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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
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001735int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
1736{
1737 u32 sel_phy_idx = 0;
1738 if (bp->link_vars.link_up) {
1739 sel_phy_idx = EXT_PHY1;
1740 /* In case link is SERDES, check if the EXT_PHY2 is the one */
1741 if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
1742 (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
1743 sel_phy_idx = EXT_PHY2;
1744 } else {
1745
1746 switch (bnx2x_phy_selection(&bp->link_params)) {
1747 case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
1748 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
1749 case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
1750 sel_phy_idx = EXT_PHY1;
1751 break;
1752 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
1753 case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
1754 sel_phy_idx = EXT_PHY2;
1755 break;
1756 }
1757 }
1758 /*
1759 * The selected actived PHY is always after swapping (in case PHY
1760 * swapping is enabled). So when swapping is enabled, we need to reverse
1761 * the configuration
1762 */
1763
1764 if (bp->link_params.multi_phy_config &
1765 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
1766 if (sel_phy_idx == EXT_PHY1)
1767 sel_phy_idx = EXT_PHY2;
1768 else if (sel_phy_idx == EXT_PHY2)
1769 sel_phy_idx = EXT_PHY1;
1770 }
1771 return LINK_CONFIG_IDX(sel_phy_idx);
1772}
1773
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001774void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001775{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001776 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001777 switch (bp->link_vars.ieee_fc &
1778 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001779 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001780 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001781 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001782 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001783
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001784 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001785 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001786 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001787 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001788
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001789 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001790 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001791 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001792
Eliezer Tamirf1410642008-02-28 11:51:50 -08001793 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001794 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001795 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001796 break;
1797 }
1798}
1799
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001800u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001801{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001802 if (!BP_NOMCP(bp)) {
1803 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001804 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1805 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001806 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001807 /* It is recommended to turn off RX FC for jumbo frames
1808 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001809 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001810 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001811 else
David S. Millerc0700f92008-12-16 23:53:20 -08001812 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001813
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001814 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001815
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001816 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001817 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001818 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1819 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001820
Eilon Greenstein19680c42008-08-13 15:47:33 -07001821 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001822
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001823 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001824
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001825 bnx2x_calc_fc_adv(bp);
1826
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001827 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1828 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001829 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001830 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001831 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001832 return rc;
1833 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001834 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001835 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001836}
1837
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001838void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001839{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001840 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001841 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001842 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001843 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001844 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001845
Eilon Greenstein19680c42008-08-13 15:47:33 -07001846 bnx2x_calc_fc_adv(bp);
1847 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001848 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001849}
1850
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001851static void bnx2x__link_reset(struct bnx2x *bp)
1852{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001853 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001854 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001855 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001856 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001857 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001858 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001859}
1860
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001861u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001862{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001863 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001864
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001865 if (!BP_NOMCP(bp)) {
1866 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001867 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1868 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001869 bnx2x_release_phy_lock(bp);
1870 } else
1871 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001872
1873 return rc;
1874}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001875
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001876static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001877{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001878 u32 r_param = bp->link_vars.line_speed / 8;
1879 u32 fair_periodic_timeout_usec;
1880 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001881
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001882 memset(&(bp->cmng.rs_vars), 0,
1883 sizeof(struct rate_shaping_vars_per_port));
1884 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001885
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001886 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1887 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001888
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001889 /* this is the threshold below which no timer arming will occur
1890 1.25 coefficient is for the threshold to be a little bigger
1891 than the real time, to compensate for timer in-accuracy */
1892 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001893 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1894
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001895 /* resolution of fairness timer */
1896 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1897 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1898 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001899
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001900 /* this is the threshold below which we won't arm the timer anymore */
1901 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001902
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001903 /* we multiply by 1e3/8 to get bytes/msec.
1904 We don't want the credits to pass a credit
1905 of the t_fair*FAIR_MEM (algorithm resolution) */
1906 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1907 /* since each tick is 4 usec */
1908 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001909}
1910
Eilon Greenstein2691d512009-08-12 08:22:08 +00001911/* Calculates the sum of vn_min_rates.
1912 It's needed for further normalizing of the min_rates.
1913 Returns:
1914 sum of vn_min_rates.
1915 or
1916 0 - if all the min_rates are 0.
1917 In the later case fainess algorithm should be deactivated.
1918 If not all min_rates are zero then those that are zeroes will be set to 1.
1919 */
1920static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1921{
1922 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001923 int vn;
1924
1925 bp->vn_weight_sum = 0;
1926 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001927 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001928 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1929 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1930
1931 /* Skip hidden vns */
1932 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1933 continue;
1934
1935 /* If min rate is zero - set it to 1 */
1936 if (!vn_min_rate)
1937 vn_min_rate = DEF_MIN_RATE;
1938 else
1939 all_zero = 0;
1940
1941 bp->vn_weight_sum += vn_min_rate;
1942 }
1943
1944 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001945 if (all_zero) {
1946 bp->cmng.flags.cmng_enables &=
1947 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1948 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1949 " fairness will be disabled\n");
1950 } else
1951 bp->cmng.flags.cmng_enables |=
1952 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001953}
1954
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001955static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001956{
1957 struct rate_shaping_vars_per_vn m_rs_vn;
1958 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001959 u32 vn_cfg = bp->mf_config[vn];
1960 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001961 u16 vn_min_rate, vn_max_rate;
1962 int i;
1963
1964 /* If function is hidden - set min and max to zeroes */
1965 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1966 vn_min_rate = 0;
1967 vn_max_rate = 0;
1968
1969 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001970 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
1971
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001972 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1973 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001974 /* If fairness is enabled (not all min rates are zeroes) and
1975 if current min rate is zero - set it to 1.
1976 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001977 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001978 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001979
1980 if (IS_MF_SI(bp))
1981 /* maxCfg in percents of linkspeed */
1982 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
1983 else
1984 /* maxCfg is absolute in 100Mb units */
1985 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001986 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001987
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001988 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001989 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001990 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001991
1992 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1993 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1994
1995 /* global vn counter - maximal Mbps for this vn */
1996 m_rs_vn.vn_counter.rate = vn_max_rate;
1997
1998 /* quota - number of bytes transmitted in this period */
1999 m_rs_vn.vn_counter.quota =
2000 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
2001
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002002 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002003 /* credit for each period of the fairness algorithm:
2004 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002005 vn_weight_sum should not be larger than 10000, thus
2006 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
2007 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002008 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002009 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
2010 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00002011 (bp->cmng.fair_vars.fair_threshold +
2012 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002013 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002014 m_fair_vn.vn_credit_delta);
2015 }
2016
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002017 /* Store it to internal memory */
2018 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
2019 REG_WR(bp, BAR_XSTRORM_INTMEM +
2020 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
2021 ((u32 *)(&m_rs_vn))[i]);
2022
2023 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
2024 REG_WR(bp, BAR_XSTRORM_INTMEM +
2025 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
2026 ((u32 *)(&m_fair_vn))[i]);
2027}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002028
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002029static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
2030{
2031 if (CHIP_REV_IS_SLOW(bp))
2032 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002033 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002034 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002035
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002036 return CMNG_FNS_NONE;
2037}
2038
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002039void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002040{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002041 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002042
2043 if (BP_NOMCP(bp))
2044 return; /* what should be the default bvalue in this case */
2045
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002046 /* For 2 port configuration the absolute function number formula
2047 * is:
2048 * abs_func = 2 * vn + BP_PORT + BP_PATH
2049 *
2050 * and there are 4 functions per port
2051 *
2052 * For 4 port configuration it is
2053 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2054 *
2055 * and there are 2 functions per port
2056 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002057 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002058 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2059
2060 if (func >= E1H_FUNC_MAX)
2061 break;
2062
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002063 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002064 MF_CFG_RD(bp, func_mf_config[func].config);
2065 }
2066}
2067
2068static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2069{
2070
2071 if (cmng_type == CMNG_FNS_MINMAX) {
2072 int vn;
2073
2074 /* clear cmng_enables */
2075 bp->cmng.flags.cmng_enables = 0;
2076
2077 /* read mf conf from shmem */
2078 if (read_cfg)
2079 bnx2x_read_mf_cfg(bp);
2080
2081 /* Init rate shaping and fairness contexts */
2082 bnx2x_init_port_minmax(bp);
2083
2084 /* vn_weight_sum and enable fairness if not 0 */
2085 bnx2x_calc_vn_weight_sum(bp);
2086
2087 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002088 if (bp->port.pmf)
2089 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2090 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002091
2092 /* always enable rate shaping and fairness */
2093 bp->cmng.flags.cmng_enables |=
2094 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2095 if (!bp->vn_weight_sum)
2096 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2097 " fairness will be disabled\n");
2098 return;
2099 }
2100
2101 /* rate shaping and fairness are disabled */
2102 DP(NETIF_MSG_IFUP,
2103 "rate shaping and fairness are disabled\n");
2104}
2105
2106static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2107{
2108 int port = BP_PORT(bp);
2109 int func;
2110 int vn;
2111
2112 /* Set the attention towards other drivers on the same port */
2113 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2114 if (vn == BP_E1HVN(bp))
2115 continue;
2116
2117 func = ((vn << 1) | port);
2118 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2119 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2120 }
2121}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002122
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002123/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002124static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002125{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002126 /* Make sure that we are synced with the current statistics */
2127 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2128
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002129 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002130
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002131 if (bp->link_vars.link_up) {
2132
Eilon Greenstein1c063282009-02-12 08:36:43 +00002133 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002134 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002135 int port = BP_PORT(bp);
2136 u32 pause_enabled = 0;
2137
2138 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2139 pause_enabled = 1;
2140
2141 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002142 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002143 pause_enabled);
2144 }
2145
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002146 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2147 struct host_port_stats *pstats;
2148
2149 pstats = bnx2x_sp(bp, port_stats);
2150 /* reset old bmac stats */
2151 memset(&(pstats->mac_stx[0]), 0,
2152 sizeof(struct mac_stx));
2153 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002154 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002155 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2156 }
2157
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002158 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2159 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002160
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002161 if (cmng_fns != CMNG_FNS_NONE) {
2162 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2163 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2164 } else
2165 /* rate shaping and fairness are disabled */
2166 DP(NETIF_MSG_IFUP,
2167 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002168 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002169
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002170 __bnx2x_link_report(bp);
2171
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002172 if (IS_MF(bp))
2173 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002174}
2175
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002176void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002177{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002178 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002179 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002180
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002181 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2182
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002183 if (bp->link_vars.link_up)
2184 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2185 else
2186 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2187
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002188 /* indicate link status */
2189 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002190}
2191
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002192static void bnx2x_pmf_update(struct bnx2x *bp)
2193{
2194 int port = BP_PORT(bp);
2195 u32 val;
2196
2197 bp->port.pmf = 1;
2198 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2199
2200 /* enable nig attention */
2201 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002202 if (bp->common.int_block == INT_BLOCK_HC) {
2203 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2204 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2205 } else if (CHIP_IS_E2(bp)) {
2206 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2207 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2208 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002209
2210 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002211}
2212
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002213/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002214
2215/* slow path */
2216
2217/*
2218 * General service functions
2219 */
2220
Eilon Greenstein2691d512009-08-12 08:22:08 +00002221/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002222u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002223{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002224 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002225 u32 seq = ++bp->fw_seq;
2226 u32 rc = 0;
2227 u32 cnt = 1;
2228 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2229
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002230 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002231 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2232 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2233
Eilon Greenstein2691d512009-08-12 08:22:08 +00002234 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2235
2236 do {
2237 /* let the FW do it's magic ... */
2238 msleep(delay);
2239
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002240 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002241
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002242 /* Give the FW up to 5 second (500*10ms) */
2243 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002244
2245 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2246 cnt*delay, rc, seq);
2247
2248 /* is this a reply to our command? */
2249 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2250 rc &= FW_MSG_CODE_MASK;
2251 else {
2252 /* FW BUG! */
2253 BNX2X_ERR("FW failed to respond!\n");
2254 bnx2x_fw_dump(bp);
2255 rc = 0;
2256 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002257 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002258
2259 return rc;
2260}
2261
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002262static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2263{
2264#ifdef BCM_CNIC
2265 if (IS_FCOE_FP(fp) && IS_MF(bp))
2266 return false;
2267#endif
2268 return true;
2269}
2270
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002271/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002272static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002273{
2274 u32 mask = (1 << cl_id);
2275
2276 /* initial seeting is BNX2X_ACCEPT_NONE */
2277 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2278 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2279 u8 unmatched_unicast = 0;
2280
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002281 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2282 unmatched_unicast = 1;
2283
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002284 if (filters & BNX2X_PROMISCUOUS_MODE) {
2285 /* promiscious - accept all, drop none */
2286 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2287 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002288 if (IS_MF_SI(bp)) {
2289 /*
2290 * SI mode defines to accept in promiscuos mode
2291 * only unmatched packets
2292 */
2293 unmatched_unicast = 1;
2294 accp_all_ucast = 0;
2295 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002296 }
2297 if (filters & BNX2X_ACCEPT_UNICAST) {
2298 /* accept matched ucast */
2299 drop_all_ucast = 0;
2300 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002301 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002302 /* accept matched mcast */
2303 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002304
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002305 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2306 /* accept all mcast */
2307 drop_all_ucast = 0;
2308 accp_all_ucast = 1;
2309 }
2310 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2311 /* accept all mcast */
2312 drop_all_mcast = 0;
2313 accp_all_mcast = 1;
2314 }
2315 if (filters & BNX2X_ACCEPT_BROADCAST) {
2316 /* accept (all) bcast */
2317 drop_all_bcast = 0;
2318 accp_all_bcast = 1;
2319 }
2320
2321 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2322 bp->mac_filters.ucast_drop_all | mask :
2323 bp->mac_filters.ucast_drop_all & ~mask;
2324
2325 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2326 bp->mac_filters.mcast_drop_all | mask :
2327 bp->mac_filters.mcast_drop_all & ~mask;
2328
2329 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2330 bp->mac_filters.bcast_drop_all | mask :
2331 bp->mac_filters.bcast_drop_all & ~mask;
2332
2333 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2334 bp->mac_filters.ucast_accept_all | mask :
2335 bp->mac_filters.ucast_accept_all & ~mask;
2336
2337 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2338 bp->mac_filters.mcast_accept_all | mask :
2339 bp->mac_filters.mcast_accept_all & ~mask;
2340
2341 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2342 bp->mac_filters.bcast_accept_all | mask :
2343 bp->mac_filters.bcast_accept_all & ~mask;
2344
2345 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2346 bp->mac_filters.unmatched_unicast | mask :
2347 bp->mac_filters.unmatched_unicast & ~mask;
2348}
2349
stephen hemminger8d962862010-10-21 07:50:56 +00002350static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002351{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002352 struct tstorm_eth_function_common_config tcfg = {0};
2353 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002354
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002355 /* tpa */
2356 if (p->func_flgs & FUNC_FLG_TPA)
2357 tcfg.config_flags |=
2358 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002359
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002360 /* set rss flags */
2361 rss_flgs = (p->rss->mode <<
2362 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002363
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002364 if (p->rss->cap & RSS_IPV4_CAP)
2365 rss_flgs |= RSS_IPV4_CAP_MASK;
2366 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2367 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2368 if (p->rss->cap & RSS_IPV6_CAP)
2369 rss_flgs |= RSS_IPV6_CAP_MASK;
2370 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2371 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002372
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002373 tcfg.config_flags |= rss_flgs;
2374 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002375
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002376 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002377
2378 /* Enable the function in the FW */
2379 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2380 storm_memset_func_en(bp, p->func_id, 1);
2381
2382 /* statistics */
2383 if (p->func_flgs & FUNC_FLG_STATS) {
2384 struct stats_indication_flags stats_flags = {0};
2385 stats_flags.collect_eth = 1;
2386
2387 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2388 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2389
2390 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2391 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2392
2393 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2394 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2395
2396 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2397 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2398 }
2399
2400 /* spq */
2401 if (p->func_flgs & FUNC_FLG_SPQ) {
2402 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2403 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2404 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2405 }
2406}
2407
2408static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2409 struct bnx2x_fastpath *fp)
2410{
2411 u16 flags = 0;
2412
2413 /* calculate queue flags */
2414 flags |= QUEUE_FLG_CACHE_ALIGN;
2415 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002416 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002417
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002418 flags |= QUEUE_FLG_VLAN;
2419 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002420
2421 if (!fp->disable_tpa)
2422 flags |= QUEUE_FLG_TPA;
2423
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002424 flags = stat_counter_valid(bp, fp) ?
2425 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002426
2427 return flags;
2428}
2429
2430static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2431 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2432 struct bnx2x_rxq_init_params *rxq_init)
2433{
2434 u16 max_sge = 0;
2435 u16 sge_sz = 0;
2436 u16 tpa_agg_size = 0;
2437
2438 /* calculate queue flags */
2439 u16 flags = bnx2x_get_cl_flags(bp, fp);
2440
2441 if (!fp->disable_tpa) {
2442 pause->sge_th_hi = 250;
2443 pause->sge_th_lo = 150;
2444 tpa_agg_size = min_t(u32,
2445 (min_t(u32, 8, MAX_SKB_FRAGS) *
2446 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2447 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2448 SGE_PAGE_SHIFT;
2449 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2450 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2451 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2452 0xffff);
2453 }
2454
2455 /* pause - not for e1 */
2456 if (!CHIP_IS_E1(bp)) {
2457 pause->bd_th_hi = 350;
2458 pause->bd_th_lo = 250;
2459 pause->rcq_th_hi = 350;
2460 pause->rcq_th_lo = 250;
2461 pause->sge_th_hi = 0;
2462 pause->sge_th_lo = 0;
2463 pause->pri_map = 1;
2464 }
2465
2466 /* rxq setup */
2467 rxq_init->flags = flags;
2468 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2469 rxq_init->dscr_map = fp->rx_desc_mapping;
2470 rxq_init->sge_map = fp->rx_sge_mapping;
2471 rxq_init->rcq_map = fp->rx_comp_mapping;
2472 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002473
2474 /* Always use mini-jumbo MTU for FCoE L2 ring */
2475 if (IS_FCOE_FP(fp))
2476 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2477 else
2478 rxq_init->mtu = bp->dev->mtu;
2479
2480 rxq_init->buf_sz = fp->rx_buf_size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002481 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2482 rxq_init->cl_id = fp->cl_id;
2483 rxq_init->spcl_id = fp->cl_id;
2484 rxq_init->stat_id = fp->cl_id;
2485 rxq_init->tpa_agg_sz = tpa_agg_size;
2486 rxq_init->sge_buf_sz = sge_sz;
2487 rxq_init->max_sges_pkt = max_sge;
2488 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2489 rxq_init->fw_sb_id = fp->fw_sb_id;
2490
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002491 if (IS_FCOE_FP(fp))
2492 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2493 else
2494 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002495
2496 rxq_init->cid = HW_CID(bp, fp->cid);
2497
2498 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2499}
2500
2501static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2502 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2503{
2504 u16 flags = bnx2x_get_cl_flags(bp, fp);
2505
2506 txq_init->flags = flags;
2507 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2508 txq_init->dscr_map = fp->tx_desc_mapping;
2509 txq_init->stat_id = fp->cl_id;
2510 txq_init->cid = HW_CID(bp, fp->cid);
2511 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2512 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2513 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002514
2515 if (IS_FCOE_FP(fp)) {
2516 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2517 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2518 }
2519
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002520 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2521}
2522
stephen hemminger8d962862010-10-21 07:50:56 +00002523static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002524{
2525 struct bnx2x_func_init_params func_init = {0};
2526 struct bnx2x_rss_params rss = {0};
2527 struct event_ring_data eq_data = { {0} };
2528 u16 flags;
2529
2530 /* pf specific setups */
2531 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002532 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002533
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002534 if (CHIP_IS_E2(bp)) {
2535 /* reset IGU PF statistics: MSIX + ATTN */
2536 /* PF */
2537 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2538 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2539 (CHIP_MODE_IS_4_PORT(bp) ?
2540 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2541 /* ATTN */
2542 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2543 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2544 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2545 (CHIP_MODE_IS_4_PORT(bp) ?
2546 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2547 }
2548
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002549 /* function setup flags */
2550 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2551
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002552 if (CHIP_IS_E1x(bp))
2553 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2554 else
2555 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002556
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002557 /* function setup */
2558
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002559 /**
2560 * Although RSS is meaningless when there is a single HW queue we
2561 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002562 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002563 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2564 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2565 rss.mode = bp->multi_mode;
2566 rss.result_mask = MULTI_MASK;
2567 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002568
2569 func_init.func_flgs = flags;
2570 func_init.pf_id = BP_FUNC(bp);
2571 func_init.func_id = BP_FUNC(bp);
2572 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2573 func_init.spq_map = bp->spq_mapping;
2574 func_init.spq_prod = bp->spq_prod_idx;
2575
2576 bnx2x_func_init(bp, &func_init);
2577
2578 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2579
2580 /*
2581 Congestion management values depend on the link rate
2582 There is no active link so initial link rate is set to 10 Gbps.
2583 When the link comes up The congestion management values are
2584 re-calculated according to the actual link rate.
2585 */
2586 bp->link_vars.line_speed = SPEED_10000;
2587 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2588
2589 /* Only the PMF sets the HW */
2590 if (bp->port.pmf)
2591 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2592
2593 /* no rx until link is up */
2594 bp->rx_mode = BNX2X_RX_MODE_NONE;
2595 bnx2x_set_storm_rx_mode(bp);
2596
2597 /* init Event Queue */
2598 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2599 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2600 eq_data.producer = bp->eq_prod;
2601 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2602 eq_data.sb_id = DEF_SB_ID;
2603 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2604}
2605
2606
Eilon Greenstein2691d512009-08-12 08:22:08 +00002607static void bnx2x_e1h_disable(struct bnx2x *bp)
2608{
2609 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002610
2611 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002612
2613 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2614
Eilon Greenstein2691d512009-08-12 08:22:08 +00002615 netif_carrier_off(bp->dev);
2616}
2617
2618static void bnx2x_e1h_enable(struct bnx2x *bp)
2619{
2620 int port = BP_PORT(bp);
2621
2622 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2623
Eilon Greenstein2691d512009-08-12 08:22:08 +00002624 /* Tx queue should be only reenabled */
2625 netif_tx_wake_all_queues(bp->dev);
2626
Eilon Greenstein061bc702009-10-15 00:18:47 -07002627 /*
2628 * Should not call netif_carrier_on since it will be called if the link
2629 * is up when checking for link state
2630 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002631}
2632
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002633/* called due to MCP event (on pmf):
2634 * reread new bandwidth configuration
2635 * configure FW
2636 * notify others function about the change
2637 */
2638static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2639{
2640 if (bp->link_vars.link_up) {
2641 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2642 bnx2x_link_sync_notify(bp);
2643 }
2644 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2645}
2646
2647static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2648{
2649 bnx2x_config_mf_bw(bp);
2650 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2651}
2652
Eilon Greenstein2691d512009-08-12 08:22:08 +00002653static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2654{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002655 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002656
2657 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2658
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002659 /*
2660 * This is the only place besides the function initialization
2661 * where the bp->flags can change so it is done without any
2662 * locks
2663 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002664 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002665 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002666 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002667
2668 bnx2x_e1h_disable(bp);
2669 } else {
2670 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002671 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002672
2673 bnx2x_e1h_enable(bp);
2674 }
2675 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2676 }
2677 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002678 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002679 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2680 }
2681
2682 /* Report results to MCP */
2683 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002684 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002685 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002686 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002687}
2688
Michael Chan28912902009-10-10 13:46:53 +00002689/* must be called under the spq lock */
2690static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2691{
2692 struct eth_spe *next_spe = bp->spq_prod_bd;
2693
2694 if (bp->spq_prod_bd == bp->spq_last_bd) {
2695 bp->spq_prod_bd = bp->spq;
2696 bp->spq_prod_idx = 0;
2697 DP(NETIF_MSG_TIMER, "end of spq\n");
2698 } else {
2699 bp->spq_prod_bd++;
2700 bp->spq_prod_idx++;
2701 }
2702 return next_spe;
2703}
2704
2705/* must be called under the spq lock */
2706static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2707{
2708 int func = BP_FUNC(bp);
2709
2710 /* Make sure that BD data is updated before writing the producer */
2711 wmb();
2712
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002713 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002714 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002715 mmiowb();
2716}
2717
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002718/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002719int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002720 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002721{
Michael Chan28912902009-10-10 13:46:53 +00002722 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002723 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002724
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002725#ifdef BNX2X_STOP_ON_ERROR
2726 if (unlikely(bp->panic))
2727 return -EIO;
2728#endif
2729
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002730 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002731
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002732 if (common) {
2733 if (!atomic_read(&bp->eq_spq_left)) {
2734 BNX2X_ERR("BUG! EQ ring full!\n");
2735 spin_unlock_bh(&bp->spq_lock);
2736 bnx2x_panic();
2737 return -EBUSY;
2738 }
2739 } else if (!atomic_read(&bp->cq_spq_left)) {
2740 BNX2X_ERR("BUG! SPQ ring full!\n");
2741 spin_unlock_bh(&bp->spq_lock);
2742 bnx2x_panic();
2743 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002744 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002745
Michael Chan28912902009-10-10 13:46:53 +00002746 spe = bnx2x_sp_get_next(bp);
2747
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002748 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002749 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002750 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2751 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002752
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002753 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002754 /* Common ramrods:
2755 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2756 * TRAFFIC_STOP, TRAFFIC_START
2757 */
2758 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2759 & SPE_HDR_CONN_TYPE;
2760 else
2761 /* ETH ramrods: SETUP, HALT */
2762 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2763 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002764
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002765 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2766 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002767
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002768 spe->hdr.type = cpu_to_le16(type);
2769
2770 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2771 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2772
2773 /* stats ramrod has it's own slot on the spq */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002774 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002775 /* It's ok if the actual decrement is issued towards the memory
2776 * somewhere between the spin_lock and spin_unlock. Thus no
2777 * more explict memory barrier is needed.
2778 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002779 if (common)
2780 atomic_dec(&bp->eq_spq_left);
2781 else
2782 atomic_dec(&bp->cq_spq_left);
2783 }
2784
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002785
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002786 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002787 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002788 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002789 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2790 (u32)(U64_LO(bp->spq_mapping) +
2791 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002792 HW_CID(bp, cid), data_hi, data_lo, type,
2793 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002794
Michael Chan28912902009-10-10 13:46:53 +00002795 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002796 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002797 return 0;
2798}
2799
2800/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002801static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002802{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002803 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002804 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002805
2806 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002807 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002808 val = (1UL << 31);
2809 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2810 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2811 if (val & (1L << 31))
2812 break;
2813
2814 msleep(5);
2815 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002816 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002817 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002818 rc = -EBUSY;
2819 }
2820
2821 return rc;
2822}
2823
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002824/* release split MCP access lock register */
2825static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002826{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002827 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002828}
2829
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002830#define BNX2X_DEF_SB_ATT_IDX 0x0001
2831#define BNX2X_DEF_SB_IDX 0x0002
2832
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002833static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2834{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002835 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002836 u16 rc = 0;
2837
2838 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002839 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2840 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002841 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002842 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002843
2844 if (bp->def_idx != def_sb->sp_sb.running_index) {
2845 bp->def_idx = def_sb->sp_sb.running_index;
2846 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002847 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002848
2849 /* Do not reorder: indecies reading should complete before handling */
2850 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002851 return rc;
2852}
2853
2854/*
2855 * slow path service functions
2856 */
2857
2858static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2859{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002860 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002861 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2862 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002863 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2864 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002865 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002866 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002867 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002868
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002869 if (bp->attn_state & asserted)
2870 BNX2X_ERR("IGU ERROR\n");
2871
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002872 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2873 aeu_mask = REG_RD(bp, aeu_addr);
2874
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002875 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002876 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002877 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002878 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002879
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002880 REG_WR(bp, aeu_addr, aeu_mask);
2881 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002882
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002883 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002884 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002885 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002886
2887 if (asserted & ATTN_HARD_WIRED_MASK) {
2888 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002889
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002890 bnx2x_acquire_phy_lock(bp);
2891
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002892 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002893 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002894 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002895
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002896 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002897
2898 /* handle unicore attn? */
2899 }
2900 if (asserted & ATTN_SW_TIMER_4_FUNC)
2901 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2902
2903 if (asserted & GPIO_2_FUNC)
2904 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2905
2906 if (asserted & GPIO_3_FUNC)
2907 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2908
2909 if (asserted & GPIO_4_FUNC)
2910 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2911
2912 if (port == 0) {
2913 if (asserted & ATTN_GENERAL_ATTN_1) {
2914 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2915 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2916 }
2917 if (asserted & ATTN_GENERAL_ATTN_2) {
2918 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2919 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2920 }
2921 if (asserted & ATTN_GENERAL_ATTN_3) {
2922 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2923 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2924 }
2925 } else {
2926 if (asserted & ATTN_GENERAL_ATTN_4) {
2927 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2928 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2929 }
2930 if (asserted & ATTN_GENERAL_ATTN_5) {
2931 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2932 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2933 }
2934 if (asserted & ATTN_GENERAL_ATTN_6) {
2935 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2936 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2937 }
2938 }
2939
2940 } /* if hardwired */
2941
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002942 if (bp->common.int_block == INT_BLOCK_HC)
2943 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2944 COMMAND_REG_ATTN_BITS_SET);
2945 else
2946 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2947
2948 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2949 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2950 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002951
2952 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002953 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002954 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002955 bnx2x_release_phy_lock(bp);
2956 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002957}
2958
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002959static inline void bnx2x_fan_failure(struct bnx2x *bp)
2960{
2961 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002962 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002963 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002964 ext_phy_config =
2965 SHMEM_RD(bp,
2966 dev_info.port_hw_config[port].external_phy_config);
2967
2968 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2969 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002970 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002971 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002972
2973 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002974 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2975 " the driver to shutdown the card to prevent permanent"
2976 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002977}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002978
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002979static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2980{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002981 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002982 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002983 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002984
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002985 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2986 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002987
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002988 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002989
2990 val = REG_RD(bp, reg_offset);
2991 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2992 REG_WR(bp, reg_offset, val);
2993
2994 BNX2X_ERR("SPIO5 hw attention\n");
2995
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002996 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002997 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002998 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002999 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003000
Eilon Greenstein589abe32009-02-12 08:36:55 +00003001 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
3002 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
3003 bnx2x_acquire_phy_lock(bp);
3004 bnx2x_handle_module_detect_int(&bp->link_params);
3005 bnx2x_release_phy_lock(bp);
3006 }
3007
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003008 if (attn & HW_INTERRUT_ASSERT_SET_0) {
3009
3010 val = REG_RD(bp, reg_offset);
3011 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
3012 REG_WR(bp, reg_offset, val);
3013
3014 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003015 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003016 bnx2x_panic();
3017 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003018}
3019
3020static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
3021{
3022 u32 val;
3023
Eilon Greenstein0626b892009-02-12 08:38:14 +00003024 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003025
3026 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3027 BNX2X_ERR("DB hw attention 0x%x\n", val);
3028 /* DORQ discard attention */
3029 if (val & 0x2)
3030 BNX2X_ERR("FATAL error from DORQ\n");
3031 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003032
3033 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3034
3035 int port = BP_PORT(bp);
3036 int reg_offset;
3037
3038 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3039 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3040
3041 val = REG_RD(bp, reg_offset);
3042 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3043 REG_WR(bp, reg_offset, val);
3044
3045 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003046 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003047 bnx2x_panic();
3048 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003049}
3050
3051static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3052{
3053 u32 val;
3054
3055 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3056
3057 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3058 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3059 /* CFC error attention */
3060 if (val & 0x2)
3061 BNX2X_ERR("FATAL error from CFC\n");
3062 }
3063
3064 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3065
3066 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3067 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3068 /* RQ_USDMDP_FIFO_OVERFLOW */
3069 if (val & 0x18000)
3070 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003071 if (CHIP_IS_E2(bp)) {
3072 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3073 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3074 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003075 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003076
3077 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3078
3079 int port = BP_PORT(bp);
3080 int reg_offset;
3081
3082 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3083 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3084
3085 val = REG_RD(bp, reg_offset);
3086 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3087 REG_WR(bp, reg_offset, val);
3088
3089 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003090 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003091 bnx2x_panic();
3092 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003093}
3094
3095static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3096{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003097 u32 val;
3098
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003099 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3100
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003101 if (attn & BNX2X_PMF_LINK_ASSERT) {
3102 int func = BP_FUNC(bp);
3103
3104 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003105 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3106 func_mf_config[BP_ABS_FUNC(bp)].config);
3107 val = SHMEM_RD(bp,
3108 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003109 if (val & DRV_STATUS_DCC_EVENT_MASK)
3110 bnx2x_dcc_event(bp,
3111 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003112
3113 if (val & DRV_STATUS_SET_MF_BW)
3114 bnx2x_set_mf_bw(bp);
3115
Eilon Greenstein2691d512009-08-12 08:22:08 +00003116 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003117 bnx2x_pmf_update(bp);
3118
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00003119 /* Always call it here: bnx2x_link_report() will
3120 * prevent the link indication duplication.
3121 */
3122 bnx2x__link_status_update(bp);
3123
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003124 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003125 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3126 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003127 /* start dcbx state machine */
3128 bnx2x_dcbx_set_params(bp,
3129 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003130 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003131
3132 BNX2X_ERR("MC assert!\n");
3133 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3134 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3135 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3136 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3137 bnx2x_panic();
3138
3139 } else if (attn & BNX2X_MCP_ASSERT) {
3140
3141 BNX2X_ERR("MCP assert!\n");
3142 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003143 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003144
3145 } else
3146 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3147 }
3148
3149 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003150 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3151 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003152 val = CHIP_IS_E1(bp) ? 0 :
3153 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003154 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3155 }
3156 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003157 val = CHIP_IS_E1(bp) ? 0 :
3158 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003159 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3160 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003161 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003162 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003163}
3164
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003165#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3166#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3167#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3168#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3169#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003170
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003171/*
3172 * should be run under rtnl lock
3173 */
3174static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3175{
3176 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3177 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3178 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3179 barrier();
3180 mmiowb();
3181}
3182
3183/*
3184 * should be run under rtnl lock
3185 */
3186static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3187{
3188 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3189 val |= (1 << 16);
3190 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3191 barrier();
3192 mmiowb();
3193}
3194
3195/*
3196 * should be run under rtnl lock
3197 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003198bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003199{
3200 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3201 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3202 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3203}
3204
3205/*
3206 * should be run under rtnl lock
3207 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003208inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003209{
3210 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3211
3212 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3213
3214 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3215 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3216 barrier();
3217 mmiowb();
3218}
3219
3220/*
3221 * should be run under rtnl lock
3222 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003223u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003224{
3225 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3226
3227 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3228
3229 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3230 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3231 barrier();
3232 mmiowb();
3233
3234 return val1;
3235}
3236
3237/*
3238 * should be run under rtnl lock
3239 */
3240static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3241{
3242 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3243}
3244
3245static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3246{
3247 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3248 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3249}
3250
3251static inline void _print_next_block(int idx, const char *blk)
3252{
3253 if (idx)
3254 pr_cont(", ");
3255 pr_cont("%s", blk);
3256}
3257
3258static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3259{
3260 int i = 0;
3261 u32 cur_bit = 0;
3262 for (i = 0; sig; i++) {
3263 cur_bit = ((u32)0x1 << i);
3264 if (sig & cur_bit) {
3265 switch (cur_bit) {
3266 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3267 _print_next_block(par_num++, "BRB");
3268 break;
3269 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3270 _print_next_block(par_num++, "PARSER");
3271 break;
3272 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3273 _print_next_block(par_num++, "TSDM");
3274 break;
3275 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3276 _print_next_block(par_num++, "SEARCHER");
3277 break;
3278 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3279 _print_next_block(par_num++, "TSEMI");
3280 break;
3281 }
3282
3283 /* Clear the bit */
3284 sig &= ~cur_bit;
3285 }
3286 }
3287
3288 return par_num;
3289}
3290
3291static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3292{
3293 int i = 0;
3294 u32 cur_bit = 0;
3295 for (i = 0; sig; i++) {
3296 cur_bit = ((u32)0x1 << i);
3297 if (sig & cur_bit) {
3298 switch (cur_bit) {
3299 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3300 _print_next_block(par_num++, "PBCLIENT");
3301 break;
3302 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3303 _print_next_block(par_num++, "QM");
3304 break;
3305 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3306 _print_next_block(par_num++, "XSDM");
3307 break;
3308 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3309 _print_next_block(par_num++, "XSEMI");
3310 break;
3311 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3312 _print_next_block(par_num++, "DOORBELLQ");
3313 break;
3314 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3315 _print_next_block(par_num++, "VAUX PCI CORE");
3316 break;
3317 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3318 _print_next_block(par_num++, "DEBUG");
3319 break;
3320 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3321 _print_next_block(par_num++, "USDM");
3322 break;
3323 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3324 _print_next_block(par_num++, "USEMI");
3325 break;
3326 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3327 _print_next_block(par_num++, "UPB");
3328 break;
3329 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3330 _print_next_block(par_num++, "CSDM");
3331 break;
3332 }
3333
3334 /* Clear the bit */
3335 sig &= ~cur_bit;
3336 }
3337 }
3338
3339 return par_num;
3340}
3341
3342static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3343{
3344 int i = 0;
3345 u32 cur_bit = 0;
3346 for (i = 0; sig; i++) {
3347 cur_bit = ((u32)0x1 << i);
3348 if (sig & cur_bit) {
3349 switch (cur_bit) {
3350 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3351 _print_next_block(par_num++, "CSEMI");
3352 break;
3353 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3354 _print_next_block(par_num++, "PXP");
3355 break;
3356 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3357 _print_next_block(par_num++,
3358 "PXPPCICLOCKCLIENT");
3359 break;
3360 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3361 _print_next_block(par_num++, "CFC");
3362 break;
3363 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3364 _print_next_block(par_num++, "CDU");
3365 break;
3366 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3367 _print_next_block(par_num++, "IGU");
3368 break;
3369 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3370 _print_next_block(par_num++, "MISC");
3371 break;
3372 }
3373
3374 /* Clear the bit */
3375 sig &= ~cur_bit;
3376 }
3377 }
3378
3379 return par_num;
3380}
3381
3382static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3383{
3384 int i = 0;
3385 u32 cur_bit = 0;
3386 for (i = 0; sig; i++) {
3387 cur_bit = ((u32)0x1 << i);
3388 if (sig & cur_bit) {
3389 switch (cur_bit) {
3390 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3391 _print_next_block(par_num++, "MCP ROM");
3392 break;
3393 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3394 _print_next_block(par_num++, "MCP UMP RX");
3395 break;
3396 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3397 _print_next_block(par_num++, "MCP UMP TX");
3398 break;
3399 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3400 _print_next_block(par_num++, "MCP SCPAD");
3401 break;
3402 }
3403
3404 /* Clear the bit */
3405 sig &= ~cur_bit;
3406 }
3407 }
3408
3409 return par_num;
3410}
3411
3412static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3413 u32 sig2, u32 sig3)
3414{
3415 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3416 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3417 int par_num = 0;
3418 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3419 "[0]:0x%08x [1]:0x%08x "
3420 "[2]:0x%08x [3]:0x%08x\n",
3421 sig0 & HW_PRTY_ASSERT_SET_0,
3422 sig1 & HW_PRTY_ASSERT_SET_1,
3423 sig2 & HW_PRTY_ASSERT_SET_2,
3424 sig3 & HW_PRTY_ASSERT_SET_3);
3425 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3426 bp->dev->name);
3427 par_num = bnx2x_print_blocks_with_parity0(
3428 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3429 par_num = bnx2x_print_blocks_with_parity1(
3430 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3431 par_num = bnx2x_print_blocks_with_parity2(
3432 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3433 par_num = bnx2x_print_blocks_with_parity3(
3434 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3435 printk("\n");
3436 return true;
3437 } else
3438 return false;
3439}
3440
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003441bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003442{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003443 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003444 int port = BP_PORT(bp);
3445
3446 attn.sig[0] = REG_RD(bp,
3447 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3448 port*4);
3449 attn.sig[1] = REG_RD(bp,
3450 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3451 port*4);
3452 attn.sig[2] = REG_RD(bp,
3453 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3454 port*4);
3455 attn.sig[3] = REG_RD(bp,
3456 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3457 port*4);
3458
3459 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3460 attn.sig[3]);
3461}
3462
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003463
3464static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3465{
3466 u32 val;
3467 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3468
3469 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3470 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3471 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3472 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3473 "ADDRESS_ERROR\n");
3474 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3475 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3476 "INCORRECT_RCV_BEHAVIOR\n");
3477 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3478 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3479 "WAS_ERROR_ATTN\n");
3480 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3481 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3482 "VF_LENGTH_VIOLATION_ATTN\n");
3483 if (val &
3484 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3485 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3486 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3487 if (val &
3488 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3489 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3490 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3491 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3492 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3493 "TCPL_ERROR_ATTN\n");
3494 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3495 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3496 "TCPL_IN_TWO_RCBS_ATTN\n");
3497 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3498 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3499 "CSSNOOP_FIFO_OVERFLOW\n");
3500 }
3501 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3502 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3503 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3504 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3505 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3506 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3507 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3508 "_ATC_TCPL_TO_NOT_PEND\n");
3509 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3510 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3511 "ATC_GPA_MULTIPLE_HITS\n");
3512 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3513 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3514 "ATC_RCPL_TO_EMPTY_CNT\n");
3515 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3516 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3517 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3518 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3519 "ATC_IREQ_LESS_THAN_STU\n");
3520 }
3521
3522 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3523 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3524 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3525 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3526 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3527 }
3528
3529}
3530
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003531static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3532{
3533 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003534 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003535 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003536 u32 reg_addr;
3537 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003538 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003539
3540 /* need to take HW lock because MCP or other port might also
3541 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003542 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003543
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003544 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003545 bp->recovery_state = BNX2X_RECOVERY_INIT;
3546 bnx2x_set_reset_in_progress(bp);
3547 schedule_delayed_work(&bp->reset_task, 0);
3548 /* Disable HW interrupts */
3549 bnx2x_int_disable(bp);
3550 bnx2x_release_alr(bp);
3551 /* In case of parity errors don't handle attentions so that
3552 * other function would "see" parity errors.
3553 */
3554 return;
3555 }
3556
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003557 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3558 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3559 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3560 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003561 if (CHIP_IS_E2(bp))
3562 attn.sig[4] =
3563 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3564 else
3565 attn.sig[4] = 0;
3566
3567 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3568 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003569
3570 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3571 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003572 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003573
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003574 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3575 "%08x %08x %08x\n",
3576 index,
3577 group_mask->sig[0], group_mask->sig[1],
3578 group_mask->sig[2], group_mask->sig[3],
3579 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003580
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003581 bnx2x_attn_int_deasserted4(bp,
3582 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003583 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003584 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003585 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003586 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003587 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003588 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003589 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003590 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003591 }
3592 }
3593
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003594 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003595
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003596 if (bp->common.int_block == INT_BLOCK_HC)
3597 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3598 COMMAND_REG_ATTN_BITS_CLR);
3599 else
3600 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003601
3602 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003603 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3604 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003605 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003606
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003607 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003608 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003609
3610 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3611 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3612
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003613 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3614 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003615
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003616 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3617 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003618 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003619 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3620
3621 REG_WR(bp, reg_addr, aeu_mask);
3622 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003623
3624 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3625 bp->attn_state &= ~deasserted;
3626 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3627}
3628
3629static void bnx2x_attn_int(struct bnx2x *bp)
3630{
3631 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003632 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3633 attn_bits);
3634 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3635 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003636 u32 attn_state = bp->attn_state;
3637
3638 /* look for changed bits */
3639 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3640 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3641
3642 DP(NETIF_MSG_HW,
3643 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3644 attn_bits, attn_ack, asserted, deasserted);
3645
3646 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003647 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003648
3649 /* handle bits that were raised */
3650 if (asserted)
3651 bnx2x_attn_int_asserted(bp, asserted);
3652
3653 if (deasserted)
3654 bnx2x_attn_int_deasserted(bp, deasserted);
3655}
3656
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003657static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3658{
3659 /* No memory barriers */
3660 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3661 mmiowb(); /* keep prod updates ordered */
3662}
3663
3664#ifdef BCM_CNIC
3665static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3666 union event_ring_elem *elem)
3667{
3668 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00003669 (cid < bp->cnic_eth_dev.starting_cid &&
3670 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003671 return 1;
3672
3673 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3674
3675 if (unlikely(elem->message.data.cfc_del_event.error)) {
3676 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3677 cid);
3678 bnx2x_panic_dump(bp);
3679 }
3680 bnx2x_cnic_cfc_comp(bp, cid);
3681 return 0;
3682}
3683#endif
3684
3685static void bnx2x_eq_int(struct bnx2x *bp)
3686{
3687 u16 hw_cons, sw_cons, sw_prod;
3688 union event_ring_elem *elem;
3689 u32 cid;
3690 u8 opcode;
3691 int spqe_cnt = 0;
3692
3693 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3694
3695 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3696 * when we get the the next-page we nned to adjust so the loop
3697 * condition below will be met. The next element is the size of a
3698 * regular element and hence incrementing by 1
3699 */
3700 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3701 hw_cons++;
3702
Lucas De Marchi25985ed2011-03-30 22:57:33 -03003703 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003704 * specific bp, thus there is no need in "paired" read memory
3705 * barrier here.
3706 */
3707 sw_cons = bp->eq_cons;
3708 sw_prod = bp->eq_prod;
3709
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003710 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->cq_spq_left %u\n",
3711 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003712
3713 for (; sw_cons != hw_cons;
3714 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3715
3716
3717 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3718
3719 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3720 opcode = elem->message.opcode;
3721
3722
3723 /* handle eq element */
3724 switch (opcode) {
3725 case EVENT_RING_OPCODE_STAT_QUERY:
3726 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3727 /* nothing to do with stats comp */
3728 continue;
3729
3730 case EVENT_RING_OPCODE_CFC_DEL:
3731 /* handle according to cid range */
3732 /*
3733 * we may want to verify here that the bp state is
3734 * HALTING
3735 */
3736 DP(NETIF_MSG_IFDOWN,
3737 "got delete ramrod for MULTI[%d]\n", cid);
3738#ifdef BCM_CNIC
3739 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3740 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003741 if (cid == BNX2X_FCOE_ETH_CID)
3742 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3743 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003744#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003745 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003746 BNX2X_FP_STATE_CLOSED;
3747
3748 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003749
3750 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3751 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3752 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3753 goto next_spqe;
3754 case EVENT_RING_OPCODE_START_TRAFFIC:
3755 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3756 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3757 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003758 }
3759
3760 switch (opcode | bp->state) {
3761 case (EVENT_RING_OPCODE_FUNCTION_START |
3762 BNX2X_STATE_OPENING_WAIT4_PORT):
3763 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3764 bp->state = BNX2X_STATE_FUNC_STARTED;
3765 break;
3766
3767 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3768 BNX2X_STATE_CLOSING_WAIT4_HALT):
3769 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3770 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3771 break;
3772
3773 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3774 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3775 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003776 if (elem->message.data.set_mac_event.echo)
3777 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003778 break;
3779
3780 case (EVENT_RING_OPCODE_SET_MAC |
3781 BNX2X_STATE_CLOSING_WAIT4_HALT):
3782 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003783 if (elem->message.data.set_mac_event.echo)
3784 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003785 break;
3786 default:
3787 /* unknown event log error and continue */
3788 BNX2X_ERR("Unknown EQ event %d\n",
3789 elem->message.opcode);
3790 }
3791next_spqe:
3792 spqe_cnt++;
3793 } /* for */
3794
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003795 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003796 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003797
3798 bp->eq_cons = sw_cons;
3799 bp->eq_prod = sw_prod;
3800 /* Make sure that above mem writes were issued towards the memory */
3801 smp_wmb();
3802
3803 /* update producer */
3804 bnx2x_update_eq_prod(bp, bp->eq_prod);
3805}
3806
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003807static void bnx2x_sp_task(struct work_struct *work)
3808{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003809 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003810 u16 status;
3811
3812 /* Return here if interrupt is disabled */
3813 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003814 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003815 return;
3816 }
3817
3818 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003819/* if (status == 0) */
3820/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003821
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003822 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003823
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003824 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003825 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003826 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003827 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003828 }
3829
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003830 /* SP events: STAT_QUERY and others */
3831 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003832#ifdef BCM_CNIC
3833 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003834
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003835 if ((!NO_FCOE(bp)) &&
3836 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3837 napi_schedule(&bnx2x_fcoe(bp, napi));
3838#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003839 /* Handle EQ completions */
3840 bnx2x_eq_int(bp);
3841
3842 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3843 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3844
3845 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003846 }
3847
3848 if (unlikely(status))
3849 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3850 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003851
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003852 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3853 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003854}
3855
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003856irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003857{
3858 struct net_device *dev = dev_instance;
3859 struct bnx2x *bp = netdev_priv(dev);
3860
3861 /* Return here if interrupt is disabled */
3862 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003863 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003864 return IRQ_HANDLED;
3865 }
3866
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003867 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3868 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003869
3870#ifdef BNX2X_STOP_ON_ERROR
3871 if (unlikely(bp->panic))
3872 return IRQ_HANDLED;
3873#endif
3874
Michael Chan993ac7b2009-10-10 13:46:56 +00003875#ifdef BCM_CNIC
3876 {
3877 struct cnic_ops *c_ops;
3878
3879 rcu_read_lock();
3880 c_ops = rcu_dereference(bp->cnic_ops);
3881 if (c_ops)
3882 c_ops->cnic_handler(bp->cnic_data, NULL);
3883 rcu_read_unlock();
3884 }
3885#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003886 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003887
3888 return IRQ_HANDLED;
3889}
3890
3891/* end of slow path */
3892
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003893static void bnx2x_timer(unsigned long data)
3894{
3895 struct bnx2x *bp = (struct bnx2x *) data;
3896
3897 if (!netif_running(bp->dev))
3898 return;
3899
3900 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003901 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003902
3903 if (poll) {
3904 struct bnx2x_fastpath *fp = &bp->fp[0];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003905
Eilon Greenstein7961f792009-03-02 07:59:31 +00003906 bnx2x_tx_int(fp);
David S. Millerb8ee8322011-04-17 16:56:12 -07003907 bnx2x_rx_int(fp, 1000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003908 }
3909
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003910 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003911 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003912 u32 drv_pulse;
3913 u32 mcp_pulse;
3914
3915 ++bp->fw_drv_pulse_wr_seq;
3916 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3917 /* TBD - add SYSTEM_TIME */
3918 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003919 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003920
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003921 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003922 MCP_PULSE_SEQ_MASK);
3923 /* The delta between driver pulse and mcp response
3924 * should be 1 (before mcp response) or 0 (after mcp response)
3925 */
3926 if ((drv_pulse != mcp_pulse) &&
3927 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3928 /* someone lost a heartbeat... */
3929 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3930 drv_pulse, mcp_pulse);
3931 }
3932 }
3933
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003934 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003935 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003936
Eliezer Tamirf1410642008-02-28 11:51:50 -08003937timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003938 mod_timer(&bp->timer, jiffies + bp->current_interval);
3939}
3940
3941/* end of Statistics */
3942
3943/* nic init */
3944
3945/*
3946 * nic init service functions
3947 */
3948
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003949static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003950{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003951 u32 i;
3952 if (!(len%4) && !(addr%4))
3953 for (i = 0; i < len; i += 4)
3954 REG_WR(bp, addr + i, fill);
3955 else
3956 for (i = 0; i < len; i++)
3957 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003958
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003959}
3960
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003961/* helper: writes FP SP data to FW - data_size in dwords */
3962static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3963 int fw_sb_id,
3964 u32 *sb_data_p,
3965 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003966{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003967 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003968 for (index = 0; index < data_size; index++)
3969 REG_WR(bp, BAR_CSTRORM_INTMEM +
3970 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3971 sizeof(u32)*index,
3972 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003973}
3974
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003975static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3976{
3977 u32 *sb_data_p;
3978 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003979 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003980 struct hc_status_block_data_e1x sb_data_e1x;
3981
3982 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003983 if (CHIP_IS_E2(bp)) {
3984 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3985 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3986 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3987 sb_data_e2.common.p_func.vf_valid = false;
3988 sb_data_p = (u32 *)&sb_data_e2;
3989 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3990 } else {
3991 memset(&sb_data_e1x, 0,
3992 sizeof(struct hc_status_block_data_e1x));
3993 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3994 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3995 sb_data_e1x.common.p_func.vf_valid = false;
3996 sb_data_p = (u32 *)&sb_data_e1x;
3997 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3998 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003999 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4000
4001 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4002 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
4003 CSTORM_STATUS_BLOCK_SIZE);
4004 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4005 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
4006 CSTORM_SYNC_BLOCK_SIZE);
4007}
4008
4009/* helper: writes SP SB data to FW */
4010static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
4011 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004012{
4013 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004014 int i;
4015 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
4016 REG_WR(bp, BAR_CSTRORM_INTMEM +
4017 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
4018 i*sizeof(u32),
4019 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004020}
4021
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004022static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4023{
4024 int func = BP_FUNC(bp);
4025 struct hc_sp_status_block_data sp_sb_data;
4026 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4027
4028 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
4029 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
4030 sp_sb_data.p_func.vf_valid = false;
4031
4032 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4033
4034 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4035 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
4036 CSTORM_SP_STATUS_BLOCK_SIZE);
4037 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4038 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4039 CSTORM_SP_SYNC_BLOCK_SIZE);
4040
4041}
4042
4043
4044static inline
4045void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4046 int igu_sb_id, int igu_seg_id)
4047{
4048 hc_sm->igu_sb_id = igu_sb_id;
4049 hc_sm->igu_seg_id = igu_seg_id;
4050 hc_sm->timer_value = 0xFF;
4051 hc_sm->time_to_expire = 0xFFFFFFFF;
4052}
4053
stephen hemminger8d962862010-10-21 07:50:56 +00004054static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004055 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4056{
4057 int igu_seg_id;
4058
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004059 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004060 struct hc_status_block_data_e1x sb_data_e1x;
4061 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004062 int data_size;
4063 u32 *sb_data_p;
4064
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004065 if (CHIP_INT_MODE_IS_BC(bp))
4066 igu_seg_id = HC_SEG_ACCESS_NORM;
4067 else
4068 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004069
4070 bnx2x_zero_fp_sb(bp, fw_sb_id);
4071
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004072 if (CHIP_IS_E2(bp)) {
4073 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4074 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4075 sb_data_e2.common.p_func.vf_id = vfid;
4076 sb_data_e2.common.p_func.vf_valid = vf_valid;
4077 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4078 sb_data_e2.common.same_igu_sb_1b = true;
4079 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4080 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4081 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004082 sb_data_p = (u32 *)&sb_data_e2;
4083 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4084 } else {
4085 memset(&sb_data_e1x, 0,
4086 sizeof(struct hc_status_block_data_e1x));
4087 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4088 sb_data_e1x.common.p_func.vf_id = 0xff;
4089 sb_data_e1x.common.p_func.vf_valid = false;
4090 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4091 sb_data_e1x.common.same_igu_sb_1b = true;
4092 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4093 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4094 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004095 sb_data_p = (u32 *)&sb_data_e1x;
4096 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4097 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004098
4099 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4100 igu_sb_id, igu_seg_id);
4101 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4102 igu_sb_id, igu_seg_id);
4103
4104 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4105
4106 /* write indecies to HW */
4107 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4108}
4109
4110static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4111 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004112{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004113 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004114 u8 ticks = usec / BNX2X_BTR;
4115
4116 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4117
4118 disable = disable ? 1 : (usec ? 0 : 1);
4119 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4120}
4121
4122static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4123 u16 tx_usec, u16 rx_usec)
4124{
4125 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4126 false, rx_usec);
4127 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4128 false, tx_usec);
4129}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004130
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004131static void bnx2x_init_def_sb(struct bnx2x *bp)
4132{
4133 struct host_sp_status_block *def_sb = bp->def_status_blk;
4134 dma_addr_t mapping = bp->def_status_blk_mapping;
4135 int igu_sp_sb_index;
4136 int igu_seg_id;
4137 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004138 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004139 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004140 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004141 int index;
4142 struct hc_sp_status_block_data sp_sb_data;
4143 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4144
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004145 if (CHIP_INT_MODE_IS_BC(bp)) {
4146 igu_sp_sb_index = DEF_SB_IGU_ID;
4147 igu_seg_id = HC_SEG_ACCESS_DEF;
4148 } else {
4149 igu_sp_sb_index = bp->igu_dsb_id;
4150 igu_seg_id = IGU_SEG_ACCESS_DEF;
4151 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004152
4153 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004154 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004155 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004156 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004157
Eliezer Tamir49d66772008-02-28 11:53:13 -08004158 bp->attn_state = 0;
4159
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004160 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4161 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004162 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004163 int sindex;
4164 /* take care of sig[0]..sig[4] */
4165 for (sindex = 0; sindex < 4; sindex++)
4166 bp->attn_group[index].sig[sindex] =
4167 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004168
4169 if (CHIP_IS_E2(bp))
4170 /*
4171 * enable5 is separate from the rest of the registers,
4172 * and therefore the address skip is 4
4173 * and not 16 between the different groups
4174 */
4175 bp->attn_group[index].sig[4] = REG_RD(bp,
4176 reg_offset + 0x10 + 0x4*index);
4177 else
4178 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004179 }
4180
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004181 if (bp->common.int_block == INT_BLOCK_HC) {
4182 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4183 HC_REG_ATTN_MSG0_ADDR_L);
4184
4185 REG_WR(bp, reg_offset, U64_LO(section));
4186 REG_WR(bp, reg_offset + 4, U64_HI(section));
4187 } else if (CHIP_IS_E2(bp)) {
4188 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4189 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4190 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004191
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004192 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4193 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004194
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004195 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004196
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004197 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4198 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4199 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4200 sp_sb_data.igu_seg_id = igu_seg_id;
4201 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004202 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004203 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004204
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004205 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004206
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004207 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004208 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004209
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004210 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004211}
4212
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004213void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004214{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004215 int i;
4216
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004217 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004218 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07004219 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004220}
4221
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004222static void bnx2x_init_sp_ring(struct bnx2x *bp)
4223{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004224 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004225 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004226
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004227 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004228 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4229 bp->spq_prod_bd = bp->spq;
4230 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004231}
4232
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004233static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004234{
4235 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004236 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4237 union event_ring_elem *elem =
4238 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004239
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004240 elem->next_page.addr.hi =
4241 cpu_to_le32(U64_HI(bp->eq_mapping +
4242 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4243 elem->next_page.addr.lo =
4244 cpu_to_le32(U64_LO(bp->eq_mapping +
4245 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004246 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004247 bp->eq_cons = 0;
4248 bp->eq_prod = NUM_EQ_DESC;
4249 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004250 /* we want a warning message before it gets rought... */
4251 atomic_set(&bp->eq_spq_left,
4252 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004253}
4254
Tom Herbertab532cf2011-02-16 10:27:02 +00004255void bnx2x_push_indir_table(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004256{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004257 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004258 int i;
4259
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004260 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004261 return;
4262
4263 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004264 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004265 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Tom Herbertab532cf2011-02-16 10:27:02 +00004266 bp->fp->cl_id + bp->rx_indir_table[i]);
4267}
4268
4269static void bnx2x_init_ind_table(struct bnx2x *bp)
4270{
4271 int i;
4272
4273 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4274 bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);
4275
4276 bnx2x_push_indir_table(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004277}
4278
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004279void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004280{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004281 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004282 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004283 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004284 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004285
Eilon Greenstein581ce432009-07-29 00:20:04 +00004286 /* All but management unicast packets should pass to the host as well */
4287 u32 llh_mask =
4288 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4289 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4290 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4291 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004292
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004293 switch (mode) {
4294 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004295 def_q_filters = BNX2X_ACCEPT_NONE;
4296#ifdef BCM_CNIC
4297 if (!NO_FCOE(bp)) {
4298 cl_id = bnx2x_fcoe(bp, cl_id);
4299 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4300 }
4301#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004302 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004303
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004304 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004305 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4306 BNX2X_ACCEPT_MULTICAST;
4307#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004308 if (!NO_FCOE(bp)) {
4309 cl_id = bnx2x_fcoe(bp, cl_id);
4310 bnx2x_rxq_set_mac_filters(bp, cl_id,
4311 BNX2X_ACCEPT_UNICAST |
4312 BNX2X_ACCEPT_MULTICAST);
4313 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004314#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004315 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004316
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004317 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004318 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4319 BNX2X_ACCEPT_ALL_MULTICAST;
4320#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004321 /*
4322 * Prevent duplication of multicast packets by configuring FCoE
4323 * L2 Client to receive only matched unicast frames.
4324 */
4325 if (!NO_FCOE(bp)) {
4326 cl_id = bnx2x_fcoe(bp, cl_id);
4327 bnx2x_rxq_set_mac_filters(bp, cl_id,
4328 BNX2X_ACCEPT_UNICAST);
4329 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004330#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004331 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004332
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004333 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004334 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4335#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004336 /*
4337 * Prevent packets duplication by configuring DROP_ALL for FCoE
4338 * L2 Client.
4339 */
4340 if (!NO_FCOE(bp)) {
4341 cl_id = bnx2x_fcoe(bp, cl_id);
4342 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4343 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004344#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004345 /* pass management unicast packets as well */
4346 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004347 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004348
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004349 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004350 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4351 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004352 }
4353
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004354 cl_id = BP_L_ID(bp);
4355 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4356
Eilon Greenstein581ce432009-07-29 00:20:04 +00004357 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004358 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4359 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004360
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004361 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4362 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004363 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4364 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004365 bp->mac_filters.ucast_drop_all,
4366 bp->mac_filters.mcast_drop_all,
4367 bp->mac_filters.bcast_drop_all,
4368 bp->mac_filters.ucast_accept_all,
4369 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004370 bp->mac_filters.bcast_accept_all,
4371 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004372 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004373
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004374 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004375}
4376
Eilon Greenstein471de712008-08-13 15:49:35 -07004377static void bnx2x_init_internal_common(struct bnx2x *bp)
4378{
4379 int i;
4380
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004381 if (!CHIP_IS_E1(bp)) {
4382
4383 /* xstorm needs to know whether to add ovlan to packets or not,
4384 * in switch-independent we'll write 0 to here... */
4385 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004386 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004387 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004388 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004389 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004390 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004391 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004392 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004393 }
4394
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004395 if (IS_MF_SI(bp))
4396 /*
4397 * In switch independent mode, the TSTORM needs to accept
4398 * packets that failed classification, since approximate match
4399 * mac addresses aren't written to NIG LLH
4400 */
4401 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4402 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4403
Eilon Greenstein471de712008-08-13 15:49:35 -07004404 /* Zero this manually as its initialization is
4405 currently missing in the initTool */
4406 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4407 REG_WR(bp, BAR_USTRORM_INTMEM +
4408 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004409 if (CHIP_IS_E2(bp)) {
4410 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4411 CHIP_INT_MODE_IS_BC(bp) ?
4412 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4413 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004414}
4415
4416static void bnx2x_init_internal_port(struct bnx2x *bp)
4417{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004418 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004419 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004420}
4421
Eilon Greenstein471de712008-08-13 15:49:35 -07004422static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4423{
4424 switch (load_code) {
4425 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004426 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004427 bnx2x_init_internal_common(bp);
4428 /* no break */
4429
4430 case FW_MSG_CODE_DRV_LOAD_PORT:
4431 bnx2x_init_internal_port(bp);
4432 /* no break */
4433
4434 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004435 /* internal memory per function is
4436 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004437 break;
4438
4439 default:
4440 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4441 break;
4442 }
4443}
4444
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004445static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4446{
4447 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4448
4449 fp->state = BNX2X_FP_STATE_CLOSED;
4450
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004451 fp->cid = fp_idx;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004452 fp->cl_id = BP_L_ID(bp) + fp_idx;
4453 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4454 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4455 /* qZone id equals to FW (per path) client id */
4456 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004457 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4458 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004459 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004460 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4461 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004462 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4463 /* Setup SB indicies */
4464 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4465 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4466
4467 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4468 "cl_id %d fw_sb %d igu_sb %d\n",
4469 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4470 fp->igu_sb_id);
4471 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4472 fp->fw_sb_id, fp->igu_sb_id);
4473
4474 bnx2x_update_fpsb_idx(fp);
4475}
4476
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004477void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004478{
4479 int i;
4480
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004481 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004482 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004483#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004484 if (!NO_FCOE(bp))
4485 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004486
4487 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4488 BNX2X_VF_ID_INVALID, false,
4489 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4490
Michael Chan37b091b2009-10-10 13:46:55 +00004491#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004492
Eilon Greenstein16119782009-03-02 07:59:27 +00004493 /* ensure status block indices were read */
4494 rmb();
4495
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004496 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004497 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004498 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004499 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004500 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004501 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004502 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004503 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004504 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004505 bnx2x_stats_init(bp);
4506
4507 /* At this point, we are ready for interrupts */
4508 atomic_set(&bp->intr_sem, 0);
4509
4510 /* flush all before enabling interrupts */
4511 mb();
4512 mmiowb();
4513
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004514 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004515
4516 /* Check for SPIO5 */
4517 bnx2x_attn_int_deasserted0(bp,
4518 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4519 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004520}
4521
4522/* end of nic init */
4523
4524/*
4525 * gzip service functions
4526 */
4527
4528static int bnx2x_gunzip_init(struct bnx2x *bp)
4529{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004530 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4531 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004532 if (bp->gunzip_buf == NULL)
4533 goto gunzip_nomem1;
4534
4535 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4536 if (bp->strm == NULL)
4537 goto gunzip_nomem2;
4538
4539 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4540 GFP_KERNEL);
4541 if (bp->strm->workspace == NULL)
4542 goto gunzip_nomem3;
4543
4544 return 0;
4545
4546gunzip_nomem3:
4547 kfree(bp->strm);
4548 bp->strm = NULL;
4549
4550gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004551 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4552 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004553 bp->gunzip_buf = NULL;
4554
4555gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004556 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4557 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004558 return -ENOMEM;
4559}
4560
4561static void bnx2x_gunzip_end(struct bnx2x *bp)
4562{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004563 if (bp->strm) {
4564 kfree(bp->strm->workspace);
4565 kfree(bp->strm);
4566 bp->strm = NULL;
4567 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004568
4569 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004570 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4571 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004572 bp->gunzip_buf = NULL;
4573 }
4574}
4575
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004576static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004577{
4578 int n, rc;
4579
4580 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004581 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4582 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004583 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004584 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004585
4586 n = 10;
4587
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004588#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004589
4590 if (zbuf[3] & FNAME)
4591 while ((zbuf[n++] != 0) && (n < len));
4592
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004593 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004594 bp->strm->avail_in = len - n;
4595 bp->strm->next_out = bp->gunzip_buf;
4596 bp->strm->avail_out = FW_BUF_SIZE;
4597
4598 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4599 if (rc != Z_OK)
4600 return rc;
4601
4602 rc = zlib_inflate(bp->strm, Z_FINISH);
4603 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004604 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4605 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004606
4607 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4608 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004609 netdev_err(bp->dev, "Firmware decompression error:"
4610 " gunzip_outlen (%d) not aligned\n",
4611 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004612 bp->gunzip_outlen >>= 2;
4613
4614 zlib_inflateEnd(bp->strm);
4615
4616 if (rc == Z_STREAM_END)
4617 return 0;
4618
4619 return rc;
4620}
4621
4622/* nic load/unload */
4623
4624/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004625 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004626 */
4627
4628/* send a NIG loopback debug packet */
4629static void bnx2x_lb_pckt(struct bnx2x *bp)
4630{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004631 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004632
4633 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004634 wb_write[0] = 0x55555555;
4635 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004636 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004637 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004638
4639 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004640 wb_write[0] = 0x09000000;
4641 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004642 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004643 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004644}
4645
4646/* some of the internal memories
4647 * are not directly readable from the driver
4648 * to test them we send debug packets
4649 */
4650static int bnx2x_int_mem_test(struct bnx2x *bp)
4651{
4652 int factor;
4653 int count, i;
4654 u32 val = 0;
4655
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004656 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004657 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004658 else if (CHIP_REV_IS_EMUL(bp))
4659 factor = 200;
4660 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004661 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004662
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004663 /* Disable inputs of parser neighbor blocks */
4664 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4665 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4666 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004667 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004668
4669 /* Write 0 to parser credits for CFC search request */
4670 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4671
4672 /* send Ethernet packet */
4673 bnx2x_lb_pckt(bp);
4674
4675 /* TODO do i reset NIG statistic? */
4676 /* Wait until NIG register shows 1 packet of size 0x10 */
4677 count = 1000 * factor;
4678 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004679
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004680 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4681 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004682 if (val == 0x10)
4683 break;
4684
4685 msleep(10);
4686 count--;
4687 }
4688 if (val != 0x10) {
4689 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4690 return -1;
4691 }
4692
4693 /* Wait until PRS register shows 1 packet */
4694 count = 1000 * factor;
4695 while (count) {
4696 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004697 if (val == 1)
4698 break;
4699
4700 msleep(10);
4701 count--;
4702 }
4703 if (val != 0x1) {
4704 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4705 return -2;
4706 }
4707
4708 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004709 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004710 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004711 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004712 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004713 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4714 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004715
4716 DP(NETIF_MSG_HW, "part2\n");
4717
4718 /* Disable inputs of parser neighbor blocks */
4719 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4720 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4721 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004722 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004723
4724 /* Write 0 to parser credits for CFC search request */
4725 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4726
4727 /* send 10 Ethernet packets */
4728 for (i = 0; i < 10; i++)
4729 bnx2x_lb_pckt(bp);
4730
4731 /* Wait until NIG register shows 10 + 1
4732 packets of size 11*0x10 = 0xb0 */
4733 count = 1000 * factor;
4734 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004735
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004736 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4737 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004738 if (val == 0xb0)
4739 break;
4740
4741 msleep(10);
4742 count--;
4743 }
4744 if (val != 0xb0) {
4745 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4746 return -3;
4747 }
4748
4749 /* Wait until PRS register shows 2 packets */
4750 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4751 if (val != 2)
4752 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4753
4754 /* Write 1 to parser credits for CFC search request */
4755 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4756
4757 /* Wait until PRS register shows 3 packets */
4758 msleep(10 * factor);
4759 /* Wait until NIG register shows 1 packet of size 0x10 */
4760 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4761 if (val != 3)
4762 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4763
4764 /* clear NIG EOP FIFO */
4765 for (i = 0; i < 11; i++)
4766 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4767 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4768 if (val != 1) {
4769 BNX2X_ERR("clear of NIG failed\n");
4770 return -4;
4771 }
4772
4773 /* Reset and init BRB, PRS, NIG */
4774 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4775 msleep(50);
4776 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4777 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004778 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4779 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004780#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004781 /* set NIC mode */
4782 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4783#endif
4784
4785 /* Enable inputs of parser neighbor blocks */
4786 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4787 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4788 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004789 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004790
4791 DP(NETIF_MSG_HW, "done\n");
4792
4793 return 0; /* OK */
4794}
4795
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004796static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004797{
4798 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004799 if (CHIP_IS_E2(bp))
4800 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4801 else
4802 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004803 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4804 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004805 /*
4806 * mask read length error interrupts in brb for parser
4807 * (parsing unit and 'checksum and crc' unit)
4808 * these errors are legal (PU reads fixed length and CAC can cause
4809 * read length error on truncated packets)
4810 */
4811 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004812 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4813 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4814 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4815 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4816 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004817/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4818/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004819 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4820 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4821 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004822/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4823/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004824 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4825 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4826 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4827 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004828/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4829/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004830
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004831 if (CHIP_REV_IS_FPGA(bp))
4832 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004833 else if (CHIP_IS_E2(bp))
4834 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4835 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4836 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4837 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4838 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4839 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004840 else
4841 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004842 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4843 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4844 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004845/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4846/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004847 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4848 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004849/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004850 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004851}
4852
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004853static void bnx2x_reset_common(struct bnx2x *bp)
4854{
4855 /* reset_common */
4856 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4857 0xd3ffff7f);
4858 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4859}
4860
Eilon Greenstein573f2032009-08-12 08:24:14 +00004861static void bnx2x_init_pxp(struct bnx2x *bp)
4862{
4863 u16 devctl;
4864 int r_order, w_order;
4865
4866 pci_read_config_word(bp->pdev,
4867 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4868 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4869 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4870 if (bp->mrrs == -1)
4871 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4872 else {
4873 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4874 r_order = bp->mrrs;
4875 }
4876
4877 bnx2x_init_pxp_arb(bp, r_order, w_order);
4878}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004879
4880static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4881{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004882 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004883 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004884 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004885
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004886 if (BP_NOMCP(bp))
4887 return;
4888
4889 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004890 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4891 SHARED_HW_CFG_FAN_FAILURE_MASK;
4892
4893 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4894 is_required = 1;
4895
4896 /*
4897 * The fan failure mechanism is usually related to the PHY type since
4898 * the power consumption of the board is affected by the PHY. Currently,
4899 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4900 */
4901 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4902 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004903 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004904 bnx2x_fan_failure_det_req(
4905 bp,
4906 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004907 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004908 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004909 }
4910
4911 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4912
4913 if (is_required == 0)
4914 return;
4915
4916 /* Fan failure is indicated by SPIO 5 */
4917 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4918 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4919
4920 /* set to active low mode */
4921 val = REG_RD(bp, MISC_REG_SPIO_INT);
4922 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004923 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004924 REG_WR(bp, MISC_REG_SPIO_INT, val);
4925
4926 /* enable interrupt to signal the IGU */
4927 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4928 val |= (1 << MISC_REGISTERS_SPIO_5);
4929 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4930}
4931
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004932static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4933{
4934 u32 offset = 0;
4935
4936 if (CHIP_IS_E1(bp))
4937 return;
4938 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4939 return;
4940
4941 switch (BP_ABS_FUNC(bp)) {
4942 case 0:
4943 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4944 break;
4945 case 1:
4946 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4947 break;
4948 case 2:
4949 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4950 break;
4951 case 3:
4952 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4953 break;
4954 case 4:
4955 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4956 break;
4957 case 5:
4958 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4959 break;
4960 case 6:
4961 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4962 break;
4963 case 7:
4964 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4965 break;
4966 default:
4967 return;
4968 }
4969
4970 REG_WR(bp, offset, pretend_func_num);
4971 REG_RD(bp, offset);
4972 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4973}
4974
4975static void bnx2x_pf_disable(struct bnx2x *bp)
4976{
4977 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4978 val &= ~IGU_PF_CONF_FUNC_EN;
4979
4980 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4981 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4982 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4983}
4984
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004985static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004986{
4987 u32 val, i;
4988
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004989 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004990
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004991 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004992 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4993 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4994
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004995 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004996 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004997 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004998
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004999 if (CHIP_IS_E2(bp)) {
5000 u8 fid;
5001
5002 /**
5003 * 4-port mode or 2-port mode we need to turn of master-enable
5004 * for everyone, after that, turn it back on for self.
5005 * so, we disregard multi-function or not, and always disable
5006 * for all functions on the given path, this means 0,2,4,6 for
5007 * path 0 and 1,3,5,7 for path 1
5008 */
5009 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
5010 if (fid == BP_ABS_FUNC(bp)) {
5011 REG_WR(bp,
5012 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
5013 1);
5014 continue;
5015 }
5016
5017 bnx2x_pretend_func(bp, fid);
5018 /* clear pf enable */
5019 bnx2x_pf_disable(bp);
5020 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5021 }
5022 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005023
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005024 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005025 if (CHIP_IS_E1(bp)) {
5026 /* enable HW interrupt from PXP on USDM overflow
5027 bit 16 on INT_MASK_0 */
5028 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005029 }
5030
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005031 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005032 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005033
5034#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005035 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
5036 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
5037 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5038 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5039 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005040 /* make sure this value is 0 */
5041 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005042
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005043/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5044 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5045 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5046 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5047 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005048#endif
5049
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005050 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5051
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005052 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5053 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005054
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005055 /* let the HW do it's magic ... */
5056 msleep(100);
5057 /* finish PXP init */
5058 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5059 if (val != 1) {
5060 BNX2X_ERR("PXP2 CFG failed\n");
5061 return -EBUSY;
5062 }
5063 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5064 if (val != 1) {
5065 BNX2X_ERR("PXP2 RD_INIT failed\n");
5066 return -EBUSY;
5067 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005068
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005069 /* Timers bug workaround E2 only. We need to set the entire ILT to
5070 * have entries with value "0" and valid bit on.
5071 * This needs to be done by the first PF that is loaded in a path
5072 * (i.e. common phase)
5073 */
5074 if (CHIP_IS_E2(bp)) {
5075 struct ilt_client_info ilt_cli;
5076 struct bnx2x_ilt ilt;
5077 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5078 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5079
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005080 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005081 ilt_cli.start = 0;
5082 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5083 ilt_cli.client_num = ILT_CLIENT_TM;
5084
5085 /* Step 1: set zeroes to all ilt page entries with valid bit on
5086 * Step 2: set the timers first/last ilt entry to point
5087 * to the entire range to prevent ILT range error for 3rd/4th
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005088 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005089 *
5090 * both steps performed by call to bnx2x_ilt_client_init_op()
5091 * with dummy TM client
5092 *
5093 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5094 * and his brother are split registers
5095 */
5096 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5097 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5098 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5099
5100 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5101 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5102 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5103 }
5104
5105
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005106 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5107 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005108
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005109 if (CHIP_IS_E2(bp)) {
5110 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5111 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5112 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5113
5114 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5115
5116 /* let the HW do it's magic ... */
5117 do {
5118 msleep(200);
5119 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5120 } while (factor-- && (val != 1));
5121
5122 if (val != 1) {
5123 BNX2X_ERR("ATC_INIT failed\n");
5124 return -EBUSY;
5125 }
5126 }
5127
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005128 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005129
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005130 /* clean the DMAE memory */
5131 bp->dmae_ready = 1;
5132 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005133
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005134 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5135 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5136 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5137 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005138
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005139 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5140 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5141 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5142 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5143
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005144 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005145
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005146 if (CHIP_MODE_IS_4_PORT(bp))
5147 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005148
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005149 /* QM queues pointers table */
5150 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005151
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005152 /* soft reset pulse */
5153 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5154 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005155
Michael Chan37b091b2009-10-10 13:46:55 +00005156#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005157 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005158#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005159
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005160 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005161 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5162
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005163 if (!CHIP_REV_IS_SLOW(bp)) {
5164 /* enable hw interrupt from doorbell Q */
5165 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5166 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005167
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005168 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005169 if (CHIP_MODE_IS_4_PORT(bp)) {
5170 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5171 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5172 }
5173
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005174 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005175 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005176#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005177 /* set NIC mode */
5178 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005179#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005180 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005181 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005182
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005183 if (CHIP_IS_E2(bp)) {
5184 /* Bit-map indicating which L2 hdrs may appear after the
5185 basic Ethernet header */
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, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5188 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5189 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005190
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005191 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5192 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5193 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5194 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005195
Eilon Greensteinca003922009-08-12 22:53:28 -07005196 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5197 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5198 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5199 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005200
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005201 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5202 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5203 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5204 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005205
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005206 if (CHIP_MODE_IS_4_PORT(bp))
5207 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5208
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005209 /* sync semi rtc */
5210 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5211 0x80000000);
5212 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5213 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005214
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005215 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5216 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5217 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005218
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005219 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005220 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005221 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5222 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5223 }
5224
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005225 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005226 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5227 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005228
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005229 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005230#ifdef BCM_CNIC
5231 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5232 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5233 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5234 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5235 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5236 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5237 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5238 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5239 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5240 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5241#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005242 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005243
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005244 if (sizeof(union cdu_context) != 1024)
5245 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005246 dev_alert(&bp->pdev->dev, "please adjust the size "
5247 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005248 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005249
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005250 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005251 val = (4 << 24) + (0 << 12) + 1024;
5252 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005253
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005254 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005255 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005256 /* enable context validation interrupt from CFC */
5257 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5258
5259 /* set the thresholds to prevent CFC/CDU race */
5260 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005261
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005262 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005263
5264 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5265 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5266
5267 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005268 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005269
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005270 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005271 /* Reset PCIE errors for debug */
5272 REG_WR(bp, 0x2814, 0xffffffff);
5273 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005274
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005275 if (CHIP_IS_E2(bp)) {
5276 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5277 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5278 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5279 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5280 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5281 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5282 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5283 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5284 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5285 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5286 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5287 }
5288
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005289 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005290 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005291 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005292 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005293
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005294 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005295 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005296 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005297 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005298 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005299 if (CHIP_IS_E2(bp)) {
5300 /* Bit-map indicating which L2 hdrs may appear after the
5301 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005302 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005303 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005304
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005305 if (CHIP_REV_IS_SLOW(bp))
5306 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005307
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005308 /* finish CFC init */
5309 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5310 if (val != 1) {
5311 BNX2X_ERR("CFC LL_INIT failed\n");
5312 return -EBUSY;
5313 }
5314 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5315 if (val != 1) {
5316 BNX2X_ERR("CFC AC_INIT failed\n");
5317 return -EBUSY;
5318 }
5319 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5320 if (val != 1) {
5321 BNX2X_ERR("CFC CAM_INIT failed\n");
5322 return -EBUSY;
5323 }
5324 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005325
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005326 if (CHIP_IS_E1(bp)) {
5327 /* read NIG statistic
5328 to see if this is our first up since powerup */
5329 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5330 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005331
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005332 /* do internal memory self test */
5333 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5334 BNX2X_ERR("internal mem self test failed\n");
5335 return -EBUSY;
5336 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005337 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005338
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005339 bnx2x_setup_fan_failure_detection(bp);
5340
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005341 /* clear PXP2 attentions */
5342 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005343
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005344 bnx2x_enable_blocks_attention(bp);
5345 if (CHIP_PARITY_ENABLED(bp))
5346 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005347
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005348 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005349 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5350 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5351 CHIP_IS_E1x(bp)) {
5352 u32 shmem_base[2], shmem2_base[2];
5353 shmem_base[0] = bp->common.shmem_base;
5354 shmem2_base[0] = bp->common.shmem2_base;
5355 if (CHIP_IS_E2(bp)) {
5356 shmem_base[1] =
5357 SHMEM2_RD(bp, other_shmem_base_addr);
5358 shmem2_base[1] =
5359 SHMEM2_RD(bp, other_shmem2_base_addr);
5360 }
5361 bnx2x_acquire_phy_lock(bp);
5362 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5363 bp->common.chip_id);
5364 bnx2x_release_phy_lock(bp);
5365 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005366 } else
5367 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5368
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005369 return 0;
5370}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005371
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005372static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005373{
5374 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005375 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005376 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005377 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005378
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005379 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005380
5381 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005382
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005383 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005384 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005385
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005386 /* Timers bug workaround: disables the pf_master bit in pglue at
5387 * common phase, we need to enable it here before any dmae access are
5388 * attempted. Therefore we manually added the enable-master to the
5389 * port phase (it also happens in the function phase)
5390 */
5391 if (CHIP_IS_E2(bp))
5392 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5393
Eilon Greensteinca003922009-08-12 22:53:28 -07005394 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5395 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5396 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005397 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005398
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005399 /* QM cid (connection) count */
5400 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005401
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005402#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005403 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005404 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5405 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005406#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005407
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005408 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005409
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005410 if (CHIP_MODE_IS_4_PORT(bp))
5411 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005412
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005413 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5414 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5415 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5416 /* no pause for emulation and FPGA */
5417 low = 0;
5418 high = 513;
5419 } else {
5420 if (IS_MF(bp))
5421 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5422 else if (bp->dev->mtu > 4096) {
5423 if (bp->flags & ONE_PORT_FLAG)
5424 low = 160;
5425 else {
5426 val = bp->dev->mtu;
5427 /* (24*1024 + val*4)/256 */
5428 low = 96 + (val/64) +
5429 ((val % 64) ? 1 : 0);
5430 }
5431 } else
5432 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5433 high = low + 56; /* 14*1024/256 */
5434 }
5435 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5436 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5437 }
5438
5439 if (CHIP_MODE_IS_4_PORT(bp)) {
5440 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5441 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5442 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5443 BRB1_REG_MAC_GUARANTIED_0), 40);
5444 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005445
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005446 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005447
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005448 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005449 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005450 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005451 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005452
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005453 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5454 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5455 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5456 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005457 if (CHIP_MODE_IS_4_PORT(bp))
5458 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005459
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005460 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005461 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005462
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005463 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005464
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005465 if (!CHIP_IS_E2(bp)) {
5466 /* configure PBF to work without PAUSE mtu 9000 */
5467 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005468
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005469 /* update threshold */
5470 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5471 /* update init credit */
5472 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005473
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005474 /* probe changes */
5475 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5476 udelay(50);
5477 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5478 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005479
Michael Chan37b091b2009-10-10 13:46:55 +00005480#ifdef BCM_CNIC
5481 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005482#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005483 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005484 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005485
5486 if (CHIP_IS_E1(bp)) {
5487 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5488 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5489 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005490 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005491
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005492 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5493
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005494 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005495 /* init aeu_mask_attn_func_0/1:
5496 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5497 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5498 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005499 val = IS_MF(bp) ? 0xF7 : 0x7;
5500 /* Enable DCBX attention for all but E1 */
5501 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5502 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005503
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005504 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005505 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005506 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005507 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005508 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005509
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005510 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005511
5512 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5513
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005514 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005515 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005516 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005517 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005518
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005519 if (CHIP_IS_E2(bp)) {
5520 val = 0;
5521 switch (bp->mf_mode) {
5522 case MULTI_FUNCTION_SD:
5523 val = 1;
5524 break;
5525 case MULTI_FUNCTION_SI:
5526 val = 2;
5527 break;
5528 }
5529
5530 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5531 NIG_REG_LLH0_CLS_TYPE), val);
5532 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005533 {
5534 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5535 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5536 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5537 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005538 }
5539
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005540 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005541 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005542 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005543 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005544 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5545 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5546 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005547 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005548 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005549 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005550 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005551
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005552 return 0;
5553}
5554
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005555static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5556{
5557 int reg;
5558
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005559 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005560 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005561 else
5562 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005563
5564 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5565}
5566
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005567static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5568{
5569 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5570}
5571
5572static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5573{
5574 u32 i, base = FUNC_ILT_BASE(func);
5575 for (i = base; i < base + ILT_PER_FUNC; i++)
5576 bnx2x_ilt_wr(bp, i, 0);
5577}
5578
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005579static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005580{
5581 int port = BP_PORT(bp);
5582 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005583 struct bnx2x_ilt *ilt = BP_ILT(bp);
5584 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005585 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005586 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5587 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005588
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005589 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005590
Eilon Greenstein8badd272009-02-12 08:36:15 +00005591 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005592 if (bp->common.int_block == INT_BLOCK_HC) {
5593 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5594 val = REG_RD(bp, addr);
5595 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5596 REG_WR(bp, addr, val);
5597 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005598
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005599 ilt = BP_ILT(bp);
5600 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005601
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005602 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5603 ilt->lines[cdu_ilt_start + i].page =
5604 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5605 ilt->lines[cdu_ilt_start + i].page_mapping =
5606 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5607 /* cdu ilt pages are allocated manually so there's no need to
5608 set the size */
5609 }
5610 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005611
Michael Chan37b091b2009-10-10 13:46:55 +00005612#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005613 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005614
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005615 /* T1 hash bits value determines the T1 number of entries */
5616 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005617#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005618
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005619#ifndef BCM_CNIC
5620 /* set NIC mode */
5621 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5622#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005623
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005624 if (CHIP_IS_E2(bp)) {
5625 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5626
5627 /* Turn on a single ISR mode in IGU if driver is going to use
5628 * INT#x or MSI
5629 */
5630 if (!(bp->flags & USING_MSIX_FLAG))
5631 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5632 /*
5633 * Timers workaround bug: function init part.
5634 * Need to wait 20msec after initializing ILT,
5635 * needed to make sure there are no requests in
5636 * one of the PXP internal queues with "old" ILT addresses
5637 */
5638 msleep(20);
5639 /*
5640 * Master enable - Due to WB DMAE writes performed before this
5641 * register is re-initialized as part of the regular function
5642 * init
5643 */
5644 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5645 /* Enable the function in IGU */
5646 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5647 }
5648
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005649 bp->dmae_ready = 1;
5650
5651 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5652
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005653 if (CHIP_IS_E2(bp))
5654 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5655
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005656 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5657 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5658 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5659 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5660 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5661 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5662 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5663 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5664 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5665
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005666 if (CHIP_IS_E2(bp)) {
5667 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5668 BP_PATH(bp));
5669 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5670 BP_PATH(bp));
5671 }
5672
5673 if (CHIP_MODE_IS_4_PORT(bp))
5674 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5675
5676 if (CHIP_IS_E2(bp))
5677 REG_WR(bp, QM_REG_PF_EN, 1);
5678
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005679 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005680
5681 if (CHIP_MODE_IS_4_PORT(bp))
5682 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5683
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005684 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5685 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5686 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5687 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5688 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5689 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5690 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5691 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5692 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5693 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5694 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005695 if (CHIP_IS_E2(bp))
5696 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5697
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005698 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5699
5700 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5701
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005702 if (CHIP_IS_E2(bp))
5703 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5704
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005705 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005706 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005707 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005708 }
5709
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005710 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5711
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005712 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005713 if (bp->common.int_block == INT_BLOCK_HC) {
5714 if (CHIP_IS_E1H(bp)) {
5715 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5716
5717 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5718 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5719 }
5720 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5721
5722 } else {
5723 int num_segs, sb_idx, prod_offset;
5724
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005725 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5726
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005727 if (CHIP_IS_E2(bp)) {
5728 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5729 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5730 }
5731
5732 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5733
5734 if (CHIP_IS_E2(bp)) {
5735 int dsb_idx = 0;
5736 /**
5737 * Producer memory:
5738 * E2 mode: address 0-135 match to the mapping memory;
5739 * 136 - PF0 default prod; 137 - PF1 default prod;
5740 * 138 - PF2 default prod; 139 - PF3 default prod;
5741 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5742 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5743 * 144-147 reserved.
5744 *
5745 * E1.5 mode - In backward compatible mode;
5746 * for non default SB; each even line in the memory
5747 * holds the U producer and each odd line hold
5748 * the C producer. The first 128 producers are for
5749 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5750 * producers are for the DSB for each PF.
5751 * Each PF has five segments: (the order inside each
5752 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5753 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5754 * 144-147 attn prods;
5755 */
5756 /* non-default-status-blocks */
5757 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5758 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5759 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5760 prod_offset = (bp->igu_base_sb + sb_idx) *
5761 num_segs;
5762
5763 for (i = 0; i < num_segs; i++) {
5764 addr = IGU_REG_PROD_CONS_MEMORY +
5765 (prod_offset + i) * 4;
5766 REG_WR(bp, addr, 0);
5767 }
5768 /* send consumer update with value 0 */
5769 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5770 USTORM_ID, 0, IGU_INT_NOP, 1);
5771 bnx2x_igu_clear_sb(bp,
5772 bp->igu_base_sb + sb_idx);
5773 }
5774
5775 /* default-status-blocks */
5776 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5777 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5778
5779 if (CHIP_MODE_IS_4_PORT(bp))
5780 dsb_idx = BP_FUNC(bp);
5781 else
5782 dsb_idx = BP_E1HVN(bp);
5783
5784 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5785 IGU_BC_BASE_DSB_PROD + dsb_idx :
5786 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5787
5788 for (i = 0; i < (num_segs * E1HVN_MAX);
5789 i += E1HVN_MAX) {
5790 addr = IGU_REG_PROD_CONS_MEMORY +
5791 (prod_offset + i)*4;
5792 REG_WR(bp, addr, 0);
5793 }
5794 /* send consumer update with 0 */
5795 if (CHIP_INT_MODE_IS_BC(bp)) {
5796 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5797 USTORM_ID, 0, IGU_INT_NOP, 1);
5798 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5799 CSTORM_ID, 0, IGU_INT_NOP, 1);
5800 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5801 XSTORM_ID, 0, IGU_INT_NOP, 1);
5802 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5803 TSTORM_ID, 0, IGU_INT_NOP, 1);
5804 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5805 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5806 } else {
5807 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5808 USTORM_ID, 0, IGU_INT_NOP, 1);
5809 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5810 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5811 }
5812 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5813
5814 /* !!! these should become driver const once
5815 rf-tool supports split-68 const */
5816 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5817 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5818 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5819 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5820 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5821 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5822 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005823 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005824
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005825 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005826 REG_WR(bp, 0x2114, 0xffffffff);
5827 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005828
5829 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5830 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5831 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5832 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5833 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5834 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5835
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005836 if (CHIP_IS_E1x(bp)) {
5837 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5838 main_mem_base = HC_REG_MAIN_MEMORY +
5839 BP_PORT(bp) * (main_mem_size * 4);
5840 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5841 main_mem_width = 8;
5842
5843 val = REG_RD(bp, main_mem_prty_clr);
5844 if (val)
5845 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5846 "block during "
5847 "function init (0x%x)!\n", val);
5848
5849 /* Clear "false" parity errors in MSI-X table */
5850 for (i = main_mem_base;
5851 i < main_mem_base + main_mem_size * 4;
5852 i += main_mem_width) {
5853 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5854 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5855 i, main_mem_width / 4);
5856 }
5857 /* Clear HC parity attention */
5858 REG_RD(bp, main_mem_prty_clr);
5859 }
5860
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005861 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005862
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005863 return 0;
5864}
5865
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005866int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005867{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005868 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005869
5870 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005871 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005872
5873 bp->dmae_ready = 0;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005874 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005875
5876 switch (load_code) {
5877 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005878 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005879 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005880 if (rc)
5881 goto init_hw_err;
5882 /* no break */
5883
5884 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005885 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005886 if (rc)
5887 goto init_hw_err;
5888 /* no break */
5889
5890 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005891 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005892 if (rc)
5893 goto init_hw_err;
5894 break;
5895
5896 default:
5897 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5898 break;
5899 }
5900
5901 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005902 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005903
5904 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005905 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005906 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005907 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5908 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005909
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005910init_hw_err:
5911 bnx2x_gunzip_end(bp);
5912
5913 return rc;
5914}
5915
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005916void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005917{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005918 bnx2x_gunzip_end(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005919
5920 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005921 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005922 /* end of fastpath */
5923
5924 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005925 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005926
5927 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005928 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005929
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005930 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5931 bp->context.size);
5932
5933 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5934
5935 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005936
Michael Chan37b091b2009-10-10 13:46:55 +00005937#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005938 if (CHIP_IS_E2(bp))
5939 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5940 sizeof(struct host_hc_status_block_e2));
5941 else
5942 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5943 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005944
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005945 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005946#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005947
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005948 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005949
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005950 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5951 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5952
Tom Herbertab532cf2011-02-16 10:27:02 +00005953 BNX2X_FREE(bp->rx_indir_table);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005954}
5955
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005956
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005957int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005958{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005959 if (bnx2x_gunzip_init(bp))
5960 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005961
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005962#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005963 if (CHIP_IS_E2(bp))
5964 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
5965 sizeof(struct host_hc_status_block_e2));
5966 else
5967 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
5968 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005969
5970 /* allocate searcher T2 table */
5971 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
5972#endif
5973
5974
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005975 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005976 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005977
5978 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5979 sizeof(struct bnx2x_slowpath));
5980
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005981 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005982
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005983 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
5984 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005985
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005986 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005987
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005988 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
5989 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005990
5991 /* Slow path ring */
5992 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5993
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005994 /* EQ */
5995 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
5996 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00005997
5998 BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
5999 TSTORM_INDIRECTION_TABLE_SIZE);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00006000
6001 /* fastpath */
6002 /* need to be done at the end, since it's self adjusting to amount
6003 * of memory available for RSS queues
6004 */
6005 if (bnx2x_alloc_fp_mem(bp))
6006 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006007 return 0;
6008
6009alloc_mem_err:
6010 bnx2x_free_mem(bp);
6011 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006012}
6013
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006014/*
6015 * Init service functions
6016 */
stephen hemminger8d962862010-10-21 07:50:56 +00006017static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6018 int *state_p, int flags);
6019
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006020int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006021{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006022 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006023
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006024 /* Wait for completion */
6025 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
6026 WAIT_RAMROD_COMMON);
6027}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006028
stephen hemminger8d962862010-10-21 07:50:56 +00006029static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006030{
6031 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006032
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006033 /* Wait for completion */
6034 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
6035 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006036}
6037
Michael Chane665bfd2009-10-10 13:46:54 +00006038/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006039 * 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 +00006040 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006041 * @bp: driver handle
6042 * @set: set or clear an entry (1 or 0)
6043 * @mac: pointer to a buffer containing a MAC
6044 * @cl_bit_vec: bit vector of clients to register a MAC for
6045 * @cam_offset: offset in a CAM to use
6046 * @is_bcast: is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006047 */
Joe Perches215faf92010-12-21 02:16:10 -08006048static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006049 u32 cl_bit_vec, u8 cam_offset,
6050 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006051{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006052 struct mac_configuration_cmd *config =
6053 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6054 int ramrod_flags = WAIT_RAMROD_COMMON;
6055
6056 bp->set_mac_pending = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006057
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006058 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006059 config->hdr.offset = cam_offset;
6060 config->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006061 /* Mark the single MAC configuration ramrod as opposed to a
6062 * UC/MC list configuration).
6063 */
6064 config->hdr.echo = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006065
6066 /* primary MAC */
6067 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006068 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006069 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006070 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006071 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006072 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006073 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006074 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006075 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006076 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006077 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006078 SET_FLAG(config->config_table[0].flags,
6079 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6080 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006081 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006082 SET_FLAG(config->config_table[0].flags,
6083 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6084 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006085
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006086 if (is_bcast)
6087 SET_FLAG(config->config_table[0].flags,
6088 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6089
6090 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006091 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006092 config->config_table[0].msb_mac_addr,
6093 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006094 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006095
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006096 mb();
6097
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006098 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006099 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006100 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6101
6102 /* Wait for a completion */
6103 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006104}
6105
stephen hemminger8d962862010-10-21 07:50:56 +00006106static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6107 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006108{
6109 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006110 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006111 u8 poll = flags & WAIT_RAMROD_POLL;
6112 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006113
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006114 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6115 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006116
6117 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006118 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006119 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006120 if (common)
6121 bnx2x_eq_int(bp);
6122 else {
6123 bnx2x_rx_int(bp->fp, 10);
6124 /* if index is different from 0
6125 * the reply for some commands will
6126 * be on the non default queue
6127 */
6128 if (idx)
6129 bnx2x_rx_int(&bp->fp[idx], 10);
6130 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006131 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006132
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006133 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006134 if (*state_p == state) {
6135#ifdef BNX2X_STOP_ON_ERROR
6136 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6137#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006138 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006139 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006140
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006141 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006142
6143 if (bp->panic)
6144 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006145 }
6146
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006147 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006148 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6149 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006150#ifdef BNX2X_STOP_ON_ERROR
6151 bnx2x_panic();
6152#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006153
Eliezer Tamir49d66772008-02-28 11:53:13 -08006154 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006155}
6156
stephen hemminger8d962862010-10-21 07:50:56 +00006157static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006158{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006159 if (CHIP_IS_E1H(bp))
6160 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6161 else if (CHIP_MODE_IS_4_PORT(bp))
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006162 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006163 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006164 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
Michael Chane665bfd2009-10-10 13:46:54 +00006165}
6166
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006167/**
6168 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6169 * relevant. In addition, current implementation is tuned for a
6170 * single ETH MAC.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006171 */
6172enum {
6173 LLH_CAM_ISCSI_ETH_LINE = 0,
6174 LLH_CAM_ETH_LINE,
6175 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6176};
6177
6178static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6179 int set,
6180 unsigned char *dev_addr,
6181 int index)
6182{
6183 u32 wb_data[2];
6184 u32 mem_offset, ena_offset, mem_index;
6185 /**
6186 * indexes mapping:
6187 * 0..7 - goes to MEM
6188 * 8..15 - goes to MEM2
6189 */
6190
6191 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6192 return;
6193
6194 /* calculate memory start offset according to the mapping
6195 * and index in the memory */
6196 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6197 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6198 NIG_REG_LLH0_FUNC_MEM;
6199 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6200 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6201 mem_index = index;
6202 } else {
6203 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6204 NIG_REG_P0_LLH_FUNC_MEM2;
6205 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6206 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6207 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6208 }
6209
6210 if (set) {
6211 /* LLH_FUNC_MEM is a u64 WB register */
6212 mem_offset += 8*mem_index;
6213
6214 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6215 (dev_addr[4] << 8) | dev_addr[5]);
6216 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6217
6218 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6219 }
6220
6221 /* enable/disable the entry */
6222 REG_WR(bp, ena_offset + 4*mem_index, set);
6223
6224}
6225
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006226void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006227{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006228 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6229 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6230
6231 /* networking MAC */
6232 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6233 (1 << bp->fp->cl_id), cam_offset , 0);
6234
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006235 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6236
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006237 if (CHIP_IS_E1(bp)) {
6238 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006239 static const u8 bcast[ETH_ALEN] = {
6240 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6241 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006242 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6243 }
6244}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006245
6246static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6247{
6248 return CHIP_REV_IS_SLOW(bp) ?
6249 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6250 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6251}
6252
6253/* set mc list, do not wait as wait implies sleep and
6254 * set_rx_mode can be invoked from non-sleepable context.
6255 *
6256 * Instead we use the same ramrod data buffer each time we need
6257 * to configure a list of addresses, and use the fact that the
6258 * list of MACs is changed in an incremental way and that the
6259 * function is called under the netif_addr_lock. A temporary
6260 * inconsistent CAM configuration (possible in case of a very fast
6261 * sequence of add/del/add on the host side) will shortly be
6262 * restored by the handler of the last ramrod.
6263 */
6264static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006265{
6266 int i = 0, old;
6267 struct net_device *dev = bp->dev;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006268 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006269 struct netdev_hw_addr *ha;
6270 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6271 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6272
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006273 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6274 return -EINVAL;
6275
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006276 netdev_for_each_mc_addr(ha, dev) {
6277 /* copy mac */
6278 config_cmd->config_table[i].msb_mac_addr =
6279 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6280 config_cmd->config_table[i].middle_mac_addr =
6281 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6282 config_cmd->config_table[i].lsb_mac_addr =
6283 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6284
6285 config_cmd->config_table[i].vlan_id = 0;
6286 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6287 config_cmd->config_table[i].clients_bit_vector =
6288 cpu_to_le32(1 << BP_L_ID(bp));
6289
6290 SET_FLAG(config_cmd->config_table[i].flags,
6291 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6292 T_ETH_MAC_COMMAND_SET);
6293
6294 DP(NETIF_MSG_IFUP,
6295 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6296 config_cmd->config_table[i].msb_mac_addr,
6297 config_cmd->config_table[i].middle_mac_addr,
6298 config_cmd->config_table[i].lsb_mac_addr);
6299 i++;
6300 }
6301 old = config_cmd->hdr.length;
6302 if (old > i) {
6303 for (; i < old; i++) {
6304 if (CAM_IS_INVALID(config_cmd->
6305 config_table[i])) {
6306 /* already invalidated */
6307 break;
6308 }
6309 /* invalidate */
6310 SET_FLAG(config_cmd->config_table[i].flags,
6311 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6312 T_ETH_MAC_COMMAND_INVALIDATE);
6313 }
6314 }
6315
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006316 wmb();
6317
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006318 config_cmd->hdr.length = i;
6319 config_cmd->hdr.offset = offset;
6320 config_cmd->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006321 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6322 * synchronization.
6323 */
6324 config_cmd->hdr.echo = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006325
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006326 mb();
Michael Chane665bfd2009-10-10 13:46:54 +00006327
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006328 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006329 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6330}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006331
6332void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006333{
6334 int i;
6335 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6336 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6337 int ramrod_flags = WAIT_RAMROD_COMMON;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006338 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006339
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006340 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006341 SET_FLAG(config_cmd->config_table[i].flags,
6342 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6343 T_ETH_MAC_COMMAND_INVALIDATE);
6344
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006345 wmb();
6346
6347 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6348 config_cmd->hdr.offset = offset;
6349 config_cmd->hdr.client_id = 0xff;
6350 /* We'll wait for a completion this time... */
6351 config_cmd->hdr.echo = 1;
6352
6353 bp->set_mac_pending = 1;
6354
6355 mb();
6356
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006357 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6358 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006359
6360 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006361 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6362 ramrod_flags);
6363
Michael Chane665bfd2009-10-10 13:46:54 +00006364}
6365
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006366/* Accept one or more multicasts */
6367static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6368{
6369 struct net_device *dev = bp->dev;
6370 struct netdev_hw_addr *ha;
6371 u32 mc_filter[MC_HASH_SIZE];
6372 u32 crc, bit, regidx;
6373 int i;
6374
6375 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6376
6377 netdev_for_each_mc_addr(ha, dev) {
6378 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6379 bnx2x_mc_addr(ha));
6380
6381 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6382 ETH_ALEN);
6383 bit = (crc >> 24) & 0xff;
6384 regidx = bit >> 5;
6385 bit &= 0x1f;
6386 mc_filter[regidx] |= (1 << bit);
6387 }
6388
6389 for (i = 0; i < MC_HASH_SIZE; i++)
6390 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6391 mc_filter[i]);
6392
6393 return 0;
6394}
6395
6396void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6397{
6398 int i;
6399
6400 for (i = 0; i < MC_HASH_SIZE; i++)
6401 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6402}
6403
Michael Chan993ac7b2009-10-10 13:46:56 +00006404#ifdef BCM_CNIC
6405/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006406 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
Michael Chan993ac7b2009-10-10 13:46:56 +00006407 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006408 * @bp: driver handle
6409 * @set: set or clear the CAM entry
Michael Chan993ac7b2009-10-10 13:46:56 +00006410 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006411 * This function will wait until the ramdord completion returns.
6412 * Return 0 if success, -ENODEV if ramrod doesn't return.
Michael Chan993ac7b2009-10-10 13:46:56 +00006413 */
stephen hemminger8d962862010-10-21 07:50:56 +00006414static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006415{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006416 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6417 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006418 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6419 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006420 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006421 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006422
6423 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006424 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006425 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006426
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006427 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006428
6429 return 0;
6430}
6431
6432/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006433 * bnx2x_set_fip_eth_mac_addr - set FCoE L2 MAC(s)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006434 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006435 * @bp: driver handle
6436 * @set: set or clear the CAM entry
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006437 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006438 * This function will wait until the ramrod completion returns.
6439 * Returns 0 if success, -ENODEV if ramrod doesn't return.
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006440 */
6441int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6442{
6443 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6444 /**
6445 * CAM allocation for E1H
6446 * eth unicasts: by func number
6447 * iscsi: by func number
6448 * fip unicast: by func number
6449 * fip multicast: by func number
6450 */
6451 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6452 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6453
6454 return 0;
6455}
6456
6457int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6458{
6459 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6460
6461 /**
6462 * CAM allocation for E1H
6463 * eth unicasts: by func number
6464 * iscsi: by func number
6465 * fip unicast: by func number
6466 * fip multicast: by func number
6467 */
6468 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6469 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6470
Michael Chan993ac7b2009-10-10 13:46:56 +00006471 return 0;
6472}
6473#endif
6474
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006475static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6476 struct bnx2x_client_init_params *params,
6477 u8 activate,
6478 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006479{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006480 /* Clear the buffer */
6481 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006482
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006483 /* general */
6484 data->general.client_id = params->rxq_params.cl_id;
6485 data->general.statistics_counter_id = params->rxq_params.stat_id;
6486 data->general.statistics_en_flg =
6487 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006488 data->general.is_fcoe_flg =
6489 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006490 data->general.activate_flg = activate;
6491 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006492
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006493 /* Rx data */
6494 data->rx.tpa_en_flg =
6495 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6496 data->rx.vmqueue_mode_en_flg = 0;
6497 data->rx.cache_line_alignment_log_size =
6498 params->rxq_params.cache_line_log;
6499 data->rx.enable_dynamic_hc =
6500 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6501 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6502 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6503 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6504
6505 /* We don't set drop flags */
6506 data->rx.drop_ip_cs_err_flg = 0;
6507 data->rx.drop_tcp_cs_err_flg = 0;
6508 data->rx.drop_ttl0_flg = 0;
6509 data->rx.drop_udp_cs_err_flg = 0;
6510
6511 data->rx.inner_vlan_removal_enable_flg =
6512 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6513 data->rx.outer_vlan_removal_enable_flg =
6514 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6515 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6516 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6517 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6518 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6519 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6520 data->rx.bd_page_base.lo =
6521 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6522 data->rx.bd_page_base.hi =
6523 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6524 data->rx.sge_page_base.lo =
6525 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6526 data->rx.sge_page_base.hi =
6527 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6528 data->rx.cqe_page_base.lo =
6529 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6530 data->rx.cqe_page_base.hi =
6531 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6532 data->rx.is_leading_rss =
6533 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6534 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6535
6536 /* Tx data */
6537 data->tx.enforce_security_flg = 0; /* VF specific */
6538 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6539 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6540 data->tx.mtu = 0; /* VF specific */
6541 data->tx.tx_bd_page_base.lo =
6542 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6543 data->tx.tx_bd_page_base.hi =
6544 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6545
6546 /* flow control data */
6547 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6548 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6549 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6550 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6551 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6552 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6553 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6554
6555 data->fc.safc_group_num = params->txq_params.cos;
6556 data->fc.safc_group_en_flg =
6557 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006558 data->fc.traffic_type =
6559 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6560 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006561}
6562
6563static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6564{
6565 /* ustorm cxt validation */
6566 cxt->ustorm_ag_context.cdu_usage =
6567 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6568 ETH_CONNECTION_TYPE);
6569 /* xcontext validation */
6570 cxt->xstorm_ag_context.cdu_reserved =
6571 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6572 ETH_CONNECTION_TYPE);
6573}
6574
stephen hemminger8d962862010-10-21 07:50:56 +00006575static int bnx2x_setup_fw_client(struct bnx2x *bp,
6576 struct bnx2x_client_init_params *params,
6577 u8 activate,
6578 struct client_init_ramrod_data *data,
6579 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006580{
6581 u16 hc_usec;
6582 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6583 int ramrod_flags = 0, rc;
6584
6585 /* HC and context validation values */
6586 hc_usec = params->txq_params.hc_rate ?
6587 1000000 / params->txq_params.hc_rate : 0;
6588 bnx2x_update_coalesce_sb_index(bp,
6589 params->txq_params.fw_sb_id,
6590 params->txq_params.sb_cq_index,
6591 !(params->txq_params.flags & QUEUE_FLG_HC),
6592 hc_usec);
6593
6594 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6595
6596 hc_usec = params->rxq_params.hc_rate ?
6597 1000000 / params->rxq_params.hc_rate : 0;
6598 bnx2x_update_coalesce_sb_index(bp,
6599 params->rxq_params.fw_sb_id,
6600 params->rxq_params.sb_cq_index,
6601 !(params->rxq_params.flags & QUEUE_FLG_HC),
6602 hc_usec);
6603
6604 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6605 params->rxq_params.cid);
6606
6607 /* zero stats */
6608 if (params->txq_params.flags & QUEUE_FLG_STATS)
6609 storm_memset_xstats_zero(bp, BP_PORT(bp),
6610 params->txq_params.stat_id);
6611
6612 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6613 storm_memset_ustats_zero(bp, BP_PORT(bp),
6614 params->rxq_params.stat_id);
6615 storm_memset_tstats_zero(bp, BP_PORT(bp),
6616 params->rxq_params.stat_id);
6617 }
6618
6619 /* Fill the ramrod data */
6620 bnx2x_fill_cl_init_data(bp, params, activate, data);
6621
6622 /* SETUP ramrod.
6623 *
6624 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6625 * barrier except from mmiowb() is needed to impose a
6626 * proper ordering of memory operations.
6627 */
6628 mmiowb();
6629
6630
6631 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6632 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006633
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006634 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006635 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6636 params->ramrod_params.index,
6637 params->ramrod_params.pstate,
6638 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006639 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006640}
6641
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006642/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006643 * bnx2x_set_int_mode - configure interrupt mode
6644 *
6645 * @bp: driver handle
6646 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006647 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006648 */
6649static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006650{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006651 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006652
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006653 switch (bp->int_mode) {
6654 case INT_MODE_MSI:
6655 bnx2x_enable_msi(bp);
6656 /* falling through... */
6657 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006658 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006659 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006660 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006661 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006662 /* Set number of queues according to bp->multi_mode value */
6663 bnx2x_set_num_queues(bp);
6664
6665 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6666 bp->num_queues);
6667
6668 /* if we can't use MSI-X we only need one fp,
6669 * so try to enable MSI-X with the requested number of fp's
6670 * and fallback to MSI or legacy INTx with one fp
6671 */
6672 rc = bnx2x_enable_msix(bp);
6673 if (rc) {
6674 /* failed to enable MSI-X */
6675 if (bp->multi_mode)
6676 DP(NETIF_MSG_IFUP,
6677 "Multi requested but failed to "
6678 "enable MSI-X (%d), "
6679 "set number of queues to %d\n",
6680 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006681 1 + NONE_ETH_CONTEXT_USE);
6682 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006683
6684 if (!(bp->flags & DISABLE_MSI_FLAG))
6685 bnx2x_enable_msi(bp);
6686 }
6687
Eilon Greensteinca003922009-08-12 22:53:28 -07006688 break;
6689 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006690
6691 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006692}
6693
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006694/* must be called prioir to any HW initializations */
6695static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6696{
6697 return L2_ILT_LINES(bp);
6698}
6699
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006700void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006701{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006702 struct ilt_client_info *ilt_client;
6703 struct bnx2x_ilt *ilt = BP_ILT(bp);
6704 u16 line = 0;
6705
6706 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6707 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6708
6709 /* CDU */
6710 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6711 ilt_client->client_num = ILT_CLIENT_CDU;
6712 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6713 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6714 ilt_client->start = line;
6715 line += L2_ILT_LINES(bp);
6716#ifdef BCM_CNIC
6717 line += CNIC_ILT_LINES;
6718#endif
6719 ilt_client->end = line - 1;
6720
6721 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6722 "flags 0x%x, hw psz %d\n",
6723 ilt_client->start,
6724 ilt_client->end,
6725 ilt_client->page_size,
6726 ilt_client->flags,
6727 ilog2(ilt_client->page_size >> 12));
6728
6729 /* QM */
6730 if (QM_INIT(bp->qm_cid_count)) {
6731 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6732 ilt_client->client_num = ILT_CLIENT_QM;
6733 ilt_client->page_size = QM_ILT_PAGE_SZ;
6734 ilt_client->flags = 0;
6735 ilt_client->start = line;
6736
6737 /* 4 bytes for each cid */
6738 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6739 QM_ILT_PAGE_SZ);
6740
6741 ilt_client->end = line - 1;
6742
6743 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6744 "flags 0x%x, hw psz %d\n",
6745 ilt_client->start,
6746 ilt_client->end,
6747 ilt_client->page_size,
6748 ilt_client->flags,
6749 ilog2(ilt_client->page_size >> 12));
6750
6751 }
6752 /* SRC */
6753 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6754#ifdef BCM_CNIC
6755 ilt_client->client_num = ILT_CLIENT_SRC;
6756 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6757 ilt_client->flags = 0;
6758 ilt_client->start = line;
6759 line += SRC_ILT_LINES;
6760 ilt_client->end = line - 1;
6761
6762 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6763 "flags 0x%x, hw psz %d\n",
6764 ilt_client->start,
6765 ilt_client->end,
6766 ilt_client->page_size,
6767 ilt_client->flags,
6768 ilog2(ilt_client->page_size >> 12));
6769
6770#else
6771 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6772#endif
6773
6774 /* TM */
6775 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6776#ifdef BCM_CNIC
6777 ilt_client->client_num = ILT_CLIENT_TM;
6778 ilt_client->page_size = TM_ILT_PAGE_SZ;
6779 ilt_client->flags = 0;
6780 ilt_client->start = line;
6781 line += TM_ILT_LINES;
6782 ilt_client->end = line - 1;
6783
6784 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6785 "flags 0x%x, hw psz %d\n",
6786 ilt_client->start,
6787 ilt_client->end,
6788 ilt_client->page_size,
6789 ilt_client->flags,
6790 ilog2(ilt_client->page_size >> 12));
6791
6792#else
6793 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6794#endif
6795}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006796
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006797int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6798 int is_leading)
6799{
6800 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006801 int rc;
6802
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006803 /* reset IGU state skip FCoE L2 queue */
6804 if (!IS_FCOE_FP(fp))
6805 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006806 IGU_INT_ENABLE, 0);
6807
6808 params.ramrod_params.pstate = &fp->state;
6809 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6810 params.ramrod_params.index = fp->index;
6811 params.ramrod_params.cid = fp->cid;
6812
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006813#ifdef BCM_CNIC
6814 if (IS_FCOE_FP(fp))
6815 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6816
6817#endif
6818
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006819 if (is_leading)
6820 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6821
6822 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6823
6824 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6825
6826 rc = bnx2x_setup_fw_client(bp, &params, 1,
6827 bnx2x_sp(bp, client_init_data),
6828 bnx2x_sp_mapping(bp, client_init_data));
6829 return rc;
6830}
6831
stephen hemminger8d962862010-10-21 07:50:56 +00006832static int bnx2x_stop_fw_client(struct bnx2x *bp,
6833 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006834{
6835 int rc;
6836
6837 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6838
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006839 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006840 *p->pstate = BNX2X_FP_STATE_HALTING;
6841 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6842 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006843
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006844 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006845 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6846 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006847 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006848 return rc;
6849
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006850 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6851 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6852 p->cl_id, 0);
6853 /* Wait for completion */
6854 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6855 p->pstate, poll_flag);
6856 if (rc) /* timeout */
6857 return rc;
6858
6859
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006860 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006861 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006862
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006863 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006864 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6865 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006866 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006867}
6868
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006869static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006870{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006871 struct bnx2x_client_ramrod_params client_stop = {0};
6872 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006873
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006874 client_stop.index = index;
6875 client_stop.cid = fp->cid;
6876 client_stop.cl_id = fp->cl_id;
6877 client_stop.pstate = &(fp->state);
6878 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006879
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006880 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006881}
6882
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006883
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006884static void bnx2x_reset_func(struct bnx2x *bp)
6885{
6886 int port = BP_PORT(bp);
6887 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006888 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006889 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006890 (CHIP_IS_E2(bp) ?
6891 offsetof(struct hc_status_block_data_e2, common) :
6892 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006893 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6894 int pfid_offset = offsetof(struct pci_entity, pf_id);
6895
6896 /* Disable the function in the FW */
6897 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6898 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6899 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6900 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6901
6902 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006903 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006904 struct bnx2x_fastpath *fp = &bp->fp[i];
6905 REG_WR8(bp,
6906 BAR_CSTRORM_INTMEM +
6907 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6908 + pfunc_offset_fp + pfid_offset,
6909 HC_FUNCTION_DISABLED);
6910 }
6911
6912 /* SP SB */
6913 REG_WR8(bp,
6914 BAR_CSTRORM_INTMEM +
6915 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6916 pfunc_offset_sp + pfid_offset,
6917 HC_FUNCTION_DISABLED);
6918
6919
6920 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6921 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6922 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006923
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006924 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006925 if (bp->common.int_block == INT_BLOCK_HC) {
6926 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6927 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6928 } else {
6929 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6930 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6931 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006932
Michael Chan37b091b2009-10-10 13:46:55 +00006933#ifdef BCM_CNIC
6934 /* Disable Timer scan */
6935 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6936 /*
6937 * Wait for at least 10ms and up to 2 second for the timers scan to
6938 * complete
6939 */
6940 for (i = 0; i < 200; i++) {
6941 msleep(10);
6942 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6943 break;
6944 }
6945#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006946 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006947 bnx2x_clear_func_ilt(bp, func);
6948
6949 /* Timers workaround bug for E2: if this is vnic-3,
6950 * we need to set the entire ilt range for this timers.
6951 */
6952 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6953 struct ilt_client_info ilt_cli;
6954 /* use dummy TM client */
6955 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6956 ilt_cli.start = 0;
6957 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6958 ilt_cli.client_num = ILT_CLIENT_TM;
6959
6960 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6961 }
6962
6963 /* this assumes that reset_port() called before reset_func()*/
6964 if (CHIP_IS_E2(bp))
6965 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006966
6967 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006968}
6969
6970static void bnx2x_reset_port(struct bnx2x *bp)
6971{
6972 int port = BP_PORT(bp);
6973 u32 val;
6974
6975 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6976
6977 /* Do not rcv packets to BRB */
6978 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6979 /* Do not direct rcv packets that are not for MCP to the BRB */
6980 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6981 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6982
6983 /* Configure AEU */
6984 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6985
6986 msleep(100);
6987 /* Check for BRB port occupancy */
6988 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6989 if (val)
6990 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006991 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006992
6993 /* TODO: Close Doorbell port? */
6994}
6995
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006996static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6997{
6998 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006999 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007000
7001 switch (reset_code) {
7002 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
7003 bnx2x_reset_port(bp);
7004 bnx2x_reset_func(bp);
7005 bnx2x_reset_common(bp);
7006 break;
7007
7008 case FW_MSG_CODE_DRV_UNLOAD_PORT:
7009 bnx2x_reset_port(bp);
7010 bnx2x_reset_func(bp);
7011 break;
7012
7013 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
7014 bnx2x_reset_func(bp);
7015 break;
7016
7017 default:
7018 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
7019 break;
7020 }
7021}
7022
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007023#ifdef BCM_CNIC
7024static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
7025{
7026 if (bp->flags & FCOE_MACS_SET) {
7027 if (!IS_MF_SD(bp))
7028 bnx2x_set_fip_eth_mac_addr(bp, 0);
7029
7030 bnx2x_set_all_enode_macs(bp, 0);
7031
7032 bp->flags &= ~FCOE_MACS_SET;
7033 }
7034}
7035#endif
7036
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007037void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007038{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007039 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007040 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007041 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007042
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007043 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007044 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007045 struct bnx2x_fastpath *fp = &bp->fp[i];
7046
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007047 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007048 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007049
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007050 if (!cnt) {
7051 BNX2X_ERR("timeout waiting for queue[%d]\n",
7052 i);
7053#ifdef BNX2X_STOP_ON_ERROR
7054 bnx2x_panic();
7055 return -EBUSY;
7056#else
7057 break;
7058#endif
7059 }
7060 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007061 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007062 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007063 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007064 /* Give HW time to discard old tx messages */
7065 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007066
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007067 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007068
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007069 bnx2x_invalidate_uc_list(bp);
7070
7071 if (CHIP_IS_E1(bp))
7072 bnx2x_invalidate_e1_mc_list(bp);
7073 else {
7074 bnx2x_invalidate_e1h_mc_list(bp);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007075 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007076 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007077
Michael Chan993ac7b2009-10-10 13:46:56 +00007078#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007079 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007080#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007081
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007082 if (unload_mode == UNLOAD_NORMAL)
7083 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007084
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007085 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007086 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007087
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007088 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007089 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007090 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007091 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007092 /* The mac address is written to entries 1-4 to
7093 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007094 u8 entry = (BP_E1HVN(bp) + 1)*8;
7095
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007096 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007097 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007098
7099 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7100 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007101 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007102
7103 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007104
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007105 } else
7106 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7107
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007108 /* Close multi and leading connections
7109 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007110 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007111
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007112 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007113#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007114 return;
7115#else
7116 goto unload_error;
7117#endif
7118
7119 rc = bnx2x_func_stop(bp);
7120 if (rc) {
7121 BNX2X_ERR("Function stop failed!\n");
7122#ifdef BNX2X_STOP_ON_ERROR
7123 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007124#else
7125 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007126#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007127 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007128#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007129unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007130#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007131 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007132 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007133 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007134 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7135 "%d, %d, %d\n", BP_PATH(bp),
7136 load_count[BP_PATH(bp)][0],
7137 load_count[BP_PATH(bp)][1],
7138 load_count[BP_PATH(bp)][2]);
7139 load_count[BP_PATH(bp)][0]--;
7140 load_count[BP_PATH(bp)][1 + port]--;
7141 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7142 "%d, %d, %d\n", BP_PATH(bp),
7143 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7144 load_count[BP_PATH(bp)][2]);
7145 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007146 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007147 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007148 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7149 else
7150 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7151 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007152
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007153 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7154 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7155 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007156
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007157 /* Disable HW interrupts, NAPI */
7158 bnx2x_netif_stop(bp, 1);
7159
7160 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007161 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007162
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007163 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007164 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007165
7166 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007167 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007168 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007169
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007170}
7171
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007172void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007173{
7174 u32 val;
7175
7176 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7177
7178 if (CHIP_IS_E1(bp)) {
7179 int port = BP_PORT(bp);
7180 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7181 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7182
7183 val = REG_RD(bp, addr);
7184 val &= ~(0x300);
7185 REG_WR(bp, addr, val);
7186 } else if (CHIP_IS_E1H(bp)) {
7187 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7188 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7189 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7190 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7191 }
7192}
7193
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007194/* Close gates #2, #3 and #4: */
7195static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7196{
7197 u32 val, addr;
7198
7199 /* Gates #2 and #4a are closed/opened for "not E1" only */
7200 if (!CHIP_IS_E1(bp)) {
7201 /* #4 */
7202 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7203 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7204 close ? (val | 0x1) : (val & (~(u32)1)));
7205 /* #2 */
7206 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7207 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7208 close ? (val | 0x1) : (val & (~(u32)1)));
7209 }
7210
7211 /* #3 */
7212 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7213 val = REG_RD(bp, addr);
7214 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7215
7216 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7217 close ? "closing" : "opening");
7218 mmiowb();
7219}
7220
7221#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7222
7223static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7224{
7225 /* Do some magic... */
7226 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7227 *magic_val = val & SHARED_MF_CLP_MAGIC;
7228 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7229}
7230
Dmitry Kravkove8920672011-05-04 23:52:40 +00007231/**
7232 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007233 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007234 * @bp: driver handle
7235 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007236 */
7237static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7238{
7239 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007240 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7241 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7242 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7243}
7244
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007245/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007246 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007247 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007248 * @bp: driver handle
7249 * @magic_val: old value of 'magic' bit.
7250 *
7251 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007252 */
7253static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7254{
7255 u32 shmem;
7256 u32 validity_offset;
7257
7258 DP(NETIF_MSG_HW, "Starting\n");
7259
7260 /* Set `magic' bit in order to save MF config */
7261 if (!CHIP_IS_E1(bp))
7262 bnx2x_clp_reset_prep(bp, magic_val);
7263
7264 /* Get shmem offset */
7265 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7266 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7267
7268 /* Clear validity map flags */
7269 if (shmem > 0)
7270 REG_WR(bp, shmem + validity_offset, 0);
7271}
7272
7273#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7274#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7275
Dmitry Kravkove8920672011-05-04 23:52:40 +00007276/**
7277 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007278 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007279 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007280 */
7281static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7282{
7283 /* special handling for emulation and FPGA,
7284 wait 10 times longer */
7285 if (CHIP_REV_IS_SLOW(bp))
7286 msleep(MCP_ONE_TIMEOUT*10);
7287 else
7288 msleep(MCP_ONE_TIMEOUT);
7289}
7290
7291static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7292{
7293 u32 shmem, cnt, validity_offset, val;
7294 int rc = 0;
7295
7296 msleep(100);
7297
7298 /* Get shmem offset */
7299 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7300 if (shmem == 0) {
7301 BNX2X_ERR("Shmem 0 return failure\n");
7302 rc = -ENOTTY;
7303 goto exit_lbl;
7304 }
7305
7306 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7307
7308 /* Wait for MCP to come up */
7309 for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
7310 /* TBD: its best to check validity map of last port.
7311 * currently checks on port 0.
7312 */
7313 val = REG_RD(bp, shmem + validity_offset);
7314 DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
7315 shmem + validity_offset, val);
7316
7317 /* check that shared memory is valid. */
7318 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7319 == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7320 break;
7321
7322 bnx2x_mcp_wait_one(bp);
7323 }
7324
7325 DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);
7326
7327 /* Check that shared memory is valid. This indicates that MCP is up. */
7328 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
7329 (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
7330 BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
7331 rc = -ENOTTY;
7332 goto exit_lbl;
7333 }
7334
7335exit_lbl:
7336 /* Restore the `magic' bit value */
7337 if (!CHIP_IS_E1(bp))
7338 bnx2x_clp_reset_done(bp, magic_val);
7339
7340 return rc;
7341}
7342
7343static void bnx2x_pxp_prep(struct bnx2x *bp)
7344{
7345 if (!CHIP_IS_E1(bp)) {
7346 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7347 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7348 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7349 mmiowb();
7350 }
7351}
7352
7353/*
7354 * Reset the whole chip except for:
7355 * - PCIE core
7356 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7357 * one reset bit)
7358 * - IGU
7359 * - MISC (including AEU)
7360 * - GRC
7361 * - RBCN, RBCP
7362 */
7363static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7364{
7365 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7366
7367 not_reset_mask1 =
7368 MISC_REGISTERS_RESET_REG_1_RST_HC |
7369 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7370 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7371
7372 not_reset_mask2 =
7373 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7374 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7375 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7376 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7377 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7378 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7379 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7380 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7381
7382 reset_mask1 = 0xffffffff;
7383
7384 if (CHIP_IS_E1(bp))
7385 reset_mask2 = 0xffff;
7386 else
7387 reset_mask2 = 0x1ffff;
7388
7389 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7390 reset_mask1 & (~not_reset_mask1));
7391 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7392 reset_mask2 & (~not_reset_mask2));
7393
7394 barrier();
7395 mmiowb();
7396
7397 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7398 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7399 mmiowb();
7400}
7401
7402static int bnx2x_process_kill(struct bnx2x *bp)
7403{
7404 int cnt = 1000;
7405 u32 val = 0;
7406 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7407
7408
7409 /* Empty the Tetris buffer, wait for 1s */
7410 do {
7411 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7412 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7413 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7414 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7415 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7416 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7417 ((port_is_idle_0 & 0x1) == 0x1) &&
7418 ((port_is_idle_1 & 0x1) == 0x1) &&
7419 (pgl_exp_rom2 == 0xffffffff))
7420 break;
7421 msleep(1);
7422 } while (cnt-- > 0);
7423
7424 if (cnt <= 0) {
7425 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7426 " are still"
7427 " outstanding read requests after 1s!\n");
7428 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7429 " port_is_idle_0=0x%08x,"
7430 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7431 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7432 pgl_exp_rom2);
7433 return -EAGAIN;
7434 }
7435
7436 barrier();
7437
7438 /* Close gates #2, #3 and #4 */
7439 bnx2x_set_234_gates(bp, true);
7440
7441 /* TBD: Indicate that "process kill" is in progress to MCP */
7442
7443 /* Clear "unprepared" bit */
7444 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7445 barrier();
7446
7447 /* Make sure all is written to the chip before the reset */
7448 mmiowb();
7449
7450 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7451 * PSWHST, GRC and PSWRD Tetris buffer.
7452 */
7453 msleep(1);
7454
7455 /* Prepare to chip reset: */
7456 /* MCP */
7457 bnx2x_reset_mcp_prep(bp, &val);
7458
7459 /* PXP */
7460 bnx2x_pxp_prep(bp);
7461 barrier();
7462
7463 /* reset the chip */
7464 bnx2x_process_kill_chip_reset(bp);
7465 barrier();
7466
7467 /* Recover after reset: */
7468 /* MCP */
7469 if (bnx2x_reset_mcp_comp(bp, val))
7470 return -EAGAIN;
7471
7472 /* PXP */
7473 bnx2x_pxp_prep(bp);
7474
7475 /* Open the gates #2, #3 and #4 */
7476 bnx2x_set_234_gates(bp, false);
7477
7478 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7479 * reset state, re-enable attentions. */
7480
7481 return 0;
7482}
7483
7484static int bnx2x_leader_reset(struct bnx2x *bp)
7485{
7486 int rc = 0;
7487 /* Try to recover after the failure */
7488 if (bnx2x_process_kill(bp)) {
7489 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7490 bp->dev->name);
7491 rc = -EAGAIN;
7492 goto exit_leader_reset;
7493 }
7494
7495 /* Clear "reset is in progress" bit and update the driver state */
7496 bnx2x_set_reset_done(bp);
7497 bp->recovery_state = BNX2X_RECOVERY_DONE;
7498
7499exit_leader_reset:
7500 bp->is_leader = 0;
7501 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7502 smp_wmb();
7503 return rc;
7504}
7505
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007506/* Assumption: runs under rtnl lock. This together with the fact
7507 * that it's called only from bnx2x_reset_task() ensure that it
7508 * will never be called when netif_running(bp->dev) is false.
7509 */
7510static void bnx2x_parity_recover(struct bnx2x *bp)
7511{
7512 DP(NETIF_MSG_HW, "Handling parity\n");
7513 while (1) {
7514 switch (bp->recovery_state) {
7515 case BNX2X_RECOVERY_INIT:
7516 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7517 /* Try to get a LEADER_LOCK HW lock */
7518 if (bnx2x_trylock_hw_lock(bp,
7519 HW_LOCK_RESOURCE_RESERVED_08))
7520 bp->is_leader = 1;
7521
7522 /* Stop the driver */
7523 /* If interface has been removed - break */
7524 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7525 return;
7526
7527 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7528 /* Ensure "is_leader" and "recovery_state"
7529 * update values are seen on other CPUs
7530 */
7531 smp_wmb();
7532 break;
7533
7534 case BNX2X_RECOVERY_WAIT:
7535 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7536 if (bp->is_leader) {
7537 u32 load_counter = bnx2x_get_load_cnt(bp);
7538 if (load_counter) {
7539 /* Wait until all other functions get
7540 * down.
7541 */
7542 schedule_delayed_work(&bp->reset_task,
7543 HZ/10);
7544 return;
7545 } else {
7546 /* If all other functions got down -
7547 * try to bring the chip back to
7548 * normal. In any case it's an exit
7549 * point for a leader.
7550 */
7551 if (bnx2x_leader_reset(bp) ||
7552 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7553 printk(KERN_ERR"%s: Recovery "
7554 "has failed. Power cycle is "
7555 "needed.\n", bp->dev->name);
7556 /* Disconnect this device */
7557 netif_device_detach(bp->dev);
7558 /* Block ifup for all function
7559 * of this ASIC until
7560 * "process kill" or power
7561 * cycle.
7562 */
7563 bnx2x_set_reset_in_progress(bp);
7564 /* Shut down the power */
7565 bnx2x_set_power_state(bp,
7566 PCI_D3hot);
7567 return;
7568 }
7569
7570 return;
7571 }
7572 } else { /* non-leader */
7573 if (!bnx2x_reset_is_done(bp)) {
7574 /* Try to get a LEADER_LOCK HW lock as
7575 * long as a former leader may have
7576 * been unloaded by the user or
7577 * released a leadership by another
7578 * reason.
7579 */
7580 if (bnx2x_trylock_hw_lock(bp,
7581 HW_LOCK_RESOURCE_RESERVED_08)) {
7582 /* I'm a leader now! Restart a
7583 * switch case.
7584 */
7585 bp->is_leader = 1;
7586 break;
7587 }
7588
7589 schedule_delayed_work(&bp->reset_task,
7590 HZ/10);
7591 return;
7592
7593 } else { /* A leader has completed
7594 * the "process kill". It's an exit
7595 * point for a non-leader.
7596 */
7597 bnx2x_nic_load(bp, LOAD_NORMAL);
7598 bp->recovery_state =
7599 BNX2X_RECOVERY_DONE;
7600 smp_wmb();
7601 return;
7602 }
7603 }
7604 default:
7605 return;
7606 }
7607 }
7608}
7609
7610/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7611 * scheduled on a general queue in order to prevent a dead lock.
7612 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007613static void bnx2x_reset_task(struct work_struct *work)
7614{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007615 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007616
7617#ifdef BNX2X_STOP_ON_ERROR
7618 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7619 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007620 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007621 return;
7622#endif
7623
7624 rtnl_lock();
7625
7626 if (!netif_running(bp->dev))
7627 goto reset_task_exit;
7628
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007629 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7630 bnx2x_parity_recover(bp);
7631 else {
7632 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7633 bnx2x_nic_load(bp, LOAD_NORMAL);
7634 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007635
7636reset_task_exit:
7637 rtnl_unlock();
7638}
7639
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007640/* end of nic load/unload */
7641
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007642/*
7643 * Init service functions
7644 */
7645
stephen hemminger8d962862010-10-21 07:50:56 +00007646static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007647{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007648 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7649 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7650 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007651}
7652
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007653static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007654{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007655 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007656
7657 /* Flush all outstanding writes */
7658 mmiowb();
7659
7660 /* Pretend to be function 0 */
7661 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007662 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007663
7664 /* From now we are in the "like-E1" mode */
7665 bnx2x_int_disable(bp);
7666
7667 /* Flush all outstanding writes */
7668 mmiowb();
7669
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007670 /* Restore the original function */
7671 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7672 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007673}
7674
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007675static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007676{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007677 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007678 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007679 else
7680 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007681}
7682
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007683static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007684{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007685 u32 val;
7686
7687 /* Check if there is any driver already loaded */
7688 val = REG_RD(bp, MISC_REG_UNPREPARED);
7689 if (val == 0x1) {
7690 /* Check if it is the UNDI driver
7691 * UNDI driver initializes CID offset for normal bell to 0x7
7692 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007693 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007694 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7695 if (val == 0x7) {
7696 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007697 /* save our pf_num */
7698 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007699 u32 swap_en;
7700 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007701
Eilon Greensteinb4661732009-01-14 06:43:56 +00007702 /* clear the UNDI indication */
7703 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7704
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007705 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7706
7707 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007708 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007709 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007710 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007711 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007712 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007713
7714 /* if UNDI is loaded on the other port */
7715 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7716
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007717 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007718 bnx2x_fw_command(bp,
7719 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007720
7721 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007722 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007723 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007724 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007725 DRV_MSG_SEQ_NUMBER_MASK);
7726 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007727
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007728 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007729 }
7730
Eilon Greensteinb4661732009-01-14 06:43:56 +00007731 /* now it's safe to release the lock */
7732 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7733
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007734 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007735
7736 /* close input traffic and wait for it */
7737 /* Do not rcv packets to BRB */
7738 REG_WR(bp,
7739 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7740 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7741 /* Do not direct rcv packets that are not for MCP to
7742 * the BRB */
7743 REG_WR(bp,
7744 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7745 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7746 /* clear AEU */
7747 REG_WR(bp,
7748 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7749 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7750 msleep(10);
7751
7752 /* save NIG port swap info */
7753 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7754 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007755 /* reset device */
7756 REG_WR(bp,
7757 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007758 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007759 REG_WR(bp,
7760 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7761 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007762 /* take the NIG out of reset and restore swap values */
7763 REG_WR(bp,
7764 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7765 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7766 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7767 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7768
7769 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007770 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007771
7772 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007773 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007774 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007775 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007776 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007777 } else
7778 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007779 }
7780}
7781
7782static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7783{
7784 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007785 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007786
7787 /* Get the chip revision id and number. */
7788 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7789 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7790 id = ((val & 0xffff) << 16);
7791 val = REG_RD(bp, MISC_REG_CHIP_REV);
7792 id |= ((val & 0xf) << 12);
7793 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7794 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007795 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007796 id |= (val & 0xf);
7797 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007798
7799 /* Set doorbell size */
7800 bp->db_size = (1 << BNX2X_DB_SHIFT);
7801
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007802 if (CHIP_IS_E2(bp)) {
7803 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7804 if ((val & 1) == 0)
7805 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7806 else
7807 val = (val >> 1) & 1;
7808 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7809 "2_PORT_MODE");
7810 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7811 CHIP_2_PORT_MODE;
7812
7813 if (CHIP_MODE_IS_4_PORT(bp))
7814 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7815 else
7816 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7817 } else {
7818 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7819 bp->pfid = bp->pf_num; /* 0..7 */
7820 }
7821
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007822 /*
7823 * set base FW non-default (fast path) status block id, this value is
7824 * used to initialize the fw_sb_id saved on the fp/queue structure to
7825 * determine the id used by the FW.
7826 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007827 if (CHIP_IS_E1x(bp))
7828 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7829 else /* E2 */
7830 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7831
7832 bp->link_params.chip_id = bp->common.chip_id;
7833 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007834
Eilon Greenstein1c063282009-02-12 08:36:43 +00007835 val = (REG_RD(bp, 0x2874) & 0x55);
7836 if ((bp->common.chip_id & 0x1) ||
7837 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7838 bp->flags |= ONE_PORT_FLAG;
7839 BNX2X_DEV_INFO("single port device\n");
7840 }
7841
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007842 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7843 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7844 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7845 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7846 bp->common.flash_size, bp->common.flash_size);
7847
7848 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007849 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7850 MISC_REG_GENERIC_CR_1 :
7851 MISC_REG_GENERIC_CR_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007852 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007853 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007854 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7855 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007856
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007857 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007858 BNX2X_DEV_INFO("MCP not active\n");
7859 bp->flags |= NO_MCP_FLAG;
7860 return;
7861 }
7862
7863 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7864 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
7865 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007866 BNX2X_ERR("BAD MCP validity signature\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007867
7868 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007869 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007870
7871 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7872 SHARED_HW_CFG_LED_MODE_MASK) >>
7873 SHARED_HW_CFG_LED_MODE_SHIFT);
7874
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007875 bp->link_params.feature_config_flags = 0;
7876 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7877 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7878 bp->link_params.feature_config_flags |=
7879 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7880 else
7881 bp->link_params.feature_config_flags &=
7882 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7883
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007884 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7885 bp->common.bc_ver = val;
7886 BNX2X_DEV_INFO("bc_ver %X\n", val);
7887 if (val < BNX2X_BC_VER) {
7888 /* for now only warn
7889 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007890 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7891 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007892 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007893 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007894 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007895 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7896
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007897 bp->link_params.feature_config_flags |=
7898 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7899 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007900
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00007901 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7902 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7903
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007904 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007905 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007906
7907 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7908 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7909 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7910 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7911
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007912 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7913 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007914}
7915
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007916#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7917#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7918
7919static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7920{
7921 int pfid = BP_FUNC(bp);
7922 int vn = BP_E1HVN(bp);
7923 int igu_sb_id;
7924 u32 val;
7925 u8 fid;
7926
7927 bp->igu_base_sb = 0xff;
7928 bp->igu_sb_cnt = 0;
7929 if (CHIP_INT_MODE_IS_BC(bp)) {
7930 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007931 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007932
7933 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7934 FP_SB_MAX_E1x;
7935
7936 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7937 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7938
7939 return;
7940 }
7941
7942 /* IGU in normal mode - read CAM */
7943 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7944 igu_sb_id++) {
7945 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7946 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7947 continue;
7948 fid = IGU_FID(val);
7949 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7950 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7951 continue;
7952 if (IGU_VEC(val) == 0)
7953 /* default status block */
7954 bp->igu_dsb_id = igu_sb_id;
7955 else {
7956 if (bp->igu_base_sb == 0xff)
7957 bp->igu_base_sb = igu_sb_id;
7958 bp->igu_sb_cnt++;
7959 }
7960 }
7961 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007962 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
7963 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007964 if (bp->igu_sb_cnt == 0)
7965 BNX2X_ERR("CAM configuration error\n");
7966}
7967
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007968static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7969 u32 switch_cfg)
7970{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007971 int cfg_size = 0, idx, port = BP_PORT(bp);
7972
7973 /* Aggregation of supported attributes of all external phys */
7974 bp->port.supported[0] = 0;
7975 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007976 switch (bp->link_params.num_phys) {
7977 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007978 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
7979 cfg_size = 1;
7980 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007981 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007982 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
7983 cfg_size = 1;
7984 break;
7985 case 3:
7986 if (bp->link_params.multi_phy_config &
7987 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
7988 bp->port.supported[1] =
7989 bp->link_params.phy[EXT_PHY1].supported;
7990 bp->port.supported[0] =
7991 bp->link_params.phy[EXT_PHY2].supported;
7992 } else {
7993 bp->port.supported[0] =
7994 bp->link_params.phy[EXT_PHY1].supported;
7995 bp->port.supported[1] =
7996 bp->link_params.phy[EXT_PHY2].supported;
7997 }
7998 cfg_size = 2;
7999 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008000 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008001
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008002 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008003 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008004 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008005 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008006 dev_info.port_hw_config[port].external_phy_config),
8007 SHMEM_RD(bp,
8008 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008009 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008010 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008011
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008012 switch (switch_cfg) {
8013 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008014 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
8015 port*0x10);
8016 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008017 break;
8018
8019 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008020 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
8021 port*0x18);
8022 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008023 break;
8024
8025 default:
8026 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008027 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008028 return;
8029 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008030 /* mask what we support according to speed_cap_mask per configuration */
8031 for (idx = 0; idx < cfg_size; idx++) {
8032 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008033 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008034 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008035
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008036 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008037 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008038 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008039
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008040 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008041 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008042 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008043
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008044 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008045 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008046 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008047
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008048 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008049 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008050 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008051 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008052
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008053 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008054 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008055 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008056
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008057 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008058 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008059 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008060
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008061 }
8062
8063 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8064 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008065}
8066
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008067static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008068{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008069 u32 link_config, idx, cfg_size = 0;
8070 bp->port.advertising[0] = 0;
8071 bp->port.advertising[1] = 0;
8072 switch (bp->link_params.num_phys) {
8073 case 1:
8074 case 2:
8075 cfg_size = 1;
8076 break;
8077 case 3:
8078 cfg_size = 2;
8079 break;
8080 }
8081 for (idx = 0; idx < cfg_size; idx++) {
8082 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8083 link_config = bp->port.link_config[idx];
8084 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008085 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008086 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8087 bp->link_params.req_line_speed[idx] =
8088 SPEED_AUTO_NEG;
8089 bp->port.advertising[idx] |=
8090 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008091 } else {
8092 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008093 bp->link_params.req_line_speed[idx] =
8094 SPEED_10000;
8095 bp->port.advertising[idx] |=
8096 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008097 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008098 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008099 }
8100 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008101
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008102 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008103 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8104 bp->link_params.req_line_speed[idx] =
8105 SPEED_10;
8106 bp->port.advertising[idx] |=
8107 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008108 ADVERTISED_TP);
8109 } else {
8110 BNX2X_ERROR("NVRAM config error. "
8111 "Invalid link_config 0x%x"
8112 " speed_cap_mask 0x%x\n",
8113 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008114 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008115 return;
8116 }
8117 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008118
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008119 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008120 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8121 bp->link_params.req_line_speed[idx] =
8122 SPEED_10;
8123 bp->link_params.req_duplex[idx] =
8124 DUPLEX_HALF;
8125 bp->port.advertising[idx] |=
8126 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008127 ADVERTISED_TP);
8128 } else {
8129 BNX2X_ERROR("NVRAM config error. "
8130 "Invalid link_config 0x%x"
8131 " speed_cap_mask 0x%x\n",
8132 link_config,
8133 bp->link_params.speed_cap_mask[idx]);
8134 return;
8135 }
8136 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008137
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008138 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8139 if (bp->port.supported[idx] &
8140 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008141 bp->link_params.req_line_speed[idx] =
8142 SPEED_100;
8143 bp->port.advertising[idx] |=
8144 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008145 ADVERTISED_TP);
8146 } else {
8147 BNX2X_ERROR("NVRAM config error. "
8148 "Invalid link_config 0x%x"
8149 " speed_cap_mask 0x%x\n",
8150 link_config,
8151 bp->link_params.speed_cap_mask[idx]);
8152 return;
8153 }
8154 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008155
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008156 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8157 if (bp->port.supported[idx] &
8158 SUPPORTED_100baseT_Half) {
8159 bp->link_params.req_line_speed[idx] =
8160 SPEED_100;
8161 bp->link_params.req_duplex[idx] =
8162 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008163 bp->port.advertising[idx] |=
8164 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008165 ADVERTISED_TP);
8166 } else {
8167 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008168 "Invalid link_config 0x%x"
8169 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008170 link_config,
8171 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008172 return;
8173 }
8174 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008175
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008176 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008177 if (bp->port.supported[idx] &
8178 SUPPORTED_1000baseT_Full) {
8179 bp->link_params.req_line_speed[idx] =
8180 SPEED_1000;
8181 bp->port.advertising[idx] |=
8182 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008183 ADVERTISED_TP);
8184 } else {
8185 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008186 "Invalid link_config 0x%x"
8187 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008188 link_config,
8189 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008190 return;
8191 }
8192 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008193
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008194 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008195 if (bp->port.supported[idx] &
8196 SUPPORTED_2500baseX_Full) {
8197 bp->link_params.req_line_speed[idx] =
8198 SPEED_2500;
8199 bp->port.advertising[idx] |=
8200 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008201 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008202 } else {
8203 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008204 "Invalid link_config 0x%x"
8205 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008206 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008207 bp->link_params.speed_cap_mask[idx]);
8208 return;
8209 }
8210 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008211
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008212 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8213 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8214 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008215 if (bp->port.supported[idx] &
8216 SUPPORTED_10000baseT_Full) {
8217 bp->link_params.req_line_speed[idx] =
8218 SPEED_10000;
8219 bp->port.advertising[idx] |=
8220 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008221 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008222 } else {
8223 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008224 "Invalid link_config 0x%x"
8225 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008226 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008227 bp->link_params.speed_cap_mask[idx]);
8228 return;
8229 }
8230 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008231
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008232 default:
8233 BNX2X_ERROR("NVRAM config error. "
8234 "BAD link speed link_config 0x%x\n",
8235 link_config);
8236 bp->link_params.req_line_speed[idx] =
8237 SPEED_AUTO_NEG;
8238 bp->port.advertising[idx] =
8239 bp->port.supported[idx];
8240 break;
8241 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008242
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008243 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008244 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008245 if ((bp->link_params.req_flow_ctrl[idx] ==
8246 BNX2X_FLOW_CTRL_AUTO) &&
8247 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8248 bp->link_params.req_flow_ctrl[idx] =
8249 BNX2X_FLOW_CTRL_NONE;
8250 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008251
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008252 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8253 " 0x%x advertising 0x%x\n",
8254 bp->link_params.req_line_speed[idx],
8255 bp->link_params.req_duplex[idx],
8256 bp->link_params.req_flow_ctrl[idx],
8257 bp->port.advertising[idx]);
8258 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008259}
8260
Michael Chane665bfd2009-10-10 13:46:54 +00008261static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8262{
8263 mac_hi = cpu_to_be16(mac_hi);
8264 mac_lo = cpu_to_be32(mac_lo);
8265 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8266 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8267}
8268
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008269static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008270{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008271 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008272 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008273 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008274
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008275 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008276 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008277
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008278 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008279 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008280
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008281 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008282 SHMEM_RD(bp,
8283 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008284 bp->link_params.speed_cap_mask[1] =
8285 SHMEM_RD(bp,
8286 dev_info.port_hw_config[port].speed_capability_mask2);
8287 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008288 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8289
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008290 bp->port.link_config[1] =
8291 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008292
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008293 bp->link_params.multi_phy_config =
8294 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008295 /* If the device is capable of WoL, set the default state according
8296 * to the HW
8297 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008298 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008299 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8300 (config & PORT_FEATURE_WOL_ENABLED));
8301
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008302 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008303 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008304 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008305 bp->link_params.speed_cap_mask[0],
8306 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008307
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008308 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008309 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008310 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008311 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008312
8313 bnx2x_link_settings_requested(bp);
8314
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008315 /*
8316 * If connected directly, work with the internal PHY, otherwise, work
8317 * with the external PHY
8318 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008319 ext_phy_config =
8320 SHMEM_RD(bp,
8321 dev_info.port_hw_config[port].external_phy_config);
8322 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008323 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008324 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008325
8326 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8327 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8328 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008329 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008330
8331 /*
8332 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8333 * In MF mode, it is set to cover self test cases
8334 */
8335 if (IS_MF(bp))
8336 bp->port.need_hw_lock = 1;
8337 else
8338 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8339 bp->common.shmem_base,
8340 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008341}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008342
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008343#ifdef BCM_CNIC
8344static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8345{
8346 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8347 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8348 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8349 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8350
8351 /* Get the number of maximum allowed iSCSI and FCoE connections */
8352 bp->cnic_eth_dev.max_iscsi_conn =
8353 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8354 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8355
8356 bp->cnic_eth_dev.max_fcoe_conn =
8357 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8358 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8359
8360 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8361 bp->cnic_eth_dev.max_iscsi_conn,
8362 bp->cnic_eth_dev.max_fcoe_conn);
8363
8364 /* If mamimum allowed number of connections is zero -
8365 * disable the feature.
8366 */
8367 if (!bp->cnic_eth_dev.max_iscsi_conn)
8368 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8369
8370 if (!bp->cnic_eth_dev.max_fcoe_conn)
8371 bp->flags |= NO_FCOE_FLAG;
8372}
8373#endif
8374
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008375static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8376{
8377 u32 val, val2;
8378 int func = BP_ABS_FUNC(bp);
8379 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008380#ifdef BCM_CNIC
8381 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8382 u8 *fip_mac = bp->fip_mac;
8383#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008384
8385 if (BP_NOMCP(bp)) {
8386 BNX2X_ERROR("warning: random MAC workaround active\n");
8387 random_ether_addr(bp->dev->dev_addr);
8388 } else if (IS_MF(bp)) {
8389 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8390 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8391 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8392 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8393 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8394
8395#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008396 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8397 * FCoE MAC then the appropriate feature should be disabled.
8398 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008399 if (IS_MF_SI(bp)) {
8400 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8401 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8402 val2 = MF_CFG_RD(bp, func_ext_config[func].
8403 iscsi_mac_addr_upper);
8404 val = MF_CFG_RD(bp, func_ext_config[func].
8405 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008406 BNX2X_DEV_INFO("Read iSCSI MAC: "
8407 "0x%x:0x%04x\n", val2, val);
8408 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008409 } else
8410 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8411
8412 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8413 val2 = MF_CFG_RD(bp, func_ext_config[func].
8414 fcoe_mac_addr_upper);
8415 val = MF_CFG_RD(bp, func_ext_config[func].
8416 fcoe_mac_addr_lower);
8417 BNX2X_DEV_INFO("Read FCoE MAC to "
8418 "0x%x:0x%04x\n", val2, val);
8419 bnx2x_set_mac_buf(fip_mac, val, val2);
8420
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008421 } else
8422 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008423 }
8424#endif
8425 } else {
8426 /* in SF read MACs from port configuration */
8427 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8428 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8429 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8430
8431#ifdef BCM_CNIC
8432 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8433 iscsi_mac_upper);
8434 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8435 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008436 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008437#endif
8438 }
8439
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008440 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8441 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008442
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008443#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008444 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008445 if (!CHIP_IS_E1x(bp)) {
8446 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008447 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8448 else if (!IS_MF(bp))
8449 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008450 }
Dmitry Kravkov426b9242011-05-04 23:49:53 +00008451
8452 /* Disable iSCSI if MAC configuration is
8453 * invalid.
8454 */
8455 if (!is_valid_ether_addr(iscsi_mac)) {
8456 bp->flags |= NO_ISCSI_FLAG;
8457 memset(iscsi_mac, 0, ETH_ALEN);
8458 }
8459
8460 /* Disable FCoE if MAC configuration is
8461 * invalid.
8462 */
8463 if (!is_valid_ether_addr(fip_mac)) {
8464 bp->flags |= NO_FCOE_FLAG;
8465 memset(bp->fip_mac, 0, ETH_ALEN);
8466 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008467#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008468}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008469
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008470static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8471{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008472 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07008473 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008474 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008475 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008476
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008477 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008478
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008479 if (CHIP_IS_E1x(bp)) {
8480 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008481
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008482 bp->igu_dsb_id = DEF_SB_IGU_ID;
8483 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008484 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8485 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008486 } else {
8487 bp->common.int_block = INT_BLOCK_IGU;
8488 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8489 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8490 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8491 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8492 } else
8493 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8494
8495 bnx2x_get_igu_cam_info(bp);
8496
8497 }
8498 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8499 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8500
8501 /*
8502 * Initialize MF configuration
8503 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008504
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008505 bp->mf_ov = 0;
8506 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008507 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008508
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008509 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008510 DP(NETIF_MSG_PROBE,
8511 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8512 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8513 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008514 if (SHMEM2_HAS(bp, mf_cfg_addr))
8515 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8516 else
8517 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008518 offsetof(struct shmem_region, func_mb) +
8519 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008520 /*
8521 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008522 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008523 * 2. MAC address must be legal (check only upper bytes)
8524 * for Switch-Independent mode;
8525 * OVLAN must be legal for Switch-Dependent mode
8526 * 3. SF_MODE configures specific MF mode
8527 */
8528 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8529 /* get mf configuration */
8530 val = SHMEM_RD(bp,
8531 dev_info.shared_feature_config.config);
8532 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008533
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008534 switch (val) {
8535 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8536 val = MF_CFG_RD(bp, func_mf_config[func].
8537 mac_upper);
8538 /* check for legal mac (upper bytes)*/
8539 if (val != 0xffff) {
8540 bp->mf_mode = MULTI_FUNCTION_SI;
8541 bp->mf_config[vn] = MF_CFG_RD(bp,
8542 func_mf_config[func].config);
8543 } else
8544 DP(NETIF_MSG_PROBE, "illegal MAC "
8545 "address for SI\n");
8546 break;
8547 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8548 /* get OV configuration */
8549 val = MF_CFG_RD(bp,
8550 func_mf_config[FUNC_0].e1hov_tag);
8551 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8552
8553 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8554 bp->mf_mode = MULTI_FUNCTION_SD;
8555 bp->mf_config[vn] = MF_CFG_RD(bp,
8556 func_mf_config[func].config);
8557 } else
8558 DP(NETIF_MSG_PROBE, "illegal OV for "
8559 "SD\n");
8560 break;
8561 default:
8562 /* Unknown configuration: reset mf_config */
8563 bp->mf_config[vn] = 0;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008564 DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008565 val);
8566 }
8567 }
8568
Eilon Greenstein2691d512009-08-12 08:22:08 +00008569 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008570 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008571
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008572 switch (bp->mf_mode) {
8573 case MULTI_FUNCTION_SD:
8574 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8575 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008576 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008577 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008578 BNX2X_DEV_INFO("MF OV for func %d is %d"
8579 " (0x%04x)\n", func,
8580 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008581 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008582 BNX2X_ERR("No valid MF OV for func %d,"
8583 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008584 rc = -EPERM;
8585 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008586 break;
8587 case MULTI_FUNCTION_SI:
8588 BNX2X_DEV_INFO("func %d is in MF "
8589 "switch-independent mode\n", func);
8590 break;
8591 default:
8592 if (vn) {
8593 BNX2X_ERR("VN %d in single function mode,"
8594 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008595 rc = -EPERM;
8596 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008597 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008598 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008599
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008600 }
8601
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008602 /* adjust igu_sb_cnt to MF for E1x */
8603 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008604 bp->igu_sb_cnt /= E1HVN_MAX;
8605
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008606 /*
8607 * adjust E2 sb count: to be removed when FW will support
8608 * more then 16 L2 clients
8609 */
8610#define MAX_L2_CLIENTS 16
8611 if (CHIP_IS_E2(bp))
8612 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8613 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8614
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008615 if (!BP_NOMCP(bp)) {
8616 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008617
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008618 bp->fw_seq =
8619 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8620 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008621 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8622 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008623
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008624 /* Get MAC addresses */
8625 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008626
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008627#ifdef BCM_CNIC
8628 bnx2x_get_cnic_info(bp);
8629#endif
8630
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008631 return rc;
8632}
8633
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008634static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8635{
8636 int cnt, i, block_end, rodi;
8637 char vpd_data[BNX2X_VPD_LEN+1];
8638 char str_id_reg[VENDOR_ID_LEN+1];
8639 char str_id_cap[VENDOR_ID_LEN+1];
8640 u8 len;
8641
8642 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8643 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8644
8645 if (cnt < BNX2X_VPD_LEN)
8646 goto out_not_found;
8647
8648 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8649 PCI_VPD_LRDT_RO_DATA);
8650 if (i < 0)
8651 goto out_not_found;
8652
8653
8654 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8655 pci_vpd_lrdt_size(&vpd_data[i]);
8656
8657 i += PCI_VPD_LRDT_TAG_SIZE;
8658
8659 if (block_end > BNX2X_VPD_LEN)
8660 goto out_not_found;
8661
8662 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8663 PCI_VPD_RO_KEYWORD_MFR_ID);
8664 if (rodi < 0)
8665 goto out_not_found;
8666
8667 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8668
8669 if (len != VENDOR_ID_LEN)
8670 goto out_not_found;
8671
8672 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8673
8674 /* vendor specific info */
8675 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8676 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8677 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8678 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8679
8680 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8681 PCI_VPD_RO_KEYWORD_VENDOR0);
8682 if (rodi >= 0) {
8683 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8684
8685 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8686
8687 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8688 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8689 bp->fw_ver[len] = ' ';
8690 }
8691 }
8692 return;
8693 }
8694out_not_found:
8695 return;
8696}
8697
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008698static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8699{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008700 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008701 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008702 int rc;
8703
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008704 /* Disable interrupt handling until HW is initialized */
8705 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008706 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008707
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008708 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008709 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008710 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008711#ifdef BCM_CNIC
8712 mutex_init(&bp->cnic_mutex);
8713#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008714
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008715 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008716 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008717
8718 rc = bnx2x_get_hwinfo(bp);
8719
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008720 if (!rc)
8721 rc = bnx2x_alloc_mem_bp(bp);
8722
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008723 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008724
8725 func = BP_FUNC(bp);
8726
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008727 /* need to reset chip if undi was active */
8728 if (!BP_NOMCP(bp))
8729 bnx2x_undi_unload(bp);
8730
8731 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008732 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008733
8734 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008735 dev_err(&bp->pdev->dev, "MCP disabled, "
8736 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008737
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008738 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008739 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008740
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008741 /* Set TPA flags */
8742 if (disable_tpa) {
8743 bp->flags &= ~TPA_ENABLE_FLAG;
8744 bp->dev->features &= ~NETIF_F_LRO;
8745 } else {
8746 bp->flags |= TPA_ENABLE_FLAG;
8747 bp->dev->features |= NETIF_F_LRO;
8748 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008749 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008750
Eilon Greensteina18f5122009-08-12 08:23:26 +00008751 if (CHIP_IS_E1(bp))
8752 bp->dropless_fc = 0;
8753 else
8754 bp->dropless_fc = dropless_fc;
8755
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008756 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008757
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008758 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008759
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008760 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008761 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8762 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008763
Eilon Greenstein87942b42009-02-12 08:36:49 +00008764 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8765 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008766
8767 init_timer(&bp->timer);
8768 bp->timer.expires = jiffies + bp->current_interval;
8769 bp->timer.data = (unsigned long) bp;
8770 bp->timer.function = bnx2x_timer;
8771
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008772 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008773 bnx2x_dcbx_init_params(bp);
8774
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008775 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008776}
8777
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008778
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008779/****************************************************************************
8780* General service functions
8781****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008782
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008783/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008784static int bnx2x_open(struct net_device *dev)
8785{
8786 struct bnx2x *bp = netdev_priv(dev);
8787
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008788 netif_carrier_off(dev);
8789
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008790 bnx2x_set_power_state(bp, PCI_D0);
8791
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008792 if (!bnx2x_reset_is_done(bp)) {
8793 do {
8794 /* Reset MCP mail box sequence if there is on going
8795 * recovery
8796 */
8797 bp->fw_seq = 0;
8798
8799 /* If it's the first function to load and reset done
8800 * is still not cleared it may mean that. We don't
8801 * check the attention state here because it may have
8802 * already been cleared by a "common" reset but we
8803 * shell proceed with "process kill" anyway.
8804 */
8805 if ((bnx2x_get_load_cnt(bp) == 0) &&
8806 bnx2x_trylock_hw_lock(bp,
8807 HW_LOCK_RESOURCE_RESERVED_08) &&
8808 (!bnx2x_leader_reset(bp))) {
8809 DP(NETIF_MSG_HW, "Recovered in open\n");
8810 break;
8811 }
8812
8813 bnx2x_set_power_state(bp, PCI_D3hot);
8814
8815 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8816 " completed yet. Try again later. If u still see this"
8817 " message after a few retries then power cycle is"
8818 " required.\n", bp->dev->name);
8819
8820 return -EAGAIN;
8821 } while (0);
8822 }
8823
8824 bp->recovery_state = BNX2X_RECOVERY_DONE;
8825
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008826 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008827}
8828
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008829/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008830static int bnx2x_close(struct net_device *dev)
8831{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008832 struct bnx2x *bp = netdev_priv(dev);
8833
8834 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008835 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008836 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008837
8838 return 0;
8839}
8840
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008841#define E1_MAX_UC_LIST 29
8842#define E1H_MAX_UC_LIST 30
8843#define E2_MAX_UC_LIST 14
8844static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
8845{
8846 if (CHIP_IS_E1(bp))
8847 return E1_MAX_UC_LIST;
8848 else if (CHIP_IS_E1H(bp))
8849 return E1H_MAX_UC_LIST;
8850 else
8851 return E2_MAX_UC_LIST;
8852}
8853
8854
8855static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
8856{
8857 if (CHIP_IS_E1(bp))
8858 /* CAM Entries for Port0:
8859 * 0 - prim ETH MAC
8860 * 1 - BCAST MAC
8861 * 2 - iSCSI L2 ring ETH MAC
8862 * 3-31 - UC MACs
8863 *
8864 * Port1 entries are allocated the same way starting from
8865 * entry 32.
8866 */
8867 return 3 + 32 * BP_PORT(bp);
8868 else if (CHIP_IS_E1H(bp)) {
8869 /* CAM Entries:
8870 * 0-7 - prim ETH MAC for each function
8871 * 8-15 - iSCSI L2 ring ETH MAC for each function
8872 * 16 till 255 UC MAC lists for each function
8873 *
8874 * Remark: There is no FCoE support for E1H, thus FCoE related
8875 * MACs are not considered.
8876 */
8877 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
8878 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
8879 } else {
8880 /* CAM Entries (there is a separate CAM per engine):
8881 * 0-4 - prim ETH MAC for each function
8882 * 4-7 - iSCSI L2 ring ETH MAC for each function
8883 * 8-11 - FIP ucast L2 MAC for each function
8884 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
8885 * 16 till 71 UC MAC lists for each function
8886 */
8887 u8 func_idx =
8888 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
8889
8890 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
8891 bnx2x_max_uc_list(bp) * func_idx;
8892 }
8893}
8894
8895/* set uc list, do not wait as wait implies sleep and
8896 * set_rx_mode can be invoked from non-sleepable context.
8897 *
8898 * Instead we use the same ramrod data buffer each time we need
8899 * to configure a list of addresses, and use the fact that the
8900 * list of MACs is changed in an incremental way and that the
8901 * function is called under the netif_addr_lock. A temporary
8902 * inconsistent CAM configuration (possible in case of very fast
8903 * sequence of add/del/add on the host side) will shortly be
8904 * restored by the handler of the last ramrod.
8905 */
8906static int bnx2x_set_uc_list(struct bnx2x *bp)
8907{
8908 int i = 0, old;
8909 struct net_device *dev = bp->dev;
8910 u8 offset = bnx2x_uc_list_cam_offset(bp);
8911 struct netdev_hw_addr *ha;
8912 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8913 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8914
8915 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
8916 return -EINVAL;
8917
8918 netdev_for_each_uc_addr(ha, dev) {
8919 /* copy mac */
8920 config_cmd->config_table[i].msb_mac_addr =
8921 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
8922 config_cmd->config_table[i].middle_mac_addr =
8923 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
8924 config_cmd->config_table[i].lsb_mac_addr =
8925 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
8926
8927 config_cmd->config_table[i].vlan_id = 0;
8928 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
8929 config_cmd->config_table[i].clients_bit_vector =
8930 cpu_to_le32(1 << BP_L_ID(bp));
8931
8932 SET_FLAG(config_cmd->config_table[i].flags,
8933 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8934 T_ETH_MAC_COMMAND_SET);
8935
8936 DP(NETIF_MSG_IFUP,
8937 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
8938 config_cmd->config_table[i].msb_mac_addr,
8939 config_cmd->config_table[i].middle_mac_addr,
8940 config_cmd->config_table[i].lsb_mac_addr);
8941
8942 i++;
8943
8944 /* Set uc MAC in NIG */
8945 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
8946 LLH_CAM_ETH_LINE + i);
8947 }
8948 old = config_cmd->hdr.length;
8949 if (old > i) {
8950 for (; i < old; i++) {
8951 if (CAM_IS_INVALID(config_cmd->
8952 config_table[i])) {
8953 /* already invalidated */
8954 break;
8955 }
8956 /* invalidate */
8957 SET_FLAG(config_cmd->config_table[i].flags,
8958 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8959 T_ETH_MAC_COMMAND_INVALIDATE);
8960 }
8961 }
8962
8963 wmb();
8964
8965 config_cmd->hdr.length = i;
8966 config_cmd->hdr.offset = offset;
8967 config_cmd->hdr.client_id = 0xff;
8968 /* Mark that this ramrod doesn't use bp->set_mac_pending for
8969 * synchronization.
8970 */
8971 config_cmd->hdr.echo = 0;
8972
8973 mb();
8974
8975 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8976 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8977
8978}
8979
8980void bnx2x_invalidate_uc_list(struct bnx2x *bp)
8981{
8982 int i;
8983 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8984 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8985 int ramrod_flags = WAIT_RAMROD_COMMON;
8986 u8 offset = bnx2x_uc_list_cam_offset(bp);
8987 u8 max_list_size = bnx2x_max_uc_list(bp);
8988
8989 for (i = 0; i < max_list_size; i++) {
8990 SET_FLAG(config_cmd->config_table[i].flags,
8991 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8992 T_ETH_MAC_COMMAND_INVALIDATE);
8993 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
8994 }
8995
8996 wmb();
8997
8998 config_cmd->hdr.length = max_list_size;
8999 config_cmd->hdr.offset = offset;
9000 config_cmd->hdr.client_id = 0xff;
9001 /* We'll wait for a completion this time... */
9002 config_cmd->hdr.echo = 1;
9003
9004 bp->set_mac_pending = 1;
9005
9006 mb();
9007
9008 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
9009 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
9010
9011 /* Wait for a completion */
9012 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
9013 ramrod_flags);
9014
9015}
9016
9017static inline int bnx2x_set_mc_list(struct bnx2x *bp)
9018{
9019 /* some multicasts */
9020 if (CHIP_IS_E1(bp)) {
9021 return bnx2x_set_e1_mc_list(bp);
9022 } else { /* E1H and newer */
9023 return bnx2x_set_e1h_mc_list(bp);
9024 }
9025}
9026
Eilon Greensteinf5372252009-02-12 08:38:30 +00009027/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00009028void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009029{
9030 struct bnx2x *bp = netdev_priv(dev);
9031 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009032
9033 if (bp->state != BNX2X_STATE_OPEN) {
9034 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
9035 return;
9036 }
9037
9038 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
9039
9040 if (dev->flags & IFF_PROMISC)
9041 rx_mode = BNX2X_RX_MODE_PROMISC;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009042 else if (dev->flags & IFF_ALLMULTI)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009043 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009044 else {
9045 /* some multicasts */
9046 if (bnx2x_set_mc_list(bp))
9047 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009048
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009049 /* some unicasts */
9050 if (bnx2x_set_uc_list(bp))
9051 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009052 }
9053
9054 bp->rx_mode = rx_mode;
9055 bnx2x_set_storm_rx_mode(bp);
9056}
9057
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009058/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009059static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
9060 int devad, u16 addr)
9061{
9062 struct bnx2x *bp = netdev_priv(netdev);
9063 u16 value;
9064 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009065
9066 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
9067 prtad, devad, addr);
9068
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009069 /* The HW expects different devad if CL22 is used */
9070 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9071
9072 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009073 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009074 bnx2x_release_phy_lock(bp);
9075 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
9076
9077 if (!rc)
9078 rc = value;
9079 return rc;
9080}
9081
9082/* called with rtnl_lock */
9083static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
9084 u16 addr, u16 value)
9085{
9086 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009087 int rc;
9088
9089 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9090 " value 0x%x\n", prtad, devad, addr, value);
9091
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009092 /* The HW expects different devad if CL22 is used */
9093 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9094
9095 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009096 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009097 bnx2x_release_phy_lock(bp);
9098 return rc;
9099}
9100
9101/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009102static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9103{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009104 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009105 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009106
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009107 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9108 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009109
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009110 if (!netif_running(dev))
9111 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009112
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009113 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009114}
9115
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009116#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009117static void poll_bnx2x(struct net_device *dev)
9118{
9119 struct bnx2x *bp = netdev_priv(dev);
9120
9121 disable_irq(bp->pdev->irq);
9122 bnx2x_interrupt(bp->pdev->irq, dev);
9123 enable_irq(bp->pdev->irq);
9124}
9125#endif
9126
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009127static const struct net_device_ops bnx2x_netdev_ops = {
9128 .ndo_open = bnx2x_open,
9129 .ndo_stop = bnx2x_close,
9130 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009131 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009132 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009133 .ndo_set_mac_address = bnx2x_change_mac_addr,
9134 .ndo_validate_addr = eth_validate_addr,
9135 .ndo_do_ioctl = bnx2x_ioctl,
9136 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +00009137 .ndo_fix_features = bnx2x_fix_features,
9138 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009139 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009140#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009141 .ndo_poll_controller = poll_bnx2x,
9142#endif
9143};
9144
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009145static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9146 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009147{
9148 struct bnx2x *bp;
9149 int rc;
9150
9151 SET_NETDEV_DEV(dev, &pdev->dev);
9152 bp = netdev_priv(dev);
9153
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009154 bp->dev = dev;
9155 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009156 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009157 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009158
9159 rc = pci_enable_device(pdev);
9160 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009161 dev_err(&bp->pdev->dev,
9162 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009163 goto err_out;
9164 }
9165
9166 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009167 dev_err(&bp->pdev->dev,
9168 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009169 rc = -ENODEV;
9170 goto err_out_disable;
9171 }
9172
9173 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009174 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9175 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009176 rc = -ENODEV;
9177 goto err_out_disable;
9178 }
9179
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009180 if (atomic_read(&pdev->enable_cnt) == 1) {
9181 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9182 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009183 dev_err(&bp->pdev->dev,
9184 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009185 goto err_out_disable;
9186 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009187
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009188 pci_set_master(pdev);
9189 pci_save_state(pdev);
9190 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009191
9192 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9193 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009194 dev_err(&bp->pdev->dev,
9195 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009196 rc = -EIO;
9197 goto err_out_release;
9198 }
9199
9200 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9201 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009202 dev_err(&bp->pdev->dev,
9203 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009204 rc = -EIO;
9205 goto err_out_release;
9206 }
9207
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009208 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009209 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009210 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009211 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9212 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009213 rc = -EIO;
9214 goto err_out_release;
9215 }
9216
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009217 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009218 dev_err(&bp->pdev->dev,
9219 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009220 rc = -EIO;
9221 goto err_out_release;
9222 }
9223
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009224 dev->mem_start = pci_resource_start(pdev, 0);
9225 dev->base_addr = dev->mem_start;
9226 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009227
9228 dev->irq = pdev->irq;
9229
Arjan van de Ven275f1652008-10-20 21:42:39 -07009230 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009231 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009232 dev_err(&bp->pdev->dev,
9233 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009234 rc = -ENOMEM;
9235 goto err_out_release;
9236 }
9237
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009238 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009239 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009240 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009241 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009242 dev_err(&bp->pdev->dev,
9243 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009244 rc = -ENOMEM;
9245 goto err_out_unmap;
9246 }
9247
9248 bnx2x_set_power_state(bp, PCI_D0);
9249
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009250 /* clean indirect addresses */
9251 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9252 PCICFG_VENDOR_ID_OFFSET);
9253 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9254 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9255 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9256 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009257
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009258 /* Reset the load counter */
9259 bnx2x_clear_load_cnt(bp);
9260
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009261 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009262
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009263 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009264 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +00009265
9266 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9267 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
9268 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX;
9269
9270 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9271 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
9272
9273 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009274 if (bp->flags & USING_DAC_FLAG)
9275 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009276
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +00009277 /* Add Loopback capability to the device */
9278 dev->hw_features |= NETIF_F_LOOPBACK;
9279
Shmulik Ravid98507672011-02-28 12:19:55 -08009280#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009281 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9282#endif
9283
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009284 /* get_port_hwinfo() will set prtad and mmds properly */
9285 bp->mdio.prtad = MDIO_PRTAD_NONE;
9286 bp->mdio.mmds = 0;
9287 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9288 bp->mdio.dev = dev;
9289 bp->mdio.mdio_read = bnx2x_mdio_read;
9290 bp->mdio.mdio_write = bnx2x_mdio_write;
9291
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009292 return 0;
9293
9294err_out_unmap:
9295 if (bp->regview) {
9296 iounmap(bp->regview);
9297 bp->regview = NULL;
9298 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009299 if (bp->doorbells) {
9300 iounmap(bp->doorbells);
9301 bp->doorbells = NULL;
9302 }
9303
9304err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009305 if (atomic_read(&pdev->enable_cnt) == 1)
9306 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009307
9308err_out_disable:
9309 pci_disable_device(pdev);
9310 pci_set_drvdata(pdev, NULL);
9311
9312err_out:
9313 return rc;
9314}
9315
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009316static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9317 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009318{
9319 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9320
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009321 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9322
9323 /* return value of 1=2.5GHz 2=5GHz */
9324 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009325}
9326
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009327static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009328{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009329 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009330 struct bnx2x_fw_file_hdr *fw_hdr;
9331 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009332 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009333 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009334 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009335 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009336
9337 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9338 return -EINVAL;
9339
9340 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9341 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9342
9343 /* Make sure none of the offsets and sizes make us read beyond
9344 * the end of the firmware data */
9345 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9346 offset = be32_to_cpu(sections[i].offset);
9347 len = be32_to_cpu(sections[i].len);
9348 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009349 dev_err(&bp->pdev->dev,
9350 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009351 return -EINVAL;
9352 }
9353 }
9354
9355 /* Likewise for the init_ops offsets */
9356 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9357 ops_offsets = (u16 *)(firmware->data + offset);
9358 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9359
9360 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9361 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009362 dev_err(&bp->pdev->dev,
9363 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009364 return -EINVAL;
9365 }
9366 }
9367
9368 /* Check FW version */
9369 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9370 fw_ver = firmware->data + offset;
9371 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9372 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9373 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9374 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009375 dev_err(&bp->pdev->dev,
9376 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009377 fw_ver[0], fw_ver[1], fw_ver[2],
9378 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9379 BCM_5710_FW_MINOR_VERSION,
9380 BCM_5710_FW_REVISION_VERSION,
9381 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009382 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009383 }
9384
9385 return 0;
9386}
9387
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009388static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009389{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009390 const __be32 *source = (const __be32 *)_source;
9391 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009392 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009393
9394 for (i = 0; i < n/4; i++)
9395 target[i] = be32_to_cpu(source[i]);
9396}
9397
9398/*
9399 Ops array is stored in the following format:
9400 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9401 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009402static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009403{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009404 const __be32 *source = (const __be32 *)_source;
9405 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009406 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009407
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009408 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009409 tmp = be32_to_cpu(source[j]);
9410 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009411 target[i].offset = tmp & 0xffffff;
9412 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009413 }
9414}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009415
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009416/**
9417 * IRO array is stored in the following format:
9418 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9419 */
9420static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9421{
9422 const __be32 *source = (const __be32 *)_source;
9423 struct iro *target = (struct iro *)_target;
9424 u32 i, j, tmp;
9425
9426 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9427 target[i].base = be32_to_cpu(source[j]);
9428 j++;
9429 tmp = be32_to_cpu(source[j]);
9430 target[i].m1 = (tmp >> 16) & 0xffff;
9431 target[i].m2 = tmp & 0xffff;
9432 j++;
9433 tmp = be32_to_cpu(source[j]);
9434 target[i].m3 = (tmp >> 16) & 0xffff;
9435 target[i].size = tmp & 0xffff;
9436 j++;
9437 }
9438}
9439
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009440static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009441{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009442 const __be16 *source = (const __be16 *)_source;
9443 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009444 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009445
9446 for (i = 0; i < n/2; i++)
9447 target[i] = be16_to_cpu(source[i]);
9448}
9449
Joe Perches7995c642010-02-17 15:01:52 +00009450#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9451do { \
9452 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9453 bp->arr = kmalloc(len, GFP_KERNEL); \
9454 if (!bp->arr) { \
9455 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9456 goto lbl; \
9457 } \
9458 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9459 (u8 *)bp->arr, len); \
9460} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009461
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009462int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009463{
Ben Hutchings45229b42009-11-07 11:53:39 +00009464 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009465 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009466 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009467
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009468 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009469 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009470 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009471 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009472 else if (CHIP_IS_E2(bp))
9473 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009474 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009475 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009476 return -EINVAL;
9477 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009478
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009479 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009480
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009481 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009482 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009483 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009484 goto request_firmware_exit;
9485 }
9486
9487 rc = bnx2x_check_firmware(bp);
9488 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009489 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009490 goto request_firmware_exit;
9491 }
9492
9493 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9494
9495 /* Initialize the pointers to the init arrays */
9496 /* Blob */
9497 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9498
9499 /* Opcodes */
9500 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9501
9502 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009503 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9504 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009505
9506 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009507 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9508 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9509 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9510 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9511 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9512 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9513 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9514 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9515 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9516 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9517 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9518 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9519 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9520 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9521 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9522 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009523 /* IRO */
9524 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009525
9526 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009527
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009528iro_alloc_err:
9529 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009530init_offsets_alloc_err:
9531 kfree(bp->init_ops);
9532init_ops_alloc_err:
9533 kfree(bp->init_data);
9534request_firmware_exit:
9535 release_firmware(bp->firmware);
9536
9537 return rc;
9538}
9539
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009540static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9541{
9542 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009543
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009544#ifdef BCM_CNIC
9545 cid_count += CNIC_CID_MAX;
9546#endif
9547 return roundup(cid_count, QM_CID_ROUND);
9548}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009549
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009550static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9551 const struct pci_device_id *ent)
9552{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009553 struct net_device *dev = NULL;
9554 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009555 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009556 int rc, cid_count;
9557
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009558 switch (ent->driver_data) {
9559 case BCM57710:
9560 case BCM57711:
9561 case BCM57711E:
9562 cid_count = FP_SB_MAX_E1x;
9563 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009564
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009565 case BCM57712:
9566 case BCM57712E:
9567 cid_count = FP_SB_MAX_E2;
9568 break;
9569
9570 default:
9571 pr_err("Unknown board_type (%ld), aborting\n",
9572 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009573 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009574 }
9575
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009576 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009577
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009578 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009579 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009580 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009581 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009582 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009583 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009584
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009585 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009586 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009587
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009588 pci_set_drvdata(pdev, dev);
9589
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009590 bp->l2_cid_count = cid_count;
9591
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009592 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009593 if (rc < 0) {
9594 free_netdev(dev);
9595 return rc;
9596 }
9597
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009598 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009599 if (rc)
9600 goto init_one_exit;
9601
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009602 /* calc qm_cid_count */
9603 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9604
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009605#ifdef BCM_CNIC
9606 /* disable FCOE L2 queue for E1x*/
9607 if (CHIP_IS_E1x(bp))
9608 bp->flags |= NO_FCOE_FLAG;
9609
9610#endif
9611
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009612 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009613 * needed, set bp->num_queues appropriately.
9614 */
9615 bnx2x_set_int_mode(bp);
9616
9617 /* Add all NAPI objects */
9618 bnx2x_add_all_napi(bp);
9619
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009620 rc = register_netdev(dev);
9621 if (rc) {
9622 dev_err(&pdev->dev, "Cannot register net device\n");
9623 goto init_one_exit;
9624 }
9625
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009626#ifdef BCM_CNIC
9627 if (!NO_FCOE(bp)) {
9628 /* Add storage MAC address */
9629 rtnl_lock();
9630 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9631 rtnl_unlock();
9632 }
9633#endif
9634
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009635 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009636
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009637 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9638 " IRQ %d, ", board_info[ent->driver_data].name,
9639 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009640 pcie_width,
9641 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9642 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9643 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009644 dev->base_addr, bp->pdev->irq);
9645 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009646
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009647 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009648
9649init_one_exit:
9650 if (bp->regview)
9651 iounmap(bp->regview);
9652
9653 if (bp->doorbells)
9654 iounmap(bp->doorbells);
9655
9656 free_netdev(dev);
9657
9658 if (atomic_read(&pdev->enable_cnt) == 1)
9659 pci_release_regions(pdev);
9660
9661 pci_disable_device(pdev);
9662 pci_set_drvdata(pdev, NULL);
9663
9664 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009665}
9666
9667static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9668{
9669 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009670 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009671
Eliezer Tamir228241e2008-02-28 11:56:57 -08009672 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009673 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009674 return;
9675 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009676 bp = netdev_priv(dev);
9677
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009678#ifdef BCM_CNIC
9679 /* Delete storage MAC address */
9680 if (!NO_FCOE(bp)) {
9681 rtnl_lock();
9682 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9683 rtnl_unlock();
9684 }
9685#endif
9686
Shmulik Ravid98507672011-02-28 12:19:55 -08009687#ifdef BCM_DCBNL
9688 /* Delete app tlvs from dcbnl */
9689 bnx2x_dcbnl_update_applist(bp, true);
9690#endif
9691
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009692 unregister_netdev(dev);
9693
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009694 /* Delete all NAPI objects */
9695 bnx2x_del_all_napi(bp);
9696
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009697 /* Power on: we can't let PCI layer write to us while we are in D3 */
9698 bnx2x_set_power_state(bp, PCI_D0);
9699
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009700 /* Disable MSI/MSI-X */
9701 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009702
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009703 /* Power off */
9704 bnx2x_set_power_state(bp, PCI_D3hot);
9705
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009706 /* Make sure RESET task is not scheduled before continuing */
9707 cancel_delayed_work_sync(&bp->reset_task);
9708
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009709 if (bp->regview)
9710 iounmap(bp->regview);
9711
9712 if (bp->doorbells)
9713 iounmap(bp->doorbells);
9714
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009715 bnx2x_free_mem_bp(bp);
9716
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009717 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009718
9719 if (atomic_read(&pdev->enable_cnt) == 1)
9720 pci_release_regions(pdev);
9721
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009722 pci_disable_device(pdev);
9723 pci_set_drvdata(pdev, NULL);
9724}
9725
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009726static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9727{
9728 int i;
9729
9730 bp->state = BNX2X_STATE_ERROR;
9731
9732 bp->rx_mode = BNX2X_RX_MODE_NONE;
9733
9734 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009735 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009736
9737 del_timer_sync(&bp->timer);
9738 bp->stats_state = STATS_STATE_DISABLED;
9739 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9740
9741 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009742 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009743
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009744 /* Free SKBs, SGEs, TPA pool and driver internals */
9745 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009746
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009747 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009748 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009749
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009750 bnx2x_free_mem(bp);
9751
9752 bp->state = BNX2X_STATE_CLOSED;
9753
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009754 return 0;
9755}
9756
9757static void bnx2x_eeh_recover(struct bnx2x *bp)
9758{
9759 u32 val;
9760
9761 mutex_init(&bp->port.phy_mutex);
9762
9763 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9764 bp->link_params.shmem_base = bp->common.shmem_base;
9765 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9766
9767 if (!bp->common.shmem_base ||
9768 (bp->common.shmem_base < 0xA0000) ||
9769 (bp->common.shmem_base >= 0xC0000)) {
9770 BNX2X_DEV_INFO("MCP not active\n");
9771 bp->flags |= NO_MCP_FLAG;
9772 return;
9773 }
9774
9775 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9776 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9777 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9778 BNX2X_ERR("BAD MCP validity signature\n");
9779
9780 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009781 bp->fw_seq =
9782 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9783 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009784 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9785 }
9786}
9787
Wendy Xiong493adb12008-06-23 20:36:22 -07009788/**
9789 * bnx2x_io_error_detected - called when PCI error is detected
9790 * @pdev: Pointer to PCI device
9791 * @state: The current pci connection state
9792 *
9793 * This function is called after a PCI bus error affecting
9794 * this device has been detected.
9795 */
9796static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9797 pci_channel_state_t state)
9798{
9799 struct net_device *dev = pci_get_drvdata(pdev);
9800 struct bnx2x *bp = netdev_priv(dev);
9801
9802 rtnl_lock();
9803
9804 netif_device_detach(dev);
9805
Dean Nelson07ce50e2009-07-31 09:13:25 +00009806 if (state == pci_channel_io_perm_failure) {
9807 rtnl_unlock();
9808 return PCI_ERS_RESULT_DISCONNECT;
9809 }
9810
Wendy Xiong493adb12008-06-23 20:36:22 -07009811 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009812 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009813
9814 pci_disable_device(pdev);
9815
9816 rtnl_unlock();
9817
9818 /* Request a slot reset */
9819 return PCI_ERS_RESULT_NEED_RESET;
9820}
9821
9822/**
9823 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9824 * @pdev: Pointer to PCI device
9825 *
9826 * Restart the card from scratch, as if from a cold-boot.
9827 */
9828static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9829{
9830 struct net_device *dev = pci_get_drvdata(pdev);
9831 struct bnx2x *bp = netdev_priv(dev);
9832
9833 rtnl_lock();
9834
9835 if (pci_enable_device(pdev)) {
9836 dev_err(&pdev->dev,
9837 "Cannot re-enable PCI device after reset\n");
9838 rtnl_unlock();
9839 return PCI_ERS_RESULT_DISCONNECT;
9840 }
9841
9842 pci_set_master(pdev);
9843 pci_restore_state(pdev);
9844
9845 if (netif_running(dev))
9846 bnx2x_set_power_state(bp, PCI_D0);
9847
9848 rtnl_unlock();
9849
9850 return PCI_ERS_RESULT_RECOVERED;
9851}
9852
9853/**
9854 * bnx2x_io_resume - called when traffic can start flowing again
9855 * @pdev: Pointer to PCI device
9856 *
9857 * This callback is called when the error recovery driver tells us that
9858 * its OK to resume normal operation.
9859 */
9860static void bnx2x_io_resume(struct pci_dev *pdev)
9861{
9862 struct net_device *dev = pci_get_drvdata(pdev);
9863 struct bnx2x *bp = netdev_priv(dev);
9864
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009865 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009866 printk(KERN_ERR "Handling parity error recovery. "
9867 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009868 return;
9869 }
9870
Wendy Xiong493adb12008-06-23 20:36:22 -07009871 rtnl_lock();
9872
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009873 bnx2x_eeh_recover(bp);
9874
Wendy Xiong493adb12008-06-23 20:36:22 -07009875 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009876 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009877
9878 netif_device_attach(dev);
9879
9880 rtnl_unlock();
9881}
9882
9883static struct pci_error_handlers bnx2x_err_handler = {
9884 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009885 .slot_reset = bnx2x_io_slot_reset,
9886 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009887};
9888
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009889static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009890 .name = DRV_MODULE_NAME,
9891 .id_table = bnx2x_pci_tbl,
9892 .probe = bnx2x_init_one,
9893 .remove = __devexit_p(bnx2x_remove_one),
9894 .suspend = bnx2x_suspend,
9895 .resume = bnx2x_resume,
9896 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009897};
9898
9899static int __init bnx2x_init(void)
9900{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009901 int ret;
9902
Joe Perches7995c642010-02-17 15:01:52 +00009903 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009904
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009905 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9906 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009907 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009908 return -ENOMEM;
9909 }
9910
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009911 ret = pci_register_driver(&bnx2x_pci_driver);
9912 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009913 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009914 destroy_workqueue(bnx2x_wq);
9915 }
9916 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009917}
9918
9919static void __exit bnx2x_cleanup(void)
9920{
9921 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009922
9923 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009924}
9925
9926module_init(bnx2x_init);
9927module_exit(bnx2x_cleanup);
9928
Michael Chan993ac7b2009-10-10 13:46:56 +00009929#ifdef BCM_CNIC
9930
9931/* count denotes the number of new completions we have seen */
9932static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9933{
9934 struct eth_spe *spe;
9935
9936#ifdef BNX2X_STOP_ON_ERROR
9937 if (unlikely(bp->panic))
9938 return;
9939#endif
9940
9941 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009942 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009943 bp->cnic_spq_pending -= count;
9944
Michael Chan993ac7b2009-10-10 13:46:56 +00009945
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009946 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9947 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9948 & SPE_HDR_CONN_TYPE) >>
9949 SPE_HDR_CONN_TYPE_SHIFT;
9950
9951 /* Set validation for iSCSI L2 client before sending SETUP
9952 * ramrod
9953 */
9954 if (type == ETH_CONNECTION_TYPE) {
9955 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9956 hdr.conn_and_cmd_data) >>
9957 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9958
9959 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9960 bnx2x_set_ctx_validation(&bp->context.
9961 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9962 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9963 }
9964
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009965 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
9966 * We also check that the number of outstanding
9967 * COMMON ramrods is not more than the EQ and SPQ can
9968 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009969 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009970 if (type == ETH_CONNECTION_TYPE) {
9971 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009972 break;
9973 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009974 atomic_dec(&bp->cq_spq_left);
9975 } else if (type == NONE_CONNECTION_TYPE) {
9976 if (!atomic_read(&bp->eq_spq_left))
9977 break;
9978 else
9979 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009980 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9981 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009982 if (bp->cnic_spq_pending >=
9983 bp->cnic_eth_dev.max_kwqe_pending)
9984 break;
9985 else
9986 bp->cnic_spq_pending++;
9987 } else {
9988 BNX2X_ERR("Unknown SPE type: %d\n", type);
9989 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009990 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009991 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009992
9993 spe = bnx2x_sp_get_next(bp);
9994 *spe = *bp->cnic_kwq_cons;
9995
Michael Chan993ac7b2009-10-10 13:46:56 +00009996 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9997 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9998
9999 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
10000 bp->cnic_kwq_cons = bp->cnic_kwq;
10001 else
10002 bp->cnic_kwq_cons++;
10003 }
10004 bnx2x_sp_prod_update(bp);
10005 spin_unlock_bh(&bp->spq_lock);
10006}
10007
10008static int bnx2x_cnic_sp_queue(struct net_device *dev,
10009 struct kwqe_16 *kwqes[], u32 count)
10010{
10011 struct bnx2x *bp = netdev_priv(dev);
10012 int i;
10013
10014#ifdef BNX2X_STOP_ON_ERROR
10015 if (unlikely(bp->panic))
10016 return -EIO;
10017#endif
10018
10019 spin_lock_bh(&bp->spq_lock);
10020
10021 for (i = 0; i < count; i++) {
10022 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
10023
10024 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
10025 break;
10026
10027 *bp->cnic_kwq_prod = *spe;
10028
10029 bp->cnic_kwq_pending++;
10030
10031 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
10032 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010033 spe->data.update_data_addr.hi,
10034 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +000010035 bp->cnic_kwq_pending);
10036
10037 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
10038 bp->cnic_kwq_prod = bp->cnic_kwq;
10039 else
10040 bp->cnic_kwq_prod++;
10041 }
10042
10043 spin_unlock_bh(&bp->spq_lock);
10044
10045 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
10046 bnx2x_cnic_sp_post(bp, 0);
10047
10048 return i;
10049}
10050
10051static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10052{
10053 struct cnic_ops *c_ops;
10054 int rc = 0;
10055
10056 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000010057 c_ops = rcu_dereference_protected(bp->cnic_ops,
10058 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000010059 if (c_ops)
10060 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10061 mutex_unlock(&bp->cnic_mutex);
10062
10063 return rc;
10064}
10065
10066static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10067{
10068 struct cnic_ops *c_ops;
10069 int rc = 0;
10070
10071 rcu_read_lock();
10072 c_ops = rcu_dereference(bp->cnic_ops);
10073 if (c_ops)
10074 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10075 rcu_read_unlock();
10076
10077 return rc;
10078}
10079
10080/*
10081 * for commands that have no data
10082 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010083int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000010084{
10085 struct cnic_ctl_info ctl = {0};
10086
10087 ctl.cmd = cmd;
10088
10089 return bnx2x_cnic_ctl_send(bp, &ctl);
10090}
10091
10092static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10093{
10094 struct cnic_ctl_info ctl;
10095
10096 /* first we tell CNIC and only then we count this as a completion */
10097 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10098 ctl.data.comp.cid = cid;
10099
10100 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010101 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010102}
10103
10104static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10105{
10106 struct bnx2x *bp = netdev_priv(dev);
10107 int rc = 0;
10108
10109 switch (ctl->cmd) {
10110 case DRV_CTL_CTXTBL_WR_CMD: {
10111 u32 index = ctl->data.io.offset;
10112 dma_addr_t addr = ctl->data.io.dma_addr;
10113
10114 bnx2x_ilt_wr(bp, index, addr);
10115 break;
10116 }
10117
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010118 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10119 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010120
10121 bnx2x_cnic_sp_post(bp, count);
10122 break;
10123 }
10124
10125 /* rtnl_lock is held. */
10126 case DRV_CTL_START_L2_CMD: {
10127 u32 cli = ctl->data.ring.client_id;
10128
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010129 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10130 bnx2x_del_fcoe_eth_macs(bp);
10131
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010132 /* Set iSCSI MAC address */
10133 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10134
10135 mmiowb();
10136 barrier();
10137
10138 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10139 * because it's the only way for UIO Client to accept
10140 * multicasts (in non-promiscuous mode only one Client per
10141 * function will receive multicast packets (leading in our
10142 * case).
10143 */
10144 bnx2x_rxq_set_mac_filters(bp, cli,
10145 BNX2X_ACCEPT_UNICAST |
10146 BNX2X_ACCEPT_BROADCAST |
10147 BNX2X_ACCEPT_ALL_MULTICAST);
10148 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10149
Michael Chan993ac7b2009-10-10 13:46:56 +000010150 break;
10151 }
10152
10153 /* rtnl_lock is held. */
10154 case DRV_CTL_STOP_L2_CMD: {
10155 u32 cli = ctl->data.ring.client_id;
10156
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010157 /* Stop accepting on iSCSI L2 ring */
10158 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10159 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10160
10161 mmiowb();
10162 barrier();
10163
10164 /* Unset iSCSI L2 MAC */
10165 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010166 break;
10167 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010168 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10169 int count = ctl->data.credit.credit_count;
10170
10171 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010172 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010173 smp_mb__after_atomic_inc();
10174 break;
10175 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010176
Dmitry Kravkovfab0dc82011-03-31 17:04:22 -070010177 case DRV_CTL_ISCSI_STOPPED_CMD: {
10178 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
10179 break;
10180 }
10181
Michael Chan993ac7b2009-10-10 13:46:56 +000010182 default:
10183 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10184 rc = -EINVAL;
10185 }
10186
10187 return rc;
10188}
10189
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010190void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010191{
10192 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10193
10194 if (bp->flags & USING_MSIX_FLAG) {
10195 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10196 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10197 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10198 } else {
10199 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10200 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10201 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010202 if (CHIP_IS_E2(bp))
10203 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10204 else
10205 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10206
Michael Chan993ac7b2009-10-10 13:46:56 +000010207 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010208 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010209 cp->irq_arr[1].status_blk = bp->def_status_blk;
10210 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010211 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010212
10213 cp->num_irq = 2;
10214}
10215
10216static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10217 void *data)
10218{
10219 struct bnx2x *bp = netdev_priv(dev);
10220 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10221
10222 if (ops == NULL)
10223 return -EINVAL;
10224
10225 if (atomic_read(&bp->intr_sem) != 0)
10226 return -EBUSY;
10227
10228 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10229 if (!bp->cnic_kwq)
10230 return -ENOMEM;
10231
10232 bp->cnic_kwq_cons = bp->cnic_kwq;
10233 bp->cnic_kwq_prod = bp->cnic_kwq;
10234 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10235
10236 bp->cnic_spq_pending = 0;
10237 bp->cnic_kwq_pending = 0;
10238
10239 bp->cnic_data = data;
10240
10241 cp->num_irq = 0;
10242 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010243 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010244
Michael Chan993ac7b2009-10-10 13:46:56 +000010245 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010246
Michael Chan993ac7b2009-10-10 13:46:56 +000010247 rcu_assign_pointer(bp->cnic_ops, ops);
10248
10249 return 0;
10250}
10251
10252static int bnx2x_unregister_cnic(struct net_device *dev)
10253{
10254 struct bnx2x *bp = netdev_priv(dev);
10255 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10256
10257 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010258 cp->drv_state = 0;
10259 rcu_assign_pointer(bp->cnic_ops, NULL);
10260 mutex_unlock(&bp->cnic_mutex);
10261 synchronize_rcu();
10262 kfree(bp->cnic_kwq);
10263 bp->cnic_kwq = NULL;
10264
10265 return 0;
10266}
10267
10268struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10269{
10270 struct bnx2x *bp = netdev_priv(dev);
10271 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10272
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010273 /* If both iSCSI and FCoE are disabled - return NULL in
10274 * order to indicate CNIC that it should not try to work
10275 * with this device.
10276 */
10277 if (NO_ISCSI(bp) && NO_FCOE(bp))
10278 return NULL;
10279
Michael Chan993ac7b2009-10-10 13:46:56 +000010280 cp->drv_owner = THIS_MODULE;
10281 cp->chip_id = CHIP_ID(bp);
10282 cp->pdev = bp->pdev;
10283 cp->io_base = bp->regview;
10284 cp->io_base2 = bp->doorbells;
10285 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010286 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010287 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10288 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010289 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010290 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010291 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10292 cp->drv_ctl = bnx2x_drv_ctl;
10293 cp->drv_register_cnic = bnx2x_register_cnic;
10294 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010295 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10296 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10297 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010298 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010299
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010300 if (NO_ISCSI_OOO(bp))
10301 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10302
10303 if (NO_ISCSI(bp))
10304 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10305
10306 if (NO_FCOE(bp))
10307 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10308
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010309 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10310 "starting cid %d\n",
10311 cp->ctx_blk_size,
10312 cp->ctx_tbl_offset,
10313 cp->ctx_tbl_len,
10314 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010315 return cp;
10316}
10317EXPORT_SYMBOL(bnx2x_cnic_probe);
10318
10319#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010320