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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
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001288 if (disable_hw)
1289 /* prevent the HW from sending interrupts */
1290 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001291
1292 /* make sure all ISRs are done */
1293 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001294 synchronize_irq(bp->msix_table[0].vector);
1295 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001296#ifdef BCM_CNIC
1297 offset++;
1298#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001299 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001300 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001301 } else
1302 synchronize_irq(bp->pdev->irq);
1303
1304 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001305 cancel_delayed_work(&bp->sp_task);
1306 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001307}
1308
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001309/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001310
1311/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001312 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001313 */
1314
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001315/* Return true if succeeded to acquire the lock */
1316static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1317{
1318 u32 lock_status;
1319 u32 resource_bit = (1 << resource);
1320 int func = BP_FUNC(bp);
1321 u32 hw_lock_control_reg;
1322
1323 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1324
1325 /* Validating that the resource is within range */
1326 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1327 DP(NETIF_MSG_HW,
1328 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1329 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001330 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001331 }
1332
1333 if (func <= 5)
1334 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1335 else
1336 hw_lock_control_reg =
1337 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1338
1339 /* Try to acquire the lock */
1340 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1341 lock_status = REG_RD(bp, hw_lock_control_reg);
1342 if (lock_status & resource_bit)
1343 return true;
1344
1345 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1346 return false;
1347}
1348
Michael Chan993ac7b2009-10-10 13:46:56 +00001349#ifdef BCM_CNIC
1350static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1351#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001352
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001353void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001354 union eth_rx_cqe *rr_cqe)
1355{
1356 struct bnx2x *bp = fp->bp;
1357 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1358 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1359
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001360 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001361 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001362 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001363 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001364
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001365 switch (command | fp->state) {
1366 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1367 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1368 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001369 break;
1370
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001371 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1372 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001373 fp->state = BNX2X_FP_STATE_HALTED;
1374 break;
1375
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001376 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1377 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1378 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001379 break;
1380
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001381 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001382 BNX2X_ERR("unexpected MC reply (%d) "
1383 "fp[%d] state is %x\n",
1384 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001385 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001386 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001387
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001388 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001389 atomic_inc(&bp->cq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001390 /* push the change in fp->state and towards the memory */
1391 smp_wmb();
1392
1393 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001394}
1395
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001396irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001397{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001398 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001399 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001400 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001401 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001402
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001403 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001404 if (unlikely(status == 0)) {
1405 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1406 return IRQ_NONE;
1407 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001408 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001409
Eilon Greenstein3196a882008-08-13 15:58:49 -07001410#ifdef BNX2X_STOP_ON_ERROR
1411 if (unlikely(bp->panic))
1412 return IRQ_HANDLED;
1413#endif
1414
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001415 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001416 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001417
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001418 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001419 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001420 /* Handle Rx and Tx according to SB id */
1421 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001422 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001423 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001424 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001425 status &= ~mask;
1426 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001427 }
1428
Michael Chan993ac7b2009-10-10 13:46:56 +00001429#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001430 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001431 if (status & (mask | 0x1)) {
1432 struct cnic_ops *c_ops = NULL;
1433
1434 rcu_read_lock();
1435 c_ops = rcu_dereference(bp->cnic_ops);
1436 if (c_ops)
1437 c_ops->cnic_handler(bp->cnic_data, NULL);
1438 rcu_read_unlock();
1439
1440 status &= ~mask;
1441 }
1442#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001443
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001444 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001445 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001446
1447 status &= ~0x1;
1448 if (!status)
1449 return IRQ_HANDLED;
1450 }
1451
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001452 if (unlikely(status))
1453 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001454 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001455
1456 return IRQ_HANDLED;
1457}
1458
1459/* end of fast path */
1460
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001461
1462/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001463
1464/*
1465 * General service functions
1466 */
1467
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001468int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001469{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001470 u32 lock_status;
1471 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001472 int func = BP_FUNC(bp);
1473 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001474 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001475
1476 /* Validating that the resource is within range */
1477 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1478 DP(NETIF_MSG_HW,
1479 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1480 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1481 return -EINVAL;
1482 }
1483
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001484 if (func <= 5) {
1485 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1486 } else {
1487 hw_lock_control_reg =
1488 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1489 }
1490
Eliezer Tamirf1410642008-02-28 11:51:50 -08001491 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001492 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001493 if (lock_status & resource_bit) {
1494 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1495 lock_status, resource_bit);
1496 return -EEXIST;
1497 }
1498
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001499 /* Try for 5 second every 5ms */
1500 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001501 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001502 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1503 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001504 if (lock_status & resource_bit)
1505 return 0;
1506
1507 msleep(5);
1508 }
1509 DP(NETIF_MSG_HW, "Timeout\n");
1510 return -EAGAIN;
1511}
1512
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001513int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001514{
1515 u32 lock_status;
1516 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001517 int func = BP_FUNC(bp);
1518 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001519
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001520 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1521
Eliezer Tamirf1410642008-02-28 11:51:50 -08001522 /* Validating that the resource is within range */
1523 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1524 DP(NETIF_MSG_HW,
1525 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1526 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1527 return -EINVAL;
1528 }
1529
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001530 if (func <= 5) {
1531 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1532 } else {
1533 hw_lock_control_reg =
1534 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1535 }
1536
Eliezer Tamirf1410642008-02-28 11:51:50 -08001537 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001538 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001539 if (!(lock_status & resource_bit)) {
1540 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1541 lock_status, resource_bit);
1542 return -EFAULT;
1543 }
1544
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001545 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001546 return 0;
1547}
1548
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001549
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001550int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1551{
1552 /* The GPIO should be swapped if swap register is set and active */
1553 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1554 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1555 int gpio_shift = gpio_num +
1556 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1557 u32 gpio_mask = (1 << gpio_shift);
1558 u32 gpio_reg;
1559 int value;
1560
1561 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1562 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1563 return -EINVAL;
1564 }
1565
1566 /* read GPIO value */
1567 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1568
1569 /* get the requested pin value */
1570 if ((gpio_reg & gpio_mask) == gpio_mask)
1571 value = 1;
1572 else
1573 value = 0;
1574
1575 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1576
1577 return value;
1578}
1579
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001580int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001581{
1582 /* The GPIO should be swapped if swap register is set and active */
1583 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001584 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001585 int gpio_shift = gpio_num +
1586 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1587 u32 gpio_mask = (1 << gpio_shift);
1588 u32 gpio_reg;
1589
1590 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1591 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1592 return -EINVAL;
1593 }
1594
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001595 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001596 /* read GPIO and mask except the float bits */
1597 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1598
1599 switch (mode) {
1600 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1601 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1602 gpio_num, gpio_shift);
1603 /* clear FLOAT and set CLR */
1604 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1605 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1606 break;
1607
1608 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1609 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1610 gpio_num, gpio_shift);
1611 /* clear FLOAT and set SET */
1612 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1613 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1614 break;
1615
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001616 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001617 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1618 gpio_num, gpio_shift);
1619 /* set FLOAT */
1620 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1621 break;
1622
1623 default:
1624 break;
1625 }
1626
1627 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001628 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001629
1630 return 0;
1631}
1632
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001633int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1634{
1635 /* The GPIO should be swapped if swap register is set and active */
1636 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1637 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1638 int gpio_shift = gpio_num +
1639 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1640 u32 gpio_mask = (1 << gpio_shift);
1641 u32 gpio_reg;
1642
1643 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1644 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1645 return -EINVAL;
1646 }
1647
1648 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1649 /* read GPIO int */
1650 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1651
1652 switch (mode) {
1653 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1654 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1655 "output low\n", gpio_num, gpio_shift);
1656 /* clear SET and set CLR */
1657 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1658 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1659 break;
1660
1661 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1662 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1663 "output high\n", gpio_num, gpio_shift);
1664 /* clear CLR and set SET */
1665 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1666 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1667 break;
1668
1669 default:
1670 break;
1671 }
1672
1673 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1674 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1675
1676 return 0;
1677}
1678
Eliezer Tamirf1410642008-02-28 11:51:50 -08001679static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1680{
1681 u32 spio_mask = (1 << spio_num);
1682 u32 spio_reg;
1683
1684 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1685 (spio_num > MISC_REGISTERS_SPIO_7)) {
1686 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1687 return -EINVAL;
1688 }
1689
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001690 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001691 /* read SPIO and mask except the float bits */
1692 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1693
1694 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001695 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001696 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1697 /* clear FLOAT and set CLR */
1698 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1699 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1700 break;
1701
Eilon Greenstein6378c022008-08-13 15:59:25 -07001702 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001703 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1704 /* clear FLOAT and set SET */
1705 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1706 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1707 break;
1708
1709 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1710 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1711 /* set FLOAT */
1712 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1713 break;
1714
1715 default:
1716 break;
1717 }
1718
1719 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001720 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001721
1722 return 0;
1723}
1724
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001725void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001726{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001727 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001728 switch (bp->link_vars.ieee_fc &
1729 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001730 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001731 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001732 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001733 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001734
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001735 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001736 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001737 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001738 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001739
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001740 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001741 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001742 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001743
Eliezer Tamirf1410642008-02-28 11:51:50 -08001744 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001745 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001746 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001747 break;
1748 }
1749}
1750
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001751u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001752{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001753 if (!BP_NOMCP(bp)) {
1754 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001755 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1756 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001757 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001758 /* It is recommended to turn off RX FC for jumbo frames
1759 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001760 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001761 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001762 else
David S. Millerc0700f92008-12-16 23:53:20 -08001763 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001764
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001765 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001766
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001767 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001768 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001769 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1770 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001771
Eilon Greenstein19680c42008-08-13 15:47:33 -07001772 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001773
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001774 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001775
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001776 bnx2x_calc_fc_adv(bp);
1777
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001778 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1779 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001780 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001781 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001782 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001783 return rc;
1784 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001785 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001786 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001787}
1788
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001789void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001790{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001791 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001792 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001793 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001794 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001795 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001796
Eilon Greenstein19680c42008-08-13 15:47:33 -07001797 bnx2x_calc_fc_adv(bp);
1798 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001799 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001800}
1801
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001802static void bnx2x__link_reset(struct bnx2x *bp)
1803{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001804 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001805 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001806 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001807 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001808 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001809 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001810}
1811
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001812u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001813{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001814 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001815
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001816 if (!BP_NOMCP(bp)) {
1817 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001818 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1819 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001820 bnx2x_release_phy_lock(bp);
1821 } else
1822 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001823
1824 return rc;
1825}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001826
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001827static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001828{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001829 u32 r_param = bp->link_vars.line_speed / 8;
1830 u32 fair_periodic_timeout_usec;
1831 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001832
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001833 memset(&(bp->cmng.rs_vars), 0,
1834 sizeof(struct rate_shaping_vars_per_port));
1835 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001836
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001837 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1838 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001839
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001840 /* this is the threshold below which no timer arming will occur
1841 1.25 coefficient is for the threshold to be a little bigger
1842 than the real time, to compensate for timer in-accuracy */
1843 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001844 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1845
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001846 /* resolution of fairness timer */
1847 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1848 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1849 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001850
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001851 /* this is the threshold below which we won't arm the timer anymore */
1852 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001853
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001854 /* we multiply by 1e3/8 to get bytes/msec.
1855 We don't want the credits to pass a credit
1856 of the t_fair*FAIR_MEM (algorithm resolution) */
1857 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1858 /* since each tick is 4 usec */
1859 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001860}
1861
Eilon Greenstein2691d512009-08-12 08:22:08 +00001862/* Calculates the sum of vn_min_rates.
1863 It's needed for further normalizing of the min_rates.
1864 Returns:
1865 sum of vn_min_rates.
1866 or
1867 0 - if all the min_rates are 0.
1868 In the later case fainess algorithm should be deactivated.
1869 If not all min_rates are zero then those that are zeroes will be set to 1.
1870 */
1871static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1872{
1873 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001874 int vn;
1875
1876 bp->vn_weight_sum = 0;
1877 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001878 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001879 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1880 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1881
1882 /* Skip hidden vns */
1883 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1884 continue;
1885
1886 /* If min rate is zero - set it to 1 */
1887 if (!vn_min_rate)
1888 vn_min_rate = DEF_MIN_RATE;
1889 else
1890 all_zero = 0;
1891
1892 bp->vn_weight_sum += vn_min_rate;
1893 }
1894
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00001895 /* if ETS or all min rates are zeros - disable fairness */
1896 if (BNX2X_IS_ETS_ENABLED(bp)) {
1897 bp->cmng.flags.cmng_enables &=
1898 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1899 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
1900 } else if (all_zero) {
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001901 bp->cmng.flags.cmng_enables &=
1902 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1903 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1904 " fairness will be disabled\n");
1905 } else
1906 bp->cmng.flags.cmng_enables |=
1907 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001908}
1909
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001910static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001911{
1912 struct rate_shaping_vars_per_vn m_rs_vn;
1913 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001914 u32 vn_cfg = bp->mf_config[vn];
1915 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001916 u16 vn_min_rate, vn_max_rate;
1917 int i;
1918
1919 /* If function is hidden - set min and max to zeroes */
1920 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1921 vn_min_rate = 0;
1922 vn_max_rate = 0;
1923
1924 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001925 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
1926
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001927 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1928 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001929 /* If fairness is enabled (not all min rates are zeroes) and
1930 if current min rate is zero - set it to 1.
1931 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001932 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001933 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001934
1935 if (IS_MF_SI(bp))
1936 /* maxCfg in percents of linkspeed */
1937 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
1938 else
1939 /* maxCfg is absolute in 100Mb units */
1940 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001941 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001942
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001943 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001944 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001945 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001946
1947 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1948 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1949
1950 /* global vn counter - maximal Mbps for this vn */
1951 m_rs_vn.vn_counter.rate = vn_max_rate;
1952
1953 /* quota - number of bytes transmitted in this period */
1954 m_rs_vn.vn_counter.quota =
1955 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
1956
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001957 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001958 /* credit for each period of the fairness algorithm:
1959 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001960 vn_weight_sum should not be larger than 10000, thus
1961 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
1962 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001963 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001964 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
1965 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00001966 (bp->cmng.fair_vars.fair_threshold +
1967 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001968 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001969 m_fair_vn.vn_credit_delta);
1970 }
1971
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001972 /* Store it to internal memory */
1973 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
1974 REG_WR(bp, BAR_XSTRORM_INTMEM +
1975 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
1976 ((u32 *)(&m_rs_vn))[i]);
1977
1978 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
1979 REG_WR(bp, BAR_XSTRORM_INTMEM +
1980 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
1981 ((u32 *)(&m_fair_vn))[i]);
1982}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001983
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001984static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
1985{
1986 if (CHIP_REV_IS_SLOW(bp))
1987 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001988 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001989 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001990
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001991 return CMNG_FNS_NONE;
1992}
1993
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00001994void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001995{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08001996 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001997
1998 if (BP_NOMCP(bp))
1999 return; /* what should be the default bvalue in this case */
2000
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002001 /* For 2 port configuration the absolute function number formula
2002 * is:
2003 * abs_func = 2 * vn + BP_PORT + BP_PATH
2004 *
2005 * and there are 4 functions per port
2006 *
2007 * For 4 port configuration it is
2008 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2009 *
2010 * and there are 2 functions per port
2011 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002012 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002013 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2014
2015 if (func >= E1H_FUNC_MAX)
2016 break;
2017
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002018 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002019 MF_CFG_RD(bp, func_mf_config[func].config);
2020 }
2021}
2022
2023static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2024{
2025
2026 if (cmng_type == CMNG_FNS_MINMAX) {
2027 int vn;
2028
2029 /* clear cmng_enables */
2030 bp->cmng.flags.cmng_enables = 0;
2031
2032 /* read mf conf from shmem */
2033 if (read_cfg)
2034 bnx2x_read_mf_cfg(bp);
2035
2036 /* Init rate shaping and fairness contexts */
2037 bnx2x_init_port_minmax(bp);
2038
2039 /* vn_weight_sum and enable fairness if not 0 */
2040 bnx2x_calc_vn_weight_sum(bp);
2041
2042 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002043 if (bp->port.pmf)
2044 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2045 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002046
2047 /* always enable rate shaping and fairness */
2048 bp->cmng.flags.cmng_enables |=
2049 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2050 if (!bp->vn_weight_sum)
2051 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2052 " fairness will be disabled\n");
2053 return;
2054 }
2055
2056 /* rate shaping and fairness are disabled */
2057 DP(NETIF_MSG_IFUP,
2058 "rate shaping and fairness are disabled\n");
2059}
2060
2061static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2062{
2063 int port = BP_PORT(bp);
2064 int func;
2065 int vn;
2066
2067 /* Set the attention towards other drivers on the same port */
2068 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2069 if (vn == BP_E1HVN(bp))
2070 continue;
2071
2072 func = ((vn << 1) | port);
2073 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2074 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2075 }
2076}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002077
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002078/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002079static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002080{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002081 /* Make sure that we are synced with the current statistics */
2082 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2083
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002084 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002085
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002086 if (bp->link_vars.link_up) {
2087
Eilon Greenstein1c063282009-02-12 08:36:43 +00002088 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002089 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002090 int port = BP_PORT(bp);
2091 u32 pause_enabled = 0;
2092
2093 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2094 pause_enabled = 1;
2095
2096 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002097 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002098 pause_enabled);
2099 }
2100
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002101 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2102 struct host_port_stats *pstats;
2103
2104 pstats = bnx2x_sp(bp, port_stats);
2105 /* reset old bmac stats */
2106 memset(&(pstats->mac_stx[0]), 0,
2107 sizeof(struct mac_stx));
2108 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002109 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002110 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2111 }
2112
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002113 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2114 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002115
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002116 if (cmng_fns != CMNG_FNS_NONE) {
2117 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2118 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2119 } else
2120 /* rate shaping and fairness are disabled */
2121 DP(NETIF_MSG_IFUP,
2122 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002123 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002124
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002125 __bnx2x_link_report(bp);
2126
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002127 if (IS_MF(bp))
2128 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002129}
2130
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002131void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002132{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002133 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002134 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002135
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002136 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2137
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002138 if (bp->link_vars.link_up)
2139 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2140 else
2141 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2142
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002143 /* indicate link status */
2144 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002145}
2146
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002147static void bnx2x_pmf_update(struct bnx2x *bp)
2148{
2149 int port = BP_PORT(bp);
2150 u32 val;
2151
2152 bp->port.pmf = 1;
2153 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2154
2155 /* enable nig attention */
2156 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002157 if (bp->common.int_block == INT_BLOCK_HC) {
2158 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2159 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2160 } else if (CHIP_IS_E2(bp)) {
2161 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2162 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2163 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002164
2165 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002166}
2167
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002168/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002169
2170/* slow path */
2171
2172/*
2173 * General service functions
2174 */
2175
Eilon Greenstein2691d512009-08-12 08:22:08 +00002176/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002177u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002178{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002179 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002180 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002181 u32 rc = 0;
2182 u32 cnt = 1;
2183 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2184
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002185 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002186 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002187 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2188 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2189
Eilon Greenstein2691d512009-08-12 08:22:08 +00002190 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2191
2192 do {
2193 /* let the FW do it's magic ... */
2194 msleep(delay);
2195
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002196 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002197
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002198 /* Give the FW up to 5 second (500*10ms) */
2199 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002200
2201 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2202 cnt*delay, rc, seq);
2203
2204 /* is this a reply to our command? */
2205 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2206 rc &= FW_MSG_CODE_MASK;
2207 else {
2208 /* FW BUG! */
2209 BNX2X_ERR("FW failed to respond!\n");
2210 bnx2x_fw_dump(bp);
2211 rc = 0;
2212 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002213 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002214
2215 return rc;
2216}
2217
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002218static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2219{
2220#ifdef BCM_CNIC
2221 if (IS_FCOE_FP(fp) && IS_MF(bp))
2222 return false;
2223#endif
2224 return true;
2225}
2226
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002227/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002228static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002229{
2230 u32 mask = (1 << cl_id);
2231
2232 /* initial seeting is BNX2X_ACCEPT_NONE */
2233 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2234 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2235 u8 unmatched_unicast = 0;
2236
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002237 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2238 unmatched_unicast = 1;
2239
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002240 if (filters & BNX2X_PROMISCUOUS_MODE) {
2241 /* promiscious - accept all, drop none */
2242 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2243 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002244 if (IS_MF_SI(bp)) {
2245 /*
2246 * SI mode defines to accept in promiscuos mode
2247 * only unmatched packets
2248 */
2249 unmatched_unicast = 1;
2250 accp_all_ucast = 0;
2251 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002252 }
2253 if (filters & BNX2X_ACCEPT_UNICAST) {
2254 /* accept matched ucast */
2255 drop_all_ucast = 0;
2256 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002257 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002258 /* accept matched mcast */
2259 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002260
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002261 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2262 /* accept all mcast */
2263 drop_all_ucast = 0;
2264 accp_all_ucast = 1;
2265 }
2266 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2267 /* accept all mcast */
2268 drop_all_mcast = 0;
2269 accp_all_mcast = 1;
2270 }
2271 if (filters & BNX2X_ACCEPT_BROADCAST) {
2272 /* accept (all) bcast */
2273 drop_all_bcast = 0;
2274 accp_all_bcast = 1;
2275 }
2276
2277 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2278 bp->mac_filters.ucast_drop_all | mask :
2279 bp->mac_filters.ucast_drop_all & ~mask;
2280
2281 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2282 bp->mac_filters.mcast_drop_all | mask :
2283 bp->mac_filters.mcast_drop_all & ~mask;
2284
2285 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2286 bp->mac_filters.bcast_drop_all | mask :
2287 bp->mac_filters.bcast_drop_all & ~mask;
2288
2289 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2290 bp->mac_filters.ucast_accept_all | mask :
2291 bp->mac_filters.ucast_accept_all & ~mask;
2292
2293 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2294 bp->mac_filters.mcast_accept_all | mask :
2295 bp->mac_filters.mcast_accept_all & ~mask;
2296
2297 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2298 bp->mac_filters.bcast_accept_all | mask :
2299 bp->mac_filters.bcast_accept_all & ~mask;
2300
2301 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2302 bp->mac_filters.unmatched_unicast | mask :
2303 bp->mac_filters.unmatched_unicast & ~mask;
2304}
2305
stephen hemminger8d962862010-10-21 07:50:56 +00002306static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002307{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002308 struct tstorm_eth_function_common_config tcfg = {0};
2309 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002310
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002311 /* tpa */
2312 if (p->func_flgs & FUNC_FLG_TPA)
2313 tcfg.config_flags |=
2314 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002315
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002316 /* set rss flags */
2317 rss_flgs = (p->rss->mode <<
2318 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002319
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002320 if (p->rss->cap & RSS_IPV4_CAP)
2321 rss_flgs |= RSS_IPV4_CAP_MASK;
2322 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2323 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2324 if (p->rss->cap & RSS_IPV6_CAP)
2325 rss_flgs |= RSS_IPV6_CAP_MASK;
2326 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2327 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002328
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002329 tcfg.config_flags |= rss_flgs;
2330 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002331
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002332 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002333
2334 /* Enable the function in the FW */
2335 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2336 storm_memset_func_en(bp, p->func_id, 1);
2337
2338 /* statistics */
2339 if (p->func_flgs & FUNC_FLG_STATS) {
2340 struct stats_indication_flags stats_flags = {0};
2341 stats_flags.collect_eth = 1;
2342
2343 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2344 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2345
2346 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2347 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2348
2349 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2350 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2351
2352 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2353 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2354 }
2355
2356 /* spq */
2357 if (p->func_flgs & FUNC_FLG_SPQ) {
2358 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2359 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2360 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2361 }
2362}
2363
2364static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2365 struct bnx2x_fastpath *fp)
2366{
2367 u16 flags = 0;
2368
2369 /* calculate queue flags */
2370 flags |= QUEUE_FLG_CACHE_ALIGN;
2371 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002372 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002373
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002374 flags |= QUEUE_FLG_VLAN;
2375 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002376
2377 if (!fp->disable_tpa)
2378 flags |= QUEUE_FLG_TPA;
2379
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002380 flags = stat_counter_valid(bp, fp) ?
2381 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002382
2383 return flags;
2384}
2385
2386static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2387 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2388 struct bnx2x_rxq_init_params *rxq_init)
2389{
2390 u16 max_sge = 0;
2391 u16 sge_sz = 0;
2392 u16 tpa_agg_size = 0;
2393
2394 /* calculate queue flags */
2395 u16 flags = bnx2x_get_cl_flags(bp, fp);
2396
2397 if (!fp->disable_tpa) {
2398 pause->sge_th_hi = 250;
2399 pause->sge_th_lo = 150;
2400 tpa_agg_size = min_t(u32,
2401 (min_t(u32, 8, MAX_SKB_FRAGS) *
2402 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2403 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2404 SGE_PAGE_SHIFT;
2405 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2406 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2407 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2408 0xffff);
2409 }
2410
2411 /* pause - not for e1 */
2412 if (!CHIP_IS_E1(bp)) {
2413 pause->bd_th_hi = 350;
2414 pause->bd_th_lo = 250;
2415 pause->rcq_th_hi = 350;
2416 pause->rcq_th_lo = 250;
2417 pause->sge_th_hi = 0;
2418 pause->sge_th_lo = 0;
2419 pause->pri_map = 1;
2420 }
2421
2422 /* rxq setup */
2423 rxq_init->flags = flags;
2424 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2425 rxq_init->dscr_map = fp->rx_desc_mapping;
2426 rxq_init->sge_map = fp->rx_sge_mapping;
2427 rxq_init->rcq_map = fp->rx_comp_mapping;
2428 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002429
2430 /* Always use mini-jumbo MTU for FCoE L2 ring */
2431 if (IS_FCOE_FP(fp))
2432 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2433 else
2434 rxq_init->mtu = bp->dev->mtu;
2435
2436 rxq_init->buf_sz = fp->rx_buf_size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002437 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2438 rxq_init->cl_id = fp->cl_id;
2439 rxq_init->spcl_id = fp->cl_id;
2440 rxq_init->stat_id = fp->cl_id;
2441 rxq_init->tpa_agg_sz = tpa_agg_size;
2442 rxq_init->sge_buf_sz = sge_sz;
2443 rxq_init->max_sges_pkt = max_sge;
2444 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2445 rxq_init->fw_sb_id = fp->fw_sb_id;
2446
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002447 if (IS_FCOE_FP(fp))
2448 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2449 else
2450 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002451
2452 rxq_init->cid = HW_CID(bp, fp->cid);
2453
2454 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2455}
2456
2457static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2458 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2459{
2460 u16 flags = bnx2x_get_cl_flags(bp, fp);
2461
2462 txq_init->flags = flags;
2463 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2464 txq_init->dscr_map = fp->tx_desc_mapping;
2465 txq_init->stat_id = fp->cl_id;
2466 txq_init->cid = HW_CID(bp, fp->cid);
2467 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2468 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2469 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002470
2471 if (IS_FCOE_FP(fp)) {
2472 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2473 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2474 }
2475
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002476 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2477}
2478
stephen hemminger8d962862010-10-21 07:50:56 +00002479static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002480{
2481 struct bnx2x_func_init_params func_init = {0};
2482 struct bnx2x_rss_params rss = {0};
2483 struct event_ring_data eq_data = { {0} };
2484 u16 flags;
2485
2486 /* pf specific setups */
2487 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002488 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002489
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002490 if (CHIP_IS_E2(bp)) {
2491 /* reset IGU PF statistics: MSIX + ATTN */
2492 /* PF */
2493 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2494 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2495 (CHIP_MODE_IS_4_PORT(bp) ?
2496 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2497 /* ATTN */
2498 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2499 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2500 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2501 (CHIP_MODE_IS_4_PORT(bp) ?
2502 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2503 }
2504
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002505 /* function setup flags */
2506 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2507
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002508 if (CHIP_IS_E1x(bp))
2509 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2510 else
2511 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002512
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002513 /* function setup */
2514
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002515 /**
2516 * Although RSS is meaningless when there is a single HW queue we
2517 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002518 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002519 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2520 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2521 rss.mode = bp->multi_mode;
2522 rss.result_mask = MULTI_MASK;
2523 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002524
2525 func_init.func_flgs = flags;
2526 func_init.pf_id = BP_FUNC(bp);
2527 func_init.func_id = BP_FUNC(bp);
2528 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2529 func_init.spq_map = bp->spq_mapping;
2530 func_init.spq_prod = bp->spq_prod_idx;
2531
2532 bnx2x_func_init(bp, &func_init);
2533
2534 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2535
2536 /*
2537 Congestion management values depend on the link rate
2538 There is no active link so initial link rate is set to 10 Gbps.
2539 When the link comes up The congestion management values are
2540 re-calculated according to the actual link rate.
2541 */
2542 bp->link_vars.line_speed = SPEED_10000;
2543 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2544
2545 /* Only the PMF sets the HW */
2546 if (bp->port.pmf)
2547 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2548
2549 /* no rx until link is up */
2550 bp->rx_mode = BNX2X_RX_MODE_NONE;
2551 bnx2x_set_storm_rx_mode(bp);
2552
2553 /* init Event Queue */
2554 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2555 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2556 eq_data.producer = bp->eq_prod;
2557 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2558 eq_data.sb_id = DEF_SB_ID;
2559 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2560}
2561
2562
Eilon Greenstein2691d512009-08-12 08:22:08 +00002563static void bnx2x_e1h_disable(struct bnx2x *bp)
2564{
2565 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002566
2567 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002568
2569 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2570
Eilon Greenstein2691d512009-08-12 08:22:08 +00002571 netif_carrier_off(bp->dev);
2572}
2573
2574static void bnx2x_e1h_enable(struct bnx2x *bp)
2575{
2576 int port = BP_PORT(bp);
2577
2578 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2579
Eilon Greenstein2691d512009-08-12 08:22:08 +00002580 /* Tx queue should be only reenabled */
2581 netif_tx_wake_all_queues(bp->dev);
2582
Eilon Greenstein061bc702009-10-15 00:18:47 -07002583 /*
2584 * Should not call netif_carrier_on since it will be called if the link
2585 * is up when checking for link state
2586 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002587}
2588
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002589/* called due to MCP event (on pmf):
2590 * reread new bandwidth configuration
2591 * configure FW
2592 * notify others function about the change
2593 */
2594static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2595{
2596 if (bp->link_vars.link_up) {
2597 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2598 bnx2x_link_sync_notify(bp);
2599 }
2600 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2601}
2602
2603static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2604{
2605 bnx2x_config_mf_bw(bp);
2606 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2607}
2608
Eilon Greenstein2691d512009-08-12 08:22:08 +00002609static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2610{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002611 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002612
2613 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2614
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002615 /*
2616 * This is the only place besides the function initialization
2617 * where the bp->flags can change so it is done without any
2618 * locks
2619 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002620 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002621 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002622 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002623
2624 bnx2x_e1h_disable(bp);
2625 } else {
2626 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002627 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002628
2629 bnx2x_e1h_enable(bp);
2630 }
2631 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2632 }
2633 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002634 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002635 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2636 }
2637
2638 /* Report results to MCP */
2639 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002640 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002641 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002642 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002643}
2644
Michael Chan28912902009-10-10 13:46:53 +00002645/* must be called under the spq lock */
2646static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2647{
2648 struct eth_spe *next_spe = bp->spq_prod_bd;
2649
2650 if (bp->spq_prod_bd == bp->spq_last_bd) {
2651 bp->spq_prod_bd = bp->spq;
2652 bp->spq_prod_idx = 0;
2653 DP(NETIF_MSG_TIMER, "end of spq\n");
2654 } else {
2655 bp->spq_prod_bd++;
2656 bp->spq_prod_idx++;
2657 }
2658 return next_spe;
2659}
2660
2661/* must be called under the spq lock */
2662static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2663{
2664 int func = BP_FUNC(bp);
2665
2666 /* Make sure that BD data is updated before writing the producer */
2667 wmb();
2668
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002669 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002670 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002671 mmiowb();
2672}
2673
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002674/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002675int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002676 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002677{
Michael Chan28912902009-10-10 13:46:53 +00002678 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002679 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002680
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002681#ifdef BNX2X_STOP_ON_ERROR
2682 if (unlikely(bp->panic))
2683 return -EIO;
2684#endif
2685
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002686 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002687
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002688 if (common) {
2689 if (!atomic_read(&bp->eq_spq_left)) {
2690 BNX2X_ERR("BUG! EQ ring full!\n");
2691 spin_unlock_bh(&bp->spq_lock);
2692 bnx2x_panic();
2693 return -EBUSY;
2694 }
2695 } else if (!atomic_read(&bp->cq_spq_left)) {
2696 BNX2X_ERR("BUG! SPQ ring full!\n");
2697 spin_unlock_bh(&bp->spq_lock);
2698 bnx2x_panic();
2699 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002700 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002701
Michael Chan28912902009-10-10 13:46:53 +00002702 spe = bnx2x_sp_get_next(bp);
2703
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002704 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002705 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002706 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2707 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002708
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002709 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002710 /* Common ramrods:
2711 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2712 * TRAFFIC_STOP, TRAFFIC_START
2713 */
2714 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2715 & SPE_HDR_CONN_TYPE;
2716 else
2717 /* ETH ramrods: SETUP, HALT */
2718 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2719 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002720
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002721 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2722 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002723
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002724 spe->hdr.type = cpu_to_le16(type);
2725
2726 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2727 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2728
2729 /* stats ramrod has it's own slot on the spq */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002730 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002731 /* It's ok if the actual decrement is issued towards the memory
2732 * somewhere between the spin_lock and spin_unlock. Thus no
2733 * more explict memory barrier is needed.
2734 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002735 if (common)
2736 atomic_dec(&bp->eq_spq_left);
2737 else
2738 atomic_dec(&bp->cq_spq_left);
2739 }
2740
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002741
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002742 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002743 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002744 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002745 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2746 (u32)(U64_LO(bp->spq_mapping) +
2747 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002748 HW_CID(bp, cid), data_hi, data_lo, type,
2749 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002750
Michael Chan28912902009-10-10 13:46:53 +00002751 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002752 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002753 return 0;
2754}
2755
2756/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002757static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002758{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002759 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002760 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002761
2762 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002763 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002764 val = (1UL << 31);
2765 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2766 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2767 if (val & (1L << 31))
2768 break;
2769
2770 msleep(5);
2771 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002772 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002773 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002774 rc = -EBUSY;
2775 }
2776
2777 return rc;
2778}
2779
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002780/* release split MCP access lock register */
2781static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002782{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002783 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002784}
2785
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002786#define BNX2X_DEF_SB_ATT_IDX 0x0001
2787#define BNX2X_DEF_SB_IDX 0x0002
2788
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002789static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2790{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002791 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002792 u16 rc = 0;
2793
2794 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002795 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2796 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002797 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002798 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002799
2800 if (bp->def_idx != def_sb->sp_sb.running_index) {
2801 bp->def_idx = def_sb->sp_sb.running_index;
2802 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002803 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002804
2805 /* Do not reorder: indecies reading should complete before handling */
2806 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002807 return rc;
2808}
2809
2810/*
2811 * slow path service functions
2812 */
2813
2814static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2815{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002816 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002817 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2818 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002819 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2820 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002821 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002822 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002823 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002824
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002825 if (bp->attn_state & asserted)
2826 BNX2X_ERR("IGU ERROR\n");
2827
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002828 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2829 aeu_mask = REG_RD(bp, aeu_addr);
2830
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002831 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002832 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002833 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002834 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002835
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002836 REG_WR(bp, aeu_addr, aeu_mask);
2837 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002838
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002839 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002840 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002841 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002842
2843 if (asserted & ATTN_HARD_WIRED_MASK) {
2844 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002845
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002846 bnx2x_acquire_phy_lock(bp);
2847
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002848 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002849 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002850
Yaniv Rosner361c3912011-06-14 01:33:19 +00002851 /* If nig_mask is not set, no need to call the update
2852 * function.
2853 */
2854 if (nig_mask) {
2855 REG_WR(bp, nig_int_mask_addr, 0);
2856
2857 bnx2x_link_attn(bp);
2858 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002859
2860 /* handle unicore attn? */
2861 }
2862 if (asserted & ATTN_SW_TIMER_4_FUNC)
2863 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2864
2865 if (asserted & GPIO_2_FUNC)
2866 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2867
2868 if (asserted & GPIO_3_FUNC)
2869 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2870
2871 if (asserted & GPIO_4_FUNC)
2872 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2873
2874 if (port == 0) {
2875 if (asserted & ATTN_GENERAL_ATTN_1) {
2876 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2877 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2878 }
2879 if (asserted & ATTN_GENERAL_ATTN_2) {
2880 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2881 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2882 }
2883 if (asserted & ATTN_GENERAL_ATTN_3) {
2884 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2885 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2886 }
2887 } else {
2888 if (asserted & ATTN_GENERAL_ATTN_4) {
2889 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2890 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2891 }
2892 if (asserted & ATTN_GENERAL_ATTN_5) {
2893 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2894 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2895 }
2896 if (asserted & ATTN_GENERAL_ATTN_6) {
2897 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2898 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2899 }
2900 }
2901
2902 } /* if hardwired */
2903
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002904 if (bp->common.int_block == INT_BLOCK_HC)
2905 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2906 COMMAND_REG_ATTN_BITS_SET);
2907 else
2908 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2909
2910 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2911 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2912 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002913
2914 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002915 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002916 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002917 bnx2x_release_phy_lock(bp);
2918 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002919}
2920
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002921static inline void bnx2x_fan_failure(struct bnx2x *bp)
2922{
2923 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002924 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002925 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002926 ext_phy_config =
2927 SHMEM_RD(bp,
2928 dev_info.port_hw_config[port].external_phy_config);
2929
2930 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2931 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002932 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002933 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002934
2935 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002936 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2937 " the driver to shutdown the card to prevent permanent"
2938 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002939}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002940
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002941static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2942{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002943 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002944 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002945 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002946
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002947 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2948 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002949
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002950 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002951
2952 val = REG_RD(bp, reg_offset);
2953 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2954 REG_WR(bp, reg_offset, val);
2955
2956 BNX2X_ERR("SPIO5 hw attention\n");
2957
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002958 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002959 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002960 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002961 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002962
Eilon Greenstein589abe32009-02-12 08:36:55 +00002963 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2964 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2965 bnx2x_acquire_phy_lock(bp);
2966 bnx2x_handle_module_detect_int(&bp->link_params);
2967 bnx2x_release_phy_lock(bp);
2968 }
2969
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002970 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2971
2972 val = REG_RD(bp, reg_offset);
2973 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2974 REG_WR(bp, reg_offset, val);
2975
2976 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00002977 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002978 bnx2x_panic();
2979 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002980}
2981
2982static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2983{
2984 u32 val;
2985
Eilon Greenstein0626b892009-02-12 08:38:14 +00002986 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002987
2988 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2989 BNX2X_ERR("DB hw attention 0x%x\n", val);
2990 /* DORQ discard attention */
2991 if (val & 0x2)
2992 BNX2X_ERR("FATAL error from DORQ\n");
2993 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002994
2995 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2996
2997 int port = BP_PORT(bp);
2998 int reg_offset;
2999
3000 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3001 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3002
3003 val = REG_RD(bp, reg_offset);
3004 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3005 REG_WR(bp, reg_offset, val);
3006
3007 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003008 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003009 bnx2x_panic();
3010 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003011}
3012
3013static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3014{
3015 u32 val;
3016
3017 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3018
3019 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3020 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3021 /* CFC error attention */
3022 if (val & 0x2)
3023 BNX2X_ERR("FATAL error from CFC\n");
3024 }
3025
3026 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3027
3028 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3029 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3030 /* RQ_USDMDP_FIFO_OVERFLOW */
3031 if (val & 0x18000)
3032 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003033 if (CHIP_IS_E2(bp)) {
3034 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3035 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3036 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003037 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003038
3039 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3040
3041 int port = BP_PORT(bp);
3042 int reg_offset;
3043
3044 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3045 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3046
3047 val = REG_RD(bp, reg_offset);
3048 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3049 REG_WR(bp, reg_offset, val);
3050
3051 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003052 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003053 bnx2x_panic();
3054 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003055}
3056
3057static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3058{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003059 u32 val;
3060
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003061 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3062
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003063 if (attn & BNX2X_PMF_LINK_ASSERT) {
3064 int func = BP_FUNC(bp);
3065
3066 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003067 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3068 func_mf_config[BP_ABS_FUNC(bp)].config);
3069 val = SHMEM_RD(bp,
3070 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003071 if (val & DRV_STATUS_DCC_EVENT_MASK)
3072 bnx2x_dcc_event(bp,
3073 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003074
3075 if (val & DRV_STATUS_SET_MF_BW)
3076 bnx2x_set_mf_bw(bp);
3077
Eilon Greenstein2691d512009-08-12 08:22:08 +00003078 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003079 bnx2x_pmf_update(bp);
3080
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00003081 /* Always call it here: bnx2x_link_report() will
3082 * prevent the link indication duplication.
3083 */
3084 bnx2x__link_status_update(bp);
3085
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003086 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003087 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3088 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003089 /* start dcbx state machine */
3090 bnx2x_dcbx_set_params(bp,
3091 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003092 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003093
3094 BNX2X_ERR("MC assert!\n");
3095 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3096 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3097 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3098 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3099 bnx2x_panic();
3100
3101 } else if (attn & BNX2X_MCP_ASSERT) {
3102
3103 BNX2X_ERR("MCP assert!\n");
3104 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003105 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003106
3107 } else
3108 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3109 }
3110
3111 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003112 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3113 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003114 val = CHIP_IS_E1(bp) ? 0 :
3115 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003116 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3117 }
3118 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003119 val = CHIP_IS_E1(bp) ? 0 :
3120 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003121 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3122 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003123 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003124 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003125}
3126
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003127#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3128#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3129#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3130#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3131#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003132
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003133/*
3134 * should be run under rtnl lock
3135 */
3136static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3137{
3138 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3139 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3140 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3141 barrier();
3142 mmiowb();
3143}
3144
3145/*
3146 * should be run under rtnl lock
3147 */
3148static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3149{
3150 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3151 val |= (1 << 16);
3152 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3153 barrier();
3154 mmiowb();
3155}
3156
3157/*
3158 * should be run under rtnl lock
3159 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003160bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003161{
3162 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3163 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3164 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3165}
3166
3167/*
3168 * should be run under rtnl lock
3169 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003170inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003171{
3172 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3173
3174 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3175
3176 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3177 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3178 barrier();
3179 mmiowb();
3180}
3181
3182/*
3183 * should be run under rtnl lock
3184 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003185u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003186{
3187 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3188
3189 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3190
3191 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3192 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3193 barrier();
3194 mmiowb();
3195
3196 return val1;
3197}
3198
3199/*
3200 * should be run under rtnl lock
3201 */
3202static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3203{
3204 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3205}
3206
3207static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3208{
3209 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3210 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3211}
3212
3213static inline void _print_next_block(int idx, const char *blk)
3214{
3215 if (idx)
3216 pr_cont(", ");
3217 pr_cont("%s", blk);
3218}
3219
3220static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3221{
3222 int i = 0;
3223 u32 cur_bit = 0;
3224 for (i = 0; sig; i++) {
3225 cur_bit = ((u32)0x1 << i);
3226 if (sig & cur_bit) {
3227 switch (cur_bit) {
3228 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3229 _print_next_block(par_num++, "BRB");
3230 break;
3231 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3232 _print_next_block(par_num++, "PARSER");
3233 break;
3234 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3235 _print_next_block(par_num++, "TSDM");
3236 break;
3237 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3238 _print_next_block(par_num++, "SEARCHER");
3239 break;
3240 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3241 _print_next_block(par_num++, "TSEMI");
3242 break;
3243 }
3244
3245 /* Clear the bit */
3246 sig &= ~cur_bit;
3247 }
3248 }
3249
3250 return par_num;
3251}
3252
3253static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3254{
3255 int i = 0;
3256 u32 cur_bit = 0;
3257 for (i = 0; sig; i++) {
3258 cur_bit = ((u32)0x1 << i);
3259 if (sig & cur_bit) {
3260 switch (cur_bit) {
3261 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3262 _print_next_block(par_num++, "PBCLIENT");
3263 break;
3264 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3265 _print_next_block(par_num++, "QM");
3266 break;
3267 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3268 _print_next_block(par_num++, "XSDM");
3269 break;
3270 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3271 _print_next_block(par_num++, "XSEMI");
3272 break;
3273 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3274 _print_next_block(par_num++, "DOORBELLQ");
3275 break;
3276 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3277 _print_next_block(par_num++, "VAUX PCI CORE");
3278 break;
3279 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3280 _print_next_block(par_num++, "DEBUG");
3281 break;
3282 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3283 _print_next_block(par_num++, "USDM");
3284 break;
3285 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3286 _print_next_block(par_num++, "USEMI");
3287 break;
3288 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3289 _print_next_block(par_num++, "UPB");
3290 break;
3291 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3292 _print_next_block(par_num++, "CSDM");
3293 break;
3294 }
3295
3296 /* Clear the bit */
3297 sig &= ~cur_bit;
3298 }
3299 }
3300
3301 return par_num;
3302}
3303
3304static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3305{
3306 int i = 0;
3307 u32 cur_bit = 0;
3308 for (i = 0; sig; i++) {
3309 cur_bit = ((u32)0x1 << i);
3310 if (sig & cur_bit) {
3311 switch (cur_bit) {
3312 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3313 _print_next_block(par_num++, "CSEMI");
3314 break;
3315 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3316 _print_next_block(par_num++, "PXP");
3317 break;
3318 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3319 _print_next_block(par_num++,
3320 "PXPPCICLOCKCLIENT");
3321 break;
3322 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3323 _print_next_block(par_num++, "CFC");
3324 break;
3325 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3326 _print_next_block(par_num++, "CDU");
3327 break;
3328 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3329 _print_next_block(par_num++, "IGU");
3330 break;
3331 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3332 _print_next_block(par_num++, "MISC");
3333 break;
3334 }
3335
3336 /* Clear the bit */
3337 sig &= ~cur_bit;
3338 }
3339 }
3340
3341 return par_num;
3342}
3343
3344static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3345{
3346 int i = 0;
3347 u32 cur_bit = 0;
3348 for (i = 0; sig; i++) {
3349 cur_bit = ((u32)0x1 << i);
3350 if (sig & cur_bit) {
3351 switch (cur_bit) {
3352 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3353 _print_next_block(par_num++, "MCP ROM");
3354 break;
3355 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3356 _print_next_block(par_num++, "MCP UMP RX");
3357 break;
3358 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3359 _print_next_block(par_num++, "MCP UMP TX");
3360 break;
3361 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3362 _print_next_block(par_num++, "MCP SCPAD");
3363 break;
3364 }
3365
3366 /* Clear the bit */
3367 sig &= ~cur_bit;
3368 }
3369 }
3370
3371 return par_num;
3372}
3373
3374static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3375 u32 sig2, u32 sig3)
3376{
3377 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3378 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3379 int par_num = 0;
3380 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3381 "[0]:0x%08x [1]:0x%08x "
3382 "[2]:0x%08x [3]:0x%08x\n",
3383 sig0 & HW_PRTY_ASSERT_SET_0,
3384 sig1 & HW_PRTY_ASSERT_SET_1,
3385 sig2 & HW_PRTY_ASSERT_SET_2,
3386 sig3 & HW_PRTY_ASSERT_SET_3);
3387 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3388 bp->dev->name);
3389 par_num = bnx2x_print_blocks_with_parity0(
3390 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3391 par_num = bnx2x_print_blocks_with_parity1(
3392 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3393 par_num = bnx2x_print_blocks_with_parity2(
3394 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3395 par_num = bnx2x_print_blocks_with_parity3(
3396 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3397 printk("\n");
3398 return true;
3399 } else
3400 return false;
3401}
3402
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003403bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003404{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003405 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003406 int port = BP_PORT(bp);
3407
3408 attn.sig[0] = REG_RD(bp,
3409 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3410 port*4);
3411 attn.sig[1] = REG_RD(bp,
3412 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3413 port*4);
3414 attn.sig[2] = REG_RD(bp,
3415 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3416 port*4);
3417 attn.sig[3] = REG_RD(bp,
3418 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3419 port*4);
3420
3421 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3422 attn.sig[3]);
3423}
3424
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003425
3426static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3427{
3428 u32 val;
3429 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3430
3431 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3432 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3433 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3434 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3435 "ADDRESS_ERROR\n");
3436 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3437 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3438 "INCORRECT_RCV_BEHAVIOR\n");
3439 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3440 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3441 "WAS_ERROR_ATTN\n");
3442 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3443 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3444 "VF_LENGTH_VIOLATION_ATTN\n");
3445 if (val &
3446 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3447 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3448 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3449 if (val &
3450 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3451 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3452 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3453 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3454 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3455 "TCPL_ERROR_ATTN\n");
3456 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3457 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3458 "TCPL_IN_TWO_RCBS_ATTN\n");
3459 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3460 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3461 "CSSNOOP_FIFO_OVERFLOW\n");
3462 }
3463 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3464 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3465 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3466 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3467 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3468 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3469 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3470 "_ATC_TCPL_TO_NOT_PEND\n");
3471 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3472 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3473 "ATC_GPA_MULTIPLE_HITS\n");
3474 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3475 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3476 "ATC_RCPL_TO_EMPTY_CNT\n");
3477 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3478 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3479 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3480 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3481 "ATC_IREQ_LESS_THAN_STU\n");
3482 }
3483
3484 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3485 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3486 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3487 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3488 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3489 }
3490
3491}
3492
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003493static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3494{
3495 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003496 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003497 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003498 u32 reg_addr;
3499 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003500 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003501
3502 /* need to take HW lock because MCP or other port might also
3503 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003504 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003505
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003506 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003507 bp->recovery_state = BNX2X_RECOVERY_INIT;
3508 bnx2x_set_reset_in_progress(bp);
3509 schedule_delayed_work(&bp->reset_task, 0);
3510 /* Disable HW interrupts */
3511 bnx2x_int_disable(bp);
3512 bnx2x_release_alr(bp);
3513 /* In case of parity errors don't handle attentions so that
3514 * other function would "see" parity errors.
3515 */
3516 return;
3517 }
3518
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003519 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3520 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3521 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3522 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003523 if (CHIP_IS_E2(bp))
3524 attn.sig[4] =
3525 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3526 else
3527 attn.sig[4] = 0;
3528
3529 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3530 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003531
3532 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3533 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003534 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003536 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3537 "%08x %08x %08x\n",
3538 index,
3539 group_mask->sig[0], group_mask->sig[1],
3540 group_mask->sig[2], group_mask->sig[3],
3541 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003542
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003543 bnx2x_attn_int_deasserted4(bp,
3544 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003545 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003546 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003547 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003548 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003549 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003550 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003551 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003552 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003553 }
3554 }
3555
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003556 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003557
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003558 if (bp->common.int_block == INT_BLOCK_HC)
3559 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3560 COMMAND_REG_ATTN_BITS_CLR);
3561 else
3562 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003563
3564 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003565 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3566 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003567 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003568
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003569 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003570 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003571
3572 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3573 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3574
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003575 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3576 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003577
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003578 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3579 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003580 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003581 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3582
3583 REG_WR(bp, reg_addr, aeu_mask);
3584 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003585
3586 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3587 bp->attn_state &= ~deasserted;
3588 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3589}
3590
3591static void bnx2x_attn_int(struct bnx2x *bp)
3592{
3593 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003594 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3595 attn_bits);
3596 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3597 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003598 u32 attn_state = bp->attn_state;
3599
3600 /* look for changed bits */
3601 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3602 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3603
3604 DP(NETIF_MSG_HW,
3605 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3606 attn_bits, attn_ack, asserted, deasserted);
3607
3608 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003609 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003610
3611 /* handle bits that were raised */
3612 if (asserted)
3613 bnx2x_attn_int_asserted(bp, asserted);
3614
3615 if (deasserted)
3616 bnx2x_attn_int_deasserted(bp, deasserted);
3617}
3618
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003619static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3620{
3621 /* No memory barriers */
3622 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3623 mmiowb(); /* keep prod updates ordered */
3624}
3625
3626#ifdef BCM_CNIC
3627static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3628 union event_ring_elem *elem)
3629{
3630 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00003631 (cid < bp->cnic_eth_dev.starting_cid &&
3632 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003633 return 1;
3634
3635 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3636
3637 if (unlikely(elem->message.data.cfc_del_event.error)) {
3638 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3639 cid);
3640 bnx2x_panic_dump(bp);
3641 }
3642 bnx2x_cnic_cfc_comp(bp, cid);
3643 return 0;
3644}
3645#endif
3646
3647static void bnx2x_eq_int(struct bnx2x *bp)
3648{
3649 u16 hw_cons, sw_cons, sw_prod;
3650 union event_ring_elem *elem;
3651 u32 cid;
3652 u8 opcode;
3653 int spqe_cnt = 0;
3654
3655 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3656
3657 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3658 * when we get the the next-page we nned to adjust so the loop
3659 * condition below will be met. The next element is the size of a
3660 * regular element and hence incrementing by 1
3661 */
3662 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3663 hw_cons++;
3664
Lucas De Marchi25985ed2011-03-30 22:57:33 -03003665 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003666 * specific bp, thus there is no need in "paired" read memory
3667 * barrier here.
3668 */
3669 sw_cons = bp->eq_cons;
3670 sw_prod = bp->eq_prod;
3671
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003672 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->cq_spq_left %u\n",
3673 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003674
3675 for (; sw_cons != hw_cons;
3676 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3677
3678
3679 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3680
3681 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3682 opcode = elem->message.opcode;
3683
3684
3685 /* handle eq element */
3686 switch (opcode) {
3687 case EVENT_RING_OPCODE_STAT_QUERY:
3688 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3689 /* nothing to do with stats comp */
3690 continue;
3691
3692 case EVENT_RING_OPCODE_CFC_DEL:
3693 /* handle according to cid range */
3694 /*
3695 * we may want to verify here that the bp state is
3696 * HALTING
3697 */
3698 DP(NETIF_MSG_IFDOWN,
3699 "got delete ramrod for MULTI[%d]\n", cid);
3700#ifdef BCM_CNIC
3701 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3702 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003703 if (cid == BNX2X_FCOE_ETH_CID)
3704 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3705 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003706#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003707 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003708 BNX2X_FP_STATE_CLOSED;
3709
3710 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003711
3712 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3713 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3714 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3715 goto next_spqe;
3716 case EVENT_RING_OPCODE_START_TRAFFIC:
3717 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3718 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3719 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003720 }
3721
3722 switch (opcode | bp->state) {
3723 case (EVENT_RING_OPCODE_FUNCTION_START |
3724 BNX2X_STATE_OPENING_WAIT4_PORT):
3725 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3726 bp->state = BNX2X_STATE_FUNC_STARTED;
3727 break;
3728
3729 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3730 BNX2X_STATE_CLOSING_WAIT4_HALT):
3731 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3732 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3733 break;
3734
3735 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3736 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3737 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003738 if (elem->message.data.set_mac_event.echo)
3739 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003740 break;
3741
3742 case (EVENT_RING_OPCODE_SET_MAC |
3743 BNX2X_STATE_CLOSING_WAIT4_HALT):
3744 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003745 if (elem->message.data.set_mac_event.echo)
3746 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003747 break;
3748 default:
3749 /* unknown event log error and continue */
3750 BNX2X_ERR("Unknown EQ event %d\n",
3751 elem->message.opcode);
3752 }
3753next_spqe:
3754 spqe_cnt++;
3755 } /* for */
3756
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003757 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003758 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003759
3760 bp->eq_cons = sw_cons;
3761 bp->eq_prod = sw_prod;
3762 /* Make sure that above mem writes were issued towards the memory */
3763 smp_wmb();
3764
3765 /* update producer */
3766 bnx2x_update_eq_prod(bp, bp->eq_prod);
3767}
3768
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003769static void bnx2x_sp_task(struct work_struct *work)
3770{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003771 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003772 u16 status;
3773
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003774 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003775/* if (status == 0) */
3776/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003777
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003778 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003779
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003780 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003781 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003782 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003783 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003784 }
3785
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003786 /* SP events: STAT_QUERY and others */
3787 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003788#ifdef BCM_CNIC
3789 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003790
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003791 if ((!NO_FCOE(bp)) &&
3792 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3793 napi_schedule(&bnx2x_fcoe(bp, napi));
3794#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003795 /* Handle EQ completions */
3796 bnx2x_eq_int(bp);
3797
3798 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3799 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3800
3801 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003802 }
3803
3804 if (unlikely(status))
3805 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3806 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003807
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003808 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3809 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003810}
3811
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003812irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003813{
3814 struct net_device *dev = dev_instance;
3815 struct bnx2x *bp = netdev_priv(dev);
3816
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003817 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3818 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003819
3820#ifdef BNX2X_STOP_ON_ERROR
3821 if (unlikely(bp->panic))
3822 return IRQ_HANDLED;
3823#endif
3824
Michael Chan993ac7b2009-10-10 13:46:56 +00003825#ifdef BCM_CNIC
3826 {
3827 struct cnic_ops *c_ops;
3828
3829 rcu_read_lock();
3830 c_ops = rcu_dereference(bp->cnic_ops);
3831 if (c_ops)
3832 c_ops->cnic_handler(bp->cnic_data, NULL);
3833 rcu_read_unlock();
3834 }
3835#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003836 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003837
3838 return IRQ_HANDLED;
3839}
3840
3841/* end of slow path */
3842
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003843static void bnx2x_timer(unsigned long data)
3844{
3845 struct bnx2x *bp = (struct bnx2x *) data;
3846
3847 if (!netif_running(bp->dev))
3848 return;
3849
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003850 if (poll) {
3851 struct bnx2x_fastpath *fp = &bp->fp[0];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003852
Eilon Greenstein7961f792009-03-02 07:59:31 +00003853 bnx2x_tx_int(fp);
David S. Millerb8ee8322011-04-17 16:56:12 -07003854 bnx2x_rx_int(fp, 1000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003855 }
3856
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003857 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003858 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003859 u32 drv_pulse;
3860 u32 mcp_pulse;
3861
3862 ++bp->fw_drv_pulse_wr_seq;
3863 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3864 /* TBD - add SYSTEM_TIME */
3865 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003866 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003867
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003868 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003869 MCP_PULSE_SEQ_MASK);
3870 /* The delta between driver pulse and mcp response
3871 * should be 1 (before mcp response) or 0 (after mcp response)
3872 */
3873 if ((drv_pulse != mcp_pulse) &&
3874 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3875 /* someone lost a heartbeat... */
3876 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3877 drv_pulse, mcp_pulse);
3878 }
3879 }
3880
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003881 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003882 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003883
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003884 mod_timer(&bp->timer, jiffies + bp->current_interval);
3885}
3886
3887/* end of Statistics */
3888
3889/* nic init */
3890
3891/*
3892 * nic init service functions
3893 */
3894
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003895static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003896{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003897 u32 i;
3898 if (!(len%4) && !(addr%4))
3899 for (i = 0; i < len; i += 4)
3900 REG_WR(bp, addr + i, fill);
3901 else
3902 for (i = 0; i < len; i++)
3903 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003904
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003905}
3906
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003907/* helper: writes FP SP data to FW - data_size in dwords */
3908static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3909 int fw_sb_id,
3910 u32 *sb_data_p,
3911 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003912{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003913 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003914 for (index = 0; index < data_size; index++)
3915 REG_WR(bp, BAR_CSTRORM_INTMEM +
3916 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3917 sizeof(u32)*index,
3918 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003919}
3920
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003921static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3922{
3923 u32 *sb_data_p;
3924 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003925 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003926 struct hc_status_block_data_e1x sb_data_e1x;
3927
3928 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003929 if (CHIP_IS_E2(bp)) {
3930 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3931 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3932 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3933 sb_data_e2.common.p_func.vf_valid = false;
3934 sb_data_p = (u32 *)&sb_data_e2;
3935 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3936 } else {
3937 memset(&sb_data_e1x, 0,
3938 sizeof(struct hc_status_block_data_e1x));
3939 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3940 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3941 sb_data_e1x.common.p_func.vf_valid = false;
3942 sb_data_p = (u32 *)&sb_data_e1x;
3943 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3944 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003945 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3946
3947 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3948 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3949 CSTORM_STATUS_BLOCK_SIZE);
3950 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3951 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3952 CSTORM_SYNC_BLOCK_SIZE);
3953}
3954
3955/* helper: writes SP SB data to FW */
3956static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3957 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003958{
3959 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003960 int i;
3961 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
3962 REG_WR(bp, BAR_CSTRORM_INTMEM +
3963 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
3964 i*sizeof(u32),
3965 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003966}
3967
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003968static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
3969{
3970 int func = BP_FUNC(bp);
3971 struct hc_sp_status_block_data sp_sb_data;
3972 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
3973
3974 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
3975 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
3976 sp_sb_data.p_func.vf_valid = false;
3977
3978 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
3979
3980 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3981 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
3982 CSTORM_SP_STATUS_BLOCK_SIZE);
3983 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3984 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
3985 CSTORM_SP_SYNC_BLOCK_SIZE);
3986
3987}
3988
3989
3990static inline
3991void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
3992 int igu_sb_id, int igu_seg_id)
3993{
3994 hc_sm->igu_sb_id = igu_sb_id;
3995 hc_sm->igu_seg_id = igu_seg_id;
3996 hc_sm->timer_value = 0xFF;
3997 hc_sm->time_to_expire = 0xFFFFFFFF;
3998}
3999
stephen hemminger8d962862010-10-21 07:50:56 +00004000static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004001 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4002{
4003 int igu_seg_id;
4004
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004005 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004006 struct hc_status_block_data_e1x sb_data_e1x;
4007 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004008 int data_size;
4009 u32 *sb_data_p;
4010
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004011 if (CHIP_INT_MODE_IS_BC(bp))
4012 igu_seg_id = HC_SEG_ACCESS_NORM;
4013 else
4014 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004015
4016 bnx2x_zero_fp_sb(bp, fw_sb_id);
4017
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004018 if (CHIP_IS_E2(bp)) {
4019 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4020 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4021 sb_data_e2.common.p_func.vf_id = vfid;
4022 sb_data_e2.common.p_func.vf_valid = vf_valid;
4023 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4024 sb_data_e2.common.same_igu_sb_1b = true;
4025 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4026 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4027 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004028 sb_data_p = (u32 *)&sb_data_e2;
4029 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4030 } else {
4031 memset(&sb_data_e1x, 0,
4032 sizeof(struct hc_status_block_data_e1x));
4033 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4034 sb_data_e1x.common.p_func.vf_id = 0xff;
4035 sb_data_e1x.common.p_func.vf_valid = false;
4036 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4037 sb_data_e1x.common.same_igu_sb_1b = true;
4038 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4039 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4040 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004041 sb_data_p = (u32 *)&sb_data_e1x;
4042 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4043 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004044
4045 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4046 igu_sb_id, igu_seg_id);
4047 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4048 igu_sb_id, igu_seg_id);
4049
4050 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4051
4052 /* write indecies to HW */
4053 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4054}
4055
4056static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4057 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004058{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004059 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004060 u8 ticks = usec / BNX2X_BTR;
4061
4062 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4063
4064 disable = disable ? 1 : (usec ? 0 : 1);
4065 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4066}
4067
4068static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4069 u16 tx_usec, u16 rx_usec)
4070{
4071 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4072 false, rx_usec);
4073 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4074 false, tx_usec);
4075}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004076
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004077static void bnx2x_init_def_sb(struct bnx2x *bp)
4078{
4079 struct host_sp_status_block *def_sb = bp->def_status_blk;
4080 dma_addr_t mapping = bp->def_status_blk_mapping;
4081 int igu_sp_sb_index;
4082 int igu_seg_id;
4083 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004084 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004085 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004086 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004087 int index;
4088 struct hc_sp_status_block_data sp_sb_data;
4089 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4090
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004091 if (CHIP_INT_MODE_IS_BC(bp)) {
4092 igu_sp_sb_index = DEF_SB_IGU_ID;
4093 igu_seg_id = HC_SEG_ACCESS_DEF;
4094 } else {
4095 igu_sp_sb_index = bp->igu_dsb_id;
4096 igu_seg_id = IGU_SEG_ACCESS_DEF;
4097 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004098
4099 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004100 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004101 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004102 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004103
Eliezer Tamir49d66772008-02-28 11:53:13 -08004104 bp->attn_state = 0;
4105
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004106 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4107 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004108 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004109 int sindex;
4110 /* take care of sig[0]..sig[4] */
4111 for (sindex = 0; sindex < 4; sindex++)
4112 bp->attn_group[index].sig[sindex] =
4113 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004114
4115 if (CHIP_IS_E2(bp))
4116 /*
4117 * enable5 is separate from the rest of the registers,
4118 * and therefore the address skip is 4
4119 * and not 16 between the different groups
4120 */
4121 bp->attn_group[index].sig[4] = REG_RD(bp,
4122 reg_offset + 0x10 + 0x4*index);
4123 else
4124 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004125 }
4126
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004127 if (bp->common.int_block == INT_BLOCK_HC) {
4128 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4129 HC_REG_ATTN_MSG0_ADDR_L);
4130
4131 REG_WR(bp, reg_offset, U64_LO(section));
4132 REG_WR(bp, reg_offset + 4, U64_HI(section));
4133 } else if (CHIP_IS_E2(bp)) {
4134 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4135 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4136 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004137
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004138 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4139 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004140
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004141 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004142
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004143 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4144 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4145 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4146 sp_sb_data.igu_seg_id = igu_seg_id;
4147 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004148 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004149 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004150
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004151 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004152
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004153 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004154 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004155
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004156 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004157}
4158
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004159void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004160{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004161 int i;
4162
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004163 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004164 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07004165 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004166}
4167
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004168static void bnx2x_init_sp_ring(struct bnx2x *bp)
4169{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004170 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004171 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004172
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004173 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004174 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4175 bp->spq_prod_bd = bp->spq;
4176 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004177}
4178
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004179static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004180{
4181 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004182 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4183 union event_ring_elem *elem =
4184 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004185
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004186 elem->next_page.addr.hi =
4187 cpu_to_le32(U64_HI(bp->eq_mapping +
4188 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4189 elem->next_page.addr.lo =
4190 cpu_to_le32(U64_LO(bp->eq_mapping +
4191 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004192 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004193 bp->eq_cons = 0;
4194 bp->eq_prod = NUM_EQ_DESC;
4195 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004196 /* we want a warning message before it gets rought... */
4197 atomic_set(&bp->eq_spq_left,
4198 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004199}
4200
Tom Herbertab532cf2011-02-16 10:27:02 +00004201void bnx2x_push_indir_table(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004202{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004203 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004204 int i;
4205
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004206 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004207 return;
4208
4209 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004210 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004211 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Tom Herbertab532cf2011-02-16 10:27:02 +00004212 bp->fp->cl_id + bp->rx_indir_table[i]);
4213}
4214
4215static void bnx2x_init_ind_table(struct bnx2x *bp)
4216{
4217 int i;
4218
4219 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4220 bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);
4221
4222 bnx2x_push_indir_table(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004223}
4224
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004225void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004226{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004227 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004228 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004229 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004230 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004231
Eilon Greenstein581ce432009-07-29 00:20:04 +00004232 /* All but management unicast packets should pass to the host as well */
4233 u32 llh_mask =
4234 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4235 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4236 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4237 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004238
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004239 switch (mode) {
4240 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004241 def_q_filters = BNX2X_ACCEPT_NONE;
4242#ifdef BCM_CNIC
4243 if (!NO_FCOE(bp)) {
4244 cl_id = bnx2x_fcoe(bp, cl_id);
4245 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4246 }
4247#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004248 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004249
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004250 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004251 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4252 BNX2X_ACCEPT_MULTICAST;
4253#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004254 if (!NO_FCOE(bp)) {
4255 cl_id = bnx2x_fcoe(bp, cl_id);
4256 bnx2x_rxq_set_mac_filters(bp, cl_id,
4257 BNX2X_ACCEPT_UNICAST |
4258 BNX2X_ACCEPT_MULTICAST);
4259 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004260#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004261 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004262
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004263 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004264 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4265 BNX2X_ACCEPT_ALL_MULTICAST;
4266#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004267 /*
4268 * Prevent duplication of multicast packets by configuring FCoE
4269 * L2 Client to receive only matched unicast frames.
4270 */
4271 if (!NO_FCOE(bp)) {
4272 cl_id = bnx2x_fcoe(bp, cl_id);
4273 bnx2x_rxq_set_mac_filters(bp, cl_id,
4274 BNX2X_ACCEPT_UNICAST);
4275 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004276#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004277 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004278
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004279 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004280 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4281#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004282 /*
4283 * Prevent packets duplication by configuring DROP_ALL for FCoE
4284 * L2 Client.
4285 */
4286 if (!NO_FCOE(bp)) {
4287 cl_id = bnx2x_fcoe(bp, cl_id);
4288 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4289 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004290#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004291 /* pass management unicast packets as well */
4292 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004293 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004294
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004295 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004296 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4297 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004298 }
4299
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004300 cl_id = BP_L_ID(bp);
4301 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4302
Eilon Greenstein581ce432009-07-29 00:20:04 +00004303 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004304 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4305 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004306
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004307 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4308 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004309 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4310 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004311 bp->mac_filters.ucast_drop_all,
4312 bp->mac_filters.mcast_drop_all,
4313 bp->mac_filters.bcast_drop_all,
4314 bp->mac_filters.ucast_accept_all,
4315 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004316 bp->mac_filters.bcast_accept_all,
4317 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004318 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004319
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004320 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004321}
4322
Eilon Greenstein471de712008-08-13 15:49:35 -07004323static void bnx2x_init_internal_common(struct bnx2x *bp)
4324{
4325 int i;
4326
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004327 if (!CHIP_IS_E1(bp)) {
4328
4329 /* xstorm needs to know whether to add ovlan to packets or not,
4330 * in switch-independent we'll write 0 to here... */
4331 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004332 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004333 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004334 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004335 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004336 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004337 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004338 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004339 }
4340
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004341 if (IS_MF_SI(bp))
4342 /*
4343 * In switch independent mode, the TSTORM needs to accept
4344 * packets that failed classification, since approximate match
4345 * mac addresses aren't written to NIG LLH
4346 */
4347 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4348 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4349
Eilon Greenstein471de712008-08-13 15:49:35 -07004350 /* Zero this manually as its initialization is
4351 currently missing in the initTool */
4352 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4353 REG_WR(bp, BAR_USTRORM_INTMEM +
4354 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004355 if (CHIP_IS_E2(bp)) {
4356 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4357 CHIP_INT_MODE_IS_BC(bp) ?
4358 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4359 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004360}
4361
4362static void bnx2x_init_internal_port(struct bnx2x *bp)
4363{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004364 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004365 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004366}
4367
Eilon Greenstein471de712008-08-13 15:49:35 -07004368static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4369{
4370 switch (load_code) {
4371 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004372 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004373 bnx2x_init_internal_common(bp);
4374 /* no break */
4375
4376 case FW_MSG_CODE_DRV_LOAD_PORT:
4377 bnx2x_init_internal_port(bp);
4378 /* no break */
4379
4380 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004381 /* internal memory per function is
4382 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004383 break;
4384
4385 default:
4386 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4387 break;
4388 }
4389}
4390
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004391static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4392{
4393 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4394
4395 fp->state = BNX2X_FP_STATE_CLOSED;
4396
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004397 fp->cid = fp_idx;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004398 fp->cl_id = BP_L_ID(bp) + fp_idx;
4399 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4400 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4401 /* qZone id equals to FW (per path) client id */
4402 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004403 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4404 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004405 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004406 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4407 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004408 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4409 /* Setup SB indicies */
4410 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4411 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4412
4413 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4414 "cl_id %d fw_sb %d igu_sb %d\n",
4415 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4416 fp->igu_sb_id);
4417 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4418 fp->fw_sb_id, fp->igu_sb_id);
4419
4420 bnx2x_update_fpsb_idx(fp);
4421}
4422
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004423void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004424{
4425 int i;
4426
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004427 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004428 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004429#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004430 if (!NO_FCOE(bp))
4431 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004432
4433 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4434 BNX2X_VF_ID_INVALID, false,
4435 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4436
Michael Chan37b091b2009-10-10 13:46:55 +00004437#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004438
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004439 /* Initialize MOD_ABS interrupts */
4440 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
4441 bp->common.shmem_base, bp->common.shmem2_base,
4442 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00004443 /* ensure status block indices were read */
4444 rmb();
4445
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004446 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004447 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004448 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004449 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004450 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004451 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004452 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004453 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004454 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004455 bnx2x_stats_init(bp);
4456
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004457 /* flush all before enabling interrupts */
4458 mb();
4459 mmiowb();
4460
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004461 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004462
4463 /* Check for SPIO5 */
4464 bnx2x_attn_int_deasserted0(bp,
4465 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4466 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004467}
4468
4469/* end of nic init */
4470
4471/*
4472 * gzip service functions
4473 */
4474
4475static int bnx2x_gunzip_init(struct bnx2x *bp)
4476{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004477 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4478 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004479 if (bp->gunzip_buf == NULL)
4480 goto gunzip_nomem1;
4481
4482 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4483 if (bp->strm == NULL)
4484 goto gunzip_nomem2;
4485
4486 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4487 GFP_KERNEL);
4488 if (bp->strm->workspace == NULL)
4489 goto gunzip_nomem3;
4490
4491 return 0;
4492
4493gunzip_nomem3:
4494 kfree(bp->strm);
4495 bp->strm = NULL;
4496
4497gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004498 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4499 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004500 bp->gunzip_buf = NULL;
4501
4502gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004503 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4504 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004505 return -ENOMEM;
4506}
4507
4508static void bnx2x_gunzip_end(struct bnx2x *bp)
4509{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004510 if (bp->strm) {
4511 kfree(bp->strm->workspace);
4512 kfree(bp->strm);
4513 bp->strm = NULL;
4514 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004515
4516 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004517 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4518 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004519 bp->gunzip_buf = NULL;
4520 }
4521}
4522
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004523static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004524{
4525 int n, rc;
4526
4527 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004528 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4529 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004530 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004531 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004532
4533 n = 10;
4534
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004535#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004536
4537 if (zbuf[3] & FNAME)
4538 while ((zbuf[n++] != 0) && (n < len));
4539
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004540 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004541 bp->strm->avail_in = len - n;
4542 bp->strm->next_out = bp->gunzip_buf;
4543 bp->strm->avail_out = FW_BUF_SIZE;
4544
4545 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4546 if (rc != Z_OK)
4547 return rc;
4548
4549 rc = zlib_inflate(bp->strm, Z_FINISH);
4550 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004551 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4552 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004553
4554 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4555 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004556 netdev_err(bp->dev, "Firmware decompression error:"
4557 " gunzip_outlen (%d) not aligned\n",
4558 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004559 bp->gunzip_outlen >>= 2;
4560
4561 zlib_inflateEnd(bp->strm);
4562
4563 if (rc == Z_STREAM_END)
4564 return 0;
4565
4566 return rc;
4567}
4568
4569/* nic load/unload */
4570
4571/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004572 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004573 */
4574
4575/* send a NIG loopback debug packet */
4576static void bnx2x_lb_pckt(struct bnx2x *bp)
4577{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004578 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004579
4580 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004581 wb_write[0] = 0x55555555;
4582 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004583 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004584 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004585
4586 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004587 wb_write[0] = 0x09000000;
4588 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004589 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004590 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004591}
4592
4593/* some of the internal memories
4594 * are not directly readable from the driver
4595 * to test them we send debug packets
4596 */
4597static int bnx2x_int_mem_test(struct bnx2x *bp)
4598{
4599 int factor;
4600 int count, i;
4601 u32 val = 0;
4602
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004603 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004604 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004605 else if (CHIP_REV_IS_EMUL(bp))
4606 factor = 200;
4607 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004608 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004609
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004610 /* Disable inputs of parser neighbor blocks */
4611 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4612 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4613 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004614 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004615
4616 /* Write 0 to parser credits for CFC search request */
4617 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4618
4619 /* send Ethernet packet */
4620 bnx2x_lb_pckt(bp);
4621
4622 /* TODO do i reset NIG statistic? */
4623 /* Wait until NIG register shows 1 packet of size 0x10 */
4624 count = 1000 * factor;
4625 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004626
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004627 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4628 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004629 if (val == 0x10)
4630 break;
4631
4632 msleep(10);
4633 count--;
4634 }
4635 if (val != 0x10) {
4636 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4637 return -1;
4638 }
4639
4640 /* Wait until PRS register shows 1 packet */
4641 count = 1000 * factor;
4642 while (count) {
4643 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004644 if (val == 1)
4645 break;
4646
4647 msleep(10);
4648 count--;
4649 }
4650 if (val != 0x1) {
4651 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4652 return -2;
4653 }
4654
4655 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004656 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004657 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004658 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004659 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004660 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4661 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004662
4663 DP(NETIF_MSG_HW, "part2\n");
4664
4665 /* Disable inputs of parser neighbor blocks */
4666 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4667 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4668 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004669 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004670
4671 /* Write 0 to parser credits for CFC search request */
4672 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4673
4674 /* send 10 Ethernet packets */
4675 for (i = 0; i < 10; i++)
4676 bnx2x_lb_pckt(bp);
4677
4678 /* Wait until NIG register shows 10 + 1
4679 packets of size 11*0x10 = 0xb0 */
4680 count = 1000 * factor;
4681 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004682
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004683 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4684 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004685 if (val == 0xb0)
4686 break;
4687
4688 msleep(10);
4689 count--;
4690 }
4691 if (val != 0xb0) {
4692 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4693 return -3;
4694 }
4695
4696 /* Wait until PRS register shows 2 packets */
4697 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4698 if (val != 2)
4699 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4700
4701 /* Write 1 to parser credits for CFC search request */
4702 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4703
4704 /* Wait until PRS register shows 3 packets */
4705 msleep(10 * factor);
4706 /* Wait until NIG register shows 1 packet of size 0x10 */
4707 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4708 if (val != 3)
4709 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4710
4711 /* clear NIG EOP FIFO */
4712 for (i = 0; i < 11; i++)
4713 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4714 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4715 if (val != 1) {
4716 BNX2X_ERR("clear of NIG failed\n");
4717 return -4;
4718 }
4719
4720 /* Reset and init BRB, PRS, NIG */
4721 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4722 msleep(50);
4723 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4724 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004725 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4726 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004727#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004728 /* set NIC mode */
4729 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4730#endif
4731
4732 /* Enable inputs of parser neighbor blocks */
4733 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4734 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4735 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004736 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004737
4738 DP(NETIF_MSG_HW, "done\n");
4739
4740 return 0; /* OK */
4741}
4742
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004743static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004744{
4745 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004746 if (CHIP_IS_E2(bp))
4747 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4748 else
4749 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004750 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4751 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004752 /*
4753 * mask read length error interrupts in brb for parser
4754 * (parsing unit and 'checksum and crc' unit)
4755 * these errors are legal (PU reads fixed length and CAC can cause
4756 * read length error on truncated packets)
4757 */
4758 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004759 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4760 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4761 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4762 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4763 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004764/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4765/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004766 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4767 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4768 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004769/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4770/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004771 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4772 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4773 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4774 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004775/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4776/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004777
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004778 if (CHIP_REV_IS_FPGA(bp))
4779 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004780 else if (CHIP_IS_E2(bp))
4781 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4782 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4783 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4784 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4785 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4786 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004787 else
4788 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004789 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4790 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4791 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004792/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4793/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004794 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4795 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004796/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004797 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004798}
4799
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004800static void bnx2x_reset_common(struct bnx2x *bp)
4801{
4802 /* reset_common */
4803 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4804 0xd3ffff7f);
4805 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4806}
4807
Eilon Greenstein573f2032009-08-12 08:24:14 +00004808static void bnx2x_init_pxp(struct bnx2x *bp)
4809{
4810 u16 devctl;
4811 int r_order, w_order;
4812
4813 pci_read_config_word(bp->pdev,
4814 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4815 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4816 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4817 if (bp->mrrs == -1)
4818 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4819 else {
4820 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4821 r_order = bp->mrrs;
4822 }
4823
4824 bnx2x_init_pxp_arb(bp, r_order, w_order);
4825}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004826
4827static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4828{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004829 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004830 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004831 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004832
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004833 if (BP_NOMCP(bp))
4834 return;
4835
4836 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004837 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4838 SHARED_HW_CFG_FAN_FAILURE_MASK;
4839
4840 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4841 is_required = 1;
4842
4843 /*
4844 * The fan failure mechanism is usually related to the PHY type since
4845 * the power consumption of the board is affected by the PHY. Currently,
4846 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4847 */
4848 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4849 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004850 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004851 bnx2x_fan_failure_det_req(
4852 bp,
4853 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004854 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004855 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004856 }
4857
4858 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4859
4860 if (is_required == 0)
4861 return;
4862
4863 /* Fan failure is indicated by SPIO 5 */
4864 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4865 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4866
4867 /* set to active low mode */
4868 val = REG_RD(bp, MISC_REG_SPIO_INT);
4869 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004870 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004871 REG_WR(bp, MISC_REG_SPIO_INT, val);
4872
4873 /* enable interrupt to signal the IGU */
4874 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4875 val |= (1 << MISC_REGISTERS_SPIO_5);
4876 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4877}
4878
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004879static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4880{
4881 u32 offset = 0;
4882
4883 if (CHIP_IS_E1(bp))
4884 return;
4885 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4886 return;
4887
4888 switch (BP_ABS_FUNC(bp)) {
4889 case 0:
4890 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4891 break;
4892 case 1:
4893 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4894 break;
4895 case 2:
4896 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4897 break;
4898 case 3:
4899 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4900 break;
4901 case 4:
4902 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4903 break;
4904 case 5:
4905 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4906 break;
4907 case 6:
4908 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4909 break;
4910 case 7:
4911 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4912 break;
4913 default:
4914 return;
4915 }
4916
4917 REG_WR(bp, offset, pretend_func_num);
4918 REG_RD(bp, offset);
4919 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4920}
4921
4922static void bnx2x_pf_disable(struct bnx2x *bp)
4923{
4924 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4925 val &= ~IGU_PF_CONF_FUNC_EN;
4926
4927 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4928 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4929 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4930}
4931
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004932static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004933{
4934 u32 val, i;
4935
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004936 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004937
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004938 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004939 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4940 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4941
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004942 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004943 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004944 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004945
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004946 if (CHIP_IS_E2(bp)) {
4947 u8 fid;
4948
4949 /**
4950 * 4-port mode or 2-port mode we need to turn of master-enable
4951 * for everyone, after that, turn it back on for self.
4952 * so, we disregard multi-function or not, and always disable
4953 * for all functions on the given path, this means 0,2,4,6 for
4954 * path 0 and 1,3,5,7 for path 1
4955 */
4956 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
4957 if (fid == BP_ABS_FUNC(bp)) {
4958 REG_WR(bp,
4959 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
4960 1);
4961 continue;
4962 }
4963
4964 bnx2x_pretend_func(bp, fid);
4965 /* clear pf enable */
4966 bnx2x_pf_disable(bp);
4967 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
4968 }
4969 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004970
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004971 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004972 if (CHIP_IS_E1(bp)) {
4973 /* enable HW interrupt from PXP on USDM overflow
4974 bit 16 on INT_MASK_0 */
4975 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004976 }
4977
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004978 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004979 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004980
4981#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004982 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
4983 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
4984 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
4985 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
4986 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00004987 /* make sure this value is 0 */
4988 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004989
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004990/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
4991 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
4992 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
4993 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
4994 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004995#endif
4996
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004997 bnx2x_ilt_init_page_size(bp, INITOP_SET);
4998
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004999 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5000 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005001
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005002 /* let the HW do it's magic ... */
5003 msleep(100);
5004 /* finish PXP init */
5005 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5006 if (val != 1) {
5007 BNX2X_ERR("PXP2 CFG failed\n");
5008 return -EBUSY;
5009 }
5010 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5011 if (val != 1) {
5012 BNX2X_ERR("PXP2 RD_INIT failed\n");
5013 return -EBUSY;
5014 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005015
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005016 /* Timers bug workaround E2 only. We need to set the entire ILT to
5017 * have entries with value "0" and valid bit on.
5018 * This needs to be done by the first PF that is loaded in a path
5019 * (i.e. common phase)
5020 */
5021 if (CHIP_IS_E2(bp)) {
5022 struct ilt_client_info ilt_cli;
5023 struct bnx2x_ilt ilt;
5024 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5025 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5026
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005027 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005028 ilt_cli.start = 0;
5029 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5030 ilt_cli.client_num = ILT_CLIENT_TM;
5031
5032 /* Step 1: set zeroes to all ilt page entries with valid bit on
5033 * Step 2: set the timers first/last ilt entry to point
5034 * to the entire range to prevent ILT range error for 3rd/4th
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005035 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005036 *
5037 * both steps performed by call to bnx2x_ilt_client_init_op()
5038 * with dummy TM client
5039 *
5040 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5041 * and his brother are split registers
5042 */
5043 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5044 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5045 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5046
5047 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5048 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5049 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5050 }
5051
5052
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005053 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5054 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005055
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005056 if (CHIP_IS_E2(bp)) {
5057 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5058 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5059 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5060
5061 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5062
5063 /* let the HW do it's magic ... */
5064 do {
5065 msleep(200);
5066 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5067 } while (factor-- && (val != 1));
5068
5069 if (val != 1) {
5070 BNX2X_ERR("ATC_INIT failed\n");
5071 return -EBUSY;
5072 }
5073 }
5074
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005075 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005076
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005077 /* clean the DMAE memory */
5078 bp->dmae_ready = 1;
5079 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005080
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005081 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5082 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5083 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5084 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005085
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005086 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5087 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5088 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5089 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5090
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005091 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005092
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005093 if (CHIP_MODE_IS_4_PORT(bp))
5094 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005095
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005096 /* QM queues pointers table */
5097 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005098
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005099 /* soft reset pulse */
5100 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5101 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005102
Michael Chan37b091b2009-10-10 13:46:55 +00005103#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005104 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005105#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005106
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005107 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005108 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5109
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005110 if (!CHIP_REV_IS_SLOW(bp)) {
5111 /* enable hw interrupt from doorbell Q */
5112 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5113 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005114
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005115 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005116 if (CHIP_MODE_IS_4_PORT(bp)) {
5117 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5118 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5119 }
5120
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005121 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005122 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005123#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005124 /* set NIC mode */
5125 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005126#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005127 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005128 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005129
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005130 if (CHIP_IS_E2(bp)) {
5131 /* Bit-map indicating which L2 hdrs may appear after the
5132 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005133 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005134 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5135 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5136 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005137
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005138 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5139 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5140 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5141 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005142
Eilon Greensteinca003922009-08-12 22:53:28 -07005143 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5144 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5145 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5146 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005147
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005148 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5149 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5150 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5151 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005152
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005153 if (CHIP_MODE_IS_4_PORT(bp))
5154 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5155
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005156 /* sync semi rtc */
5157 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5158 0x80000000);
5159 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5160 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005161
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005162 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5163 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5164 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005165
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005166 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005167 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005168 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5169 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5170 }
5171
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005172 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005173 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5174 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005175
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005176 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005177#ifdef BCM_CNIC
5178 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5179 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5180 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5181 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5182 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5183 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5184 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5185 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5186 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5187 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5188#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005189 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005190
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005191 if (sizeof(union cdu_context) != 1024)
5192 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005193 dev_alert(&bp->pdev->dev, "please adjust the size "
5194 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005195 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005196
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005197 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005198 val = (4 << 24) + (0 << 12) + 1024;
5199 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005200
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005201 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005202 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005203 /* enable context validation interrupt from CFC */
5204 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5205
5206 /* set the thresholds to prevent CFC/CDU race */
5207 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005208
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005209 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005210
5211 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5212 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5213
5214 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005215 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005216
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005217 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005218 /* Reset PCIE errors for debug */
5219 REG_WR(bp, 0x2814, 0xffffffff);
5220 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005221
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005222 if (CHIP_IS_E2(bp)) {
5223 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5224 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5225 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5226 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5227 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5228 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5229 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5230 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5231 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5232 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5233 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5234 }
5235
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005236 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005237 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005238 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005239 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005240
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005241 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005242 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005243 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005244 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005245 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005246 if (CHIP_IS_E2(bp)) {
5247 /* Bit-map indicating which L2 hdrs may appear after the
5248 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005249 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005250 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005251
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005252 if (CHIP_REV_IS_SLOW(bp))
5253 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005254
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005255 /* finish CFC init */
5256 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5257 if (val != 1) {
5258 BNX2X_ERR("CFC LL_INIT failed\n");
5259 return -EBUSY;
5260 }
5261 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5262 if (val != 1) {
5263 BNX2X_ERR("CFC AC_INIT failed\n");
5264 return -EBUSY;
5265 }
5266 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5267 if (val != 1) {
5268 BNX2X_ERR("CFC CAM_INIT failed\n");
5269 return -EBUSY;
5270 }
5271 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005272
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005273 if (CHIP_IS_E1(bp)) {
5274 /* read NIG statistic
5275 to see if this is our first up since powerup */
5276 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5277 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005278
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005279 /* do internal memory self test */
5280 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5281 BNX2X_ERR("internal mem self test failed\n");
5282 return -EBUSY;
5283 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005284 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005285
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005286 bnx2x_setup_fan_failure_detection(bp);
5287
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005288 /* clear PXP2 attentions */
5289 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005290
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005291 bnx2x_enable_blocks_attention(bp);
5292 if (CHIP_PARITY_ENABLED(bp))
5293 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005294
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005295 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005296 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5297 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5298 CHIP_IS_E1x(bp)) {
5299 u32 shmem_base[2], shmem2_base[2];
5300 shmem_base[0] = bp->common.shmem_base;
5301 shmem2_base[0] = bp->common.shmem2_base;
5302 if (CHIP_IS_E2(bp)) {
5303 shmem_base[1] =
5304 SHMEM2_RD(bp, other_shmem_base_addr);
5305 shmem2_base[1] =
5306 SHMEM2_RD(bp, other_shmem2_base_addr);
5307 }
5308 bnx2x_acquire_phy_lock(bp);
5309 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5310 bp->common.chip_id);
5311 bnx2x_release_phy_lock(bp);
5312 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005313 } else
5314 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5315
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005316 return 0;
5317}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005318
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005319static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005320{
5321 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005322 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005323 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005324 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005325
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005326 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005327
5328 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005329
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005330 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005331 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005332
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005333 /* Timers bug workaround: disables the pf_master bit in pglue at
5334 * common phase, we need to enable it here before any dmae access are
5335 * attempted. Therefore we manually added the enable-master to the
5336 * port phase (it also happens in the function phase)
5337 */
5338 if (CHIP_IS_E2(bp))
5339 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5340
Eilon Greensteinca003922009-08-12 22:53:28 -07005341 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5342 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5343 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005344 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005345
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005346 /* QM cid (connection) count */
5347 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005348
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005349#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005350 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005351 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5352 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005353#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005354
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005355 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005356
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005357 if (CHIP_MODE_IS_4_PORT(bp))
5358 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005359
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005360 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5361 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5362 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5363 /* no pause for emulation and FPGA */
5364 low = 0;
5365 high = 513;
5366 } else {
5367 if (IS_MF(bp))
5368 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5369 else if (bp->dev->mtu > 4096) {
5370 if (bp->flags & ONE_PORT_FLAG)
5371 low = 160;
5372 else {
5373 val = bp->dev->mtu;
5374 /* (24*1024 + val*4)/256 */
5375 low = 96 + (val/64) +
5376 ((val % 64) ? 1 : 0);
5377 }
5378 } else
5379 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5380 high = low + 56; /* 14*1024/256 */
5381 }
5382 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5383 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5384 }
5385
5386 if (CHIP_MODE_IS_4_PORT(bp)) {
5387 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5388 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5389 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5390 BRB1_REG_MAC_GUARANTIED_0), 40);
5391 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005392
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005393 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005394
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005395 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005396 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005397 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005398 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005399
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005400 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5401 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5402 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5403 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005404 if (CHIP_MODE_IS_4_PORT(bp))
5405 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005406
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005407 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005408 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005409
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005410 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005411
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005412 if (!CHIP_IS_E2(bp)) {
5413 /* configure PBF to work without PAUSE mtu 9000 */
5414 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005415
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005416 /* update threshold */
5417 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5418 /* update init credit */
5419 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005420
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005421 /* probe changes */
5422 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5423 udelay(50);
5424 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5425 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005426
Michael Chan37b091b2009-10-10 13:46:55 +00005427#ifdef BCM_CNIC
5428 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005429#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005430 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005431 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005432
5433 if (CHIP_IS_E1(bp)) {
5434 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5435 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5436 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005437 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005438
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005439 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5440
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005441 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005442 /* init aeu_mask_attn_func_0/1:
5443 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5444 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5445 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005446 val = IS_MF(bp) ? 0xF7 : 0x7;
5447 /* Enable DCBX attention for all but E1 */
5448 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5449 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005450
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005451 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005452 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005453 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005454 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005455 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005456
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005457 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005458
5459 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5460
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005461 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005462 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005463 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005464 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005465
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005466 if (CHIP_IS_E2(bp)) {
5467 val = 0;
5468 switch (bp->mf_mode) {
5469 case MULTI_FUNCTION_SD:
5470 val = 1;
5471 break;
5472 case MULTI_FUNCTION_SI:
5473 val = 2;
5474 break;
5475 }
5476
5477 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5478 NIG_REG_LLH0_CLS_TYPE), val);
5479 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005480 {
5481 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5482 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5483 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5484 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005485 }
5486
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005487 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005488 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005489 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005490 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005491 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5492 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5493 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005494 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005495 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005496 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005497 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005498
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005499 return 0;
5500}
5501
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005502static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5503{
5504 int reg;
5505
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005506 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005507 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005508 else
5509 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005510
5511 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5512}
5513
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005514static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5515{
5516 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5517}
5518
5519static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5520{
5521 u32 i, base = FUNC_ILT_BASE(func);
5522 for (i = base; i < base + ILT_PER_FUNC; i++)
5523 bnx2x_ilt_wr(bp, i, 0);
5524}
5525
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005526static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005527{
5528 int port = BP_PORT(bp);
5529 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005530 struct bnx2x_ilt *ilt = BP_ILT(bp);
5531 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005532 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005533 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5534 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005535
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005536 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005537
Eilon Greenstein8badd272009-02-12 08:36:15 +00005538 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005539 if (bp->common.int_block == INT_BLOCK_HC) {
5540 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5541 val = REG_RD(bp, addr);
5542 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5543 REG_WR(bp, addr, val);
5544 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005545
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005546 ilt = BP_ILT(bp);
5547 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005548
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005549 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5550 ilt->lines[cdu_ilt_start + i].page =
5551 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5552 ilt->lines[cdu_ilt_start + i].page_mapping =
5553 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5554 /* cdu ilt pages are allocated manually so there's no need to
5555 set the size */
5556 }
5557 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005558
Michael Chan37b091b2009-10-10 13:46:55 +00005559#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005560 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005561
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005562 /* T1 hash bits value determines the T1 number of entries */
5563 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005564#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005565
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005566#ifndef BCM_CNIC
5567 /* set NIC mode */
5568 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5569#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005570
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005571 if (CHIP_IS_E2(bp)) {
5572 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5573
5574 /* Turn on a single ISR mode in IGU if driver is going to use
5575 * INT#x or MSI
5576 */
5577 if (!(bp->flags & USING_MSIX_FLAG))
5578 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5579 /*
5580 * Timers workaround bug: function init part.
5581 * Need to wait 20msec after initializing ILT,
5582 * needed to make sure there are no requests in
5583 * one of the PXP internal queues with "old" ILT addresses
5584 */
5585 msleep(20);
5586 /*
5587 * Master enable - Due to WB DMAE writes performed before this
5588 * register is re-initialized as part of the regular function
5589 * init
5590 */
5591 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5592 /* Enable the function in IGU */
5593 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5594 }
5595
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005596 bp->dmae_ready = 1;
5597
5598 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5599
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005600 if (CHIP_IS_E2(bp))
5601 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5602
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005603 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5604 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5605 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5606 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5607 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5608 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5609 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5610 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5611 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5612
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005613 if (CHIP_IS_E2(bp)) {
5614 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5615 BP_PATH(bp));
5616 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5617 BP_PATH(bp));
5618 }
5619
5620 if (CHIP_MODE_IS_4_PORT(bp))
5621 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5622
5623 if (CHIP_IS_E2(bp))
5624 REG_WR(bp, QM_REG_PF_EN, 1);
5625
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005626 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005627
5628 if (CHIP_MODE_IS_4_PORT(bp))
5629 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5630
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005631 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5632 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5633 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5634 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5635 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5636 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5637 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5638 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5639 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5640 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5641 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005642 if (CHIP_IS_E2(bp))
5643 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5644
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005645 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5646
5647 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5648
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005649 if (CHIP_IS_E2(bp))
5650 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5651
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005652 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005653 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005654 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005655 }
5656
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005657 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5658
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005659 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005660 if (bp->common.int_block == INT_BLOCK_HC) {
5661 if (CHIP_IS_E1H(bp)) {
5662 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5663
5664 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5665 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5666 }
5667 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5668
5669 } else {
5670 int num_segs, sb_idx, prod_offset;
5671
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005672 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5673
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005674 if (CHIP_IS_E2(bp)) {
5675 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5676 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5677 }
5678
5679 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5680
5681 if (CHIP_IS_E2(bp)) {
5682 int dsb_idx = 0;
5683 /**
5684 * Producer memory:
5685 * E2 mode: address 0-135 match to the mapping memory;
5686 * 136 - PF0 default prod; 137 - PF1 default prod;
5687 * 138 - PF2 default prod; 139 - PF3 default prod;
5688 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5689 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5690 * 144-147 reserved.
5691 *
5692 * E1.5 mode - In backward compatible mode;
5693 * for non default SB; each even line in the memory
5694 * holds the U producer and each odd line hold
5695 * the C producer. The first 128 producers are for
5696 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5697 * producers are for the DSB for each PF.
5698 * Each PF has five segments: (the order inside each
5699 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5700 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5701 * 144-147 attn prods;
5702 */
5703 /* non-default-status-blocks */
5704 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5705 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5706 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5707 prod_offset = (bp->igu_base_sb + sb_idx) *
5708 num_segs;
5709
5710 for (i = 0; i < num_segs; i++) {
5711 addr = IGU_REG_PROD_CONS_MEMORY +
5712 (prod_offset + i) * 4;
5713 REG_WR(bp, addr, 0);
5714 }
5715 /* send consumer update with value 0 */
5716 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5717 USTORM_ID, 0, IGU_INT_NOP, 1);
5718 bnx2x_igu_clear_sb(bp,
5719 bp->igu_base_sb + sb_idx);
5720 }
5721
5722 /* default-status-blocks */
5723 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5724 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5725
5726 if (CHIP_MODE_IS_4_PORT(bp))
5727 dsb_idx = BP_FUNC(bp);
5728 else
5729 dsb_idx = BP_E1HVN(bp);
5730
5731 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5732 IGU_BC_BASE_DSB_PROD + dsb_idx :
5733 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5734
5735 for (i = 0; i < (num_segs * E1HVN_MAX);
5736 i += E1HVN_MAX) {
5737 addr = IGU_REG_PROD_CONS_MEMORY +
5738 (prod_offset + i)*4;
5739 REG_WR(bp, addr, 0);
5740 }
5741 /* send consumer update with 0 */
5742 if (CHIP_INT_MODE_IS_BC(bp)) {
5743 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5744 USTORM_ID, 0, IGU_INT_NOP, 1);
5745 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5746 CSTORM_ID, 0, IGU_INT_NOP, 1);
5747 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5748 XSTORM_ID, 0, IGU_INT_NOP, 1);
5749 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5750 TSTORM_ID, 0, IGU_INT_NOP, 1);
5751 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5752 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5753 } else {
5754 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5755 USTORM_ID, 0, IGU_INT_NOP, 1);
5756 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5757 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5758 }
5759 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5760
5761 /* !!! these should become driver const once
5762 rf-tool supports split-68 const */
5763 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5764 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5765 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5766 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5767 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5768 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5769 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005770 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005771
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005772 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005773 REG_WR(bp, 0x2114, 0xffffffff);
5774 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005775
5776 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5777 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5778 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5779 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5780 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5781 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5782
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005783 if (CHIP_IS_E1x(bp)) {
5784 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5785 main_mem_base = HC_REG_MAIN_MEMORY +
5786 BP_PORT(bp) * (main_mem_size * 4);
5787 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5788 main_mem_width = 8;
5789
5790 val = REG_RD(bp, main_mem_prty_clr);
5791 if (val)
5792 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5793 "block during "
5794 "function init (0x%x)!\n", val);
5795
5796 /* Clear "false" parity errors in MSI-X table */
5797 for (i = main_mem_base;
5798 i < main_mem_base + main_mem_size * 4;
5799 i += main_mem_width) {
5800 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5801 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5802 i, main_mem_width / 4);
5803 }
5804 /* Clear HC parity attention */
5805 REG_RD(bp, main_mem_prty_clr);
5806 }
5807
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005808 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005809
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005810 return 0;
5811}
5812
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005813int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005814{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005815 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005816
5817 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005818 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005819
5820 bp->dmae_ready = 0;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005821 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005822
5823 switch (load_code) {
5824 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005825 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005826 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005827 if (rc)
5828 goto init_hw_err;
5829 /* no break */
5830
5831 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005832 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005833 if (rc)
5834 goto init_hw_err;
5835 /* no break */
5836
5837 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005838 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005839 if (rc)
5840 goto init_hw_err;
5841 break;
5842
5843 default:
5844 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5845 break;
5846 }
5847
5848 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005849 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005850
5851 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005852 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005853 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005854 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5855 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005856
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005857init_hw_err:
5858 bnx2x_gunzip_end(bp);
5859
5860 return rc;
5861}
5862
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005863void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005864{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005865 bnx2x_gunzip_end(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005866
5867 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005868 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005869 /* end of fastpath */
5870
5871 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005872 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005873
5874 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005875 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005876
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005877 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5878 bp->context.size);
5879
5880 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5881
5882 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005883
Michael Chan37b091b2009-10-10 13:46:55 +00005884#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005885 if (CHIP_IS_E2(bp))
5886 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5887 sizeof(struct host_hc_status_block_e2));
5888 else
5889 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5890 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005891
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005892 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005893#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005894
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005895 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005896
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005897 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5898 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5899
Tom Herbertab532cf2011-02-16 10:27:02 +00005900 BNX2X_FREE(bp->rx_indir_table);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005901}
5902
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005903
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005904int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005905{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005906 if (bnx2x_gunzip_init(bp))
5907 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005908
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005909#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005910 if (CHIP_IS_E2(bp))
5911 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
5912 sizeof(struct host_hc_status_block_e2));
5913 else
5914 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
5915 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005916
5917 /* allocate searcher T2 table */
5918 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
5919#endif
5920
5921
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005922 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005923 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005924
5925 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5926 sizeof(struct bnx2x_slowpath));
5927
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005928 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005929
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005930 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
5931 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005932
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005933 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005934
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005935 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
5936 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005937
5938 /* Slow path ring */
5939 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5940
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005941 /* EQ */
5942 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
5943 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00005944
5945 BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
5946 TSTORM_INDIRECTION_TABLE_SIZE);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005947
5948 /* fastpath */
5949 /* need to be done at the end, since it's self adjusting to amount
5950 * of memory available for RSS queues
5951 */
5952 if (bnx2x_alloc_fp_mem(bp))
5953 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005954 return 0;
5955
5956alloc_mem_err:
5957 bnx2x_free_mem(bp);
5958 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005959}
5960
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005961/*
5962 * Init service functions
5963 */
stephen hemminger8d962862010-10-21 07:50:56 +00005964static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
5965 int *state_p, int flags);
5966
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005967int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005968{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005969 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005970
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005971 /* Wait for completion */
5972 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
5973 WAIT_RAMROD_COMMON);
5974}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005975
stephen hemminger8d962862010-10-21 07:50:56 +00005976static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005977{
5978 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005979
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005980 /* Wait for completion */
5981 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
5982 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005983}
5984
Michael Chane665bfd2009-10-10 13:46:54 +00005985/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00005986 * 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 +00005987 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00005988 * @bp: driver handle
5989 * @set: set or clear an entry (1 or 0)
5990 * @mac: pointer to a buffer containing a MAC
5991 * @cl_bit_vec: bit vector of clients to register a MAC for
5992 * @cam_offset: offset in a CAM to use
5993 * @is_bcast: is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00005994 */
Joe Perches215faf92010-12-21 02:16:10 -08005995static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005996 u32 cl_bit_vec, u8 cam_offset,
5997 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005998{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005999 struct mac_configuration_cmd *config =
6000 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6001 int ramrod_flags = WAIT_RAMROD_COMMON;
6002
6003 bp->set_mac_pending = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006004
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006005 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006006 config->hdr.offset = cam_offset;
6007 config->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006008 /* Mark the single MAC configuration ramrod as opposed to a
6009 * UC/MC list configuration).
6010 */
6011 config->hdr.echo = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006012
6013 /* primary MAC */
6014 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006015 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006016 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006017 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006018 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006019 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006020 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006021 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006022 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006023 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006024 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006025 SET_FLAG(config->config_table[0].flags,
6026 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6027 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006028 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006029 SET_FLAG(config->config_table[0].flags,
6030 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6031 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006032
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006033 if (is_bcast)
6034 SET_FLAG(config->config_table[0].flags,
6035 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6036
6037 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006038 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006039 config->config_table[0].msb_mac_addr,
6040 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006041 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006042
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006043 mb();
6044
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006045 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006046 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006047 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6048
6049 /* Wait for a completion */
6050 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006051}
6052
stephen hemminger8d962862010-10-21 07:50:56 +00006053static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6054 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006055{
6056 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006057 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006058 u8 poll = flags & WAIT_RAMROD_POLL;
6059 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006060
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006061 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6062 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006063
6064 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006065 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006066 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006067 if (common)
6068 bnx2x_eq_int(bp);
6069 else {
6070 bnx2x_rx_int(bp->fp, 10);
6071 /* if index is different from 0
6072 * the reply for some commands will
6073 * be on the non default queue
6074 */
6075 if (idx)
6076 bnx2x_rx_int(&bp->fp[idx], 10);
6077 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006078 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006079
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006080 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006081 if (*state_p == state) {
6082#ifdef BNX2X_STOP_ON_ERROR
6083 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6084#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006085 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006086 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006087
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006088 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006089
6090 if (bp->panic)
6091 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006092 }
6093
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006094 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006095 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6096 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006097#ifdef BNX2X_STOP_ON_ERROR
6098 bnx2x_panic();
6099#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006100
Eliezer Tamir49d66772008-02-28 11:53:13 -08006101 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006102}
6103
stephen hemminger8d962862010-10-21 07:50:56 +00006104static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006105{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006106 if (CHIP_IS_E1H(bp))
6107 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6108 else if (CHIP_MODE_IS_4_PORT(bp))
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006109 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006110 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006111 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
Michael Chane665bfd2009-10-10 13:46:54 +00006112}
6113
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006114/**
6115 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6116 * relevant. In addition, current implementation is tuned for a
6117 * single ETH MAC.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006118 */
6119enum {
6120 LLH_CAM_ISCSI_ETH_LINE = 0,
6121 LLH_CAM_ETH_LINE,
6122 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6123};
6124
6125static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6126 int set,
6127 unsigned char *dev_addr,
6128 int index)
6129{
6130 u32 wb_data[2];
6131 u32 mem_offset, ena_offset, mem_index;
6132 /**
6133 * indexes mapping:
6134 * 0..7 - goes to MEM
6135 * 8..15 - goes to MEM2
6136 */
6137
6138 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6139 return;
6140
6141 /* calculate memory start offset according to the mapping
6142 * and index in the memory */
6143 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6144 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6145 NIG_REG_LLH0_FUNC_MEM;
6146 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6147 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6148 mem_index = index;
6149 } else {
6150 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6151 NIG_REG_P0_LLH_FUNC_MEM2;
6152 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6153 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6154 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6155 }
6156
6157 if (set) {
6158 /* LLH_FUNC_MEM is a u64 WB register */
6159 mem_offset += 8*mem_index;
6160
6161 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6162 (dev_addr[4] << 8) | dev_addr[5]);
6163 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6164
6165 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6166 }
6167
6168 /* enable/disable the entry */
6169 REG_WR(bp, ena_offset + 4*mem_index, set);
6170
6171}
6172
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006173void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006174{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006175 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6176 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6177
6178 /* networking MAC */
6179 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6180 (1 << bp->fp->cl_id), cam_offset , 0);
6181
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006182 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6183
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006184 if (CHIP_IS_E1(bp)) {
6185 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006186 static const u8 bcast[ETH_ALEN] = {
6187 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6188 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006189 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6190 }
6191}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006192
6193static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6194{
6195 return CHIP_REV_IS_SLOW(bp) ?
6196 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6197 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6198}
6199
6200/* set mc list, do not wait as wait implies sleep and
6201 * set_rx_mode can be invoked from non-sleepable context.
6202 *
6203 * Instead we use the same ramrod data buffer each time we need
6204 * to configure a list of addresses, and use the fact that the
6205 * list of MACs is changed in an incremental way and that the
6206 * function is called under the netif_addr_lock. A temporary
6207 * inconsistent CAM configuration (possible in case of a very fast
6208 * sequence of add/del/add on the host side) will shortly be
6209 * restored by the handler of the last ramrod.
6210 */
6211static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006212{
6213 int i = 0, old;
6214 struct net_device *dev = bp->dev;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006215 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006216 struct netdev_hw_addr *ha;
6217 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6218 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6219
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006220 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6221 return -EINVAL;
6222
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006223 netdev_for_each_mc_addr(ha, dev) {
6224 /* copy mac */
6225 config_cmd->config_table[i].msb_mac_addr =
6226 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6227 config_cmd->config_table[i].middle_mac_addr =
6228 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6229 config_cmd->config_table[i].lsb_mac_addr =
6230 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6231
6232 config_cmd->config_table[i].vlan_id = 0;
6233 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6234 config_cmd->config_table[i].clients_bit_vector =
6235 cpu_to_le32(1 << BP_L_ID(bp));
6236
6237 SET_FLAG(config_cmd->config_table[i].flags,
6238 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6239 T_ETH_MAC_COMMAND_SET);
6240
6241 DP(NETIF_MSG_IFUP,
6242 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6243 config_cmd->config_table[i].msb_mac_addr,
6244 config_cmd->config_table[i].middle_mac_addr,
6245 config_cmd->config_table[i].lsb_mac_addr);
6246 i++;
6247 }
6248 old = config_cmd->hdr.length;
6249 if (old > i) {
6250 for (; i < old; i++) {
6251 if (CAM_IS_INVALID(config_cmd->
6252 config_table[i])) {
6253 /* already invalidated */
6254 break;
6255 }
6256 /* invalidate */
6257 SET_FLAG(config_cmd->config_table[i].flags,
6258 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6259 T_ETH_MAC_COMMAND_INVALIDATE);
6260 }
6261 }
6262
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006263 wmb();
6264
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006265 config_cmd->hdr.length = i;
6266 config_cmd->hdr.offset = offset;
6267 config_cmd->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006268 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6269 * synchronization.
6270 */
6271 config_cmd->hdr.echo = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006272
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006273 mb();
Michael Chane665bfd2009-10-10 13:46:54 +00006274
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006275 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006276 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6277}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006278
6279void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006280{
6281 int i;
6282 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6283 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6284 int ramrod_flags = WAIT_RAMROD_COMMON;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006285 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006286
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006287 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006288 SET_FLAG(config_cmd->config_table[i].flags,
6289 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6290 T_ETH_MAC_COMMAND_INVALIDATE);
6291
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006292 wmb();
6293
6294 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6295 config_cmd->hdr.offset = offset;
6296 config_cmd->hdr.client_id = 0xff;
6297 /* We'll wait for a completion this time... */
6298 config_cmd->hdr.echo = 1;
6299
6300 bp->set_mac_pending = 1;
6301
6302 mb();
6303
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006304 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6305 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006306
6307 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006308 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6309 ramrod_flags);
6310
Michael Chane665bfd2009-10-10 13:46:54 +00006311}
6312
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006313/* Accept one or more multicasts */
6314static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6315{
6316 struct net_device *dev = bp->dev;
6317 struct netdev_hw_addr *ha;
6318 u32 mc_filter[MC_HASH_SIZE];
6319 u32 crc, bit, regidx;
6320 int i;
6321
6322 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6323
6324 netdev_for_each_mc_addr(ha, dev) {
6325 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6326 bnx2x_mc_addr(ha));
6327
6328 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6329 ETH_ALEN);
6330 bit = (crc >> 24) & 0xff;
6331 regidx = bit >> 5;
6332 bit &= 0x1f;
6333 mc_filter[regidx] |= (1 << bit);
6334 }
6335
6336 for (i = 0; i < MC_HASH_SIZE; i++)
6337 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6338 mc_filter[i]);
6339
6340 return 0;
6341}
6342
6343void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6344{
6345 int i;
6346
6347 for (i = 0; i < MC_HASH_SIZE; i++)
6348 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6349}
6350
Michael Chan993ac7b2009-10-10 13:46:56 +00006351#ifdef BCM_CNIC
6352/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006353 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
Michael Chan993ac7b2009-10-10 13:46:56 +00006354 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006355 * @bp: driver handle
6356 * @set: set or clear the CAM entry
Michael Chan993ac7b2009-10-10 13:46:56 +00006357 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006358 * This function will wait until the ramdord completion returns.
6359 * Return 0 if success, -ENODEV if ramrod doesn't return.
Michael Chan993ac7b2009-10-10 13:46:56 +00006360 */
stephen hemminger8d962862010-10-21 07:50:56 +00006361static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006362{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006363 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6364 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006365 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6366 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006367 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006368 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006369
6370 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006371 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006372 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006373
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006374 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006375
6376 return 0;
6377}
6378
6379/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006380 * bnx2x_set_fip_eth_mac_addr - set FCoE L2 MAC(s)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006381 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006382 * @bp: driver handle
6383 * @set: set or clear the CAM entry
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006384 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006385 * This function will wait until the ramrod completion returns.
6386 * Returns 0 if success, -ENODEV if ramrod doesn't return.
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006387 */
6388int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6389{
6390 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6391 /**
6392 * CAM allocation for E1H
6393 * eth unicasts: by func number
6394 * iscsi: by func number
6395 * fip unicast: by func number
6396 * fip multicast: by func number
6397 */
6398 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6399 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6400
6401 return 0;
6402}
6403
6404int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6405{
6406 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6407
6408 /**
6409 * CAM allocation for E1H
6410 * eth unicasts: by func number
6411 * iscsi: by func number
6412 * fip unicast: by func number
6413 * fip multicast: by func number
6414 */
6415 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6416 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6417
Michael Chan993ac7b2009-10-10 13:46:56 +00006418 return 0;
6419}
6420#endif
6421
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006422static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6423 struct bnx2x_client_init_params *params,
6424 u8 activate,
6425 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006426{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006427 /* Clear the buffer */
6428 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006429
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006430 /* general */
6431 data->general.client_id = params->rxq_params.cl_id;
6432 data->general.statistics_counter_id = params->rxq_params.stat_id;
6433 data->general.statistics_en_flg =
6434 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006435 data->general.is_fcoe_flg =
6436 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006437 data->general.activate_flg = activate;
6438 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006439
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006440 /* Rx data */
6441 data->rx.tpa_en_flg =
6442 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6443 data->rx.vmqueue_mode_en_flg = 0;
6444 data->rx.cache_line_alignment_log_size =
6445 params->rxq_params.cache_line_log;
6446 data->rx.enable_dynamic_hc =
6447 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6448 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6449 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6450 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6451
6452 /* We don't set drop flags */
6453 data->rx.drop_ip_cs_err_flg = 0;
6454 data->rx.drop_tcp_cs_err_flg = 0;
6455 data->rx.drop_ttl0_flg = 0;
6456 data->rx.drop_udp_cs_err_flg = 0;
6457
6458 data->rx.inner_vlan_removal_enable_flg =
6459 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6460 data->rx.outer_vlan_removal_enable_flg =
6461 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6462 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6463 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6464 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6465 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6466 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6467 data->rx.bd_page_base.lo =
6468 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6469 data->rx.bd_page_base.hi =
6470 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6471 data->rx.sge_page_base.lo =
6472 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6473 data->rx.sge_page_base.hi =
6474 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6475 data->rx.cqe_page_base.lo =
6476 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6477 data->rx.cqe_page_base.hi =
6478 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6479 data->rx.is_leading_rss =
6480 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6481 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6482
6483 /* Tx data */
6484 data->tx.enforce_security_flg = 0; /* VF specific */
6485 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6486 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6487 data->tx.mtu = 0; /* VF specific */
6488 data->tx.tx_bd_page_base.lo =
6489 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6490 data->tx.tx_bd_page_base.hi =
6491 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6492
6493 /* flow control data */
6494 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6495 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6496 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6497 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6498 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6499 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6500 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6501
6502 data->fc.safc_group_num = params->txq_params.cos;
6503 data->fc.safc_group_en_flg =
6504 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006505 data->fc.traffic_type =
6506 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6507 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006508}
6509
6510static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6511{
6512 /* ustorm cxt validation */
6513 cxt->ustorm_ag_context.cdu_usage =
6514 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6515 ETH_CONNECTION_TYPE);
6516 /* xcontext validation */
6517 cxt->xstorm_ag_context.cdu_reserved =
6518 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6519 ETH_CONNECTION_TYPE);
6520}
6521
stephen hemminger8d962862010-10-21 07:50:56 +00006522static int bnx2x_setup_fw_client(struct bnx2x *bp,
6523 struct bnx2x_client_init_params *params,
6524 u8 activate,
6525 struct client_init_ramrod_data *data,
6526 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006527{
6528 u16 hc_usec;
6529 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6530 int ramrod_flags = 0, rc;
6531
6532 /* HC and context validation values */
6533 hc_usec = params->txq_params.hc_rate ?
6534 1000000 / params->txq_params.hc_rate : 0;
6535 bnx2x_update_coalesce_sb_index(bp,
6536 params->txq_params.fw_sb_id,
6537 params->txq_params.sb_cq_index,
6538 !(params->txq_params.flags & QUEUE_FLG_HC),
6539 hc_usec);
6540
6541 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6542
6543 hc_usec = params->rxq_params.hc_rate ?
6544 1000000 / params->rxq_params.hc_rate : 0;
6545 bnx2x_update_coalesce_sb_index(bp,
6546 params->rxq_params.fw_sb_id,
6547 params->rxq_params.sb_cq_index,
6548 !(params->rxq_params.flags & QUEUE_FLG_HC),
6549 hc_usec);
6550
6551 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6552 params->rxq_params.cid);
6553
6554 /* zero stats */
6555 if (params->txq_params.flags & QUEUE_FLG_STATS)
6556 storm_memset_xstats_zero(bp, BP_PORT(bp),
6557 params->txq_params.stat_id);
6558
6559 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6560 storm_memset_ustats_zero(bp, BP_PORT(bp),
6561 params->rxq_params.stat_id);
6562 storm_memset_tstats_zero(bp, BP_PORT(bp),
6563 params->rxq_params.stat_id);
6564 }
6565
6566 /* Fill the ramrod data */
6567 bnx2x_fill_cl_init_data(bp, params, activate, data);
6568
6569 /* SETUP ramrod.
6570 *
6571 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6572 * barrier except from mmiowb() is needed to impose a
6573 * proper ordering of memory operations.
6574 */
6575 mmiowb();
6576
6577
6578 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6579 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006580
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006581 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006582 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6583 params->ramrod_params.index,
6584 params->ramrod_params.pstate,
6585 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006586 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006587}
6588
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006589/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006590 * bnx2x_set_int_mode - configure interrupt mode
6591 *
6592 * @bp: driver handle
6593 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006594 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006595 */
6596static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006597{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006598 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006599
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006600 switch (bp->int_mode) {
6601 case INT_MODE_MSI:
6602 bnx2x_enable_msi(bp);
6603 /* falling through... */
6604 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006605 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006606 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006607 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006608 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006609 /* Set number of queues according to bp->multi_mode value */
6610 bnx2x_set_num_queues(bp);
6611
6612 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6613 bp->num_queues);
6614
6615 /* if we can't use MSI-X we only need one fp,
6616 * so try to enable MSI-X with the requested number of fp's
6617 * and fallback to MSI or legacy INTx with one fp
6618 */
6619 rc = bnx2x_enable_msix(bp);
6620 if (rc) {
6621 /* failed to enable MSI-X */
6622 if (bp->multi_mode)
6623 DP(NETIF_MSG_IFUP,
6624 "Multi requested but failed to "
6625 "enable MSI-X (%d), "
6626 "set number of queues to %d\n",
6627 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006628 1 + NONE_ETH_CONTEXT_USE);
6629 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006630
6631 if (!(bp->flags & DISABLE_MSI_FLAG))
6632 bnx2x_enable_msi(bp);
6633 }
6634
Eilon Greensteinca003922009-08-12 22:53:28 -07006635 break;
6636 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006637
6638 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006639}
6640
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006641/* must be called prioir to any HW initializations */
6642static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6643{
6644 return L2_ILT_LINES(bp);
6645}
6646
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006647void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006648{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006649 struct ilt_client_info *ilt_client;
6650 struct bnx2x_ilt *ilt = BP_ILT(bp);
6651 u16 line = 0;
6652
6653 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6654 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6655
6656 /* CDU */
6657 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6658 ilt_client->client_num = ILT_CLIENT_CDU;
6659 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6660 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6661 ilt_client->start = line;
6662 line += L2_ILT_LINES(bp);
6663#ifdef BCM_CNIC
6664 line += CNIC_ILT_LINES;
6665#endif
6666 ilt_client->end = line - 1;
6667
6668 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6669 "flags 0x%x, hw psz %d\n",
6670 ilt_client->start,
6671 ilt_client->end,
6672 ilt_client->page_size,
6673 ilt_client->flags,
6674 ilog2(ilt_client->page_size >> 12));
6675
6676 /* QM */
6677 if (QM_INIT(bp->qm_cid_count)) {
6678 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6679 ilt_client->client_num = ILT_CLIENT_QM;
6680 ilt_client->page_size = QM_ILT_PAGE_SZ;
6681 ilt_client->flags = 0;
6682 ilt_client->start = line;
6683
6684 /* 4 bytes for each cid */
6685 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6686 QM_ILT_PAGE_SZ);
6687
6688 ilt_client->end = line - 1;
6689
6690 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6691 "flags 0x%x, hw psz %d\n",
6692 ilt_client->start,
6693 ilt_client->end,
6694 ilt_client->page_size,
6695 ilt_client->flags,
6696 ilog2(ilt_client->page_size >> 12));
6697
6698 }
6699 /* SRC */
6700 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6701#ifdef BCM_CNIC
6702 ilt_client->client_num = ILT_CLIENT_SRC;
6703 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6704 ilt_client->flags = 0;
6705 ilt_client->start = line;
6706 line += SRC_ILT_LINES;
6707 ilt_client->end = line - 1;
6708
6709 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6710 "flags 0x%x, hw psz %d\n",
6711 ilt_client->start,
6712 ilt_client->end,
6713 ilt_client->page_size,
6714 ilt_client->flags,
6715 ilog2(ilt_client->page_size >> 12));
6716
6717#else
6718 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6719#endif
6720
6721 /* TM */
6722 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6723#ifdef BCM_CNIC
6724 ilt_client->client_num = ILT_CLIENT_TM;
6725 ilt_client->page_size = TM_ILT_PAGE_SZ;
6726 ilt_client->flags = 0;
6727 ilt_client->start = line;
6728 line += TM_ILT_LINES;
6729 ilt_client->end = line - 1;
6730
6731 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6732 "flags 0x%x, hw psz %d\n",
6733 ilt_client->start,
6734 ilt_client->end,
6735 ilt_client->page_size,
6736 ilt_client->flags,
6737 ilog2(ilt_client->page_size >> 12));
6738
6739#else
6740 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6741#endif
6742}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006743
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006744int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6745 int is_leading)
6746{
6747 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006748 int rc;
6749
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006750 /* reset IGU state skip FCoE L2 queue */
6751 if (!IS_FCOE_FP(fp))
6752 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006753 IGU_INT_ENABLE, 0);
6754
6755 params.ramrod_params.pstate = &fp->state;
6756 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6757 params.ramrod_params.index = fp->index;
6758 params.ramrod_params.cid = fp->cid;
6759
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006760#ifdef BCM_CNIC
6761 if (IS_FCOE_FP(fp))
6762 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6763
6764#endif
6765
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006766 if (is_leading)
6767 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6768
6769 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6770
6771 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6772
6773 rc = bnx2x_setup_fw_client(bp, &params, 1,
6774 bnx2x_sp(bp, client_init_data),
6775 bnx2x_sp_mapping(bp, client_init_data));
6776 return rc;
6777}
6778
stephen hemminger8d962862010-10-21 07:50:56 +00006779static int bnx2x_stop_fw_client(struct bnx2x *bp,
6780 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006781{
6782 int rc;
6783
6784 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6785
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006786 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006787 *p->pstate = BNX2X_FP_STATE_HALTING;
6788 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6789 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006790
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006791 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006792 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6793 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006794 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006795 return rc;
6796
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006797 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6798 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6799 p->cl_id, 0);
6800 /* Wait for completion */
6801 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6802 p->pstate, poll_flag);
6803 if (rc) /* timeout */
6804 return rc;
6805
6806
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006807 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006808 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006809
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006810 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006811 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6812 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006813 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006814}
6815
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006816static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006817{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006818 struct bnx2x_client_ramrod_params client_stop = {0};
6819 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006820
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006821 client_stop.index = index;
6822 client_stop.cid = fp->cid;
6823 client_stop.cl_id = fp->cl_id;
6824 client_stop.pstate = &(fp->state);
6825 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006826
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006827 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006828}
6829
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006830
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006831static void bnx2x_reset_func(struct bnx2x *bp)
6832{
6833 int port = BP_PORT(bp);
6834 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006835 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006836 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006837 (CHIP_IS_E2(bp) ?
6838 offsetof(struct hc_status_block_data_e2, common) :
6839 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006840 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6841 int pfid_offset = offsetof(struct pci_entity, pf_id);
6842
6843 /* Disable the function in the FW */
6844 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6845 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6846 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6847 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6848
6849 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006850 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006851 struct bnx2x_fastpath *fp = &bp->fp[i];
6852 REG_WR8(bp,
6853 BAR_CSTRORM_INTMEM +
6854 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6855 + pfunc_offset_fp + pfid_offset,
6856 HC_FUNCTION_DISABLED);
6857 }
6858
6859 /* SP SB */
6860 REG_WR8(bp,
6861 BAR_CSTRORM_INTMEM +
6862 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6863 pfunc_offset_sp + pfid_offset,
6864 HC_FUNCTION_DISABLED);
6865
6866
6867 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6868 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6869 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006870
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006871 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006872 if (bp->common.int_block == INT_BLOCK_HC) {
6873 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6874 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6875 } else {
6876 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6877 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6878 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006879
Michael Chan37b091b2009-10-10 13:46:55 +00006880#ifdef BCM_CNIC
6881 /* Disable Timer scan */
6882 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6883 /*
6884 * Wait for at least 10ms and up to 2 second for the timers scan to
6885 * complete
6886 */
6887 for (i = 0; i < 200; i++) {
6888 msleep(10);
6889 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6890 break;
6891 }
6892#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006893 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006894 bnx2x_clear_func_ilt(bp, func);
6895
6896 /* Timers workaround bug for E2: if this is vnic-3,
6897 * we need to set the entire ilt range for this timers.
6898 */
6899 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6900 struct ilt_client_info ilt_cli;
6901 /* use dummy TM client */
6902 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6903 ilt_cli.start = 0;
6904 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6905 ilt_cli.client_num = ILT_CLIENT_TM;
6906
6907 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6908 }
6909
6910 /* this assumes that reset_port() called before reset_func()*/
6911 if (CHIP_IS_E2(bp))
6912 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006913
6914 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006915}
6916
6917static void bnx2x_reset_port(struct bnx2x *bp)
6918{
6919 int port = BP_PORT(bp);
6920 u32 val;
6921
6922 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6923
6924 /* Do not rcv packets to BRB */
6925 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6926 /* Do not direct rcv packets that are not for MCP to the BRB */
6927 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6928 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6929
6930 /* Configure AEU */
6931 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6932
6933 msleep(100);
6934 /* Check for BRB port occupancy */
6935 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6936 if (val)
6937 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006938 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006939
6940 /* TODO: Close Doorbell port? */
6941}
6942
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006943static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6944{
6945 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006946 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006947
6948 switch (reset_code) {
6949 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6950 bnx2x_reset_port(bp);
6951 bnx2x_reset_func(bp);
6952 bnx2x_reset_common(bp);
6953 break;
6954
6955 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6956 bnx2x_reset_port(bp);
6957 bnx2x_reset_func(bp);
6958 break;
6959
6960 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6961 bnx2x_reset_func(bp);
6962 break;
6963
6964 default:
6965 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6966 break;
6967 }
6968}
6969
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006970#ifdef BCM_CNIC
6971static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
6972{
6973 if (bp->flags & FCOE_MACS_SET) {
6974 if (!IS_MF_SD(bp))
6975 bnx2x_set_fip_eth_mac_addr(bp, 0);
6976
6977 bnx2x_set_all_enode_macs(bp, 0);
6978
6979 bp->flags &= ~FCOE_MACS_SET;
6980 }
6981}
6982#endif
6983
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006984void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006985{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006986 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006987 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006988 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006989
Eilon Greenstein555f6c72009-02-12 08:36:11 +00006990 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006991 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08006992 struct bnx2x_fastpath *fp = &bp->fp[i];
6993
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006994 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08006995 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006996
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006997 if (!cnt) {
6998 BNX2X_ERR("timeout waiting for queue[%d]\n",
6999 i);
7000#ifdef BNX2X_STOP_ON_ERROR
7001 bnx2x_panic();
7002 return -EBUSY;
7003#else
7004 break;
7005#endif
7006 }
7007 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007008 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007009 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007010 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007011 /* Give HW time to discard old tx messages */
7012 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007013
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007014 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007015
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007016 bnx2x_invalidate_uc_list(bp);
7017
7018 if (CHIP_IS_E1(bp))
7019 bnx2x_invalidate_e1_mc_list(bp);
7020 else {
7021 bnx2x_invalidate_e1h_mc_list(bp);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007022 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007023 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007024
Michael Chan993ac7b2009-10-10 13:46:56 +00007025#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007026 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007027#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007028
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007029 if (unload_mode == UNLOAD_NORMAL)
7030 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007031
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007032 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007033 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007034
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007035 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007036 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007037 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007038 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007039 /* The mac address is written to entries 1-4 to
7040 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007041 u8 entry = (BP_E1HVN(bp) + 1)*8;
7042
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007043 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007044 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007045
7046 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7047 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007048 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007049
7050 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007051
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007052 } else
7053 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7054
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007055 /* Close multi and leading connections
7056 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007057 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007058
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007059 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007060#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007061 return;
7062#else
7063 goto unload_error;
7064#endif
7065
7066 rc = bnx2x_func_stop(bp);
7067 if (rc) {
7068 BNX2X_ERR("Function stop failed!\n");
7069#ifdef BNX2X_STOP_ON_ERROR
7070 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007071#else
7072 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007073#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007074 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007075#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007076unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007077#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007078 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007079 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007080 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007081 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7082 "%d, %d, %d\n", BP_PATH(bp),
7083 load_count[BP_PATH(bp)][0],
7084 load_count[BP_PATH(bp)][1],
7085 load_count[BP_PATH(bp)][2]);
7086 load_count[BP_PATH(bp)][0]--;
7087 load_count[BP_PATH(bp)][1 + port]--;
7088 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7089 "%d, %d, %d\n", BP_PATH(bp),
7090 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7091 load_count[BP_PATH(bp)][2]);
7092 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007093 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007094 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007095 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7096 else
7097 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7098 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007099
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007100 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7101 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7102 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007103
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007104 /* Disable HW interrupts, NAPI */
7105 bnx2x_netif_stop(bp, 1);
7106
7107 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007108 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007109
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007110 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007111 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007112
7113 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007114 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007115 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007116
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007117}
7118
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007119void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007120{
7121 u32 val;
7122
7123 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7124
7125 if (CHIP_IS_E1(bp)) {
7126 int port = BP_PORT(bp);
7127 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7128 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7129
7130 val = REG_RD(bp, addr);
7131 val &= ~(0x300);
7132 REG_WR(bp, addr, val);
7133 } else if (CHIP_IS_E1H(bp)) {
7134 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7135 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7136 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7137 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7138 }
7139}
7140
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007141/* Close gates #2, #3 and #4: */
7142static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7143{
7144 u32 val, addr;
7145
7146 /* Gates #2 and #4a are closed/opened for "not E1" only */
7147 if (!CHIP_IS_E1(bp)) {
7148 /* #4 */
7149 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7150 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7151 close ? (val | 0x1) : (val & (~(u32)1)));
7152 /* #2 */
7153 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7154 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7155 close ? (val | 0x1) : (val & (~(u32)1)));
7156 }
7157
7158 /* #3 */
7159 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7160 val = REG_RD(bp, addr);
7161 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7162
7163 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7164 close ? "closing" : "opening");
7165 mmiowb();
7166}
7167
7168#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7169
7170static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7171{
7172 /* Do some magic... */
7173 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7174 *magic_val = val & SHARED_MF_CLP_MAGIC;
7175 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7176}
7177
Dmitry Kravkove8920672011-05-04 23:52:40 +00007178/**
7179 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007180 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007181 * @bp: driver handle
7182 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007183 */
7184static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7185{
7186 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007187 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7188 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7189 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7190}
7191
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007192/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007193 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007194 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007195 * @bp: driver handle
7196 * @magic_val: old value of 'magic' bit.
7197 *
7198 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007199 */
7200static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7201{
7202 u32 shmem;
7203 u32 validity_offset;
7204
7205 DP(NETIF_MSG_HW, "Starting\n");
7206
7207 /* Set `magic' bit in order to save MF config */
7208 if (!CHIP_IS_E1(bp))
7209 bnx2x_clp_reset_prep(bp, magic_val);
7210
7211 /* Get shmem offset */
7212 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7213 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7214
7215 /* Clear validity map flags */
7216 if (shmem > 0)
7217 REG_WR(bp, shmem + validity_offset, 0);
7218}
7219
7220#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7221#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7222
Dmitry Kravkove8920672011-05-04 23:52:40 +00007223/**
7224 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007225 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007226 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007227 */
7228static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7229{
7230 /* special handling for emulation and FPGA,
7231 wait 10 times longer */
7232 if (CHIP_REV_IS_SLOW(bp))
7233 msleep(MCP_ONE_TIMEOUT*10);
7234 else
7235 msleep(MCP_ONE_TIMEOUT);
7236}
7237
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007238/*
7239 * initializes bp->common.shmem_base and waits for validity signature to appear
7240 */
7241static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007242{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007243 int cnt = 0;
7244 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007245
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007246 do {
7247 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7248 if (bp->common.shmem_base) {
7249 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7250 if (val & SHR_MEM_VALIDITY_MB)
7251 return 0;
7252 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007253
7254 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007255
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007256 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007257
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007258 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007259
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007260 return -ENODEV;
7261}
7262
7263static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7264{
7265 int rc = bnx2x_init_shmem(bp);
7266
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007267 /* Restore the `magic' bit value */
7268 if (!CHIP_IS_E1(bp))
7269 bnx2x_clp_reset_done(bp, magic_val);
7270
7271 return rc;
7272}
7273
7274static void bnx2x_pxp_prep(struct bnx2x *bp)
7275{
7276 if (!CHIP_IS_E1(bp)) {
7277 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7278 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7279 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7280 mmiowb();
7281 }
7282}
7283
7284/*
7285 * Reset the whole chip except for:
7286 * - PCIE core
7287 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7288 * one reset bit)
7289 * - IGU
7290 * - MISC (including AEU)
7291 * - GRC
7292 * - RBCN, RBCP
7293 */
7294static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7295{
7296 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7297
7298 not_reset_mask1 =
7299 MISC_REGISTERS_RESET_REG_1_RST_HC |
7300 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7301 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7302
7303 not_reset_mask2 =
7304 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7305 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7306 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7307 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7308 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7309 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7310 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7311 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7312
7313 reset_mask1 = 0xffffffff;
7314
7315 if (CHIP_IS_E1(bp))
7316 reset_mask2 = 0xffff;
7317 else
7318 reset_mask2 = 0x1ffff;
7319
7320 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7321 reset_mask1 & (~not_reset_mask1));
7322 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7323 reset_mask2 & (~not_reset_mask2));
7324
7325 barrier();
7326 mmiowb();
7327
7328 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7329 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7330 mmiowb();
7331}
7332
7333static int bnx2x_process_kill(struct bnx2x *bp)
7334{
7335 int cnt = 1000;
7336 u32 val = 0;
7337 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7338
7339
7340 /* Empty the Tetris buffer, wait for 1s */
7341 do {
7342 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7343 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7344 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7345 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7346 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7347 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7348 ((port_is_idle_0 & 0x1) == 0x1) &&
7349 ((port_is_idle_1 & 0x1) == 0x1) &&
7350 (pgl_exp_rom2 == 0xffffffff))
7351 break;
7352 msleep(1);
7353 } while (cnt-- > 0);
7354
7355 if (cnt <= 0) {
7356 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7357 " are still"
7358 " outstanding read requests after 1s!\n");
7359 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7360 " port_is_idle_0=0x%08x,"
7361 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7362 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7363 pgl_exp_rom2);
7364 return -EAGAIN;
7365 }
7366
7367 barrier();
7368
7369 /* Close gates #2, #3 and #4 */
7370 bnx2x_set_234_gates(bp, true);
7371
7372 /* TBD: Indicate that "process kill" is in progress to MCP */
7373
7374 /* Clear "unprepared" bit */
7375 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7376 barrier();
7377
7378 /* Make sure all is written to the chip before the reset */
7379 mmiowb();
7380
7381 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7382 * PSWHST, GRC and PSWRD Tetris buffer.
7383 */
7384 msleep(1);
7385
7386 /* Prepare to chip reset: */
7387 /* MCP */
7388 bnx2x_reset_mcp_prep(bp, &val);
7389
7390 /* PXP */
7391 bnx2x_pxp_prep(bp);
7392 barrier();
7393
7394 /* reset the chip */
7395 bnx2x_process_kill_chip_reset(bp);
7396 barrier();
7397
7398 /* Recover after reset: */
7399 /* MCP */
7400 if (bnx2x_reset_mcp_comp(bp, val))
7401 return -EAGAIN;
7402
7403 /* PXP */
7404 bnx2x_pxp_prep(bp);
7405
7406 /* Open the gates #2, #3 and #4 */
7407 bnx2x_set_234_gates(bp, false);
7408
7409 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7410 * reset state, re-enable attentions. */
7411
7412 return 0;
7413}
7414
7415static int bnx2x_leader_reset(struct bnx2x *bp)
7416{
7417 int rc = 0;
7418 /* Try to recover after the failure */
7419 if (bnx2x_process_kill(bp)) {
7420 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7421 bp->dev->name);
7422 rc = -EAGAIN;
7423 goto exit_leader_reset;
7424 }
7425
7426 /* Clear "reset is in progress" bit and update the driver state */
7427 bnx2x_set_reset_done(bp);
7428 bp->recovery_state = BNX2X_RECOVERY_DONE;
7429
7430exit_leader_reset:
7431 bp->is_leader = 0;
7432 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7433 smp_wmb();
7434 return rc;
7435}
7436
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007437/* Assumption: runs under rtnl lock. This together with the fact
7438 * that it's called only from bnx2x_reset_task() ensure that it
7439 * will never be called when netif_running(bp->dev) is false.
7440 */
7441static void bnx2x_parity_recover(struct bnx2x *bp)
7442{
7443 DP(NETIF_MSG_HW, "Handling parity\n");
7444 while (1) {
7445 switch (bp->recovery_state) {
7446 case BNX2X_RECOVERY_INIT:
7447 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7448 /* Try to get a LEADER_LOCK HW lock */
7449 if (bnx2x_trylock_hw_lock(bp,
7450 HW_LOCK_RESOURCE_RESERVED_08))
7451 bp->is_leader = 1;
7452
7453 /* Stop the driver */
7454 /* If interface has been removed - break */
7455 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7456 return;
7457
7458 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7459 /* Ensure "is_leader" and "recovery_state"
7460 * update values are seen on other CPUs
7461 */
7462 smp_wmb();
7463 break;
7464
7465 case BNX2X_RECOVERY_WAIT:
7466 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7467 if (bp->is_leader) {
7468 u32 load_counter = bnx2x_get_load_cnt(bp);
7469 if (load_counter) {
7470 /* Wait until all other functions get
7471 * down.
7472 */
7473 schedule_delayed_work(&bp->reset_task,
7474 HZ/10);
7475 return;
7476 } else {
7477 /* If all other functions got down -
7478 * try to bring the chip back to
7479 * normal. In any case it's an exit
7480 * point for a leader.
7481 */
7482 if (bnx2x_leader_reset(bp) ||
7483 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7484 printk(KERN_ERR"%s: Recovery "
7485 "has failed. Power cycle is "
7486 "needed.\n", bp->dev->name);
7487 /* Disconnect this device */
7488 netif_device_detach(bp->dev);
7489 /* Block ifup for all function
7490 * of this ASIC until
7491 * "process kill" or power
7492 * cycle.
7493 */
7494 bnx2x_set_reset_in_progress(bp);
7495 /* Shut down the power */
7496 bnx2x_set_power_state(bp,
7497 PCI_D3hot);
7498 return;
7499 }
7500
7501 return;
7502 }
7503 } else { /* non-leader */
7504 if (!bnx2x_reset_is_done(bp)) {
7505 /* Try to get a LEADER_LOCK HW lock as
7506 * long as a former leader may have
7507 * been unloaded by the user or
7508 * released a leadership by another
7509 * reason.
7510 */
7511 if (bnx2x_trylock_hw_lock(bp,
7512 HW_LOCK_RESOURCE_RESERVED_08)) {
7513 /* I'm a leader now! Restart a
7514 * switch case.
7515 */
7516 bp->is_leader = 1;
7517 break;
7518 }
7519
7520 schedule_delayed_work(&bp->reset_task,
7521 HZ/10);
7522 return;
7523
7524 } else { /* A leader has completed
7525 * the "process kill". It's an exit
7526 * point for a non-leader.
7527 */
7528 bnx2x_nic_load(bp, LOAD_NORMAL);
7529 bp->recovery_state =
7530 BNX2X_RECOVERY_DONE;
7531 smp_wmb();
7532 return;
7533 }
7534 }
7535 default:
7536 return;
7537 }
7538 }
7539}
7540
7541/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7542 * scheduled on a general queue in order to prevent a dead lock.
7543 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007544static void bnx2x_reset_task(struct work_struct *work)
7545{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007546 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007547
7548#ifdef BNX2X_STOP_ON_ERROR
7549 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7550 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007551 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007552 return;
7553#endif
7554
7555 rtnl_lock();
7556
7557 if (!netif_running(bp->dev))
7558 goto reset_task_exit;
7559
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007560 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7561 bnx2x_parity_recover(bp);
7562 else {
7563 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7564 bnx2x_nic_load(bp, LOAD_NORMAL);
7565 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007566
7567reset_task_exit:
7568 rtnl_unlock();
7569}
7570
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007571/* end of nic load/unload */
7572
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007573/*
7574 * Init service functions
7575 */
7576
stephen hemminger8d962862010-10-21 07:50:56 +00007577static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007578{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007579 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7580 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7581 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007582}
7583
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007584static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007585{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007586 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007587
7588 /* Flush all outstanding writes */
7589 mmiowb();
7590
7591 /* Pretend to be function 0 */
7592 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007593 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007594
7595 /* From now we are in the "like-E1" mode */
7596 bnx2x_int_disable(bp);
7597
7598 /* Flush all outstanding writes */
7599 mmiowb();
7600
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007601 /* Restore the original function */
7602 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7603 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007604}
7605
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007606static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007607{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007608 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007609 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007610 else
7611 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007612}
7613
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007614static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007615{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007616 u32 val;
7617
7618 /* Check if there is any driver already loaded */
7619 val = REG_RD(bp, MISC_REG_UNPREPARED);
7620 if (val == 0x1) {
7621 /* Check if it is the UNDI driver
7622 * UNDI driver initializes CID offset for normal bell to 0x7
7623 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007624 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007625 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7626 if (val == 0x7) {
7627 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007628 /* save our pf_num */
7629 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007630 u32 swap_en;
7631 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007632
Eilon Greensteinb4661732009-01-14 06:43:56 +00007633 /* clear the UNDI indication */
7634 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7635
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007636 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7637
7638 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007639 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007640 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007641 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007642 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007643 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007644
7645 /* if UNDI is loaded on the other port */
7646 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7647
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007648 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007649 bnx2x_fw_command(bp,
7650 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007651
7652 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007653 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007654 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007655 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007656 DRV_MSG_SEQ_NUMBER_MASK);
7657 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007658
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007659 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007660 }
7661
Eilon Greensteinb4661732009-01-14 06:43:56 +00007662 /* now it's safe to release the lock */
7663 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7664
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007665 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007666
7667 /* close input traffic and wait for it */
7668 /* Do not rcv packets to BRB */
7669 REG_WR(bp,
7670 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7671 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7672 /* Do not direct rcv packets that are not for MCP to
7673 * the BRB */
7674 REG_WR(bp,
7675 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7676 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7677 /* clear AEU */
7678 REG_WR(bp,
7679 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7680 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7681 msleep(10);
7682
7683 /* save NIG port swap info */
7684 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7685 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007686 /* reset device */
7687 REG_WR(bp,
7688 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007689 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007690 REG_WR(bp,
7691 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7692 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007693 /* take the NIG out of reset and restore swap values */
7694 REG_WR(bp,
7695 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7696 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7697 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7698 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7699
7700 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007701 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007702
7703 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007704 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007705 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007706 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007707 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007708 } else
7709 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007710 }
7711}
7712
7713static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7714{
7715 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007716 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007717
7718 /* Get the chip revision id and number. */
7719 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7720 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7721 id = ((val & 0xffff) << 16);
7722 val = REG_RD(bp, MISC_REG_CHIP_REV);
7723 id |= ((val & 0xf) << 12);
7724 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7725 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007726 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007727 id |= (val & 0xf);
7728 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007729
7730 /* Set doorbell size */
7731 bp->db_size = (1 << BNX2X_DB_SHIFT);
7732
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007733 if (CHIP_IS_E2(bp)) {
7734 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7735 if ((val & 1) == 0)
7736 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7737 else
7738 val = (val >> 1) & 1;
7739 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7740 "2_PORT_MODE");
7741 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7742 CHIP_2_PORT_MODE;
7743
7744 if (CHIP_MODE_IS_4_PORT(bp))
7745 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7746 else
7747 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7748 } else {
7749 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7750 bp->pfid = bp->pf_num; /* 0..7 */
7751 }
7752
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007753 /*
7754 * set base FW non-default (fast path) status block id, this value is
7755 * used to initialize the fw_sb_id saved on the fp/queue structure to
7756 * determine the id used by the FW.
7757 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007758 if (CHIP_IS_E1x(bp))
7759 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7760 else /* E2 */
7761 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7762
7763 bp->link_params.chip_id = bp->common.chip_id;
7764 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007765
Eilon Greenstein1c063282009-02-12 08:36:43 +00007766 val = (REG_RD(bp, 0x2874) & 0x55);
7767 if ((bp->common.chip_id & 0x1) ||
7768 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7769 bp->flags |= ONE_PORT_FLAG;
7770 BNX2X_DEV_INFO("single port device\n");
7771 }
7772
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007773 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7774 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7775 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7776 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7777 bp->common.flash_size, bp->common.flash_size);
7778
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007779 bnx2x_init_shmem(bp);
7780
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007781 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7782 MISC_REG_GENERIC_CR_1 :
7783 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007784
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007785 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007786 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007787 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7788 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007789
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007790 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007791 BNX2X_DEV_INFO("MCP not active\n");
7792 bp->flags |= NO_MCP_FLAG;
7793 return;
7794 }
7795
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007796 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007797 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007798
7799 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7800 SHARED_HW_CFG_LED_MODE_MASK) >>
7801 SHARED_HW_CFG_LED_MODE_SHIFT);
7802
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007803 bp->link_params.feature_config_flags = 0;
7804 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7805 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7806 bp->link_params.feature_config_flags |=
7807 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7808 else
7809 bp->link_params.feature_config_flags &=
7810 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7811
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007812 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7813 bp->common.bc_ver = val;
7814 BNX2X_DEV_INFO("bc_ver %X\n", val);
7815 if (val < BNX2X_BC_VER) {
7816 /* for now only warn
7817 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007818 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7819 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007820 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007821 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007822 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007823 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7824
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007825 bp->link_params.feature_config_flags |=
7826 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7827 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007828
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00007829 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7830 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7831
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007832 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007833 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007834
7835 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7836 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7837 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7838 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7839
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007840 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7841 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007842}
7843
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007844#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7845#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7846
7847static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7848{
7849 int pfid = BP_FUNC(bp);
7850 int vn = BP_E1HVN(bp);
7851 int igu_sb_id;
7852 u32 val;
7853 u8 fid;
7854
7855 bp->igu_base_sb = 0xff;
7856 bp->igu_sb_cnt = 0;
7857 if (CHIP_INT_MODE_IS_BC(bp)) {
7858 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007859 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007860
7861 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7862 FP_SB_MAX_E1x;
7863
7864 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7865 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7866
7867 return;
7868 }
7869
7870 /* IGU in normal mode - read CAM */
7871 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7872 igu_sb_id++) {
7873 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7874 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7875 continue;
7876 fid = IGU_FID(val);
7877 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7878 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7879 continue;
7880 if (IGU_VEC(val) == 0)
7881 /* default status block */
7882 bp->igu_dsb_id = igu_sb_id;
7883 else {
7884 if (bp->igu_base_sb == 0xff)
7885 bp->igu_base_sb = igu_sb_id;
7886 bp->igu_sb_cnt++;
7887 }
7888 }
7889 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007890 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
7891 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007892 if (bp->igu_sb_cnt == 0)
7893 BNX2X_ERR("CAM configuration error\n");
7894}
7895
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007896static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7897 u32 switch_cfg)
7898{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007899 int cfg_size = 0, idx, port = BP_PORT(bp);
7900
7901 /* Aggregation of supported attributes of all external phys */
7902 bp->port.supported[0] = 0;
7903 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007904 switch (bp->link_params.num_phys) {
7905 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007906 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
7907 cfg_size = 1;
7908 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007909 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007910 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
7911 cfg_size = 1;
7912 break;
7913 case 3:
7914 if (bp->link_params.multi_phy_config &
7915 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
7916 bp->port.supported[1] =
7917 bp->link_params.phy[EXT_PHY1].supported;
7918 bp->port.supported[0] =
7919 bp->link_params.phy[EXT_PHY2].supported;
7920 } else {
7921 bp->port.supported[0] =
7922 bp->link_params.phy[EXT_PHY1].supported;
7923 bp->port.supported[1] =
7924 bp->link_params.phy[EXT_PHY2].supported;
7925 }
7926 cfg_size = 2;
7927 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007928 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007929
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007930 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007931 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007932 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007933 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007934 dev_info.port_hw_config[port].external_phy_config),
7935 SHMEM_RD(bp,
7936 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007937 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007938 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007939
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007940 switch (switch_cfg) {
7941 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007942 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7943 port*0x10);
7944 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007945 break;
7946
7947 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007948 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7949 port*0x18);
7950 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007951 break;
7952
7953 default:
7954 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007955 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007956 return;
7957 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007958 /* mask what we support according to speed_cap_mask per configuration */
7959 for (idx = 0; idx < cfg_size; idx++) {
7960 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007961 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007962 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007963
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007964 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007965 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007966 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007967
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007968 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007969 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007970 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007971
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007972 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007973 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007974 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007975
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007976 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007977 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007978 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007979 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007980
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007981 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007982 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007983 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007984
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007985 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007986 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007987 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007988
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007989 }
7990
7991 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
7992 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007993}
7994
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007995static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007996{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007997 u32 link_config, idx, cfg_size = 0;
7998 bp->port.advertising[0] = 0;
7999 bp->port.advertising[1] = 0;
8000 switch (bp->link_params.num_phys) {
8001 case 1:
8002 case 2:
8003 cfg_size = 1;
8004 break;
8005 case 3:
8006 cfg_size = 2;
8007 break;
8008 }
8009 for (idx = 0; idx < cfg_size; idx++) {
8010 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8011 link_config = bp->port.link_config[idx];
8012 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008013 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008014 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8015 bp->link_params.req_line_speed[idx] =
8016 SPEED_AUTO_NEG;
8017 bp->port.advertising[idx] |=
8018 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008019 } else {
8020 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008021 bp->link_params.req_line_speed[idx] =
8022 SPEED_10000;
8023 bp->port.advertising[idx] |=
8024 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008025 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008026 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008027 }
8028 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008029
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008030 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008031 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8032 bp->link_params.req_line_speed[idx] =
8033 SPEED_10;
8034 bp->port.advertising[idx] |=
8035 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008036 ADVERTISED_TP);
8037 } else {
8038 BNX2X_ERROR("NVRAM config error. "
8039 "Invalid link_config 0x%x"
8040 " speed_cap_mask 0x%x\n",
8041 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008042 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008043 return;
8044 }
8045 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008046
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008047 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008048 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8049 bp->link_params.req_line_speed[idx] =
8050 SPEED_10;
8051 bp->link_params.req_duplex[idx] =
8052 DUPLEX_HALF;
8053 bp->port.advertising[idx] |=
8054 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008055 ADVERTISED_TP);
8056 } else {
8057 BNX2X_ERROR("NVRAM config error. "
8058 "Invalid link_config 0x%x"
8059 " speed_cap_mask 0x%x\n",
8060 link_config,
8061 bp->link_params.speed_cap_mask[idx]);
8062 return;
8063 }
8064 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008065
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008066 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8067 if (bp->port.supported[idx] &
8068 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008069 bp->link_params.req_line_speed[idx] =
8070 SPEED_100;
8071 bp->port.advertising[idx] |=
8072 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008073 ADVERTISED_TP);
8074 } else {
8075 BNX2X_ERROR("NVRAM config error. "
8076 "Invalid link_config 0x%x"
8077 " speed_cap_mask 0x%x\n",
8078 link_config,
8079 bp->link_params.speed_cap_mask[idx]);
8080 return;
8081 }
8082 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008083
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008084 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8085 if (bp->port.supported[idx] &
8086 SUPPORTED_100baseT_Half) {
8087 bp->link_params.req_line_speed[idx] =
8088 SPEED_100;
8089 bp->link_params.req_duplex[idx] =
8090 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008091 bp->port.advertising[idx] |=
8092 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008093 ADVERTISED_TP);
8094 } else {
8095 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008096 "Invalid link_config 0x%x"
8097 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008098 link_config,
8099 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008100 return;
8101 }
8102 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008103
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008104 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008105 if (bp->port.supported[idx] &
8106 SUPPORTED_1000baseT_Full) {
8107 bp->link_params.req_line_speed[idx] =
8108 SPEED_1000;
8109 bp->port.advertising[idx] |=
8110 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008111 ADVERTISED_TP);
8112 } else {
8113 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008114 "Invalid link_config 0x%x"
8115 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008116 link_config,
8117 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008118 return;
8119 }
8120 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008121
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008122 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008123 if (bp->port.supported[idx] &
8124 SUPPORTED_2500baseX_Full) {
8125 bp->link_params.req_line_speed[idx] =
8126 SPEED_2500;
8127 bp->port.advertising[idx] |=
8128 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008129 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008130 } else {
8131 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008132 "Invalid link_config 0x%x"
8133 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008134 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008135 bp->link_params.speed_cap_mask[idx]);
8136 return;
8137 }
8138 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008139
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008140 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8141 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8142 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008143 if (bp->port.supported[idx] &
8144 SUPPORTED_10000baseT_Full) {
8145 bp->link_params.req_line_speed[idx] =
8146 SPEED_10000;
8147 bp->port.advertising[idx] |=
8148 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008149 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008150 } else {
8151 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008152 "Invalid link_config 0x%x"
8153 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008154 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008155 bp->link_params.speed_cap_mask[idx]);
8156 return;
8157 }
8158 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008159
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008160 default:
8161 BNX2X_ERROR("NVRAM config error. "
8162 "BAD link speed link_config 0x%x\n",
8163 link_config);
8164 bp->link_params.req_line_speed[idx] =
8165 SPEED_AUTO_NEG;
8166 bp->port.advertising[idx] =
8167 bp->port.supported[idx];
8168 break;
8169 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008170
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008171 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008172 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008173 if ((bp->link_params.req_flow_ctrl[idx] ==
8174 BNX2X_FLOW_CTRL_AUTO) &&
8175 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8176 bp->link_params.req_flow_ctrl[idx] =
8177 BNX2X_FLOW_CTRL_NONE;
8178 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008179
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008180 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8181 " 0x%x advertising 0x%x\n",
8182 bp->link_params.req_line_speed[idx],
8183 bp->link_params.req_duplex[idx],
8184 bp->link_params.req_flow_ctrl[idx],
8185 bp->port.advertising[idx]);
8186 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008187}
8188
Michael Chane665bfd2009-10-10 13:46:54 +00008189static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8190{
8191 mac_hi = cpu_to_be16(mac_hi);
8192 mac_lo = cpu_to_be32(mac_lo);
8193 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8194 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8195}
8196
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008197static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008198{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008199 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008200 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008201 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008202
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008203 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008204 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008205
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008206 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008207 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008208
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008209 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008210 SHMEM_RD(bp,
8211 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008212 bp->link_params.speed_cap_mask[1] =
8213 SHMEM_RD(bp,
8214 dev_info.port_hw_config[port].speed_capability_mask2);
8215 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008216 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8217
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008218 bp->port.link_config[1] =
8219 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008220
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008221 bp->link_params.multi_phy_config =
8222 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008223 /* If the device is capable of WoL, set the default state according
8224 * to the HW
8225 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008226 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008227 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8228 (config & PORT_FEATURE_WOL_ENABLED));
8229
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008230 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008231 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008232 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008233 bp->link_params.speed_cap_mask[0],
8234 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008235
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008236 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008237 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008238 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008239 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008240
8241 bnx2x_link_settings_requested(bp);
8242
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008243 /*
8244 * If connected directly, work with the internal PHY, otherwise, work
8245 * with the external PHY
8246 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008247 ext_phy_config =
8248 SHMEM_RD(bp,
8249 dev_info.port_hw_config[port].external_phy_config);
8250 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008251 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008252 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008253
8254 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8255 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8256 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008257 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008258
8259 /*
8260 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8261 * In MF mode, it is set to cover self test cases
8262 */
8263 if (IS_MF(bp))
8264 bp->port.need_hw_lock = 1;
8265 else
8266 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8267 bp->common.shmem_base,
8268 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008269}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008270
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008271#ifdef BCM_CNIC
8272static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8273{
8274 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8275 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8276 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8277 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8278
8279 /* Get the number of maximum allowed iSCSI and FCoE connections */
8280 bp->cnic_eth_dev.max_iscsi_conn =
8281 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8282 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8283
8284 bp->cnic_eth_dev.max_fcoe_conn =
8285 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8286 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8287
8288 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8289 bp->cnic_eth_dev.max_iscsi_conn,
8290 bp->cnic_eth_dev.max_fcoe_conn);
8291
8292 /* If mamimum allowed number of connections is zero -
8293 * disable the feature.
8294 */
8295 if (!bp->cnic_eth_dev.max_iscsi_conn)
8296 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8297
8298 if (!bp->cnic_eth_dev.max_fcoe_conn)
8299 bp->flags |= NO_FCOE_FLAG;
8300}
8301#endif
8302
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008303static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8304{
8305 u32 val, val2;
8306 int func = BP_ABS_FUNC(bp);
8307 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008308#ifdef BCM_CNIC
8309 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8310 u8 *fip_mac = bp->fip_mac;
8311#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008312
8313 if (BP_NOMCP(bp)) {
8314 BNX2X_ERROR("warning: random MAC workaround active\n");
8315 random_ether_addr(bp->dev->dev_addr);
8316 } else if (IS_MF(bp)) {
8317 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8318 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8319 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8320 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8321 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8322
8323#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008324 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8325 * FCoE MAC then the appropriate feature should be disabled.
8326 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008327 if (IS_MF_SI(bp)) {
8328 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8329 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8330 val2 = MF_CFG_RD(bp, func_ext_config[func].
8331 iscsi_mac_addr_upper);
8332 val = MF_CFG_RD(bp, func_ext_config[func].
8333 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008334 BNX2X_DEV_INFO("Read iSCSI MAC: "
8335 "0x%x:0x%04x\n", val2, val);
8336 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008337 } else
8338 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8339
8340 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8341 val2 = MF_CFG_RD(bp, func_ext_config[func].
8342 fcoe_mac_addr_upper);
8343 val = MF_CFG_RD(bp, func_ext_config[func].
8344 fcoe_mac_addr_lower);
8345 BNX2X_DEV_INFO("Read FCoE MAC to "
8346 "0x%x:0x%04x\n", val2, val);
8347 bnx2x_set_mac_buf(fip_mac, val, val2);
8348
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008349 } else
8350 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008351 }
8352#endif
8353 } else {
8354 /* in SF read MACs from port configuration */
8355 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8356 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8357 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8358
8359#ifdef BCM_CNIC
8360 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8361 iscsi_mac_upper);
8362 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8363 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008364 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008365#endif
8366 }
8367
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008368 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8369 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008370
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008371#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008372 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008373 if (!CHIP_IS_E1x(bp)) {
8374 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008375 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8376 else if (!IS_MF(bp))
8377 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008378 }
Dmitry Kravkov426b9242011-05-04 23:49:53 +00008379
8380 /* Disable iSCSI if MAC configuration is
8381 * invalid.
8382 */
8383 if (!is_valid_ether_addr(iscsi_mac)) {
8384 bp->flags |= NO_ISCSI_FLAG;
8385 memset(iscsi_mac, 0, ETH_ALEN);
8386 }
8387
8388 /* Disable FCoE if MAC configuration is
8389 * invalid.
8390 */
8391 if (!is_valid_ether_addr(fip_mac)) {
8392 bp->flags |= NO_FCOE_FLAG;
8393 memset(bp->fip_mac, 0, ETH_ALEN);
8394 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008395#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008396}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008397
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008398static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8399{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008400 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07008401 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008402 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008403 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008404
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008405 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008406
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008407 if (CHIP_IS_E1x(bp)) {
8408 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008409
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008410 bp->igu_dsb_id = DEF_SB_IGU_ID;
8411 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008412 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8413 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008414 } else {
8415 bp->common.int_block = INT_BLOCK_IGU;
8416 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8417 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8418 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8419 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8420 } else
8421 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8422
8423 bnx2x_get_igu_cam_info(bp);
8424
8425 }
8426 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8427 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8428
8429 /*
8430 * Initialize MF configuration
8431 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008432
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008433 bp->mf_ov = 0;
8434 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008435 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008436
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008437 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008438 DP(NETIF_MSG_PROBE,
8439 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8440 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8441 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008442 if (SHMEM2_HAS(bp, mf_cfg_addr))
8443 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8444 else
8445 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008446 offsetof(struct shmem_region, func_mb) +
8447 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008448 /*
8449 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008450 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008451 * 2. MAC address must be legal (check only upper bytes)
8452 * for Switch-Independent mode;
8453 * OVLAN must be legal for Switch-Dependent mode
8454 * 3. SF_MODE configures specific MF mode
8455 */
8456 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8457 /* get mf configuration */
8458 val = SHMEM_RD(bp,
8459 dev_info.shared_feature_config.config);
8460 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008461
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008462 switch (val) {
8463 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8464 val = MF_CFG_RD(bp, func_mf_config[func].
8465 mac_upper);
8466 /* check for legal mac (upper bytes)*/
8467 if (val != 0xffff) {
8468 bp->mf_mode = MULTI_FUNCTION_SI;
8469 bp->mf_config[vn] = MF_CFG_RD(bp,
8470 func_mf_config[func].config);
8471 } else
8472 DP(NETIF_MSG_PROBE, "illegal MAC "
8473 "address for SI\n");
8474 break;
8475 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8476 /* get OV configuration */
8477 val = MF_CFG_RD(bp,
8478 func_mf_config[FUNC_0].e1hov_tag);
8479 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8480
8481 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8482 bp->mf_mode = MULTI_FUNCTION_SD;
8483 bp->mf_config[vn] = MF_CFG_RD(bp,
8484 func_mf_config[func].config);
8485 } else
8486 DP(NETIF_MSG_PROBE, "illegal OV for "
8487 "SD\n");
8488 break;
8489 default:
8490 /* Unknown configuration: reset mf_config */
8491 bp->mf_config[vn] = 0;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008492 DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008493 val);
8494 }
8495 }
8496
Eilon Greenstein2691d512009-08-12 08:22:08 +00008497 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008498 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008499
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008500 switch (bp->mf_mode) {
8501 case MULTI_FUNCTION_SD:
8502 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8503 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008504 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008505 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008506 BNX2X_DEV_INFO("MF OV for func %d is %d"
8507 " (0x%04x)\n", func,
8508 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008509 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008510 BNX2X_ERR("No valid MF OV for func %d,"
8511 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008512 rc = -EPERM;
8513 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008514 break;
8515 case MULTI_FUNCTION_SI:
8516 BNX2X_DEV_INFO("func %d is in MF "
8517 "switch-independent mode\n", func);
8518 break;
8519 default:
8520 if (vn) {
8521 BNX2X_ERR("VN %d in single function mode,"
8522 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008523 rc = -EPERM;
8524 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008525 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008526 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008527
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008528 }
8529
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008530 /* adjust igu_sb_cnt to MF for E1x */
8531 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008532 bp->igu_sb_cnt /= E1HVN_MAX;
8533
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008534 /*
8535 * adjust E2 sb count: to be removed when FW will support
8536 * more then 16 L2 clients
8537 */
8538#define MAX_L2_CLIENTS 16
8539 if (CHIP_IS_E2(bp))
8540 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8541 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8542
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008543 if (!BP_NOMCP(bp)) {
8544 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008545
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008546 bp->fw_seq =
8547 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8548 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008549 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8550 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008551
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008552 /* Get MAC addresses */
8553 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008554
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008555#ifdef BCM_CNIC
8556 bnx2x_get_cnic_info(bp);
8557#endif
8558
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008559 return rc;
8560}
8561
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008562static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8563{
8564 int cnt, i, block_end, rodi;
8565 char vpd_data[BNX2X_VPD_LEN+1];
8566 char str_id_reg[VENDOR_ID_LEN+1];
8567 char str_id_cap[VENDOR_ID_LEN+1];
8568 u8 len;
8569
8570 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8571 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8572
8573 if (cnt < BNX2X_VPD_LEN)
8574 goto out_not_found;
8575
8576 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8577 PCI_VPD_LRDT_RO_DATA);
8578 if (i < 0)
8579 goto out_not_found;
8580
8581
8582 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8583 pci_vpd_lrdt_size(&vpd_data[i]);
8584
8585 i += PCI_VPD_LRDT_TAG_SIZE;
8586
8587 if (block_end > BNX2X_VPD_LEN)
8588 goto out_not_found;
8589
8590 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8591 PCI_VPD_RO_KEYWORD_MFR_ID);
8592 if (rodi < 0)
8593 goto out_not_found;
8594
8595 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8596
8597 if (len != VENDOR_ID_LEN)
8598 goto out_not_found;
8599
8600 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8601
8602 /* vendor specific info */
8603 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8604 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8605 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8606 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8607
8608 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8609 PCI_VPD_RO_KEYWORD_VENDOR0);
8610 if (rodi >= 0) {
8611 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8612
8613 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8614
8615 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8616 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8617 bp->fw_ver[len] = ' ';
8618 }
8619 }
8620 return;
8621 }
8622out_not_found:
8623 return;
8624}
8625
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008626static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8627{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008628 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008629 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008630 int rc;
8631
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008632 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008633 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008634 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008635#ifdef BCM_CNIC
8636 mutex_init(&bp->cnic_mutex);
8637#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008638
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008639 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008640 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008641
8642 rc = bnx2x_get_hwinfo(bp);
8643
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008644 if (!rc)
8645 rc = bnx2x_alloc_mem_bp(bp);
8646
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008647 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008648
8649 func = BP_FUNC(bp);
8650
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008651 /* need to reset chip if undi was active */
8652 if (!BP_NOMCP(bp))
8653 bnx2x_undi_unload(bp);
8654
8655 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008656 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008657
8658 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008659 dev_err(&bp->pdev->dev, "MCP disabled, "
8660 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008661
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008662 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008663 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008664
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008665 /* Set TPA flags */
8666 if (disable_tpa) {
8667 bp->flags &= ~TPA_ENABLE_FLAG;
8668 bp->dev->features &= ~NETIF_F_LRO;
8669 } else {
8670 bp->flags |= TPA_ENABLE_FLAG;
8671 bp->dev->features |= NETIF_F_LRO;
8672 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008673 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008674
Eilon Greensteina18f5122009-08-12 08:23:26 +00008675 if (CHIP_IS_E1(bp))
8676 bp->dropless_fc = 0;
8677 else
8678 bp->dropless_fc = dropless_fc;
8679
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008680 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008681
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008682 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008683
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008684 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008685 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8686 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008687
Eilon Greenstein87942b42009-02-12 08:36:49 +00008688 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8689 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008690
8691 init_timer(&bp->timer);
8692 bp->timer.expires = jiffies + bp->current_interval;
8693 bp->timer.data = (unsigned long) bp;
8694 bp->timer.function = bnx2x_timer;
8695
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008696 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008697 bnx2x_dcbx_init_params(bp);
8698
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008699 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008700}
8701
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008702
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008703/****************************************************************************
8704* General service functions
8705****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008706
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008707/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008708static int bnx2x_open(struct net_device *dev)
8709{
8710 struct bnx2x *bp = netdev_priv(dev);
8711
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008712 netif_carrier_off(dev);
8713
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008714 bnx2x_set_power_state(bp, PCI_D0);
8715
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008716 if (!bnx2x_reset_is_done(bp)) {
8717 do {
8718 /* Reset MCP mail box sequence if there is on going
8719 * recovery
8720 */
8721 bp->fw_seq = 0;
8722
8723 /* If it's the first function to load and reset done
8724 * is still not cleared it may mean that. We don't
8725 * check the attention state here because it may have
8726 * already been cleared by a "common" reset but we
8727 * shell proceed with "process kill" anyway.
8728 */
8729 if ((bnx2x_get_load_cnt(bp) == 0) &&
8730 bnx2x_trylock_hw_lock(bp,
8731 HW_LOCK_RESOURCE_RESERVED_08) &&
8732 (!bnx2x_leader_reset(bp))) {
8733 DP(NETIF_MSG_HW, "Recovered in open\n");
8734 break;
8735 }
8736
8737 bnx2x_set_power_state(bp, PCI_D3hot);
8738
8739 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8740 " completed yet. Try again later. If u still see this"
8741 " message after a few retries then power cycle is"
8742 " required.\n", bp->dev->name);
8743
8744 return -EAGAIN;
8745 } while (0);
8746 }
8747
8748 bp->recovery_state = BNX2X_RECOVERY_DONE;
8749
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008750 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008751}
8752
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008753/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008754static int bnx2x_close(struct net_device *dev)
8755{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008756 struct bnx2x *bp = netdev_priv(dev);
8757
8758 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008759 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008760 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008761
8762 return 0;
8763}
8764
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008765#define E1_MAX_UC_LIST 29
8766#define E1H_MAX_UC_LIST 30
8767#define E2_MAX_UC_LIST 14
8768static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
8769{
8770 if (CHIP_IS_E1(bp))
8771 return E1_MAX_UC_LIST;
8772 else if (CHIP_IS_E1H(bp))
8773 return E1H_MAX_UC_LIST;
8774 else
8775 return E2_MAX_UC_LIST;
8776}
8777
8778
8779static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
8780{
8781 if (CHIP_IS_E1(bp))
8782 /* CAM Entries for Port0:
8783 * 0 - prim ETH MAC
8784 * 1 - BCAST MAC
8785 * 2 - iSCSI L2 ring ETH MAC
8786 * 3-31 - UC MACs
8787 *
8788 * Port1 entries are allocated the same way starting from
8789 * entry 32.
8790 */
8791 return 3 + 32 * BP_PORT(bp);
8792 else if (CHIP_IS_E1H(bp)) {
8793 /* CAM Entries:
8794 * 0-7 - prim ETH MAC for each function
8795 * 8-15 - iSCSI L2 ring ETH MAC for each function
8796 * 16 till 255 UC MAC lists for each function
8797 *
8798 * Remark: There is no FCoE support for E1H, thus FCoE related
8799 * MACs are not considered.
8800 */
8801 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
8802 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
8803 } else {
8804 /* CAM Entries (there is a separate CAM per engine):
8805 * 0-4 - prim ETH MAC for each function
8806 * 4-7 - iSCSI L2 ring ETH MAC for each function
8807 * 8-11 - FIP ucast L2 MAC for each function
8808 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
8809 * 16 till 71 UC MAC lists for each function
8810 */
8811 u8 func_idx =
8812 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
8813
8814 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
8815 bnx2x_max_uc_list(bp) * func_idx;
8816 }
8817}
8818
8819/* set uc list, do not wait as wait implies sleep and
8820 * set_rx_mode can be invoked from non-sleepable context.
8821 *
8822 * Instead we use the same ramrod data buffer each time we need
8823 * to configure a list of addresses, and use the fact that the
8824 * list of MACs is changed in an incremental way and that the
8825 * function is called under the netif_addr_lock. A temporary
8826 * inconsistent CAM configuration (possible in case of very fast
8827 * sequence of add/del/add on the host side) will shortly be
8828 * restored by the handler of the last ramrod.
8829 */
8830static int bnx2x_set_uc_list(struct bnx2x *bp)
8831{
8832 int i = 0, old;
8833 struct net_device *dev = bp->dev;
8834 u8 offset = bnx2x_uc_list_cam_offset(bp);
8835 struct netdev_hw_addr *ha;
8836 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8837 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8838
8839 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
8840 return -EINVAL;
8841
8842 netdev_for_each_uc_addr(ha, dev) {
8843 /* copy mac */
8844 config_cmd->config_table[i].msb_mac_addr =
8845 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
8846 config_cmd->config_table[i].middle_mac_addr =
8847 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
8848 config_cmd->config_table[i].lsb_mac_addr =
8849 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
8850
8851 config_cmd->config_table[i].vlan_id = 0;
8852 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
8853 config_cmd->config_table[i].clients_bit_vector =
8854 cpu_to_le32(1 << BP_L_ID(bp));
8855
8856 SET_FLAG(config_cmd->config_table[i].flags,
8857 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8858 T_ETH_MAC_COMMAND_SET);
8859
8860 DP(NETIF_MSG_IFUP,
8861 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
8862 config_cmd->config_table[i].msb_mac_addr,
8863 config_cmd->config_table[i].middle_mac_addr,
8864 config_cmd->config_table[i].lsb_mac_addr);
8865
8866 i++;
8867
8868 /* Set uc MAC in NIG */
8869 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
8870 LLH_CAM_ETH_LINE + i);
8871 }
8872 old = config_cmd->hdr.length;
8873 if (old > i) {
8874 for (; i < old; i++) {
8875 if (CAM_IS_INVALID(config_cmd->
8876 config_table[i])) {
8877 /* already invalidated */
8878 break;
8879 }
8880 /* invalidate */
8881 SET_FLAG(config_cmd->config_table[i].flags,
8882 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8883 T_ETH_MAC_COMMAND_INVALIDATE);
8884 }
8885 }
8886
8887 wmb();
8888
8889 config_cmd->hdr.length = i;
8890 config_cmd->hdr.offset = offset;
8891 config_cmd->hdr.client_id = 0xff;
8892 /* Mark that this ramrod doesn't use bp->set_mac_pending for
8893 * synchronization.
8894 */
8895 config_cmd->hdr.echo = 0;
8896
8897 mb();
8898
8899 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8900 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8901
8902}
8903
8904void bnx2x_invalidate_uc_list(struct bnx2x *bp)
8905{
8906 int i;
8907 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8908 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8909 int ramrod_flags = WAIT_RAMROD_COMMON;
8910 u8 offset = bnx2x_uc_list_cam_offset(bp);
8911 u8 max_list_size = bnx2x_max_uc_list(bp);
8912
8913 for (i = 0; i < max_list_size; i++) {
8914 SET_FLAG(config_cmd->config_table[i].flags,
8915 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8916 T_ETH_MAC_COMMAND_INVALIDATE);
8917 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
8918 }
8919
8920 wmb();
8921
8922 config_cmd->hdr.length = max_list_size;
8923 config_cmd->hdr.offset = offset;
8924 config_cmd->hdr.client_id = 0xff;
8925 /* We'll wait for a completion this time... */
8926 config_cmd->hdr.echo = 1;
8927
8928 bp->set_mac_pending = 1;
8929
8930 mb();
8931
8932 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8933 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8934
8935 /* Wait for a completion */
8936 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
8937 ramrod_flags);
8938
8939}
8940
8941static inline int bnx2x_set_mc_list(struct bnx2x *bp)
8942{
8943 /* some multicasts */
8944 if (CHIP_IS_E1(bp)) {
8945 return bnx2x_set_e1_mc_list(bp);
8946 } else { /* E1H and newer */
8947 return bnx2x_set_e1h_mc_list(bp);
8948 }
8949}
8950
Eilon Greensteinf5372252009-02-12 08:38:30 +00008951/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008952void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008953{
8954 struct bnx2x *bp = netdev_priv(dev);
8955 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008956
8957 if (bp->state != BNX2X_STATE_OPEN) {
8958 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8959 return;
8960 }
8961
8962 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8963
8964 if (dev->flags & IFF_PROMISC)
8965 rx_mode = BNX2X_RX_MODE_PROMISC;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008966 else if (dev->flags & IFF_ALLMULTI)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008967 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008968 else {
8969 /* some multicasts */
8970 if (bnx2x_set_mc_list(bp))
8971 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008972
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008973 /* some unicasts */
8974 if (bnx2x_set_uc_list(bp))
8975 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008976 }
8977
8978 bp->rx_mode = rx_mode;
8979 bnx2x_set_storm_rx_mode(bp);
8980}
8981
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008982/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008983static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8984 int devad, u16 addr)
8985{
8986 struct bnx2x *bp = netdev_priv(netdev);
8987 u16 value;
8988 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008989
8990 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
8991 prtad, devad, addr);
8992
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008993 /* The HW expects different devad if CL22 is used */
8994 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
8995
8996 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00008997 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008998 bnx2x_release_phy_lock(bp);
8999 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
9000
9001 if (!rc)
9002 rc = value;
9003 return rc;
9004}
9005
9006/* called with rtnl_lock */
9007static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
9008 u16 addr, u16 value)
9009{
9010 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009011 int rc;
9012
9013 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9014 " value 0x%x\n", prtad, devad, addr, value);
9015
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009016 /* The HW expects different devad if CL22 is used */
9017 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9018
9019 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009020 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009021 bnx2x_release_phy_lock(bp);
9022 return rc;
9023}
9024
9025/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009026static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9027{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009028 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009029 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009030
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009031 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9032 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009033
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009034 if (!netif_running(dev))
9035 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009036
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009037 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009038}
9039
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009040#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009041static void poll_bnx2x(struct net_device *dev)
9042{
9043 struct bnx2x *bp = netdev_priv(dev);
9044
9045 disable_irq(bp->pdev->irq);
9046 bnx2x_interrupt(bp->pdev->irq, dev);
9047 enable_irq(bp->pdev->irq);
9048}
9049#endif
9050
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009051static const struct net_device_ops bnx2x_netdev_ops = {
9052 .ndo_open = bnx2x_open,
9053 .ndo_stop = bnx2x_close,
9054 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009055 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009056 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009057 .ndo_set_mac_address = bnx2x_change_mac_addr,
9058 .ndo_validate_addr = eth_validate_addr,
9059 .ndo_do_ioctl = bnx2x_ioctl,
9060 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +00009061 .ndo_fix_features = bnx2x_fix_features,
9062 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009063 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009064#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009065 .ndo_poll_controller = poll_bnx2x,
9066#endif
9067};
9068
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009069static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9070 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009071{
9072 struct bnx2x *bp;
9073 int rc;
9074
9075 SET_NETDEV_DEV(dev, &pdev->dev);
9076 bp = netdev_priv(dev);
9077
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009078 bp->dev = dev;
9079 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009080 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009081 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009082
9083 rc = pci_enable_device(pdev);
9084 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009085 dev_err(&bp->pdev->dev,
9086 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009087 goto err_out;
9088 }
9089
9090 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009091 dev_err(&bp->pdev->dev,
9092 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009093 rc = -ENODEV;
9094 goto err_out_disable;
9095 }
9096
9097 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009098 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9099 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009100 rc = -ENODEV;
9101 goto err_out_disable;
9102 }
9103
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009104 if (atomic_read(&pdev->enable_cnt) == 1) {
9105 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9106 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009107 dev_err(&bp->pdev->dev,
9108 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009109 goto err_out_disable;
9110 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009111
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009112 pci_set_master(pdev);
9113 pci_save_state(pdev);
9114 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009115
9116 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9117 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009118 dev_err(&bp->pdev->dev,
9119 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009120 rc = -EIO;
9121 goto err_out_release;
9122 }
9123
9124 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9125 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009126 dev_err(&bp->pdev->dev,
9127 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009128 rc = -EIO;
9129 goto err_out_release;
9130 }
9131
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009132 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009133 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009134 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009135 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9136 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009137 rc = -EIO;
9138 goto err_out_release;
9139 }
9140
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009141 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009142 dev_err(&bp->pdev->dev,
9143 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009144 rc = -EIO;
9145 goto err_out_release;
9146 }
9147
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009148 dev->mem_start = pci_resource_start(pdev, 0);
9149 dev->base_addr = dev->mem_start;
9150 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009151
9152 dev->irq = pdev->irq;
9153
Arjan van de Ven275f1652008-10-20 21:42:39 -07009154 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009155 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009156 dev_err(&bp->pdev->dev,
9157 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009158 rc = -ENOMEM;
9159 goto err_out_release;
9160 }
9161
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009162 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009163 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009164 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009165 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009166 dev_err(&bp->pdev->dev,
9167 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009168 rc = -ENOMEM;
9169 goto err_out_unmap;
9170 }
9171
9172 bnx2x_set_power_state(bp, PCI_D0);
9173
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009174 /* clean indirect addresses */
9175 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9176 PCICFG_VENDOR_ID_OFFSET);
9177 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9178 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9179 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9180 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009181
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009182 /* Reset the load counter */
9183 bnx2x_clear_load_cnt(bp);
9184
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009185 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009186
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009187 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009188 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +00009189
9190 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9191 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
9192 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX;
9193
9194 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9195 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
9196
9197 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009198 if (bp->flags & USING_DAC_FLAG)
9199 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009200
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +00009201 /* Add Loopback capability to the device */
9202 dev->hw_features |= NETIF_F_LOOPBACK;
9203
Shmulik Ravid98507672011-02-28 12:19:55 -08009204#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009205 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9206#endif
9207
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009208 /* get_port_hwinfo() will set prtad and mmds properly */
9209 bp->mdio.prtad = MDIO_PRTAD_NONE;
9210 bp->mdio.mmds = 0;
9211 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9212 bp->mdio.dev = dev;
9213 bp->mdio.mdio_read = bnx2x_mdio_read;
9214 bp->mdio.mdio_write = bnx2x_mdio_write;
9215
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009216 return 0;
9217
9218err_out_unmap:
9219 if (bp->regview) {
9220 iounmap(bp->regview);
9221 bp->regview = NULL;
9222 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009223 if (bp->doorbells) {
9224 iounmap(bp->doorbells);
9225 bp->doorbells = NULL;
9226 }
9227
9228err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009229 if (atomic_read(&pdev->enable_cnt) == 1)
9230 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009231
9232err_out_disable:
9233 pci_disable_device(pdev);
9234 pci_set_drvdata(pdev, NULL);
9235
9236err_out:
9237 return rc;
9238}
9239
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009240static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9241 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009242{
9243 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9244
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009245 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9246
9247 /* return value of 1=2.5GHz 2=5GHz */
9248 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009249}
9250
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009251static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009252{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009253 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009254 struct bnx2x_fw_file_hdr *fw_hdr;
9255 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009256 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009257 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009258 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009259 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009260
9261 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9262 return -EINVAL;
9263
9264 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9265 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9266
9267 /* Make sure none of the offsets and sizes make us read beyond
9268 * the end of the firmware data */
9269 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9270 offset = be32_to_cpu(sections[i].offset);
9271 len = be32_to_cpu(sections[i].len);
9272 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009273 dev_err(&bp->pdev->dev,
9274 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009275 return -EINVAL;
9276 }
9277 }
9278
9279 /* Likewise for the init_ops offsets */
9280 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9281 ops_offsets = (u16 *)(firmware->data + offset);
9282 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9283
9284 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9285 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009286 dev_err(&bp->pdev->dev,
9287 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009288 return -EINVAL;
9289 }
9290 }
9291
9292 /* Check FW version */
9293 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9294 fw_ver = firmware->data + offset;
9295 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9296 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9297 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9298 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009299 dev_err(&bp->pdev->dev,
9300 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009301 fw_ver[0], fw_ver[1], fw_ver[2],
9302 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9303 BCM_5710_FW_MINOR_VERSION,
9304 BCM_5710_FW_REVISION_VERSION,
9305 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009306 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009307 }
9308
9309 return 0;
9310}
9311
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009312static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009313{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009314 const __be32 *source = (const __be32 *)_source;
9315 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009316 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009317
9318 for (i = 0; i < n/4; i++)
9319 target[i] = be32_to_cpu(source[i]);
9320}
9321
9322/*
9323 Ops array is stored in the following format:
9324 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9325 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009326static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009327{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009328 const __be32 *source = (const __be32 *)_source;
9329 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009330 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009331
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009332 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009333 tmp = be32_to_cpu(source[j]);
9334 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009335 target[i].offset = tmp & 0xffffff;
9336 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009337 }
9338}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009339
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009340/**
9341 * IRO array is stored in the following format:
9342 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9343 */
9344static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9345{
9346 const __be32 *source = (const __be32 *)_source;
9347 struct iro *target = (struct iro *)_target;
9348 u32 i, j, tmp;
9349
9350 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9351 target[i].base = be32_to_cpu(source[j]);
9352 j++;
9353 tmp = be32_to_cpu(source[j]);
9354 target[i].m1 = (tmp >> 16) & 0xffff;
9355 target[i].m2 = tmp & 0xffff;
9356 j++;
9357 tmp = be32_to_cpu(source[j]);
9358 target[i].m3 = (tmp >> 16) & 0xffff;
9359 target[i].size = tmp & 0xffff;
9360 j++;
9361 }
9362}
9363
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009364static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009365{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009366 const __be16 *source = (const __be16 *)_source;
9367 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009368 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009369
9370 for (i = 0; i < n/2; i++)
9371 target[i] = be16_to_cpu(source[i]);
9372}
9373
Joe Perches7995c642010-02-17 15:01:52 +00009374#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9375do { \
9376 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9377 bp->arr = kmalloc(len, GFP_KERNEL); \
9378 if (!bp->arr) { \
9379 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9380 goto lbl; \
9381 } \
9382 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9383 (u8 *)bp->arr, len); \
9384} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009385
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009386int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009387{
Ben Hutchings45229b42009-11-07 11:53:39 +00009388 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009389 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009390 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009391
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009392 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009393 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009394 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009395 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009396 else if (CHIP_IS_E2(bp))
9397 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009398 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009399 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009400 return -EINVAL;
9401 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009402
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009403 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009404
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009405 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009406 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009407 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009408 goto request_firmware_exit;
9409 }
9410
9411 rc = bnx2x_check_firmware(bp);
9412 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009413 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009414 goto request_firmware_exit;
9415 }
9416
9417 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9418
9419 /* Initialize the pointers to the init arrays */
9420 /* Blob */
9421 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9422
9423 /* Opcodes */
9424 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9425
9426 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009427 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9428 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009429
9430 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009431 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9432 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9433 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9434 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9435 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9436 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9437 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9438 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9439 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9440 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9441 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9442 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9443 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9444 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9445 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9446 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009447 /* IRO */
9448 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009449
9450 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009451
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009452iro_alloc_err:
9453 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009454init_offsets_alloc_err:
9455 kfree(bp->init_ops);
9456init_ops_alloc_err:
9457 kfree(bp->init_data);
9458request_firmware_exit:
9459 release_firmware(bp->firmware);
9460
9461 return rc;
9462}
9463
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009464static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9465{
9466 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009467
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009468#ifdef BCM_CNIC
9469 cid_count += CNIC_CID_MAX;
9470#endif
9471 return roundup(cid_count, QM_CID_ROUND);
9472}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009473
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009474static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9475 const struct pci_device_id *ent)
9476{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009477 struct net_device *dev = NULL;
9478 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009479 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009480 int rc, cid_count;
9481
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009482 switch (ent->driver_data) {
9483 case BCM57710:
9484 case BCM57711:
9485 case BCM57711E:
9486 cid_count = FP_SB_MAX_E1x;
9487 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009488
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009489 case BCM57712:
9490 case BCM57712E:
9491 cid_count = FP_SB_MAX_E2;
9492 break;
9493
9494 default:
9495 pr_err("Unknown board_type (%ld), aborting\n",
9496 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009497 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009498 }
9499
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009500 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009501
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009502 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009503 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009504 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009505 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009506 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009507 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009508
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009509 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009510 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009511
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009512 pci_set_drvdata(pdev, dev);
9513
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009514 bp->l2_cid_count = cid_count;
9515
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009516 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009517 if (rc < 0) {
9518 free_netdev(dev);
9519 return rc;
9520 }
9521
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009522 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009523 if (rc)
9524 goto init_one_exit;
9525
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009526 /* calc qm_cid_count */
9527 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9528
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009529#ifdef BCM_CNIC
9530 /* disable FCOE L2 queue for E1x*/
9531 if (CHIP_IS_E1x(bp))
9532 bp->flags |= NO_FCOE_FLAG;
9533
9534#endif
9535
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009536 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009537 * needed, set bp->num_queues appropriately.
9538 */
9539 bnx2x_set_int_mode(bp);
9540
9541 /* Add all NAPI objects */
9542 bnx2x_add_all_napi(bp);
9543
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009544 rc = register_netdev(dev);
9545 if (rc) {
9546 dev_err(&pdev->dev, "Cannot register net device\n");
9547 goto init_one_exit;
9548 }
9549
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009550#ifdef BCM_CNIC
9551 if (!NO_FCOE(bp)) {
9552 /* Add storage MAC address */
9553 rtnl_lock();
9554 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9555 rtnl_unlock();
9556 }
9557#endif
9558
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009559 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009560
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009561 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9562 " IRQ %d, ", board_info[ent->driver_data].name,
9563 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009564 pcie_width,
9565 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9566 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9567 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009568 dev->base_addr, bp->pdev->irq);
9569 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009570
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009571 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009572
9573init_one_exit:
9574 if (bp->regview)
9575 iounmap(bp->regview);
9576
9577 if (bp->doorbells)
9578 iounmap(bp->doorbells);
9579
9580 free_netdev(dev);
9581
9582 if (atomic_read(&pdev->enable_cnt) == 1)
9583 pci_release_regions(pdev);
9584
9585 pci_disable_device(pdev);
9586 pci_set_drvdata(pdev, NULL);
9587
9588 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009589}
9590
9591static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9592{
9593 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009594 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009595
Eliezer Tamir228241e2008-02-28 11:56:57 -08009596 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009597 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009598 return;
9599 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009600 bp = netdev_priv(dev);
9601
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009602#ifdef BCM_CNIC
9603 /* Delete storage MAC address */
9604 if (!NO_FCOE(bp)) {
9605 rtnl_lock();
9606 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9607 rtnl_unlock();
9608 }
9609#endif
9610
Shmulik Ravid98507672011-02-28 12:19:55 -08009611#ifdef BCM_DCBNL
9612 /* Delete app tlvs from dcbnl */
9613 bnx2x_dcbnl_update_applist(bp, true);
9614#endif
9615
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009616 unregister_netdev(dev);
9617
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009618 /* Delete all NAPI objects */
9619 bnx2x_del_all_napi(bp);
9620
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009621 /* Power on: we can't let PCI layer write to us while we are in D3 */
9622 bnx2x_set_power_state(bp, PCI_D0);
9623
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009624 /* Disable MSI/MSI-X */
9625 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009626
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009627 /* Power off */
9628 bnx2x_set_power_state(bp, PCI_D3hot);
9629
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009630 /* Make sure RESET task is not scheduled before continuing */
9631 cancel_delayed_work_sync(&bp->reset_task);
9632
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009633 if (bp->regview)
9634 iounmap(bp->regview);
9635
9636 if (bp->doorbells)
9637 iounmap(bp->doorbells);
9638
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009639 bnx2x_free_mem_bp(bp);
9640
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009641 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009642
9643 if (atomic_read(&pdev->enable_cnt) == 1)
9644 pci_release_regions(pdev);
9645
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009646 pci_disable_device(pdev);
9647 pci_set_drvdata(pdev, NULL);
9648}
9649
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009650static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9651{
9652 int i;
9653
9654 bp->state = BNX2X_STATE_ERROR;
9655
9656 bp->rx_mode = BNX2X_RX_MODE_NONE;
9657
9658 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009659 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009660
9661 del_timer_sync(&bp->timer);
9662 bp->stats_state = STATS_STATE_DISABLED;
9663 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9664
9665 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009666 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009667
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009668 /* Free SKBs, SGEs, TPA pool and driver internals */
9669 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009670
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009671 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009672 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009673
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009674 bnx2x_free_mem(bp);
9675
9676 bp->state = BNX2X_STATE_CLOSED;
9677
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009678 return 0;
9679}
9680
9681static void bnx2x_eeh_recover(struct bnx2x *bp)
9682{
9683 u32 val;
9684
9685 mutex_init(&bp->port.phy_mutex);
9686
9687 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9688 bp->link_params.shmem_base = bp->common.shmem_base;
9689 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9690
9691 if (!bp->common.shmem_base ||
9692 (bp->common.shmem_base < 0xA0000) ||
9693 (bp->common.shmem_base >= 0xC0000)) {
9694 BNX2X_DEV_INFO("MCP not active\n");
9695 bp->flags |= NO_MCP_FLAG;
9696 return;
9697 }
9698
9699 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9700 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9701 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9702 BNX2X_ERR("BAD MCP validity signature\n");
9703
9704 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009705 bp->fw_seq =
9706 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9707 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009708 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9709 }
9710}
9711
Wendy Xiong493adb12008-06-23 20:36:22 -07009712/**
9713 * bnx2x_io_error_detected - called when PCI error is detected
9714 * @pdev: Pointer to PCI device
9715 * @state: The current pci connection state
9716 *
9717 * This function is called after a PCI bus error affecting
9718 * this device has been detected.
9719 */
9720static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9721 pci_channel_state_t state)
9722{
9723 struct net_device *dev = pci_get_drvdata(pdev);
9724 struct bnx2x *bp = netdev_priv(dev);
9725
9726 rtnl_lock();
9727
9728 netif_device_detach(dev);
9729
Dean Nelson07ce50e2009-07-31 09:13:25 +00009730 if (state == pci_channel_io_perm_failure) {
9731 rtnl_unlock();
9732 return PCI_ERS_RESULT_DISCONNECT;
9733 }
9734
Wendy Xiong493adb12008-06-23 20:36:22 -07009735 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009736 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009737
9738 pci_disable_device(pdev);
9739
9740 rtnl_unlock();
9741
9742 /* Request a slot reset */
9743 return PCI_ERS_RESULT_NEED_RESET;
9744}
9745
9746/**
9747 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9748 * @pdev: Pointer to PCI device
9749 *
9750 * Restart the card from scratch, as if from a cold-boot.
9751 */
9752static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9753{
9754 struct net_device *dev = pci_get_drvdata(pdev);
9755 struct bnx2x *bp = netdev_priv(dev);
9756
9757 rtnl_lock();
9758
9759 if (pci_enable_device(pdev)) {
9760 dev_err(&pdev->dev,
9761 "Cannot re-enable PCI device after reset\n");
9762 rtnl_unlock();
9763 return PCI_ERS_RESULT_DISCONNECT;
9764 }
9765
9766 pci_set_master(pdev);
9767 pci_restore_state(pdev);
9768
9769 if (netif_running(dev))
9770 bnx2x_set_power_state(bp, PCI_D0);
9771
9772 rtnl_unlock();
9773
9774 return PCI_ERS_RESULT_RECOVERED;
9775}
9776
9777/**
9778 * bnx2x_io_resume - called when traffic can start flowing again
9779 * @pdev: Pointer to PCI device
9780 *
9781 * This callback is called when the error recovery driver tells us that
9782 * its OK to resume normal operation.
9783 */
9784static void bnx2x_io_resume(struct pci_dev *pdev)
9785{
9786 struct net_device *dev = pci_get_drvdata(pdev);
9787 struct bnx2x *bp = netdev_priv(dev);
9788
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009789 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009790 printk(KERN_ERR "Handling parity error recovery. "
9791 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009792 return;
9793 }
9794
Wendy Xiong493adb12008-06-23 20:36:22 -07009795 rtnl_lock();
9796
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009797 bnx2x_eeh_recover(bp);
9798
Wendy Xiong493adb12008-06-23 20:36:22 -07009799 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009800 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009801
9802 netif_device_attach(dev);
9803
9804 rtnl_unlock();
9805}
9806
9807static struct pci_error_handlers bnx2x_err_handler = {
9808 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009809 .slot_reset = bnx2x_io_slot_reset,
9810 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009811};
9812
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009813static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009814 .name = DRV_MODULE_NAME,
9815 .id_table = bnx2x_pci_tbl,
9816 .probe = bnx2x_init_one,
9817 .remove = __devexit_p(bnx2x_remove_one),
9818 .suspend = bnx2x_suspend,
9819 .resume = bnx2x_resume,
9820 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009821};
9822
9823static int __init bnx2x_init(void)
9824{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009825 int ret;
9826
Joe Perches7995c642010-02-17 15:01:52 +00009827 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009828
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009829 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9830 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009831 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009832 return -ENOMEM;
9833 }
9834
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009835 ret = pci_register_driver(&bnx2x_pci_driver);
9836 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009837 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009838 destroy_workqueue(bnx2x_wq);
9839 }
9840 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009841}
9842
9843static void __exit bnx2x_cleanup(void)
9844{
9845 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009846
9847 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009848}
9849
9850module_init(bnx2x_init);
9851module_exit(bnx2x_cleanup);
9852
Michael Chan993ac7b2009-10-10 13:46:56 +00009853#ifdef BCM_CNIC
9854
9855/* count denotes the number of new completions we have seen */
9856static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9857{
9858 struct eth_spe *spe;
9859
9860#ifdef BNX2X_STOP_ON_ERROR
9861 if (unlikely(bp->panic))
9862 return;
9863#endif
9864
9865 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009866 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009867 bp->cnic_spq_pending -= count;
9868
Michael Chan993ac7b2009-10-10 13:46:56 +00009869
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009870 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9871 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9872 & SPE_HDR_CONN_TYPE) >>
9873 SPE_HDR_CONN_TYPE_SHIFT;
9874
9875 /* Set validation for iSCSI L2 client before sending SETUP
9876 * ramrod
9877 */
9878 if (type == ETH_CONNECTION_TYPE) {
9879 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9880 hdr.conn_and_cmd_data) >>
9881 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9882
9883 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9884 bnx2x_set_ctx_validation(&bp->context.
9885 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9886 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9887 }
9888
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009889 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
9890 * We also check that the number of outstanding
9891 * COMMON ramrods is not more than the EQ and SPQ can
9892 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009893 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009894 if (type == ETH_CONNECTION_TYPE) {
9895 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009896 break;
9897 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009898 atomic_dec(&bp->cq_spq_left);
9899 } else if (type == NONE_CONNECTION_TYPE) {
9900 if (!atomic_read(&bp->eq_spq_left))
9901 break;
9902 else
9903 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009904 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9905 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009906 if (bp->cnic_spq_pending >=
9907 bp->cnic_eth_dev.max_kwqe_pending)
9908 break;
9909 else
9910 bp->cnic_spq_pending++;
9911 } else {
9912 BNX2X_ERR("Unknown SPE type: %d\n", type);
9913 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009914 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009915 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009916
9917 spe = bnx2x_sp_get_next(bp);
9918 *spe = *bp->cnic_kwq_cons;
9919
Michael Chan993ac7b2009-10-10 13:46:56 +00009920 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9921 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9922
9923 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9924 bp->cnic_kwq_cons = bp->cnic_kwq;
9925 else
9926 bp->cnic_kwq_cons++;
9927 }
9928 bnx2x_sp_prod_update(bp);
9929 spin_unlock_bh(&bp->spq_lock);
9930}
9931
9932static int bnx2x_cnic_sp_queue(struct net_device *dev,
9933 struct kwqe_16 *kwqes[], u32 count)
9934{
9935 struct bnx2x *bp = netdev_priv(dev);
9936 int i;
9937
9938#ifdef BNX2X_STOP_ON_ERROR
9939 if (unlikely(bp->panic))
9940 return -EIO;
9941#endif
9942
9943 spin_lock_bh(&bp->spq_lock);
9944
9945 for (i = 0; i < count; i++) {
9946 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9947
9948 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9949 break;
9950
9951 *bp->cnic_kwq_prod = *spe;
9952
9953 bp->cnic_kwq_pending++;
9954
9955 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9956 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009957 spe->data.update_data_addr.hi,
9958 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +00009959 bp->cnic_kwq_pending);
9960
9961 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9962 bp->cnic_kwq_prod = bp->cnic_kwq;
9963 else
9964 bp->cnic_kwq_prod++;
9965 }
9966
9967 spin_unlock_bh(&bp->spq_lock);
9968
9969 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9970 bnx2x_cnic_sp_post(bp, 0);
9971
9972 return i;
9973}
9974
9975static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9976{
9977 struct cnic_ops *c_ops;
9978 int rc = 0;
9979
9980 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +00009981 c_ops = rcu_dereference_protected(bp->cnic_ops,
9982 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +00009983 if (c_ops)
9984 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9985 mutex_unlock(&bp->cnic_mutex);
9986
9987 return rc;
9988}
9989
9990static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9991{
9992 struct cnic_ops *c_ops;
9993 int rc = 0;
9994
9995 rcu_read_lock();
9996 c_ops = rcu_dereference(bp->cnic_ops);
9997 if (c_ops)
9998 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9999 rcu_read_unlock();
10000
10001 return rc;
10002}
10003
10004/*
10005 * for commands that have no data
10006 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010007int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000010008{
10009 struct cnic_ctl_info ctl = {0};
10010
10011 ctl.cmd = cmd;
10012
10013 return bnx2x_cnic_ctl_send(bp, &ctl);
10014}
10015
10016static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10017{
10018 struct cnic_ctl_info ctl;
10019
10020 /* first we tell CNIC and only then we count this as a completion */
10021 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10022 ctl.data.comp.cid = cid;
10023
10024 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010025 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010026}
10027
10028static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10029{
10030 struct bnx2x *bp = netdev_priv(dev);
10031 int rc = 0;
10032
10033 switch (ctl->cmd) {
10034 case DRV_CTL_CTXTBL_WR_CMD: {
10035 u32 index = ctl->data.io.offset;
10036 dma_addr_t addr = ctl->data.io.dma_addr;
10037
10038 bnx2x_ilt_wr(bp, index, addr);
10039 break;
10040 }
10041
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010042 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10043 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010044
10045 bnx2x_cnic_sp_post(bp, count);
10046 break;
10047 }
10048
10049 /* rtnl_lock is held. */
10050 case DRV_CTL_START_L2_CMD: {
10051 u32 cli = ctl->data.ring.client_id;
10052
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010053 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10054 bnx2x_del_fcoe_eth_macs(bp);
10055
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010056 /* Set iSCSI MAC address */
10057 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10058
10059 mmiowb();
10060 barrier();
10061
10062 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10063 * because it's the only way for UIO Client to accept
10064 * multicasts (in non-promiscuous mode only one Client per
10065 * function will receive multicast packets (leading in our
10066 * case).
10067 */
10068 bnx2x_rxq_set_mac_filters(bp, cli,
10069 BNX2X_ACCEPT_UNICAST |
10070 BNX2X_ACCEPT_BROADCAST |
10071 BNX2X_ACCEPT_ALL_MULTICAST);
10072 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10073
Michael Chan993ac7b2009-10-10 13:46:56 +000010074 break;
10075 }
10076
10077 /* rtnl_lock is held. */
10078 case DRV_CTL_STOP_L2_CMD: {
10079 u32 cli = ctl->data.ring.client_id;
10080
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010081 /* Stop accepting on iSCSI L2 ring */
10082 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10083 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10084
10085 mmiowb();
10086 barrier();
10087
10088 /* Unset iSCSI L2 MAC */
10089 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010090 break;
10091 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010092 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10093 int count = ctl->data.credit.credit_count;
10094
10095 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010096 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010097 smp_mb__after_atomic_inc();
10098 break;
10099 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010100
Dmitry Kravkovfab0dc82011-03-31 17:04:22 -070010101 case DRV_CTL_ISCSI_STOPPED_CMD: {
10102 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
10103 break;
10104 }
10105
Michael Chan993ac7b2009-10-10 13:46:56 +000010106 default:
10107 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10108 rc = -EINVAL;
10109 }
10110
10111 return rc;
10112}
10113
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010114void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010115{
10116 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10117
10118 if (bp->flags & USING_MSIX_FLAG) {
10119 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10120 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10121 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10122 } else {
10123 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10124 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10125 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010126 if (CHIP_IS_E2(bp))
10127 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10128 else
10129 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10130
Michael Chan993ac7b2009-10-10 13:46:56 +000010131 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010132 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010133 cp->irq_arr[1].status_blk = bp->def_status_blk;
10134 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010135 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010136
10137 cp->num_irq = 2;
10138}
10139
10140static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10141 void *data)
10142{
10143 struct bnx2x *bp = netdev_priv(dev);
10144 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10145
10146 if (ops == NULL)
10147 return -EINVAL;
10148
Michael Chan993ac7b2009-10-10 13:46:56 +000010149 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10150 if (!bp->cnic_kwq)
10151 return -ENOMEM;
10152
10153 bp->cnic_kwq_cons = bp->cnic_kwq;
10154 bp->cnic_kwq_prod = bp->cnic_kwq;
10155 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10156
10157 bp->cnic_spq_pending = 0;
10158 bp->cnic_kwq_pending = 0;
10159
10160 bp->cnic_data = data;
10161
10162 cp->num_irq = 0;
10163 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010164 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010165
Michael Chan993ac7b2009-10-10 13:46:56 +000010166 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010167
Michael Chan993ac7b2009-10-10 13:46:56 +000010168 rcu_assign_pointer(bp->cnic_ops, ops);
10169
10170 return 0;
10171}
10172
10173static int bnx2x_unregister_cnic(struct net_device *dev)
10174{
10175 struct bnx2x *bp = netdev_priv(dev);
10176 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10177
10178 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010179 cp->drv_state = 0;
10180 rcu_assign_pointer(bp->cnic_ops, NULL);
10181 mutex_unlock(&bp->cnic_mutex);
10182 synchronize_rcu();
10183 kfree(bp->cnic_kwq);
10184 bp->cnic_kwq = NULL;
10185
10186 return 0;
10187}
10188
10189struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10190{
10191 struct bnx2x *bp = netdev_priv(dev);
10192 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10193
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010194 /* If both iSCSI and FCoE are disabled - return NULL in
10195 * order to indicate CNIC that it should not try to work
10196 * with this device.
10197 */
10198 if (NO_ISCSI(bp) && NO_FCOE(bp))
10199 return NULL;
10200
Michael Chan993ac7b2009-10-10 13:46:56 +000010201 cp->drv_owner = THIS_MODULE;
10202 cp->chip_id = CHIP_ID(bp);
10203 cp->pdev = bp->pdev;
10204 cp->io_base = bp->regview;
10205 cp->io_base2 = bp->doorbells;
10206 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010207 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010208 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10209 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010210 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010211 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010212 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10213 cp->drv_ctl = bnx2x_drv_ctl;
10214 cp->drv_register_cnic = bnx2x_register_cnic;
10215 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010216 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10217 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10218 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010219 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010220
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010221 if (NO_ISCSI_OOO(bp))
10222 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10223
10224 if (NO_ISCSI(bp))
10225 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10226
10227 if (NO_FCOE(bp))
10228 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10229
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010230 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10231 "starting cid %d\n",
10232 cp->ctx_blk_size,
10233 cp->ctx_tbl_offset,
10234 cp->ctx_tbl_len,
10235 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010236 return cp;
10237}
10238EXPORT_SYMBOL(bnx2x_cnic_probe);
10239
10240#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010241