 L2 clients
8556 */
8557#define MAX_L2_CLIENTS 16
8558 if (CHIP_IS_E2(bp))
8559 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8560 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8561
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008562 if (!BP_NOMCP(bp)) {
8563 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008564
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008565 bp->fw_seq =
8566 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8567 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008568 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8569 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008570
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008571 /* Get MAC addresses */
8572 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008573
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008574#ifdef BCM_CNIC
8575 bnx2x_get_cnic_info(bp);
8576#endif
8577
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008578 return rc;
8579}
8580
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008581static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8582{
8583 int cnt, i, block_end, rodi;
8584 char vpd_data[BNX2X_VPD_LEN+1];
8585 char str_id_reg[VENDOR_ID_LEN+1];
8586 char str_id_cap[VENDOR_ID_LEN+1];
8587 u8 len;
8588
8589 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8590 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8591
8592 if (cnt < BNX2X_VPD_LEN)
8593 goto out_not_found;
8594
8595 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8596 PCI_VPD_LRDT_RO_DATA);
8597 if (i < 0)
8598 goto out_not_found;
8599
8600
8601 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8602 pci_vpd_lrdt_size(&vpd_data[i]);
8603
8604 i += PCI_VPD_LRDT_TAG_SIZE;
8605
8606 if (block_end > BNX2X_VPD_LEN)
8607 goto out_not_found;
8608
8609 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8610 PCI_VPD_RO_KEYWORD_MFR_ID);
8611 if (rodi < 0)
8612 goto out_not_found;
8613
8614 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8615
8616 if (len != VENDOR_ID_LEN)
8617 goto out_not_found;
8618
8619 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8620
8621 /* vendor specific info */
8622 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8623 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8624 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8625 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8626
8627 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8628 PCI_VPD_RO_KEYWORD_VENDOR0);
8629 if (rodi >= 0) {
8630 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8631
8632 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8633
8634 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8635 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8636 bp->fw_ver[len] = ' ';
8637 }
8638 }
8639 return;
8640 }
8641out_not_found:
8642 return;
8643}
8644
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008645static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8646{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008647 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008648 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008649 int rc;
8650
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008651 /* Disable interrupt handling until HW is initialized */
8652 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008653 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008654
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008655 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008656 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008657 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008658#ifdef BCM_CNIC
8659 mutex_init(&bp->cnic_mutex);
8660#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008661
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008662 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008663 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008664
8665 rc = bnx2x_get_hwinfo(bp);
8666
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008667 if (!rc)
8668 rc = bnx2x_alloc_mem_bp(bp);
8669
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008670 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008671
8672 func = BP_FUNC(bp);
8673
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008674 /* need to reset chip if undi was active */
8675 if (!BP_NOMCP(bp))
8676 bnx2x_undi_unload(bp);
8677
8678 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008679 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008680
8681 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008682 dev_err(&bp->pdev->dev, "MCP disabled, "
8683 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008684
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008685 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008686 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008687
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008688 /* Set TPA flags */
8689 if (disable_tpa) {
8690 bp->flags &= ~TPA_ENABLE_FLAG;
8691 bp->dev->features &= ~NETIF_F_LRO;
8692 } else {
8693 bp->flags |= TPA_ENABLE_FLAG;
8694 bp->dev->features |= NETIF_F_LRO;
8695 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008696 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008697
Eilon Greensteina18f5122009-08-12 08:23:26 +00008698 if (CHIP_IS_E1(bp))
8699 bp->dropless_fc = 0;
8700 else
8701 bp->dropless_fc = dropless_fc;
8702
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008703 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008704
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008705 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008706
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008707 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008708 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8709 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008710
Eilon Greenstein87942b42009-02-12 08:36:49 +00008711 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8712 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008713
8714 init_timer(&bp->timer);
8715 bp->timer.expires = jiffies + bp->current_interval;
8716 bp->timer.data = (unsigned long) bp;
8717 bp->timer.function = bnx2x_timer;
8718
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008719 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008720 bnx2x_dcbx_init_params(bp);
8721
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008722 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008723}
8724
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008725
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008726/****************************************************************************
8727* General service functions
8728****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008729
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008730/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008731static int bnx2x_open(struct net_device *dev)
8732{
8733 struct bnx2x *bp = netdev_priv(dev);
8734
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008735 netif_carrier_off(dev);
8736
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008737 bnx2x_set_power_state(bp, PCI_D0);
8738
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008739 if (!bnx2x_reset_is_done(bp)) {
8740 do {
8741 /* Reset MCP mail box sequence if there is on going
8742 * recovery
8743 */
8744 bp->fw_seq = 0;
8745
8746 /* If it's the first function to load and reset done
8747 * is still not cleared it may mean that. We don't
8748 * check the attention state here because it may have
8749 * already been cleared by a "common" reset but we
8750 * shell proceed with "process kill" anyway.
8751 */
8752 if ((bnx2x_get_load_cnt(bp) == 0) &&
8753 bnx2x_trylock_hw_lock(bp,
8754 HW_LOCK_RESOURCE_RESERVED_08) &&
8755 (!bnx2x_leader_reset(bp))) {
8756 DP(NETIF_MSG_HW, "Recovered in open\n");
8757 break;
8758 }
8759
8760 bnx2x_set_power_state(bp, PCI_D3hot);
8761
8762 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8763 " completed yet. Try again later. If u still see this"
8764 " message after a few retries then power cycle is"
8765 " required.\n", bp->dev->name);
8766
8767 return -EAGAIN;
8768 } while (0);
8769 }
8770
8771 bp->recovery_state = BNX2X_RECOVERY_DONE;
8772
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008773 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008774}
8775
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008776/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008777static int bnx2x_close(struct net_device *dev)
8778{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008779 struct bnx2x *bp = netdev_priv(dev);
8780
8781 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008782 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008783 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008784
8785 return 0;
8786}
8787
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008788#define E1_MAX_UC_LIST 29
8789#define E1H_MAX_UC_LIST 30
8790#define E2_MAX_UC_LIST 14
8791static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
8792{
8793 if (CHIP_IS_E1(bp))
8794 return E1_MAX_UC_LIST;
8795 else if (CHIP_IS_E1H(bp))
8796 return E1H_MAX_UC_LIST;
8797 else
8798 return E2_MAX_UC_LIST;
8799}
8800
8801
8802static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
8803{
8804 if (CHIP_IS_E1(bp))
8805 /* CAM Entries for Port0:
8806 * 0 - prim ETH MAC
8807 * 1 - BCAST MAC
8808 * 2 - iSCSI L2 ring ETH MAC
8809 * 3-31 - UC MACs
8810 *
8811 * Port1 entries are allocated the same way starting from
8812 * entry 32.
8813 */
8814 return 3 + 32 * BP_PORT(bp);
8815 else if (CHIP_IS_E1H(bp)) {
8816 /* CAM Entries:
8817 * 0-7 - prim ETH MAC for each function
8818 * 8-15 - iSCSI L2 ring ETH MAC for each function
8819 * 16 till 255 UC MAC lists for each function
8820 *
8821 * Remark: There is no FCoE support for E1H, thus FCoE related
8822 * MACs are not considered.
8823 */
8824 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
8825 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
8826 } else {
8827 /* CAM Entries (there is a separate CAM per engine):
8828 * 0-4 - prim ETH MAC for each function
8829 * 4-7 - iSCSI L2 ring ETH MAC for each function
8830 * 8-11 - FIP ucast L2 MAC for each function
8831 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
8832 * 16 till 71 UC MAC lists for each function
8833 */
8834 u8 func_idx =
8835 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
8836
8837 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
8838 bnx2x_max_uc_list(bp) * func_idx;
8839 }
8840}
8841
8842/* set uc list, do not wait as wait implies sleep and
8843 * set_rx_mode can be invoked from non-sleepable context.
8844 *
8845 * Instead we use the same ramrod data buffer each time we need
8846 * to configure a list of addresses, and use the fact that the
8847 * list of MACs is changed in an incremental way and that the
8848 * function is called under the netif_addr_lock. A temporary
8849 * inconsistent CAM configuration (possible in case of very fast
8850 * sequence of add/del/add on the host side) will shortly be
8851 * restored by the handler of the last ramrod.
8852 */
8853static int bnx2x_set_uc_list(struct bnx2x *bp)
8854{
8855 int i = 0, old;
8856 struct net_device *dev = bp->dev;
8857 u8 offset = bnx2x_uc_list_cam_offset(bp);
8858 struct netdev_hw_addr *ha;
8859 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8860 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8861
8862 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
8863 return -EINVAL;
8864
8865 netdev_for_each_uc_addr(ha, dev) {
8866 /* copy mac */
8867 config_cmd->config_table[i].msb_mac_addr =
8868 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
8869 config_cmd->config_table[i].middle_mac_addr =
8870 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
8871 config_cmd->config_table[i].lsb_mac_addr =
8872 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
8873
8874 config_cmd->config_table[i].vlan_id = 0;
8875 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
8876 config_cmd->config_table[i].clients_bit_vector =
8877 cpu_to_le32(1 << BP_L_ID(bp));
8878
8879 SET_FLAG(config_cmd->config_table[i].flags,
8880 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8881 T_ETH_MAC_COMMAND_SET);
8882
8883 DP(NETIF_MSG_IFUP,
8884 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
8885 config_cmd->config_table[i].msb_mac_addr,
8886 config_cmd->config_table[i].middle_mac_addr,
8887 config_cmd->config_table[i].lsb_mac_addr);
8888
8889 i++;
8890
8891 /* Set uc MAC in NIG */
8892 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
8893 LLH_CAM_ETH_LINE + i);
8894 }
8895 old = config_cmd->hdr.length;
8896 if (old > i) {
8897 for (; i < old; i++) {
8898 if (CAM_IS_INVALID(config_cmd->
8899 config_table[i])) {
8900 /* already invalidated */
8901 break;
8902 }
8903 /* invalidate */
8904 SET_FLAG(config_cmd->config_table[i].flags,
8905 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8906 T_ETH_MAC_COMMAND_INVALIDATE);
8907 }
8908 }
8909
8910 wmb();
8911
8912 config_cmd->hdr.length = i;
8913 config_cmd->hdr.offset = offset;
8914 config_cmd->hdr.client_id = 0xff;
8915 /* Mark that this ramrod doesn't use bp->set_mac_pending for
8916 * synchronization.
8917 */
8918 config_cmd->hdr.echo = 0;
8919
8920 mb();
8921
8922 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8923 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8924
8925}
8926
8927void bnx2x_invalidate_uc_list(struct bnx2x *bp)
8928{
8929 int i;
8930 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8931 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8932 int ramrod_flags = WAIT_RAMROD_COMMON;
8933 u8 offset = bnx2x_uc_list_cam_offset(bp);
8934 u8 max_list_size = bnx2x_max_uc_list(bp);
8935
8936 for (i = 0; i < max_list_size; i++) {
8937 SET_FLAG(config_cmd->config_table[i].flags,
8938 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8939 T_ETH_MAC_COMMAND_INVALIDATE);
8940 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
8941 }
8942
8943 wmb();
8944
8945 config_cmd->hdr.length = max_list_size;
8946 config_cmd->hdr.offset = offset;
8947 config_cmd->hdr.client_id = 0xff;
8948 /* We'll wait for a completion this time... */
8949 config_cmd->hdr.echo = 1;
8950
8951 bp->set_mac_pending = 1;
8952
8953 mb();
8954
8955 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8956 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8957
8958 /* Wait for a completion */
8959 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
8960 ramrod_flags);
8961
8962}
8963
8964static inline int bnx2x_set_mc_list(struct bnx2x *bp)
8965{
8966 /* some multicasts */
8967 if (CHIP_IS_E1(bp)) {
8968 return bnx2x_set_e1_mc_list(bp);
8969 } else { /* E1H and newer */
8970 return bnx2x_set_e1h_mc_list(bp);
8971 }
8972}
8973
Eilon Greensteinf5372252009-02-12 08:38:30 +00008974/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008975void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008976{
8977 struct bnx2x *bp = netdev_priv(dev);
8978 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008979
8980 if (bp->state != BNX2X_STATE_OPEN) {
8981 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8982 return;
8983 }
8984
8985 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8986
8987 if (dev->flags & IFF_PROMISC)
8988 rx_mode = BNX2X_RX_MODE_PROMISC;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008989 else if (dev->flags & IFF_ALLMULTI)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008990 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008991 else {
8992 /* some multicasts */
8993 if (bnx2x_set_mc_list(bp))
8994 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008995
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008996 /* some unicasts */
8997 if (bnx2x_set_uc_list(bp))
8998 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008999 }
9000
9001 bp->rx_mode = rx_mode;
9002 bnx2x_set_storm_rx_mode(bp);
9003}
9004
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009005/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009006static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
9007 int devad, u16 addr)
9008{
9009 struct bnx2x *bp = netdev_priv(netdev);
9010 u16 value;
9011 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009012
9013 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
9014 prtad, devad, addr);
9015
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009016 /* The HW expects different devad if CL22 is used */
9017 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9018
9019 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009020 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009021 bnx2x_release_phy_lock(bp);
9022 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
9023
9024 if (!rc)
9025 rc = value;
9026 return rc;
9027}
9028
9029/* called with rtnl_lock */
9030static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
9031 u16 addr, u16 value)
9032{
9033 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009034 int rc;
9035
9036 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9037 " value 0x%x\n", prtad, devad, addr, value);
9038
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009039 /* The HW expects different devad if CL22 is used */
9040 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9041
9042 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009043 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009044 bnx2x_release_phy_lock(bp);
9045 return rc;
9046}
9047
9048/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009049static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9050{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009051 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009052 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009053
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009054 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9055 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009056
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009057 if (!netif_running(dev))
9058 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009059
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009060 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009061}
9062
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009063#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009064static void poll_bnx2x(struct net_device *dev)
9065{
9066 struct bnx2x *bp = netdev_priv(dev);
9067
9068 disable_irq(bp->pdev->irq);
9069 bnx2x_interrupt(bp->pdev->irq, dev);
9070 enable_irq(bp->pdev->irq);
9071}
9072#endif
9073
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009074static const struct net_device_ops bnx2x_netdev_ops = {
9075 .ndo_open = bnx2x_open,
9076 .ndo_stop = bnx2x_close,
9077 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009078 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009079 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009080 .ndo_set_mac_address = bnx2x_change_mac_addr,
9081 .ndo_validate_addr = eth_validate_addr,
9082 .ndo_do_ioctl = bnx2x_ioctl,
9083 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +00009084 .ndo_fix_features = bnx2x_fix_features,
9085 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009086 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009087#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009088 .ndo_poll_controller = poll_bnx2x,
9089#endif
9090};
9091
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009092static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9093 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009094{
9095 struct bnx2x *bp;
9096 int rc;
9097
9098 SET_NETDEV_DEV(dev, &pdev->dev);
9099 bp = netdev_priv(dev);
9100
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009101 bp->dev = dev;
9102 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009103 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009104 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009105
9106 rc = pci_enable_device(pdev);
9107 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009108 dev_err(&bp->pdev->dev,
9109 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009110 goto err_out;
9111 }
9112
9113 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009114 dev_err(&bp->pdev->dev,
9115 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009116 rc = -ENODEV;
9117 goto err_out_disable;
9118 }
9119
9120 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009121 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9122 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009123 rc = -ENODEV;
9124 goto err_out_disable;
9125 }
9126
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009127 if (atomic_read(&pdev->enable_cnt) == 1) {
9128 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9129 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009130 dev_err(&bp->pdev->dev,
9131 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009132 goto err_out_disable;
9133 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009134
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009135 pci_set_master(pdev);
9136 pci_save_state(pdev);
9137 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009138
9139 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9140 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009141 dev_err(&bp->pdev->dev,
9142 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009143 rc = -EIO;
9144 goto err_out_release;
9145 }
9146
9147 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9148 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009149 dev_err(&bp->pdev->dev,
9150 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009151 rc = -EIO;
9152 goto err_out_release;
9153 }
9154
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009155 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009156 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009157 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009158 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9159 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009160 rc = -EIO;
9161 goto err_out_release;
9162 }
9163
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009164 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009165 dev_err(&bp->pdev->dev,
9166 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009167 rc = -EIO;
9168 goto err_out_release;
9169 }
9170
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009171 dev->mem_start = pci_resource_start(pdev, 0);
9172 dev->base_addr = dev->mem_start;
9173 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009174
9175 dev->irq = pdev->irq;
9176
Arjan van de Ven275f1652008-10-20 21:42:39 -07009177 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009178 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009179 dev_err(&bp->pdev->dev,
9180 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009181 rc = -ENOMEM;
9182 goto err_out_release;
9183 }
9184
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009185 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009186 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009187 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009188 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009189 dev_err(&bp->pdev->dev,
9190 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009191 rc = -ENOMEM;
9192 goto err_out_unmap;
9193 }
9194
9195 bnx2x_set_power_state(bp, PCI_D0);
9196
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009197 /* clean indirect addresses */
9198 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9199 PCICFG_VENDOR_ID_OFFSET);
9200 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9201 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9202 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9203 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009204
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009205 /* Reset the load counter */
9206 bnx2x_clear_load_cnt(bp);
9207
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009208 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009209
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009210 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009211 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +00009212
9213 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9214 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
9215 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX;
9216
9217 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9218 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
9219
9220 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009221 if (bp->flags & USING_DAC_FLAG)
9222 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009223
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +00009224 /* Add Loopback capability to the device */
9225 dev->hw_features |= NETIF_F_LOOPBACK;
9226
Shmulik Ravid98507672011-02-28 12:19:55 -08009227#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009228 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9229#endif
9230
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009231 /* get_port_hwinfo() will set prtad and mmds properly */
9232 bp->mdio.prtad = MDIO_PRTAD_NONE;
9233 bp->mdio.mmds = 0;
9234 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9235 bp->mdio.dev = dev;
9236 bp->mdio.mdio_read = bnx2x_mdio_read;
9237 bp->mdio.mdio_write = bnx2x_mdio_write;
9238
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009239 return 0;
9240
9241err_out_unmap:
9242 if (bp->regview) {
9243 iounmap(bp->regview);
9244 bp->regview = NULL;
9245 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009246 if (bp->doorbells) {
9247 iounmap(bp->doorbells);
9248 bp->doorbells = NULL;
9249 }
9250
9251err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009252 if (atomic_read(&pdev->enable_cnt) == 1)
9253 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009254
9255err_out_disable:
9256 pci_disable_device(pdev);
9257 pci_set_drvdata(pdev, NULL);
9258
9259err_out:
9260 return rc;
9261}
9262
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009263static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9264 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009265{
9266 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9267
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009268 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9269
9270 /* return value of 1=2.5GHz 2=5GHz */
9271 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009272}
9273
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009274static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009275{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009276 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009277 struct bnx2x_fw_file_hdr *fw_hdr;
9278 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009279 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009280 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009281 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009282 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009283
9284 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9285 return -EINVAL;
9286
9287 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9288 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9289
9290 /* Make sure none of the offsets and sizes make us read beyond
9291 * the end of the firmware data */
9292 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9293 offset = be32_to_cpu(sections[i].offset);
9294 len = be32_to_cpu(sections[i].len);
9295 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009296 dev_err(&bp->pdev->dev,
9297 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009298 return -EINVAL;
9299 }
9300 }
9301
9302 /* Likewise for the init_ops offsets */
9303 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9304 ops_offsets = (u16 *)(firmware->data + offset);
9305 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9306
9307 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9308 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009309 dev_err(&bp->pdev->dev,
9310 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009311 return -EINVAL;
9312 }
9313 }
9314
9315 /* Check FW version */
9316 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9317 fw_ver = firmware->data + offset;
9318 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9319 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9320 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9321 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009322 dev_err(&bp->pdev->dev,
9323 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009324 fw_ver[0], fw_ver[1], fw_ver[2],
9325 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9326 BCM_5710_FW_MINOR_VERSION,
9327 BCM_5710_FW_REVISION_VERSION,
9328 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009329 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009330 }
9331
9332 return 0;
9333}
9334
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009335static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009336{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009337 const __be32 *source = (const __be32 *)_source;
9338 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009339 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009340
9341 for (i = 0; i < n/4; i++)
9342 target[i] = be32_to_cpu(source[i]);
9343}
9344
9345/*
9346 Ops array is stored in the following format:
9347 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9348 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009349static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009350{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009351 const __be32 *source = (const __be32 *)_source;
9352 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009353 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009354
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009355 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009356 tmp = be32_to_cpu(source[j]);
9357 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009358 target[i].offset = tmp & 0xffffff;
9359 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009360 }
9361}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009362
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009363/**
9364 * IRO array is stored in the following format:
9365 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9366 */
9367static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9368{
9369 const __be32 *source = (const __be32 *)_source;
9370 struct iro *target = (struct iro *)_target;
9371 u32 i, j, tmp;
9372
9373 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9374 target[i].base = be32_to_cpu(source[j]);
9375 j++;
9376 tmp = be32_to_cpu(source[j]);
9377 target[i].m1 = (tmp >> 16) & 0xffff;
9378 target[i].m2 = tmp & 0xffff;
9379 j++;
9380 tmp = be32_to_cpu(source[j]);
9381 target[i].m3 = (tmp >> 16) & 0xffff;
9382 target[i].size = tmp & 0xffff;
9383 j++;
9384 }
9385}
9386
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009387static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009388{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009389 const __be16 *source = (const __be16 *)_source;
9390 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009391 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009392
9393 for (i = 0; i < n/2; i++)
9394 target[i] = be16_to_cpu(source[i]);
9395}
9396
Joe Perches7995c642010-02-17 15:01:52 +00009397#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9398do { \
9399 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9400 bp->arr = kmalloc(len, GFP_KERNEL); \
9401 if (!bp->arr) { \
9402 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9403 goto lbl; \
9404 } \
9405 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9406 (u8 *)bp->arr, len); \
9407} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009408
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009409int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009410{
Ben Hutchings45229b42009-11-07 11:53:39 +00009411 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009412 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009413 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009414
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009415 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009416 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009417 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009418 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009419 else if (CHIP_IS_E2(bp))
9420 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009421 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009422 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009423 return -EINVAL;
9424 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009425
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009426 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009427
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009428 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009429 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009430 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009431 goto request_firmware_exit;
9432 }
9433
9434 rc = bnx2x_check_firmware(bp);
9435 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009436 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009437 goto request_firmware_exit;
9438 }
9439
9440 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9441
9442 /* Initialize the pointers to the init arrays */
9443 /* Blob */
9444 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9445
9446 /* Opcodes */
9447 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9448
9449 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009450 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9451 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009452
9453 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009454 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9455 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9456 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9457 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9458 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9459 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9460 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9461 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9462 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9463 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9464 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9465 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9466 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9467 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9468 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9469 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009470 /* IRO */
9471 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009472
9473 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009474
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009475iro_alloc_err:
9476 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009477init_offsets_alloc_err:
9478 kfree(bp->init_ops);
9479init_ops_alloc_err:
9480 kfree(bp->init_data);
9481request_firmware_exit:
9482 release_firmware(bp->firmware);
9483
9484 return rc;
9485}
9486
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009487static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9488{
9489 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009490
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009491#ifdef BCM_CNIC
9492 cid_count += CNIC_CID_MAX;
9493#endif
9494 return roundup(cid_count, QM_CID_ROUND);
9495}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009496
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009497static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9498 const struct pci_device_id *ent)
9499{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009500 struct net_device *dev = NULL;
9501 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009502 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009503 int rc, cid_count;
9504
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009505 switch (ent->driver_data) {
9506 case BCM57710:
9507 case BCM57711:
9508 case BCM57711E:
9509 cid_count = FP_SB_MAX_E1x;
9510 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009511
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009512 case BCM57712:
9513 case BCM57712E:
9514 cid_count = FP_SB_MAX_E2;
9515 break;
9516
9517 default:
9518 pr_err("Unknown board_type (%ld), aborting\n",
9519 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009520 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009521 }
9522
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009523 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009524
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009525 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009526 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009527 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009528 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009529 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009530 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009531
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009532 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009533 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009534
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009535 pci_set_drvdata(pdev, dev);
9536
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009537 bp->l2_cid_count = cid_count;
9538
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009539 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009540 if (rc < 0) {
9541 free_netdev(dev);
9542 return rc;
9543 }
9544
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009545 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009546 if (rc)
9547 goto init_one_exit;
9548
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009549 /* calc qm_cid_count */
9550 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9551
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009552#ifdef BCM_CNIC
9553 /* disable FCOE L2 queue for E1x*/
9554 if (CHIP_IS_E1x(bp))
9555 bp->flags |= NO_FCOE_FLAG;
9556
9557#endif
9558
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009559 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009560 * needed, set bp->num_queues appropriately.
9561 */
9562 bnx2x_set_int_mode(bp);
9563
9564 /* Add all NAPI objects */
9565 bnx2x_add_all_napi(bp);
9566
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009567 rc = register_netdev(dev);
9568 if (rc) {
9569 dev_err(&pdev->dev, "Cannot register net device\n");
9570 goto init_one_exit;
9571 }
9572
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009573#ifdef BCM_CNIC
9574 if (!NO_FCOE(bp)) {
9575 /* Add storage MAC address */
9576 rtnl_lock();
9577 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9578 rtnl_unlock();
9579 }
9580#endif
9581
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009582 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009583
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009584 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9585 " IRQ %d, ", board_info[ent->driver_data].name,
9586 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009587 pcie_width,
9588 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9589 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9590 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009591 dev->base_addr, bp->pdev->irq);
9592 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009593
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009594 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009595
9596init_one_exit:
9597 if (bp->regview)
9598 iounmap(bp->regview);
9599
9600 if (bp->doorbells)
9601 iounmap(bp->doorbells);
9602
9603 free_netdev(dev);
9604
9605 if (atomic_read(&pdev->enable_cnt) == 1)
9606 pci_release_regions(pdev);
9607
9608 pci_disable_device(pdev);
9609 pci_set_drvdata(pdev, NULL);
9610
9611 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009612}
9613
9614static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9615{
9616 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009617 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009618
Eliezer Tamir228241e2008-02-28 11:56:57 -08009619 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009620 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009621 return;
9622 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009623 bp = netdev_priv(dev);
9624
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009625#ifdef BCM_CNIC
9626 /* Delete storage MAC address */
9627 if (!NO_FCOE(bp)) {
9628 rtnl_lock();
9629 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9630 rtnl_unlock();
9631 }
9632#endif
9633
Shmulik Ravid98507672011-02-28 12:19:55 -08009634#ifdef BCM_DCBNL
9635 /* Delete app tlvs from dcbnl */
9636 bnx2x_dcbnl_update_applist(bp, true);
9637#endif
9638
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009639 unregister_netdev(dev);
9640
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009641 /* Delete all NAPI objects */
9642 bnx2x_del_all_napi(bp);
9643
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009644 /* Power on: we can't let PCI layer write to us while we are in D3 */
9645 bnx2x_set_power_state(bp, PCI_D0);
9646
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009647 /* Disable MSI/MSI-X */
9648 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009649
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009650 /* Power off */
9651 bnx2x_set_power_state(bp, PCI_D3hot);
9652
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009653 /* Make sure RESET task is not scheduled before continuing */
9654 cancel_delayed_work_sync(&bp->reset_task);
9655
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009656 if (bp->regview)
9657 iounmap(bp->regview);
9658
9659 if (bp->doorbells)
9660 iounmap(bp->doorbells);
9661
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009662 bnx2x_free_mem_bp(bp);
9663
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009664 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009665
9666 if (atomic_read(&pdev->enable_cnt) == 1)
9667 pci_release_regions(pdev);
9668
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009669 pci_disable_device(pdev);
9670 pci_set_drvdata(pdev, NULL);
9671}
9672
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009673static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9674{
9675 int i;
9676
9677 bp->state = BNX2X_STATE_ERROR;
9678
9679 bp->rx_mode = BNX2X_RX_MODE_NONE;
9680
9681 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009682 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009683
9684 del_timer_sync(&bp->timer);
9685 bp->stats_state = STATS_STATE_DISABLED;
9686 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9687
9688 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009689 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009690
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009691 /* Free SKBs, SGEs, TPA pool and driver internals */
9692 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009693
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009694 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009695 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009696
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009697 bnx2x_free_mem(bp);
9698
9699 bp->state = BNX2X_STATE_CLOSED;
9700
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009701 return 0;
9702}
9703
9704static void bnx2x_eeh_recover(struct bnx2x *bp)
9705{
9706 u32 val;
9707
9708 mutex_init(&bp->port.phy_mutex);
9709
9710 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9711 bp->link_params.shmem_base = bp->common.shmem_base;
9712 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9713
9714 if (!bp->common.shmem_base ||
9715 (bp->common.shmem_base < 0xA0000) ||
9716 (bp->common.shmem_base >= 0xC0000)) {
9717 BNX2X_DEV_INFO("MCP not active\n");
9718 bp->flags |= NO_MCP_FLAG;
9719 return;
9720 }
9721
9722 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9723 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9724 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9725 BNX2X_ERR("BAD MCP validity signature\n");
9726
9727 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009728 bp->fw_seq =
9729 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9730 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009731 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9732 }
9733}
9734
Wendy Xiong493adb12008-06-23 20:36:22 -07009735/**
9736 * bnx2x_io_error_detected - called when PCI error is detected
9737 * @pdev: Pointer to PCI device
9738 * @state: The current pci connection state
9739 *
9740 * This function is called after a PCI bus error affecting
9741 * this device has been detected.
9742 */
9743static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9744 pci_channel_state_t state)
9745{
9746 struct net_device *dev = pci_get_drvdata(pdev);
9747 struct bnx2x *bp = netdev_priv(dev);
9748
9749 rtnl_lock();
9750
9751 netif_device_detach(dev);
9752
Dean Nelson07ce50e2009-07-31 09:13:25 +00009753 if (state == pci_channel_io_perm_failure) {
9754 rtnl_unlock();
9755 return PCI_ERS_RESULT_DISCONNECT;
9756 }
9757
Wendy Xiong493adb12008-06-23 20:36:22 -07009758 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009759 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009760
9761 pci_disable_device(pdev);
9762
9763 rtnl_unlock();
9764
9765 /* Request a slot reset */
9766 return PCI_ERS_RESULT_NEED_RESET;
9767}
9768
9769/**
9770 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9771 * @pdev: Pointer to PCI device
9772 *
9773 * Restart the card from scratch, as if from a cold-boot.
9774 */
9775static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9776{
9777 struct net_device *dev = pci_get_drvdata(pdev);
9778 struct bnx2x *bp = netdev_priv(dev);
9779
9780 rtnl_lock();
9781
9782 if (pci_enable_device(pdev)) {
9783 dev_err(&pdev->dev,
9784 "Cannot re-enable PCI device after reset\n");
9785 rtnl_unlock();
9786 return PCI_ERS_RESULT_DISCONNECT;
9787 }
9788
9789 pci_set_master(pdev);
9790 pci_restore_state(pdev);
9791
9792 if (netif_running(dev))
9793 bnx2x_set_power_state(bp, PCI_D0);
9794
9795 rtnl_unlock();
9796
9797 return PCI_ERS_RESULT_RECOVERED;
9798}
9799
9800/**
9801 * bnx2x_io_resume - called when traffic can start flowing again
9802 * @pdev: Pointer to PCI device
9803 *
9804 * This callback is called when the error recovery driver tells us that
9805 * its OK to resume normal operation.
9806 */
9807static void bnx2x_io_resume(struct pci_dev *pdev)
9808{
9809 struct net_device *dev = pci_get_drvdata(pdev);
9810 struct bnx2x *bp = netdev_priv(dev);
9811
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009812 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009813 printk(KERN_ERR "Handling parity error recovery. "
9814 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009815 return;
9816 }
9817
Wendy Xiong493adb12008-06-23 20:36:22 -07009818 rtnl_lock();
9819
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009820 bnx2x_eeh_recover(bp);
9821
Wendy Xiong493adb12008-06-23 20:36:22 -07009822 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009823 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009824
9825 netif_device_attach(dev);
9826
9827 rtnl_unlock();
9828}
9829
9830static struct pci_error_handlers bnx2x_err_handler = {
9831 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009832 .slot_reset = bnx2x_io_slot_reset,
9833 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009834};
9835
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009836static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009837 .name = DRV_MODULE_NAME,
9838 .id_table = bnx2x_pci_tbl,
9839 .probe = bnx2x_init_one,
9840 .remove = __devexit_p(bnx2x_remove_one),
9841 .suspend = bnx2x_suspend,
9842 .resume = bnx2x_resume,
9843 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009844};
9845
9846static int __init bnx2x_init(void)
9847{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009848 int ret;
9849
Joe Perches7995c642010-02-17 15:01:52 +00009850 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009851
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009852 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9853 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009854 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009855 return -ENOMEM;
9856 }
9857
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009858 ret = pci_register_driver(&bnx2x_pci_driver);
9859 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009860 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009861 destroy_workqueue(bnx2x_wq);
9862 }
9863 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009864}
9865
9866static void __exit bnx2x_cleanup(void)
9867{
9868 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009869
9870 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009871}
9872
9873module_init(bnx2x_init);
9874module_exit(bnx2x_cleanup);
9875
Michael Chan993ac7b2009-10-10 13:46:56 +00009876#ifdef BCM_CNIC
9877
9878/* count denotes the number of new completions we have seen */
9879static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9880{
9881 struct eth_spe *spe;
9882
9883#ifdef BNX2X_STOP_ON_ERROR
9884 if (unlikely(bp->panic))
9885 return;
9886#endif
9887
9888 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009889 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009890 bp->cnic_spq_pending -= count;
9891
Michael Chan993ac7b2009-10-10 13:46:56 +00009892
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009893 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9894 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9895 & SPE_HDR_CONN_TYPE) >>
9896 SPE_HDR_CONN_TYPE_SHIFT;
9897
9898 /* Set validation for iSCSI L2 client before sending SETUP
9899 * ramrod
9900 */
9901 if (type == ETH_CONNECTION_TYPE) {
9902 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9903 hdr.conn_and_cmd_data) >>
9904 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9905
9906 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9907 bnx2x_set_ctx_validation(&bp->context.
9908 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9909 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9910 }
9911
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009912 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
9913 * We also check that the number of outstanding
9914 * COMMON ramrods is not more than the EQ and SPQ can
9915 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009916 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009917 if (type == ETH_CONNECTION_TYPE) {
9918 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009919 break;
9920 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009921 atomic_dec(&bp->cq_spq_left);
9922 } else if (type == NONE_CONNECTION_TYPE) {
9923 if (!atomic_read(&bp->eq_spq_left))
9924 break;
9925 else
9926 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009927 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9928 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009929 if (bp->cnic_spq_pending >=
9930 bp->cnic_eth_dev.max_kwqe_pending)
9931 break;
9932 else
9933 bp->cnic_spq_pending++;
9934 } else {
9935 BNX2X_ERR("Unknown SPE type: %d\n", type);
9936 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009937 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009938 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009939
9940 spe = bnx2x_sp_get_next(bp);
9941 *spe = *bp->cnic_kwq_cons;
9942
Michael Chan993ac7b2009-10-10 13:46:56 +00009943 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9944 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9945
9946 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9947 bp->cnic_kwq_cons = bp->cnic_kwq;
9948 else
9949 bp->cnic_kwq_cons++;
9950 }
9951 bnx2x_sp_prod_update(bp);
9952 spin_unlock_bh(&bp->spq_lock);
9953}
9954
9955static int bnx2x_cnic_sp_queue(struct net_device *dev,
9956 struct kwqe_16 *kwqes[], u32 count)
9957{
9958 struct bnx2x *bp = netdev_priv(dev);
9959 int i;
9960
9961#ifdef BNX2X_STOP_ON_ERROR
9962 if (unlikely(bp->panic))
9963 return -EIO;
9964#endif
9965
9966 spin_lock_bh(&bp->spq_lock);
9967
9968 for (i = 0; i < count; i++) {
9969 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9970
9971 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9972 break;
9973
9974 *bp->cnic_kwq_prod = *spe;
9975
9976 bp->cnic_kwq_pending++;
9977
9978 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9979 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009980 spe->data.update_data_addr.hi,
9981 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +00009982 bp->cnic_kwq_pending);
9983
9984 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9985 bp->cnic_kwq_prod = bp->cnic_kwq;
9986 else
9987 bp->cnic_kwq_prod++;
9988 }
9989
9990 spin_unlock_bh(&bp->spq_lock);
9991
9992 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9993 bnx2x_cnic_sp_post(bp, 0);
9994
9995 return i;
9996}
9997
9998static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9999{
10000 struct cnic_ops *c_ops;
10001 int rc = 0;
10002
10003 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000010004 c_ops = rcu_dereference_protected(bp->cnic_ops,
10005 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000010006 if (c_ops)
10007 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10008 mutex_unlock(&bp->cnic_mutex);
10009
10010 return rc;
10011}
10012
10013static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10014{
10015 struct cnic_ops *c_ops;
10016 int rc = 0;
10017
10018 rcu_read_lock();
10019 c_ops = rcu_dereference(bp->cnic_ops);
10020 if (c_ops)
10021 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10022 rcu_read_unlock();
10023
10024 return rc;
10025}
10026
10027/*
10028 * for commands that have no data
10029 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010030int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000010031{
10032 struct cnic_ctl_info ctl = {0};
10033
10034 ctl.cmd = cmd;
10035
10036 return bnx2x_cnic_ctl_send(bp, &ctl);
10037}
10038
10039static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10040{
10041 struct cnic_ctl_info ctl;
10042
10043 /* first we tell CNIC and only then we count this as a completion */
10044 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10045 ctl.data.comp.cid = cid;
10046
10047 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010048 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010049}
10050
10051static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10052{
10053 struct bnx2x *bp = netdev_priv(dev);
10054 int rc = 0;
10055
10056 switch (ctl->cmd) {
10057 case DRV_CTL_CTXTBL_WR_CMD: {
10058 u32 index = ctl->data.io.offset;
10059 dma_addr_t addr = ctl->data.io.dma_addr;
10060
10061 bnx2x_ilt_wr(bp, index, addr);
10062 break;
10063 }
10064
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010065 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10066 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010067
10068 bnx2x_cnic_sp_post(bp, count);
10069 break;
10070 }
10071
10072 /* rtnl_lock is held. */
10073 case DRV_CTL_START_L2_CMD: {
10074 u32 cli = ctl->data.ring.client_id;
10075
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010076 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10077 bnx2x_del_fcoe_eth_macs(bp);
10078
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010079 /* Set iSCSI MAC address */
10080 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10081
10082 mmiowb();
10083 barrier();
10084
10085 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10086 * because it's the only way for UIO Client to accept
10087 * multicasts (in non-promiscuous mode only one Client per
10088 * function will receive multicast packets (leading in our
10089 * case).
10090 */
10091 bnx2x_rxq_set_mac_filters(bp, cli,
10092 BNX2X_ACCEPT_UNICAST |
10093 BNX2X_ACCEPT_BROADCAST |
10094 BNX2X_ACCEPT_ALL_MULTICAST);
10095 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10096
Michael Chan993ac7b2009-10-10 13:46:56 +000010097 break;
10098 }
10099
10100 /* rtnl_lock is held. */
10101 case DRV_CTL_STOP_L2_CMD: {
10102 u32 cli = ctl->data.ring.client_id;
10103
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010104 /* Stop accepting on iSCSI L2 ring */
10105 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10106 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10107
10108 mmiowb();
10109 barrier();
10110
10111 /* Unset iSCSI L2 MAC */
10112 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010113 break;
10114 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010115 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10116 int count = ctl->data.credit.credit_count;
10117
10118 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010119 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010120 smp_mb__after_atomic_inc();
10121 break;
10122 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010123
Dmitry Kravkovfab0dc82011-03-31 17:04:22 -070010124 case DRV_CTL_ISCSI_STOPPED_CMD: {
10125 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
10126 break;
10127 }
10128
Michael Chan993ac7b2009-10-10 13:46:56 +000010129 default:
10130 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10131 rc = -EINVAL;
10132 }
10133
10134 return rc;
10135}
10136
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010137void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010138{
10139 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10140
10141 if (bp->flags & USING_MSIX_FLAG) {
10142 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10143 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10144 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10145 } else {
10146 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10147 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10148 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010149 if (CHIP_IS_E2(bp))
10150 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10151 else
10152 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10153
Michael Chan993ac7b2009-10-10 13:46:56 +000010154 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010155 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010156 cp->irq_arr[1].status_blk = bp->def_status_blk;
10157 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010158 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010159
10160 cp->num_irq = 2;
10161}
10162
10163static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10164 void *data)
10165{
10166 struct bnx2x *bp = netdev_priv(dev);
10167 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10168
10169 if (ops == NULL)
10170 return -EINVAL;
10171
10172 if (atomic_read(&bp->intr_sem) != 0)
10173 return -EBUSY;
10174
10175 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10176 if (!bp->cnic_kwq)
10177 return -ENOMEM;
10178
10179 bp->cnic_kwq_cons = bp->cnic_kwq;
10180 bp->cnic_kwq_prod = bp->cnic_kwq;
10181 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10182
10183 bp->cnic_spq_pending = 0;
10184 bp->cnic_kwq_pending = 0;
10185
10186 bp->cnic_data = data;
10187
10188 cp->num_irq = 0;
10189 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010190 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010191
Michael Chan993ac7b2009-10-10 13:46:56 +000010192 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010193
Michael Chan993ac7b2009-10-10 13:46:56 +000010194 rcu_assign_pointer(bp->cnic_ops, ops);
10195
10196 return 0;
10197}
10198
10199static int bnx2x_unregister_cnic(struct net_device *dev)
10200{
10201 struct bnx2x *bp = netdev_priv(dev);
10202 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10203
10204 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010205 cp->drv_state = 0;
10206 rcu_assign_pointer(bp->cnic_ops, NULL);
10207 mutex_unlock(&bp->cnic_mutex);
10208 synchronize_rcu();
10209 kfree(bp->cnic_kwq);
10210 bp->cnic_kwq = NULL;
10211
10212 return 0;
10213}
10214
10215struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10216{
10217 struct bnx2x *bp = netdev_priv(dev);
10218 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10219
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010220 /* If both iSCSI and FCoE are disabled - return NULL in
10221 * order to indicate CNIC that it should not try to work
10222 * with this device.
10223 */
10224 if (NO_ISCSI(bp) && NO_FCOE(bp))
10225 return NULL;
10226
Michael Chan993ac7b2009-10-10 13:46:56 +000010227 cp->drv_owner = THIS_MODULE;
10228 cp->chip_id = CHIP_ID(bp);
10229 cp->pdev = bp->pdev;
10230 cp->io_base = bp->regview;
10231 cp->io_base2 = bp->doorbells;
10232 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010233 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010234 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10235 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010236 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010237 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010238 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10239 cp->drv_ctl = bnx2x_drv_ctl;
10240 cp->drv_register_cnic = bnx2x_register_cnic;
10241 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010242 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10243 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10244 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010245 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010246
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010247 if (NO_ISCSI_OOO(bp))
10248 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10249
10250 if (NO_ISCSI(bp))
10251 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10252
10253 if (NO_FCOE(bp))
10254 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10255
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010256 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10257 "starting cid %d\n",
10258 cp->ctx_blk_size,
10259 cp->ctx_tbl_offset,
10260 cp->ctx_tbl_len,
10261 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010262 return cp;
10263}
10264EXPORT_SYMBOL(bnx2x_cnic_probe);
10265
10266#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010267