blob: 3c06b1400397247527c29d7cee8be0b63b62b0eb [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Dmitry Kravkov5de92402011-05-04 23:51:13 +00003 * Copyright (c) 2007-2011 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
Eilon Greensteinca003922009-08-12 22:53:28 -070013 * Slowpath and fastpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020026#include <linux/interrupt.h>
27#include <linux/pci.h>
28#include <linux/init.h>
29#include <linux/netdevice.h>
30#include <linux/etherdevice.h>
31#include <linux/skbuff.h>
32#include <linux/dma-mapping.h>
33#include <linux/bitops.h>
34#include <linux/irq.h>
35#include <linux/delay.h>
36#include <asm/byteorder.h>
37#include <linux/time.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080040#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020041#include <net/ip.h>
42#include <net/tcp.h>
43#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070044#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <linux/workqueue.h>
46#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/prefetch.h>
49#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020050#include <linux/io.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000051#include <linux/stringify.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020052
Dmitry Kravkovb0efbb92010-07-27 12:33:43 +000053#define BNX2X_MAIN
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020054#include "bnx2x.h"
55#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070056#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000057#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000058#include "bnx2x_dcb.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020059
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include <linux/firmware.h>
61#include "bnx2x_fw_file_hdr.h"
62/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000063#define FW_FILE_VERSION \
64 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
65 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
66 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
67 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000068#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
69#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000070#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070071
Eilon Greenstein34f80b02008-06-23 20:33:01 -070072/* Time in jiffies before concluding the transmitter is hung */
73#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020074
Andrew Morton53a10562008-02-09 23:16:41 -080075static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070076 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020077 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
78
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070079MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000080MODULE_DESCRIPTION("Broadcom NetXtreme II "
81 "BCM57710/57711/57711E/57712/57712E Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082MODULE_LICENSE("GPL");
83MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000084MODULE_FIRMWARE(FW_FILE_NAME_E1);
85MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000086MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020087
Eilon Greenstein555f6c72009-02-12 08:36:11 +000088static int multi_mode = 1;
89module_param(multi_mode, int, 0);
Eilon Greensteinca003922009-08-12 22:53:28 -070090MODULE_PARM_DESC(multi_mode, " Multi queue mode "
91 "(0 Disable; 1 Enable (default))");
92
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000093int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000094module_param(num_queues, int, 0);
95MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
96 " (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +000097
Eilon Greenstein19680c42008-08-13 15:47:33 -070098static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -070099module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000100MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000101
102static int int_mode;
103module_param(int_mode, int, 0);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000104MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
105 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
Eilon Greensteina18f5122009-08-12 08:23:26 +0000107static int dropless_fc;
108module_param(dropless_fc, int, 0);
109MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
110
Eilon Greenstein9898f862009-02-12 08:38:27 +0000111static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200112module_param(poll, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000113MODULE_PARM_DESC(poll, " Use polling (for debug)");
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000114
115static int mrrs = -1;
116module_param(mrrs, int, 0);
117MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
118
Eilon Greenstein9898f862009-02-12 08:38:27 +0000119static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200120module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000121MODULE_PARM_DESC(debug, " Default debug msglevel");
122
Eilon Greenstein1cf167f2009-01-14 21:22:18 -0800123static struct workqueue_struct *bnx2x_wq;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200124
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000125#ifdef BCM_CNIC
126static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
127#endif
128
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200129enum bnx2x_board_type {
130 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700131 BCM57711 = 1,
132 BCM57711E = 2,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000133 BCM57712 = 3,
134 BCM57712E = 4
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200135};
136
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700137/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800138static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200139 char *name;
140} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700141 { "Broadcom NetXtreme II BCM57710 XGb" },
142 { "Broadcom NetXtreme II BCM57711 XGb" },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000143 { "Broadcom NetXtreme II BCM57711E XGb" },
144 { "Broadcom NetXtreme II BCM57712 XGb" },
145 { "Broadcom NetXtreme II BCM57712E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200146};
147
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000148static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000149 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
150 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
151 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000152 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
153 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200154 { 0 }
155};
156
157MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
158
159/****************************************************************************
160* General service functions
161****************************************************************************/
162
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000163static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
164 u32 addr, dma_addr_t mapping)
165{
166 REG_WR(bp, addr, U64_LO(mapping));
167 REG_WR(bp, addr + 4, U64_HI(mapping));
168}
169
170static inline void __storm_memset_fill(struct bnx2x *bp,
171 u32 addr, size_t size, u32 val)
172{
173 int i;
174 for (i = 0; i < size/4; i++)
175 REG_WR(bp, addr + (i * 4), val);
176}
177
178static inline void storm_memset_ustats_zero(struct bnx2x *bp,
179 u8 port, u16 stat_id)
180{
181 size_t size = sizeof(struct ustorm_per_client_stats);
182
183 u32 addr = BAR_USTRORM_INTMEM +
184 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
185
186 __storm_memset_fill(bp, addr, size, 0);
187}
188
189static inline void storm_memset_tstats_zero(struct bnx2x *bp,
190 u8 port, u16 stat_id)
191{
192 size_t size = sizeof(struct tstorm_per_client_stats);
193
194 u32 addr = BAR_TSTRORM_INTMEM +
195 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
196
197 __storm_memset_fill(bp, addr, size, 0);
198}
199
200static inline void storm_memset_xstats_zero(struct bnx2x *bp,
201 u8 port, u16 stat_id)
202{
203 size_t size = sizeof(struct xstorm_per_client_stats);
204
205 u32 addr = BAR_XSTRORM_INTMEM +
206 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
207
208 __storm_memset_fill(bp, addr, size, 0);
209}
210
211
212static inline void storm_memset_spq_addr(struct bnx2x *bp,
213 dma_addr_t mapping, u16 abs_fid)
214{
215 u32 addr = XSEM_REG_FAST_MEMORY +
216 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
217
218 __storm_memset_dma_mapping(bp, addr, mapping);
219}
220
221static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
222{
223 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
224}
225
226static inline void storm_memset_func_cfg(struct bnx2x *bp,
227 struct tstorm_eth_function_common_config *tcfg,
228 u16 abs_fid)
229{
230 size_t size = sizeof(struct tstorm_eth_function_common_config);
231
232 u32 addr = BAR_TSTRORM_INTMEM +
233 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
234
235 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
236}
237
238static inline void storm_memset_xstats_flags(struct bnx2x *bp,
239 struct stats_indication_flags *flags,
240 u16 abs_fid)
241{
242 size_t size = sizeof(struct stats_indication_flags);
243
244 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
245
246 __storm_memset_struct(bp, addr, size, (u32 *)flags);
247}
248
249static inline void storm_memset_tstats_flags(struct bnx2x *bp,
250 struct stats_indication_flags *flags,
251 u16 abs_fid)
252{
253 size_t size = sizeof(struct stats_indication_flags);
254
255 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
256
257 __storm_memset_struct(bp, addr, size, (u32 *)flags);
258}
259
260static inline void storm_memset_ustats_flags(struct bnx2x *bp,
261 struct stats_indication_flags *flags,
262 u16 abs_fid)
263{
264 size_t size = sizeof(struct stats_indication_flags);
265
266 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
267
268 __storm_memset_struct(bp, addr, size, (u32 *)flags);
269}
270
271static inline void storm_memset_cstats_flags(struct bnx2x *bp,
272 struct stats_indication_flags *flags,
273 u16 abs_fid)
274{
275 size_t size = sizeof(struct stats_indication_flags);
276
277 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
278
279 __storm_memset_struct(bp, addr, size, (u32 *)flags);
280}
281
282static inline void storm_memset_xstats_addr(struct bnx2x *bp,
283 dma_addr_t mapping, u16 abs_fid)
284{
285 u32 addr = BAR_XSTRORM_INTMEM +
286 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
287
288 __storm_memset_dma_mapping(bp, addr, mapping);
289}
290
291static inline void storm_memset_tstats_addr(struct bnx2x *bp,
292 dma_addr_t mapping, u16 abs_fid)
293{
294 u32 addr = BAR_TSTRORM_INTMEM +
295 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
296
297 __storm_memset_dma_mapping(bp, addr, mapping);
298}
299
300static inline void storm_memset_ustats_addr(struct bnx2x *bp,
301 dma_addr_t mapping, u16 abs_fid)
302{
303 u32 addr = BAR_USTRORM_INTMEM +
304 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
305
306 __storm_memset_dma_mapping(bp, addr, mapping);
307}
308
309static inline void storm_memset_cstats_addr(struct bnx2x *bp,
310 dma_addr_t mapping, u16 abs_fid)
311{
312 u32 addr = BAR_CSTRORM_INTMEM +
313 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
314
315 __storm_memset_dma_mapping(bp, addr, mapping);
316}
317
318static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
319 u16 pf_id)
320{
321 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
322 pf_id);
323 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
324 pf_id);
325 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
326 pf_id);
327 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
328 pf_id);
329}
330
331static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
332 u8 enable)
333{
334 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
335 enable);
336 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
337 enable);
338 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
339 enable);
340 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
341 enable);
342}
343
344static inline void storm_memset_eq_data(struct bnx2x *bp,
345 struct event_ring_data *eq_data,
346 u16 pfid)
347{
348 size_t size = sizeof(struct event_ring_data);
349
350 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
351
352 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
353}
354
355static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
356 u16 pfid)
357{
358 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
359 REG_WR16(bp, addr, eq_prod);
360}
361
362static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
363 u16 fw_sb_id, u8 sb_index,
364 u8 ticks)
365{
366
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000367 int index_offset = CHIP_IS_E2(bp) ?
368 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000369 offsetof(struct hc_status_block_data_e1x, index_data);
370 u32 addr = BAR_CSTRORM_INTMEM +
371 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
372 index_offset +
373 sizeof(struct hc_index_data)*sb_index +
374 offsetof(struct hc_index_data, timeout);
375 REG_WR8(bp, addr, ticks);
376 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
377 port, fw_sb_id, sb_index, ticks);
378}
379static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
380 u16 fw_sb_id, u8 sb_index,
381 u8 disable)
382{
383 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000384 int index_offset = CHIP_IS_E2(bp) ?
385 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000386 offsetof(struct hc_status_block_data_e1x, index_data);
387 u32 addr = BAR_CSTRORM_INTMEM +
388 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
389 index_offset +
390 sizeof(struct hc_index_data)*sb_index +
391 offsetof(struct hc_index_data, flags);
392 u16 flags = REG_RD16(bp, addr);
393 /* clear and set */
394 flags &= ~HC_INDEX_DATA_HC_ENABLED;
395 flags |= enable_flag;
396 REG_WR16(bp, addr, flags);
397 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
398 port, fw_sb_id, sb_index, disable);
399}
400
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200401/* used only at init
402 * locking is done by mcp
403 */
stephen hemminger8d962862010-10-21 07:50:56 +0000404static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200405{
406 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
407 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
408 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
409 PCICFG_VENDOR_ID_OFFSET);
410}
411
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200412static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
413{
414 u32 val;
415
416 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
417 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
418 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
419 PCICFG_VENDOR_ID_OFFSET);
420
421 return val;
422}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000424#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
425#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
426#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
427#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
428#define DMAE_DP_DST_NONE "dst_addr [none]"
429
stephen hemminger8d962862010-10-21 07:50:56 +0000430static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
431 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000432{
433 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
434
435 switch (dmae->opcode & DMAE_COMMAND_DST) {
436 case DMAE_CMD_DST_PCI:
437 if (src_type == DMAE_CMD_SRC_PCI)
438 DP(msglvl, "DMAE: opcode 0x%08x\n"
439 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
440 "comp_addr [%x:%08x], comp_val 0x%08x\n",
441 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
442 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
443 dmae->comp_addr_hi, dmae->comp_addr_lo,
444 dmae->comp_val);
445 else
446 DP(msglvl, "DMAE: opcode 0x%08x\n"
447 "src [%08x], len [%d*4], dst [%x:%08x]\n"
448 "comp_addr [%x:%08x], comp_val 0x%08x\n",
449 dmae->opcode, dmae->src_addr_lo >> 2,
450 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
451 dmae->comp_addr_hi, dmae->comp_addr_lo,
452 dmae->comp_val);
453 break;
454 case DMAE_CMD_DST_GRC:
455 if (src_type == DMAE_CMD_SRC_PCI)
456 DP(msglvl, "DMAE: opcode 0x%08x\n"
457 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
458 "comp_addr [%x:%08x], comp_val 0x%08x\n",
459 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
460 dmae->len, dmae->dst_addr_lo >> 2,
461 dmae->comp_addr_hi, dmae->comp_addr_lo,
462 dmae->comp_val);
463 else
464 DP(msglvl, "DMAE: opcode 0x%08x\n"
465 "src [%08x], len [%d*4], dst [%08x]\n"
466 "comp_addr [%x:%08x], comp_val 0x%08x\n",
467 dmae->opcode, dmae->src_addr_lo >> 2,
468 dmae->len, dmae->dst_addr_lo >> 2,
469 dmae->comp_addr_hi, dmae->comp_addr_lo,
470 dmae->comp_val);
471 break;
472 default:
473 if (src_type == DMAE_CMD_SRC_PCI)
474 DP(msglvl, "DMAE: opcode 0x%08x\n"
475 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
476 "dst_addr [none]\n"
477 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
478 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
479 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
480 dmae->comp_val);
481 else
482 DP(msglvl, "DMAE: opcode 0x%08x\n"
483 DP_LEVEL "src_addr [%08x] len [%d * 4] "
484 "dst_addr [none]\n"
485 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
486 dmae->opcode, dmae->src_addr_lo >> 2,
487 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
488 dmae->comp_val);
489 break;
490 }
491
492}
493
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000494const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200495 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
496 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
497 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
498 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
499};
500
501/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000502void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200503{
504 u32 cmd_offset;
505 int i;
506
507 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
508 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
509 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
510
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700511 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
512 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200513 }
514 REG_WR(bp, dmae_reg_go_c[idx], 1);
515}
516
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000517u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
518{
519 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
520 DMAE_CMD_C_ENABLE);
521}
522
523u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
524{
525 return opcode & ~DMAE_CMD_SRC_RESET;
526}
527
528u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
529 bool with_comp, u8 comp_type)
530{
531 u32 opcode = 0;
532
533 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
534 (dst_type << DMAE_COMMAND_DST_SHIFT));
535
536 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
537
538 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
539 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
540 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
541 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
542
543#ifdef __BIG_ENDIAN
544 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
545#else
546 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
547#endif
548 if (with_comp)
549 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
550 return opcode;
551}
552
stephen hemminger8d962862010-10-21 07:50:56 +0000553static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
554 struct dmae_command *dmae,
555 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000556{
557 memset(dmae, 0, sizeof(struct dmae_command));
558
559 /* set the opcode */
560 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
561 true, DMAE_COMP_PCI);
562
563 /* fill in the completion parameters */
564 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
565 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
566 dmae->comp_val = DMAE_COMP_VAL;
567}
568
569/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000570static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
571 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000572{
573 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000574 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000575 int rc = 0;
576
577 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
578 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
579 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
580
581 /* lock the dmae channel */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800582 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000583
584 /* reset completion */
585 *wb_comp = 0;
586
587 /* post the command on the channel used for initializations */
588 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
589
590 /* wait for completion */
591 udelay(5);
592 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
593 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
594
595 if (!cnt) {
596 BNX2X_ERR("DMAE timeout!\n");
597 rc = DMAE_TIMEOUT;
598 goto unlock;
599 }
600 cnt--;
601 udelay(50);
602 }
603 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
604 BNX2X_ERR("DMAE PCI error!\n");
605 rc = DMAE_PCI_ERROR;
606 }
607
608 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
609 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
610 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
611
612unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800613 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000614 return rc;
615}
616
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700617void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
618 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200619{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000620 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700621
622 if (!bp->dmae_ready) {
623 u32 *data = bnx2x_sp(bp, wb_data[0]);
624
625 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
626 " using indirect\n", dst_addr, len32);
627 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
628 return;
629 }
630
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000631 /* set opcode and fixed command fields */
632 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200633
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000634 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000635 dmae.src_addr_lo = U64_LO(dma_addr);
636 dmae.src_addr_hi = U64_HI(dma_addr);
637 dmae.dst_addr_lo = dst_addr >> 2;
638 dmae.dst_addr_hi = 0;
639 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000641 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200642
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000643 /* issue the command and wait for completion */
644 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200645}
646
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700647void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200648{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000649 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700650
651 if (!bp->dmae_ready) {
652 u32 *data = bnx2x_sp(bp, wb_data[0]);
653 int i;
654
655 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
656 " using indirect\n", src_addr, len32);
657 for (i = 0; i < len32; i++)
658 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
659 return;
660 }
661
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000662 /* set opcode and fixed command fields */
663 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200664
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000665 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000666 dmae.src_addr_lo = src_addr >> 2;
667 dmae.src_addr_hi = 0;
668 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
669 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
670 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000672 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200673
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000674 /* issue the command and wait for completion */
675 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200676}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677
stephen hemminger8d962862010-10-21 07:50:56 +0000678static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
679 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000680{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000681 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000682 int offset = 0;
683
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000684 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000685 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000686 addr + offset, dmae_wr_max);
687 offset += dmae_wr_max * 4;
688 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000689 }
690
691 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
692}
693
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700694/* used only for slowpath so not inlined */
695static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
696{
697 u32 wb_write[2];
698
699 wb_write[0] = val_hi;
700 wb_write[1] = val_lo;
701 REG_WR_DMAE(bp, reg, wb_write, 2);
702}
703
704#ifdef USE_WB_RD
705static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
706{
707 u32 wb_data[2];
708
709 REG_RD_DMAE(bp, reg, wb_data, 2);
710
711 return HILO_U64(wb_data[0], wb_data[1]);
712}
713#endif
714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200715static int bnx2x_mc_assert(struct bnx2x *bp)
716{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200717 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700718 int i, rc = 0;
719 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200720
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700721 /* XSTORM */
722 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
723 XSTORM_ASSERT_LIST_INDEX_OFFSET);
724 if (last_idx)
725 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200726
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700727 /* print the asserts */
728 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200729
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700730 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
731 XSTORM_ASSERT_LIST_OFFSET(i));
732 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
733 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
734 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
735 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
736 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
737 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200738
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700739 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
740 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
741 " 0x%08x 0x%08x 0x%08x\n",
742 i, row3, row2, row1, row0);
743 rc++;
744 } else {
745 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200746 }
747 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700748
749 /* TSTORM */
750 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
751 TSTORM_ASSERT_LIST_INDEX_OFFSET);
752 if (last_idx)
753 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
754
755 /* print the asserts */
756 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
757
758 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
759 TSTORM_ASSERT_LIST_OFFSET(i));
760 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
761 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
762 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
763 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
764 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
765 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
766
767 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
768 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
769 " 0x%08x 0x%08x 0x%08x\n",
770 i, row3, row2, row1, row0);
771 rc++;
772 } else {
773 break;
774 }
775 }
776
777 /* CSTORM */
778 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
779 CSTORM_ASSERT_LIST_INDEX_OFFSET);
780 if (last_idx)
781 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
782
783 /* print the asserts */
784 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
785
786 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
787 CSTORM_ASSERT_LIST_OFFSET(i));
788 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
789 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
790 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
791 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
792 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
793 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
794
795 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
796 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
797 " 0x%08x 0x%08x 0x%08x\n",
798 i, row3, row2, row1, row0);
799 rc++;
800 } else {
801 break;
802 }
803 }
804
805 /* USTORM */
806 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
807 USTORM_ASSERT_LIST_INDEX_OFFSET);
808 if (last_idx)
809 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
810
811 /* print the asserts */
812 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
813
814 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
815 USTORM_ASSERT_LIST_OFFSET(i));
816 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
817 USTORM_ASSERT_LIST_OFFSET(i) + 4);
818 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
819 USTORM_ASSERT_LIST_OFFSET(i) + 8);
820 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
821 USTORM_ASSERT_LIST_OFFSET(i) + 12);
822
823 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
824 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
825 " 0x%08x 0x%08x 0x%08x\n",
826 i, row3, row2, row1, row0);
827 rc++;
828 } else {
829 break;
830 }
831 }
832
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200833 return rc;
834}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800835
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000836void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200837{
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000838 u32 addr, val;
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 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000847 netdev_printk(lvl, bp->dev, "bc %d.%d.%d\n",
848 (bp->common.bc_ver & 0xff0000) >> 16,
849 (bp->common.bc_ver & 0xff00) >> 8,
850 (bp->common.bc_ver & 0xff));
851
852 val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER);
853 if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER))
854 printk("%s" "MCP PC at 0x%x\n", lvl, val);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000855
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000856 if (BP_PATH(bp) == 0)
857 trace_shmem_base = bp->common.shmem_base;
858 else
859 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
860 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000861 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000862 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
863 + ((mark + 0x3) & ~0x3) - 0x08000000;
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000864 printk("%s" "begin fw dump (mark 0x%x)\n", lvl, mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200865
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000866 printk("%s", lvl);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000867 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200868 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000869 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200870 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000871 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200872 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000873 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200874 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000875 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200876 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000877 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200878 }
Dmitry Kravkov7a25cc72011-06-14 01:33:25 +0000879 printk("%s" "end of fw dump\n", lvl);
880}
881
882static inline void bnx2x_fw_dump(struct bnx2x *bp)
883{
884 bnx2x_fw_dump_lvl(bp, KERN_ERR);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200885}
886
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000887void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200888{
889 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000890 u16 j;
891 struct hc_sp_status_block_data sp_sb_data;
892 int func = BP_FUNC(bp);
893#ifdef BNX2X_STOP_ON_ERROR
894 u16 start = 0, end = 0;
895#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200896
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700897 bp->stats_state = STATS_STATE_DISABLED;
898 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
899
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200900 BNX2X_ERR("begin crash dump -----------------\n");
901
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000902 /* Indices */
903 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000904 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000905 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000906 bp->def_idx, bp->def_att_idx,
907 bp->attn_state, bp->spq_prod_idx);
908 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
909 bp->def_status_blk->atten_status_block.attn_bits,
910 bp->def_status_blk->atten_status_block.attn_bits_ack,
911 bp->def_status_blk->atten_status_block.status_block_id,
912 bp->def_status_blk->atten_status_block.attn_bits_index);
913 BNX2X_ERR(" def (");
914 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
915 pr_cont("0x%x%s",
916 bp->def_status_blk->sp_sb.index_values[i],
917 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000918
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000919 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
920 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
921 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
922 i*sizeof(u32));
923
924 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
925 "pf_id(0x%x) vnic_id(0x%x) "
926 "vf_id(0x%x) vf_valid (0x%x)\n",
927 sp_sb_data.igu_sb_id,
928 sp_sb_data.igu_seg_id,
929 sp_sb_data.p_func.pf_id,
930 sp_sb_data.p_func.vnic_id,
931 sp_sb_data.p_func.vf_id,
932 sp_sb_data.p_func.vf_valid);
933
934
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000935 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000936 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000937 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000938 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000939 struct hc_status_block_data_e1x sb_data_e1x;
940 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000941 CHIP_IS_E2(bp) ?
942 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000943 sb_data_e1x.common.state_machine;
944 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000945 CHIP_IS_E2(bp) ?
946 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000947 sb_data_e1x.index_data;
948 int data_size;
949 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000950
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000951 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000952 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000953 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000954 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000955 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000956 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000957 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000958 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000959 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000960 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000961 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000962
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000963 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000964 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
965 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
966 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200967 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700968 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000969
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000970 loop = CHIP_IS_E2(bp) ?
971 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000972
973 /* host sb data */
974
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000975#ifdef BCM_CNIC
976 if (IS_FCOE_FP(fp))
977 continue;
978#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000979 BNX2X_ERR(" run indexes (");
980 for (j = 0; j < HC_SB_MAX_SM; j++)
981 pr_cont("0x%x%s",
982 fp->sb_running_index[j],
983 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
984
985 BNX2X_ERR(" indexes (");
986 for (j = 0; j < loop; j++)
987 pr_cont("0x%x%s",
988 fp->sb_index_values[j],
989 (j == loop - 1) ? ")" : " ");
990 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000991 data_size = CHIP_IS_E2(bp) ?
992 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000993 sizeof(struct hc_status_block_data_e1x);
994 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000995 sb_data_p = CHIP_IS_E2(bp) ?
996 (u32 *)&sb_data_e2 :
997 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000998 /* copy sb data in here */
999 for (j = 0; j < data_size; j++)
1000 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
1001 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
1002 j * sizeof(u32));
1003
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001004 if (CHIP_IS_E2(bp)) {
1005 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1006 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1007 sb_data_e2.common.p_func.pf_id,
1008 sb_data_e2.common.p_func.vf_id,
1009 sb_data_e2.common.p_func.vf_valid,
1010 sb_data_e2.common.p_func.vnic_id,
1011 sb_data_e2.common.same_igu_sb_1b);
1012 } else {
1013 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1014 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1015 sb_data_e1x.common.p_func.pf_id,
1016 sb_data_e1x.common.p_func.vf_id,
1017 sb_data_e1x.common.p_func.vf_valid,
1018 sb_data_e1x.common.p_func.vnic_id,
1019 sb_data_e1x.common.same_igu_sb_1b);
1020 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001021
1022 /* SB_SMs data */
1023 for (j = 0; j < HC_SB_MAX_SM; j++) {
1024 pr_cont("SM[%d] __flags (0x%x) "
1025 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1026 "time_to_expire (0x%x) "
1027 "timer_value(0x%x)\n", j,
1028 hc_sm_p[j].__flags,
1029 hc_sm_p[j].igu_sb_id,
1030 hc_sm_p[j].igu_seg_id,
1031 hc_sm_p[j].time_to_expire,
1032 hc_sm_p[j].timer_value);
1033 }
1034
1035 /* Indecies data */
1036 for (j = 0; j < loop; j++) {
1037 pr_cont("INDEX[%d] flags (0x%x) "
1038 "timeout (0x%x)\n", j,
1039 hc_index_p[j].flags,
1040 hc_index_p[j].timeout);
1041 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001042 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001043
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001044#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001045 /* Rings */
1046 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001047 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001048 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001049
1050 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1051 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001052 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001053 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1054 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1055
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001056 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1057 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001058 }
1059
Eilon Greenstein3196a882008-08-13 15:58:49 -07001060 start = RX_SGE(fp->rx_sge_prod);
1061 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001062 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001063 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1064 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1065
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001066 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1067 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001068 }
1069
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001070 start = RCQ_BD(fp->rx_comp_cons - 10);
1071 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001072 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001073 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1074
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001075 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1076 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001077 }
1078 }
1079
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001080 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001081 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001082 struct bnx2x_fastpath *fp = &bp->fp[i];
1083
1084 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1085 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1086 for (j = start; j != end; j = TX_BD(j + 1)) {
1087 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1088
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001089 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1090 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001091 }
1092
1093 start = TX_BD(fp->tx_bd_cons - 10);
1094 end = TX_BD(fp->tx_bd_cons + 254);
1095 for (j = start; j != end; j = TX_BD(j + 1)) {
1096 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1097
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001098 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1099 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001100 }
1101 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001102#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001103 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001104 bnx2x_mc_assert(bp);
1105 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001106}
1107
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001108static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001109{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001110 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001111 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1112 u32 val = REG_RD(bp, addr);
1113 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001114 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001115
1116 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001117 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1118 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001119 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1120 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001121 } else if (msi) {
1122 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1123 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1124 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1125 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001126 } else {
1127 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001128 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001129 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1130 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001131
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001132 if (!CHIP_IS_E1(bp)) {
1133 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1134 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001135
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001136 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001137
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001138 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1139 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001140 }
1141
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001142 if (CHIP_IS_E1(bp))
1143 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1144
Eilon Greenstein8badd272009-02-12 08:36:15 +00001145 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1146 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001147
1148 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001149 /*
1150 * Ensure that HC_CONFIG is written before leading/trailing edge config
1151 */
1152 mmiowb();
1153 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001154
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001155 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001156 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001157 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001158 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001159 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001160 /* enable nig and gpio3 attention */
1161 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001162 } else
1163 val = 0xffff;
1164
1165 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1166 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1167 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001168
1169 /* Make sure that interrupts are indeed enabled from here on */
1170 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001171}
1172
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001173static void bnx2x_igu_int_enable(struct bnx2x *bp)
1174{
1175 u32 val;
1176 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1177 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1178
1179 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1180
1181 if (msix) {
1182 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1183 IGU_PF_CONF_SINGLE_ISR_EN);
1184 val |= (IGU_PF_CONF_FUNC_EN |
1185 IGU_PF_CONF_MSI_MSIX_EN |
1186 IGU_PF_CONF_ATTN_BIT_EN);
1187 } else if (msi) {
1188 val &= ~IGU_PF_CONF_INT_LINE_EN;
1189 val |= (IGU_PF_CONF_FUNC_EN |
1190 IGU_PF_CONF_MSI_MSIX_EN |
1191 IGU_PF_CONF_ATTN_BIT_EN |
1192 IGU_PF_CONF_SINGLE_ISR_EN);
1193 } else {
1194 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1195 val |= (IGU_PF_CONF_FUNC_EN |
1196 IGU_PF_CONF_INT_LINE_EN |
1197 IGU_PF_CONF_ATTN_BIT_EN |
1198 IGU_PF_CONF_SINGLE_ISR_EN);
1199 }
1200
1201 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1202 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1203
1204 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1205
1206 barrier();
1207
1208 /* init leading/trailing edge */
1209 if (IS_MF(bp)) {
1210 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1211 if (bp->port.pmf)
1212 /* enable nig and gpio3 attention */
1213 val |= 0x1100;
1214 } else
1215 val = 0xffff;
1216
1217 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1218 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1219
1220 /* Make sure that interrupts are indeed enabled from here on */
1221 mmiowb();
1222}
1223
1224void bnx2x_int_enable(struct bnx2x *bp)
1225{
1226 if (bp->common.int_block == INT_BLOCK_HC)
1227 bnx2x_hc_int_enable(bp);
1228 else
1229 bnx2x_igu_int_enable(bp);
1230}
1231
1232static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001233{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001234 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001235 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1236 u32 val = REG_RD(bp, addr);
1237
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001238 /*
1239 * in E1 we must use only PCI configuration space to disable
1240 * MSI/MSIX capablility
1241 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1242 */
1243 if (CHIP_IS_E1(bp)) {
1244 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1245 * Use mask register to prevent from HC sending interrupts
1246 * after we exit the function
1247 */
1248 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1249
1250 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1251 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1252 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1253 } else
1254 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1255 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1256 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1257 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001258
1259 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1260 val, port, addr);
1261
Eilon Greenstein8badd272009-02-12 08:36:15 +00001262 /* flush all outstanding writes */
1263 mmiowb();
1264
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001265 REG_WR(bp, addr, val);
1266 if (REG_RD(bp, addr) != val)
1267 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1268}
1269
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001270static void bnx2x_igu_int_disable(struct bnx2x *bp)
1271{
1272 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1273
1274 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1275 IGU_PF_CONF_INT_LINE_EN |
1276 IGU_PF_CONF_ATTN_BIT_EN);
1277
1278 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1279
1280 /* flush all outstanding writes */
1281 mmiowb();
1282
1283 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1284 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1285 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1286}
1287
stephen hemminger8d962862010-10-21 07:50:56 +00001288static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001289{
1290 if (bp->common.int_block == INT_BLOCK_HC)
1291 bnx2x_hc_int_disable(bp);
1292 else
1293 bnx2x_igu_int_disable(bp);
1294}
1295
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001296void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001297{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001298 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001299 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001300
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001301 if (disable_hw)
1302 /* prevent the HW from sending interrupts */
1303 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001304
1305 /* make sure all ISRs are done */
1306 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001307 synchronize_irq(bp->msix_table[0].vector);
1308 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001309#ifdef BCM_CNIC
1310 offset++;
1311#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001312 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001313 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001314 } else
1315 synchronize_irq(bp->pdev->irq);
1316
1317 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001318 cancel_delayed_work(&bp->sp_task);
1319 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001320}
1321
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001322/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001323
1324/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001325 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001326 */
1327
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001328/* Return true if succeeded to acquire the lock */
1329static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1330{
1331 u32 lock_status;
1332 u32 resource_bit = (1 << resource);
1333 int func = BP_FUNC(bp);
1334 u32 hw_lock_control_reg;
1335
1336 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1337
1338 /* Validating that the resource is within range */
1339 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1340 DP(NETIF_MSG_HW,
1341 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1342 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001343 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001344 }
1345
1346 if (func <= 5)
1347 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1348 else
1349 hw_lock_control_reg =
1350 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1351
1352 /* Try to acquire the lock */
1353 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1354 lock_status = REG_RD(bp, hw_lock_control_reg);
1355 if (lock_status & resource_bit)
1356 return true;
1357
1358 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1359 return false;
1360}
1361
Michael Chan993ac7b2009-10-10 13:46:56 +00001362#ifdef BCM_CNIC
1363static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1364#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001365
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001366void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001367 union eth_rx_cqe *rr_cqe)
1368{
1369 struct bnx2x *bp = fp->bp;
1370 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1371 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1372
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001373 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001374 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001375 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001376 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001377
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001378 switch (command | fp->state) {
1379 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1380 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1381 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001382 break;
1383
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001384 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1385 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001386 fp->state = BNX2X_FP_STATE_HALTED;
1387 break;
1388
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001389 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1390 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1391 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001392 break;
1393
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001394 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001395 BNX2X_ERR("unexpected MC reply (%d) "
1396 "fp[%d] state is %x\n",
1397 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001398 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001399 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001400
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001401 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001402 atomic_inc(&bp->cq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001403 /* push the change in fp->state and towards the memory */
1404 smp_wmb();
1405
1406 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001407}
1408
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001409irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001410{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001411 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001412 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001413 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001414 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001416 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001417 if (unlikely(status == 0)) {
1418 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1419 return IRQ_NONE;
1420 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001421 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001422
Eilon Greenstein3196a882008-08-13 15:58:49 -07001423#ifdef BNX2X_STOP_ON_ERROR
1424 if (unlikely(bp->panic))
1425 return IRQ_HANDLED;
1426#endif
1427
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001428 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001429 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001430
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001431 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001432 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001433 /* Handle Rx and Tx according to SB id */
1434 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001435 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001436 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001437 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001438 status &= ~mask;
1439 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001440 }
1441
Michael Chan993ac7b2009-10-10 13:46:56 +00001442#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001443 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001444 if (status & (mask | 0x1)) {
1445 struct cnic_ops *c_ops = NULL;
1446
1447 rcu_read_lock();
1448 c_ops = rcu_dereference(bp->cnic_ops);
1449 if (c_ops)
1450 c_ops->cnic_handler(bp->cnic_data, NULL);
1451 rcu_read_unlock();
1452
1453 status &= ~mask;
1454 }
1455#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001456
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001457 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001458 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001459
1460 status &= ~0x1;
1461 if (!status)
1462 return IRQ_HANDLED;
1463 }
1464
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001465 if (unlikely(status))
1466 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001467 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001468
1469 return IRQ_HANDLED;
1470}
1471
1472/* end of fast path */
1473
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001474
1475/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001476
1477/*
1478 * General service functions
1479 */
1480
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001481int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001482{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001483 u32 lock_status;
1484 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001485 int func = BP_FUNC(bp);
1486 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001487 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001488
1489 /* Validating that the resource is within range */
1490 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1491 DP(NETIF_MSG_HW,
1492 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1493 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1494 return -EINVAL;
1495 }
1496
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001497 if (func <= 5) {
1498 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1499 } else {
1500 hw_lock_control_reg =
1501 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1502 }
1503
Eliezer Tamirf1410642008-02-28 11:51:50 -08001504 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001505 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001506 if (lock_status & resource_bit) {
1507 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1508 lock_status, resource_bit);
1509 return -EEXIST;
1510 }
1511
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001512 /* Try for 5 second every 5ms */
1513 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001514 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001515 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1516 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001517 if (lock_status & resource_bit)
1518 return 0;
1519
1520 msleep(5);
1521 }
1522 DP(NETIF_MSG_HW, "Timeout\n");
1523 return -EAGAIN;
1524}
1525
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001526int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001527{
1528 u32 lock_status;
1529 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001530 int func = BP_FUNC(bp);
1531 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001532
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001533 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1534
Eliezer Tamirf1410642008-02-28 11:51:50 -08001535 /* Validating that the resource is within range */
1536 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1537 DP(NETIF_MSG_HW,
1538 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1539 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1540 return -EINVAL;
1541 }
1542
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001543 if (func <= 5) {
1544 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1545 } else {
1546 hw_lock_control_reg =
1547 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1548 }
1549
Eliezer Tamirf1410642008-02-28 11:51:50 -08001550 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001551 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001552 if (!(lock_status & resource_bit)) {
1553 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1554 lock_status, resource_bit);
1555 return -EFAULT;
1556 }
1557
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001558 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001559 return 0;
1560}
1561
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001562
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001563int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1564{
1565 /* The GPIO should be swapped if swap register is set and active */
1566 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1567 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1568 int gpio_shift = gpio_num +
1569 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1570 u32 gpio_mask = (1 << gpio_shift);
1571 u32 gpio_reg;
1572 int value;
1573
1574 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1575 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1576 return -EINVAL;
1577 }
1578
1579 /* read GPIO value */
1580 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1581
1582 /* get the requested pin value */
1583 if ((gpio_reg & gpio_mask) == gpio_mask)
1584 value = 1;
1585 else
1586 value = 0;
1587
1588 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1589
1590 return value;
1591}
1592
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001593int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001594{
1595 /* The GPIO should be swapped if swap register is set and active */
1596 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001597 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001598 int gpio_shift = gpio_num +
1599 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1600 u32 gpio_mask = (1 << gpio_shift);
1601 u32 gpio_reg;
1602
1603 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1604 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1605 return -EINVAL;
1606 }
1607
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001608 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001609 /* read GPIO and mask except the float bits */
1610 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1611
1612 switch (mode) {
1613 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1614 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1615 gpio_num, gpio_shift);
1616 /* clear FLOAT and set CLR */
1617 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1618 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1619 break;
1620
1621 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1622 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1623 gpio_num, gpio_shift);
1624 /* clear FLOAT and set SET */
1625 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1626 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1627 break;
1628
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001629 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001630 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1631 gpio_num, gpio_shift);
1632 /* set FLOAT */
1633 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1634 break;
1635
1636 default:
1637 break;
1638 }
1639
1640 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001641 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001642
1643 return 0;
1644}
1645
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001646int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1647{
1648 /* The GPIO should be swapped if swap register is set and active */
1649 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1650 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1651 int gpio_shift = gpio_num +
1652 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1653 u32 gpio_mask = (1 << gpio_shift);
1654 u32 gpio_reg;
1655
1656 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1657 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1658 return -EINVAL;
1659 }
1660
1661 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1662 /* read GPIO int */
1663 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1664
1665 switch (mode) {
1666 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1667 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1668 "output low\n", gpio_num, gpio_shift);
1669 /* clear SET and set CLR */
1670 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1671 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1672 break;
1673
1674 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1675 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1676 "output high\n", gpio_num, gpio_shift);
1677 /* clear CLR and set SET */
1678 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1679 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1680 break;
1681
1682 default:
1683 break;
1684 }
1685
1686 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1687 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1688
1689 return 0;
1690}
1691
Eliezer Tamirf1410642008-02-28 11:51:50 -08001692static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1693{
1694 u32 spio_mask = (1 << spio_num);
1695 u32 spio_reg;
1696
1697 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1698 (spio_num > MISC_REGISTERS_SPIO_7)) {
1699 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1700 return -EINVAL;
1701 }
1702
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001703 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001704 /* read SPIO and mask except the float bits */
1705 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1706
1707 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001708 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001709 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1710 /* clear FLOAT and set CLR */
1711 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1712 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1713 break;
1714
Eilon Greenstein6378c022008-08-13 15:59:25 -07001715 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001716 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1717 /* clear FLOAT and set SET */
1718 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1719 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1720 break;
1721
1722 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1723 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1724 /* set FLOAT */
1725 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1726 break;
1727
1728 default:
1729 break;
1730 }
1731
1732 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001733 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001734
1735 return 0;
1736}
1737
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001738void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001739{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001740 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001741 switch (bp->link_vars.ieee_fc &
1742 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001743 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001744 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001745 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001746 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001747
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001748 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001749 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001750 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001751 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001752
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001753 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001754 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001755 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001756
Eliezer Tamirf1410642008-02-28 11:51:50 -08001757 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001758 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001759 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001760 break;
1761 }
1762}
1763
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001764u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001765{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001766 if (!BP_NOMCP(bp)) {
1767 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001768 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1769 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001770 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001771 /* It is recommended to turn off RX FC for jumbo frames
1772 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001773 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001774 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001775 else
David S. Millerc0700f92008-12-16 23:53:20 -08001776 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001777
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001778 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001779
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001780 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001781 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001782 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1783 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001784
Eilon Greenstein19680c42008-08-13 15:47:33 -07001785 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001786
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001787 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001788
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001789 bnx2x_calc_fc_adv(bp);
1790
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001791 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1792 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001793 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001794 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001795 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001796 return rc;
1797 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001798 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001799 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001800}
1801
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001802void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001803{
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);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001806 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001807 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001808 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001809
Eilon Greenstein19680c42008-08-13 15:47:33 -07001810 bnx2x_calc_fc_adv(bp);
1811 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001812 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001813}
1814
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001815static void bnx2x__link_reset(struct bnx2x *bp)
1816{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001817 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001818 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001819 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001820 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001821 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001822 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001823}
1824
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001825u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001826{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001827 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001828
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001829 if (!BP_NOMCP(bp)) {
1830 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001831 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1832 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001833 bnx2x_release_phy_lock(bp);
1834 } else
1835 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001836
1837 return rc;
1838}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001839
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001840static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001841{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001842 u32 r_param = bp->link_vars.line_speed / 8;
1843 u32 fair_periodic_timeout_usec;
1844 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001845
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001846 memset(&(bp->cmng.rs_vars), 0,
1847 sizeof(struct rate_shaping_vars_per_port));
1848 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001849
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001850 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1851 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001852
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001853 /* this is the threshold below which no timer arming will occur
1854 1.25 coefficient is for the threshold to be a little bigger
1855 than the real time, to compensate for timer in-accuracy */
1856 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001857 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1858
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001859 /* resolution of fairness timer */
1860 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1861 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1862 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001863
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001864 /* this is the threshold below which we won't arm the timer anymore */
1865 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001866
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001867 /* we multiply by 1e3/8 to get bytes/msec.
1868 We don't want the credits to pass a credit
1869 of the t_fair*FAIR_MEM (algorithm resolution) */
1870 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1871 /* since each tick is 4 usec */
1872 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001873}
1874
Eilon Greenstein2691d512009-08-12 08:22:08 +00001875/* Calculates the sum of vn_min_rates.
1876 It's needed for further normalizing of the min_rates.
1877 Returns:
1878 sum of vn_min_rates.
1879 or
1880 0 - if all the min_rates are 0.
1881 In the later case fainess algorithm should be deactivated.
1882 If not all min_rates are zero then those that are zeroes will be set to 1.
1883 */
1884static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1885{
1886 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001887 int vn;
1888
1889 bp->vn_weight_sum = 0;
1890 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001891 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001892 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1893 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1894
1895 /* Skip hidden vns */
1896 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1897 continue;
1898
1899 /* If min rate is zero - set it to 1 */
1900 if (!vn_min_rate)
1901 vn_min_rate = DEF_MIN_RATE;
1902 else
1903 all_zero = 0;
1904
1905 bp->vn_weight_sum += vn_min_rate;
1906 }
1907
Dmitry Kravkov30ae438b2011-06-14 01:33:13 +00001908 /* if ETS or all min rates are zeros - disable fairness */
1909 if (BNX2X_IS_ETS_ENABLED(bp)) {
1910 bp->cmng.flags.cmng_enables &=
1911 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1912 DP(NETIF_MSG_IFUP, "Fairness will be disabled due to ETS\n");
1913 } else if (all_zero) {
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001914 bp->cmng.flags.cmng_enables &=
1915 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1916 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1917 " fairness will be disabled\n");
1918 } else
1919 bp->cmng.flags.cmng_enables |=
1920 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001921}
1922
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001923static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001924{
1925 struct rate_shaping_vars_per_vn m_rs_vn;
1926 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001927 u32 vn_cfg = bp->mf_config[vn];
1928 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001929 u16 vn_min_rate, vn_max_rate;
1930 int i;
1931
1932 /* If function is hidden - set min and max to zeroes */
1933 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1934 vn_min_rate = 0;
1935 vn_max_rate = 0;
1936
1937 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001938 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
1939
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001940 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1941 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001942 /* If fairness is enabled (not all min rates are zeroes) and
1943 if current min rate is zero - set it to 1.
1944 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001945 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001946 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001947
1948 if (IS_MF_SI(bp))
1949 /* maxCfg in percents of linkspeed */
1950 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
1951 else
1952 /* maxCfg is absolute in 100Mb units */
1953 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001954 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001955
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001956 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001957 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001958 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001959
1960 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1961 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1962
1963 /* global vn counter - maximal Mbps for this vn */
1964 m_rs_vn.vn_counter.rate = vn_max_rate;
1965
1966 /* quota - number of bytes transmitted in this period */
1967 m_rs_vn.vn_counter.quota =
1968 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
1969
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001970 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001971 /* credit for each period of the fairness algorithm:
1972 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001973 vn_weight_sum should not be larger than 10000, thus
1974 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
1975 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001976 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001977 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
1978 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00001979 (bp->cmng.fair_vars.fair_threshold +
1980 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001981 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001982 m_fair_vn.vn_credit_delta);
1983 }
1984
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001985 /* Store it to internal memory */
1986 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
1987 REG_WR(bp, BAR_XSTRORM_INTMEM +
1988 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
1989 ((u32 *)(&m_rs_vn))[i]);
1990
1991 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
1992 REG_WR(bp, BAR_XSTRORM_INTMEM +
1993 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
1994 ((u32 *)(&m_fair_vn))[i]);
1995}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001996
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001997static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
1998{
1999 if (CHIP_REV_IS_SLOW(bp))
2000 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002001 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002002 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002003
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002004 return CMNG_FNS_NONE;
2005}
2006
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002007void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002008{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002009 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002010
2011 if (BP_NOMCP(bp))
2012 return; /* what should be the default bvalue in this case */
2013
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002014 /* For 2 port configuration the absolute function number formula
2015 * is:
2016 * abs_func = 2 * vn + BP_PORT + BP_PATH
2017 *
2018 * and there are 4 functions per port
2019 *
2020 * For 4 port configuration it is
2021 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2022 *
2023 * and there are 2 functions per port
2024 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002025 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002026 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2027
2028 if (func >= E1H_FUNC_MAX)
2029 break;
2030
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002031 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002032 MF_CFG_RD(bp, func_mf_config[func].config);
2033 }
2034}
2035
2036static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2037{
2038
2039 if (cmng_type == CMNG_FNS_MINMAX) {
2040 int vn;
2041
2042 /* clear cmng_enables */
2043 bp->cmng.flags.cmng_enables = 0;
2044
2045 /* read mf conf from shmem */
2046 if (read_cfg)
2047 bnx2x_read_mf_cfg(bp);
2048
2049 /* Init rate shaping and fairness contexts */
2050 bnx2x_init_port_minmax(bp);
2051
2052 /* vn_weight_sum and enable fairness if not 0 */
2053 bnx2x_calc_vn_weight_sum(bp);
2054
2055 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002056 if (bp->port.pmf)
2057 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2058 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002059
2060 /* always enable rate shaping and fairness */
2061 bp->cmng.flags.cmng_enables |=
2062 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2063 if (!bp->vn_weight_sum)
2064 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2065 " fairness will be disabled\n");
2066 return;
2067 }
2068
2069 /* rate shaping and fairness are disabled */
2070 DP(NETIF_MSG_IFUP,
2071 "rate shaping and fairness are disabled\n");
2072}
2073
2074static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2075{
2076 int port = BP_PORT(bp);
2077 int func;
2078 int vn;
2079
2080 /* Set the attention towards other drivers on the same port */
2081 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2082 if (vn == BP_E1HVN(bp))
2083 continue;
2084
2085 func = ((vn << 1) | port);
2086 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2087 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2088 }
2089}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002090
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002091/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002092static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002093{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002094 /* Make sure that we are synced with the current statistics */
2095 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2096
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002097 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002098
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002099 if (bp->link_vars.link_up) {
2100
Eilon Greenstein1c063282009-02-12 08:36:43 +00002101 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002102 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002103 int port = BP_PORT(bp);
2104 u32 pause_enabled = 0;
2105
2106 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2107 pause_enabled = 1;
2108
2109 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002110 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002111 pause_enabled);
2112 }
2113
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002114 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2115 struct host_port_stats *pstats;
2116
2117 pstats = bnx2x_sp(bp, port_stats);
2118 /* reset old bmac stats */
2119 memset(&(pstats->mac_stx[0]), 0,
2120 sizeof(struct mac_stx));
2121 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002122 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002123 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2124 }
2125
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002126 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2127 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002128
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002129 if (cmng_fns != CMNG_FNS_NONE) {
2130 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2131 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2132 } else
2133 /* rate shaping and fairness are disabled */
2134 DP(NETIF_MSG_IFUP,
2135 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002136 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002137
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002138 __bnx2x_link_report(bp);
2139
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002140 if (IS_MF(bp))
2141 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002142}
2143
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002144void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002145{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002146 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002147 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002148
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002149 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2150
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002151 if (bp->link_vars.link_up)
2152 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2153 else
2154 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2155
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002156 /* indicate link status */
2157 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002158}
2159
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002160static void bnx2x_pmf_update(struct bnx2x *bp)
2161{
2162 int port = BP_PORT(bp);
2163 u32 val;
2164
2165 bp->port.pmf = 1;
2166 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2167
2168 /* enable nig attention */
2169 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002170 if (bp->common.int_block == INT_BLOCK_HC) {
2171 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2172 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2173 } else if (CHIP_IS_E2(bp)) {
2174 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2175 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2176 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002177
2178 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002179}
2180
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002181/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002182
2183/* slow path */
2184
2185/*
2186 * General service functions
2187 */
2188
Eilon Greenstein2691d512009-08-12 08:22:08 +00002189/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002190u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002191{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002192 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002193 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002194 u32 rc = 0;
2195 u32 cnt = 1;
2196 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2197
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002198 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002199 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002200 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2201 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2202
Eilon Greenstein2691d512009-08-12 08:22:08 +00002203 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2204
2205 do {
2206 /* let the FW do it's magic ... */
2207 msleep(delay);
2208
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002209 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002210
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002211 /* Give the FW up to 5 second (500*10ms) */
2212 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002213
2214 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2215 cnt*delay, rc, seq);
2216
2217 /* is this a reply to our command? */
2218 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2219 rc &= FW_MSG_CODE_MASK;
2220 else {
2221 /* FW BUG! */
2222 BNX2X_ERR("FW failed to respond!\n");
2223 bnx2x_fw_dump(bp);
2224 rc = 0;
2225 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002226 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002227
2228 return rc;
2229}
2230
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002231static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2232{
2233#ifdef BCM_CNIC
2234 if (IS_FCOE_FP(fp) && IS_MF(bp))
2235 return false;
2236#endif
2237 return true;
2238}
2239
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002240/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002241static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002242{
2243 u32 mask = (1 << cl_id);
2244
2245 /* initial seeting is BNX2X_ACCEPT_NONE */
2246 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2247 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2248 u8 unmatched_unicast = 0;
2249
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002250 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2251 unmatched_unicast = 1;
2252
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002253 if (filters & BNX2X_PROMISCUOUS_MODE) {
2254 /* promiscious - accept all, drop none */
2255 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2256 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002257 if (IS_MF_SI(bp)) {
2258 /*
2259 * SI mode defines to accept in promiscuos mode
2260 * only unmatched packets
2261 */
2262 unmatched_unicast = 1;
2263 accp_all_ucast = 0;
2264 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002265 }
2266 if (filters & BNX2X_ACCEPT_UNICAST) {
2267 /* accept matched ucast */
2268 drop_all_ucast = 0;
2269 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002270 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002271 /* accept matched mcast */
2272 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002273
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002274 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2275 /* accept all mcast */
2276 drop_all_ucast = 0;
2277 accp_all_ucast = 1;
2278 }
2279 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2280 /* accept all mcast */
2281 drop_all_mcast = 0;
2282 accp_all_mcast = 1;
2283 }
2284 if (filters & BNX2X_ACCEPT_BROADCAST) {
2285 /* accept (all) bcast */
2286 drop_all_bcast = 0;
2287 accp_all_bcast = 1;
2288 }
2289
2290 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2291 bp->mac_filters.ucast_drop_all | mask :
2292 bp->mac_filters.ucast_drop_all & ~mask;
2293
2294 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2295 bp->mac_filters.mcast_drop_all | mask :
2296 bp->mac_filters.mcast_drop_all & ~mask;
2297
2298 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2299 bp->mac_filters.bcast_drop_all | mask :
2300 bp->mac_filters.bcast_drop_all & ~mask;
2301
2302 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2303 bp->mac_filters.ucast_accept_all | mask :
2304 bp->mac_filters.ucast_accept_all & ~mask;
2305
2306 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2307 bp->mac_filters.mcast_accept_all | mask :
2308 bp->mac_filters.mcast_accept_all & ~mask;
2309
2310 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2311 bp->mac_filters.bcast_accept_all | mask :
2312 bp->mac_filters.bcast_accept_all & ~mask;
2313
2314 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2315 bp->mac_filters.unmatched_unicast | mask :
2316 bp->mac_filters.unmatched_unicast & ~mask;
2317}
2318
stephen hemminger8d962862010-10-21 07:50:56 +00002319static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002320{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002321 struct tstorm_eth_function_common_config tcfg = {0};
2322 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002323
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002324 /* tpa */
2325 if (p->func_flgs & FUNC_FLG_TPA)
2326 tcfg.config_flags |=
2327 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002328
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002329 /* set rss flags */
2330 rss_flgs = (p->rss->mode <<
2331 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002332
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002333 if (p->rss->cap & RSS_IPV4_CAP)
2334 rss_flgs |= RSS_IPV4_CAP_MASK;
2335 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2336 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2337 if (p->rss->cap & RSS_IPV6_CAP)
2338 rss_flgs |= RSS_IPV6_CAP_MASK;
2339 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2340 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002341
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002342 tcfg.config_flags |= rss_flgs;
2343 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002344
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002345 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002346
2347 /* Enable the function in the FW */
2348 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2349 storm_memset_func_en(bp, p->func_id, 1);
2350
2351 /* statistics */
2352 if (p->func_flgs & FUNC_FLG_STATS) {
2353 struct stats_indication_flags stats_flags = {0};
2354 stats_flags.collect_eth = 1;
2355
2356 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2357 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2358
2359 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2360 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2361
2362 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2363 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2364
2365 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2366 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2367 }
2368
2369 /* spq */
2370 if (p->func_flgs & FUNC_FLG_SPQ) {
2371 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2372 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2373 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2374 }
2375}
2376
2377static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2378 struct bnx2x_fastpath *fp)
2379{
2380 u16 flags = 0;
2381
2382 /* calculate queue flags */
2383 flags |= QUEUE_FLG_CACHE_ALIGN;
2384 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002385 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002386
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002387 flags |= QUEUE_FLG_VLAN;
2388 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002389
2390 if (!fp->disable_tpa)
2391 flags |= QUEUE_FLG_TPA;
2392
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002393 flags = stat_counter_valid(bp, fp) ?
2394 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002395
2396 return flags;
2397}
2398
2399static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2400 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2401 struct bnx2x_rxq_init_params *rxq_init)
2402{
2403 u16 max_sge = 0;
2404 u16 sge_sz = 0;
2405 u16 tpa_agg_size = 0;
2406
2407 /* calculate queue flags */
2408 u16 flags = bnx2x_get_cl_flags(bp, fp);
2409
2410 if (!fp->disable_tpa) {
2411 pause->sge_th_hi = 250;
2412 pause->sge_th_lo = 150;
2413 tpa_agg_size = min_t(u32,
2414 (min_t(u32, 8, MAX_SKB_FRAGS) *
2415 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2416 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2417 SGE_PAGE_SHIFT;
2418 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2419 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2420 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2421 0xffff);
2422 }
2423
2424 /* pause - not for e1 */
2425 if (!CHIP_IS_E1(bp)) {
2426 pause->bd_th_hi = 350;
2427 pause->bd_th_lo = 250;
2428 pause->rcq_th_hi = 350;
2429 pause->rcq_th_lo = 250;
2430 pause->sge_th_hi = 0;
2431 pause->sge_th_lo = 0;
2432 pause->pri_map = 1;
2433 }
2434
2435 /* rxq setup */
2436 rxq_init->flags = flags;
2437 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2438 rxq_init->dscr_map = fp->rx_desc_mapping;
2439 rxq_init->sge_map = fp->rx_sge_mapping;
2440 rxq_init->rcq_map = fp->rx_comp_mapping;
2441 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002442
2443 /* Always use mini-jumbo MTU for FCoE L2 ring */
2444 if (IS_FCOE_FP(fp))
2445 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2446 else
2447 rxq_init->mtu = bp->dev->mtu;
2448
2449 rxq_init->buf_sz = fp->rx_buf_size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002450 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2451 rxq_init->cl_id = fp->cl_id;
2452 rxq_init->spcl_id = fp->cl_id;
2453 rxq_init->stat_id = fp->cl_id;
2454 rxq_init->tpa_agg_sz = tpa_agg_size;
2455 rxq_init->sge_buf_sz = sge_sz;
2456 rxq_init->max_sges_pkt = max_sge;
2457 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2458 rxq_init->fw_sb_id = fp->fw_sb_id;
2459
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002460 if (IS_FCOE_FP(fp))
2461 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2462 else
2463 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002464
2465 rxq_init->cid = HW_CID(bp, fp->cid);
2466
2467 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2468}
2469
2470static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2471 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2472{
2473 u16 flags = bnx2x_get_cl_flags(bp, fp);
2474
2475 txq_init->flags = flags;
2476 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2477 txq_init->dscr_map = fp->tx_desc_mapping;
2478 txq_init->stat_id = fp->cl_id;
2479 txq_init->cid = HW_CID(bp, fp->cid);
2480 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2481 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2482 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002483
2484 if (IS_FCOE_FP(fp)) {
2485 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2486 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2487 }
2488
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002489 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2490}
2491
stephen hemminger8d962862010-10-21 07:50:56 +00002492static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002493{
2494 struct bnx2x_func_init_params func_init = {0};
2495 struct bnx2x_rss_params rss = {0};
2496 struct event_ring_data eq_data = { {0} };
2497 u16 flags;
2498
2499 /* pf specific setups */
2500 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002501 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002502
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002503 if (CHIP_IS_E2(bp)) {
2504 /* reset IGU PF statistics: MSIX + ATTN */
2505 /* PF */
2506 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2507 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2508 (CHIP_MODE_IS_4_PORT(bp) ?
2509 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2510 /* ATTN */
2511 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2512 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2513 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2514 (CHIP_MODE_IS_4_PORT(bp) ?
2515 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2516 }
2517
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002518 /* function setup flags */
2519 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2520
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002521 if (CHIP_IS_E1x(bp))
2522 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2523 else
2524 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002525
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002526 /* function setup */
2527
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002528 /**
2529 * Although RSS is meaningless when there is a single HW queue we
2530 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002531 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002532 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2533 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2534 rss.mode = bp->multi_mode;
2535 rss.result_mask = MULTI_MASK;
2536 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002537
2538 func_init.func_flgs = flags;
2539 func_init.pf_id = BP_FUNC(bp);
2540 func_init.func_id = BP_FUNC(bp);
2541 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2542 func_init.spq_map = bp->spq_mapping;
2543 func_init.spq_prod = bp->spq_prod_idx;
2544
2545 bnx2x_func_init(bp, &func_init);
2546
2547 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2548
2549 /*
2550 Congestion management values depend on the link rate
2551 There is no active link so initial link rate is set to 10 Gbps.
2552 When the link comes up The congestion management values are
2553 re-calculated according to the actual link rate.
2554 */
2555 bp->link_vars.line_speed = SPEED_10000;
2556 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2557
2558 /* Only the PMF sets the HW */
2559 if (bp->port.pmf)
2560 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2561
2562 /* no rx until link is up */
2563 bp->rx_mode = BNX2X_RX_MODE_NONE;
2564 bnx2x_set_storm_rx_mode(bp);
2565
2566 /* init Event Queue */
2567 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2568 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2569 eq_data.producer = bp->eq_prod;
2570 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2571 eq_data.sb_id = DEF_SB_ID;
2572 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2573}
2574
2575
Eilon Greenstein2691d512009-08-12 08:22:08 +00002576static void bnx2x_e1h_disable(struct bnx2x *bp)
2577{
2578 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002579
2580 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002581
2582 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2583
Eilon Greenstein2691d512009-08-12 08:22:08 +00002584 netif_carrier_off(bp->dev);
2585}
2586
2587static void bnx2x_e1h_enable(struct bnx2x *bp)
2588{
2589 int port = BP_PORT(bp);
2590
2591 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2592
Eilon Greenstein2691d512009-08-12 08:22:08 +00002593 /* Tx queue should be only reenabled */
2594 netif_tx_wake_all_queues(bp->dev);
2595
Eilon Greenstein061bc702009-10-15 00:18:47 -07002596 /*
2597 * Should not call netif_carrier_on since it will be called if the link
2598 * is up when checking for link state
2599 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002600}
2601
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002602/* called due to MCP event (on pmf):
2603 * reread new bandwidth configuration
2604 * configure FW
2605 * notify others function about the change
2606 */
2607static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2608{
2609 if (bp->link_vars.link_up) {
2610 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2611 bnx2x_link_sync_notify(bp);
2612 }
2613 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2614}
2615
2616static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2617{
2618 bnx2x_config_mf_bw(bp);
2619 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2620}
2621
Eilon Greenstein2691d512009-08-12 08:22:08 +00002622static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2623{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002624 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002625
2626 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2627
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002628 /*
2629 * This is the only place besides the function initialization
2630 * where the bp->flags can change so it is done without any
2631 * locks
2632 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002633 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002634 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002635 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002636
2637 bnx2x_e1h_disable(bp);
2638 } else {
2639 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002640 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002641
2642 bnx2x_e1h_enable(bp);
2643 }
2644 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2645 }
2646 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002647 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002648 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2649 }
2650
2651 /* Report results to MCP */
2652 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002653 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002654 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002655 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002656}
2657
Michael Chan28912902009-10-10 13:46:53 +00002658/* must be called under the spq lock */
2659static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2660{
2661 struct eth_spe *next_spe = bp->spq_prod_bd;
2662
2663 if (bp->spq_prod_bd == bp->spq_last_bd) {
2664 bp->spq_prod_bd = bp->spq;
2665 bp->spq_prod_idx = 0;
2666 DP(NETIF_MSG_TIMER, "end of spq\n");
2667 } else {
2668 bp->spq_prod_bd++;
2669 bp->spq_prod_idx++;
2670 }
2671 return next_spe;
2672}
2673
2674/* must be called under the spq lock */
2675static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2676{
2677 int func = BP_FUNC(bp);
2678
2679 /* Make sure that BD data is updated before writing the producer */
2680 wmb();
2681
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002682 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002683 bp->spq_prod_idx);
Michael Chan28912902009-10-10 13:46:53 +00002684 mmiowb();
2685}
2686
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002687/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002688int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002689 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002690{
Michael Chan28912902009-10-10 13:46:53 +00002691 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002692 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002693
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002694#ifdef BNX2X_STOP_ON_ERROR
2695 if (unlikely(bp->panic))
2696 return -EIO;
2697#endif
2698
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002699 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002700
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002701 if (common) {
2702 if (!atomic_read(&bp->eq_spq_left)) {
2703 BNX2X_ERR("BUG! EQ ring full!\n");
2704 spin_unlock_bh(&bp->spq_lock);
2705 bnx2x_panic();
2706 return -EBUSY;
2707 }
2708 } else if (!atomic_read(&bp->cq_spq_left)) {
2709 BNX2X_ERR("BUG! SPQ ring full!\n");
2710 spin_unlock_bh(&bp->spq_lock);
2711 bnx2x_panic();
2712 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002713 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002714
Michael Chan28912902009-10-10 13:46:53 +00002715 spe = bnx2x_sp_get_next(bp);
2716
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002717 /* CID needs port number to be encoded int it */
Michael Chan28912902009-10-10 13:46:53 +00002718 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002719 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2720 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002721
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002722 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002723 /* Common ramrods:
2724 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2725 * TRAFFIC_STOP, TRAFFIC_START
2726 */
2727 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2728 & SPE_HDR_CONN_TYPE;
2729 else
2730 /* ETH ramrods: SETUP, HALT */
2731 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2732 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002733
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002734 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2735 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002736
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002737 spe->hdr.type = cpu_to_le16(type);
2738
2739 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2740 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2741
2742 /* stats ramrod has it's own slot on the spq */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002743 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002744 /* It's ok if the actual decrement is issued towards the memory
2745 * somewhere between the spin_lock and spin_unlock. Thus no
2746 * more explict memory barrier is needed.
2747 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002748 if (common)
2749 atomic_dec(&bp->eq_spq_left);
2750 else
2751 atomic_dec(&bp->cq_spq_left);
2752 }
2753
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002754
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002755 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002756 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002757 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002758 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2759 (u32)(U64_LO(bp->spq_mapping) +
2760 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002761 HW_CID(bp, cid), data_hi, data_lo, type,
2762 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002763
Michael Chan28912902009-10-10 13:46:53 +00002764 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002765 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002766 return 0;
2767}
2768
2769/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002770static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002771{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002772 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002773 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002774
2775 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002776 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002777 val = (1UL << 31);
2778 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2779 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2780 if (val & (1L << 31))
2781 break;
2782
2783 msleep(5);
2784 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002785 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002786 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002787 rc = -EBUSY;
2788 }
2789
2790 return rc;
2791}
2792
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002793/* release split MCP access lock register */
2794static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002795{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002796 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002797}
2798
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002799#define BNX2X_DEF_SB_ATT_IDX 0x0001
2800#define BNX2X_DEF_SB_IDX 0x0002
2801
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002802static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2803{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002804 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002805 u16 rc = 0;
2806
2807 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002808 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2809 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002810 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002811 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002812
2813 if (bp->def_idx != def_sb->sp_sb.running_index) {
2814 bp->def_idx = def_sb->sp_sb.running_index;
2815 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002816 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002817
2818 /* Do not reorder: indecies reading should complete before handling */
2819 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002820 return rc;
2821}
2822
2823/*
2824 * slow path service functions
2825 */
2826
2827static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2828{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002829 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002830 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2831 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002832 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2833 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002834 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002835 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002836 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002837
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002838 if (bp->attn_state & asserted)
2839 BNX2X_ERR("IGU ERROR\n");
2840
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002841 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2842 aeu_mask = REG_RD(bp, aeu_addr);
2843
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002844 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002845 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002846 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002847 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002848
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002849 REG_WR(bp, aeu_addr, aeu_mask);
2850 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002851
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002852 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002853 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002854 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002855
2856 if (asserted & ATTN_HARD_WIRED_MASK) {
2857 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002858
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002859 bnx2x_acquire_phy_lock(bp);
2860
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002861 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002862 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002863
Yaniv Rosner361c3912011-06-14 01:33:19 +00002864 /* If nig_mask is not set, no need to call the update
2865 * function.
2866 */
2867 if (nig_mask) {
2868 REG_WR(bp, nig_int_mask_addr, 0);
2869
2870 bnx2x_link_attn(bp);
2871 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002872
2873 /* handle unicore attn? */
2874 }
2875 if (asserted & ATTN_SW_TIMER_4_FUNC)
2876 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2877
2878 if (asserted & GPIO_2_FUNC)
2879 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2880
2881 if (asserted & GPIO_3_FUNC)
2882 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2883
2884 if (asserted & GPIO_4_FUNC)
2885 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2886
2887 if (port == 0) {
2888 if (asserted & ATTN_GENERAL_ATTN_1) {
2889 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2890 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2891 }
2892 if (asserted & ATTN_GENERAL_ATTN_2) {
2893 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2894 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2895 }
2896 if (asserted & ATTN_GENERAL_ATTN_3) {
2897 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2898 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2899 }
2900 } else {
2901 if (asserted & ATTN_GENERAL_ATTN_4) {
2902 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2903 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2904 }
2905 if (asserted & ATTN_GENERAL_ATTN_5) {
2906 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2907 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2908 }
2909 if (asserted & ATTN_GENERAL_ATTN_6) {
2910 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2911 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2912 }
2913 }
2914
2915 } /* if hardwired */
2916
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002917 if (bp->common.int_block == INT_BLOCK_HC)
2918 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2919 COMMAND_REG_ATTN_BITS_SET);
2920 else
2921 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2922
2923 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2924 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2925 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002926
2927 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002928 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002929 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002930 bnx2x_release_phy_lock(bp);
2931 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002932}
2933
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002934static inline void bnx2x_fan_failure(struct bnx2x *bp)
2935{
2936 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002937 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002938 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002939 ext_phy_config =
2940 SHMEM_RD(bp,
2941 dev_info.port_hw_config[port].external_phy_config);
2942
2943 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2944 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002945 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002946 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002947
2948 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002949 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2950 " the driver to shutdown the card to prevent permanent"
2951 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002952}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002953
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002954static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2955{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002956 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002957 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002958 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002959
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002960 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2961 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002962
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002963 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002964
2965 val = REG_RD(bp, reg_offset);
2966 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2967 REG_WR(bp, reg_offset, val);
2968
2969 BNX2X_ERR("SPIO5 hw attention\n");
2970
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002971 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002972 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002973 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002974 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002975
Eilon Greenstein589abe32009-02-12 08:36:55 +00002976 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2977 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2978 bnx2x_acquire_phy_lock(bp);
2979 bnx2x_handle_module_detect_int(&bp->link_params);
2980 bnx2x_release_phy_lock(bp);
2981 }
2982
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002983 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2984
2985 val = REG_RD(bp, reg_offset);
2986 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2987 REG_WR(bp, reg_offset, val);
2988
2989 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00002990 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002991 bnx2x_panic();
2992 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002993}
2994
2995static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2996{
2997 u32 val;
2998
Eilon Greenstein0626b892009-02-12 08:38:14 +00002999 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003000
3001 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
3002 BNX2X_ERR("DB hw attention 0x%x\n", val);
3003 /* DORQ discard attention */
3004 if (val & 0x2)
3005 BNX2X_ERR("FATAL error from DORQ\n");
3006 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003007
3008 if (attn & HW_INTERRUT_ASSERT_SET_1) {
3009
3010 int port = BP_PORT(bp);
3011 int reg_offset;
3012
3013 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3014 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3015
3016 val = REG_RD(bp, reg_offset);
3017 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3018 REG_WR(bp, reg_offset, val);
3019
3020 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003021 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003022 bnx2x_panic();
3023 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003024}
3025
3026static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3027{
3028 u32 val;
3029
3030 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3031
3032 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3033 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3034 /* CFC error attention */
3035 if (val & 0x2)
3036 BNX2X_ERR("FATAL error from CFC\n");
3037 }
3038
3039 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3040
3041 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3042 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3043 /* RQ_USDMDP_FIFO_OVERFLOW */
3044 if (val & 0x18000)
3045 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003046 if (CHIP_IS_E2(bp)) {
3047 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3048 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3049 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003050 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003051
3052 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3053
3054 int port = BP_PORT(bp);
3055 int reg_offset;
3056
3057 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3058 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3059
3060 val = REG_RD(bp, reg_offset);
3061 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3062 REG_WR(bp, reg_offset, val);
3063
3064 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003065 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003066 bnx2x_panic();
3067 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003068}
3069
3070static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3071{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003072 u32 val;
3073
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003074 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3075
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003076 if (attn & BNX2X_PMF_LINK_ASSERT) {
3077 int func = BP_FUNC(bp);
3078
3079 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003080 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3081 func_mf_config[BP_ABS_FUNC(bp)].config);
3082 val = SHMEM_RD(bp,
3083 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003084 if (val & DRV_STATUS_DCC_EVENT_MASK)
3085 bnx2x_dcc_event(bp,
3086 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003087
3088 if (val & DRV_STATUS_SET_MF_BW)
3089 bnx2x_set_mf_bw(bp);
3090
Eilon Greenstein2691d512009-08-12 08:22:08 +00003091 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003092 bnx2x_pmf_update(bp);
3093
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00003094 /* Always call it here: bnx2x_link_report() will
3095 * prevent the link indication duplication.
3096 */
3097 bnx2x__link_status_update(bp);
3098
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003099 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003100 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3101 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003102 /* start dcbx state machine */
3103 bnx2x_dcbx_set_params(bp,
3104 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003105 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003106
3107 BNX2X_ERR("MC assert!\n");
3108 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3109 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3110 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3111 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3112 bnx2x_panic();
3113
3114 } else if (attn & BNX2X_MCP_ASSERT) {
3115
3116 BNX2X_ERR("MCP assert!\n");
3117 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003118 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003119
3120 } else
3121 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3122 }
3123
3124 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003125 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3126 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003127 val = CHIP_IS_E1(bp) ? 0 :
3128 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003129 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3130 }
3131 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003132 val = CHIP_IS_E1(bp) ? 0 :
3133 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003134 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3135 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003136 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003137 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003138}
3139
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003140#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3141#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3142#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3143#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3144#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003145
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003146/*
3147 * should be run under rtnl lock
3148 */
3149static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3150{
3151 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3152 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3153 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3154 barrier();
3155 mmiowb();
3156}
3157
3158/*
3159 * should be run under rtnl lock
3160 */
3161static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3162{
3163 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3164 val |= (1 << 16);
3165 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3166 barrier();
3167 mmiowb();
3168}
3169
3170/*
3171 * should be run under rtnl lock
3172 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003173bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003174{
3175 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3176 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3177 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3178}
3179
3180/*
3181 * should be run under rtnl lock
3182 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003183inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003184{
3185 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3186
3187 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3188
3189 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3190 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3191 barrier();
3192 mmiowb();
3193}
3194
3195/*
3196 * should be run under rtnl lock
3197 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003198u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003199{
3200 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3201
3202 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3203
3204 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3205 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3206 barrier();
3207 mmiowb();
3208
3209 return val1;
3210}
3211
3212/*
3213 * should be run under rtnl lock
3214 */
3215static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3216{
3217 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3218}
3219
3220static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3221{
3222 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3223 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3224}
3225
3226static inline void _print_next_block(int idx, const char *blk)
3227{
3228 if (idx)
3229 pr_cont(", ");
3230 pr_cont("%s", blk);
3231}
3232
3233static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3234{
3235 int i = 0;
3236 u32 cur_bit = 0;
3237 for (i = 0; sig; i++) {
3238 cur_bit = ((u32)0x1 << i);
3239 if (sig & cur_bit) {
3240 switch (cur_bit) {
3241 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3242 _print_next_block(par_num++, "BRB");
3243 break;
3244 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3245 _print_next_block(par_num++, "PARSER");
3246 break;
3247 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3248 _print_next_block(par_num++, "TSDM");
3249 break;
3250 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3251 _print_next_block(par_num++, "SEARCHER");
3252 break;
3253 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3254 _print_next_block(par_num++, "TSEMI");
3255 break;
3256 }
3257
3258 /* Clear the bit */
3259 sig &= ~cur_bit;
3260 }
3261 }
3262
3263 return par_num;
3264}
3265
3266static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3267{
3268 int i = 0;
3269 u32 cur_bit = 0;
3270 for (i = 0; sig; i++) {
3271 cur_bit = ((u32)0x1 << i);
3272 if (sig & cur_bit) {
3273 switch (cur_bit) {
3274 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3275 _print_next_block(par_num++, "PBCLIENT");
3276 break;
3277 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3278 _print_next_block(par_num++, "QM");
3279 break;
3280 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3281 _print_next_block(par_num++, "XSDM");
3282 break;
3283 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3284 _print_next_block(par_num++, "XSEMI");
3285 break;
3286 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3287 _print_next_block(par_num++, "DOORBELLQ");
3288 break;
3289 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3290 _print_next_block(par_num++, "VAUX PCI CORE");
3291 break;
3292 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3293 _print_next_block(par_num++, "DEBUG");
3294 break;
3295 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3296 _print_next_block(par_num++, "USDM");
3297 break;
3298 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3299 _print_next_block(par_num++, "USEMI");
3300 break;
3301 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3302 _print_next_block(par_num++, "UPB");
3303 break;
3304 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3305 _print_next_block(par_num++, "CSDM");
3306 break;
3307 }
3308
3309 /* Clear the bit */
3310 sig &= ~cur_bit;
3311 }
3312 }
3313
3314 return par_num;
3315}
3316
3317static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3318{
3319 int i = 0;
3320 u32 cur_bit = 0;
3321 for (i = 0; sig; i++) {
3322 cur_bit = ((u32)0x1 << i);
3323 if (sig & cur_bit) {
3324 switch (cur_bit) {
3325 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3326 _print_next_block(par_num++, "CSEMI");
3327 break;
3328 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3329 _print_next_block(par_num++, "PXP");
3330 break;
3331 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3332 _print_next_block(par_num++,
3333 "PXPPCICLOCKCLIENT");
3334 break;
3335 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3336 _print_next_block(par_num++, "CFC");
3337 break;
3338 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3339 _print_next_block(par_num++, "CDU");
3340 break;
3341 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3342 _print_next_block(par_num++, "IGU");
3343 break;
3344 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3345 _print_next_block(par_num++, "MISC");
3346 break;
3347 }
3348
3349 /* Clear the bit */
3350 sig &= ~cur_bit;
3351 }
3352 }
3353
3354 return par_num;
3355}
3356
3357static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3358{
3359 int i = 0;
3360 u32 cur_bit = 0;
3361 for (i = 0; sig; i++) {
3362 cur_bit = ((u32)0x1 << i);
3363 if (sig & cur_bit) {
3364 switch (cur_bit) {
3365 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3366 _print_next_block(par_num++, "MCP ROM");
3367 break;
3368 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3369 _print_next_block(par_num++, "MCP UMP RX");
3370 break;
3371 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3372 _print_next_block(par_num++, "MCP UMP TX");
3373 break;
3374 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3375 _print_next_block(par_num++, "MCP SCPAD");
3376 break;
3377 }
3378
3379 /* Clear the bit */
3380 sig &= ~cur_bit;
3381 }
3382 }
3383
3384 return par_num;
3385}
3386
3387static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3388 u32 sig2, u32 sig3)
3389{
3390 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3391 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3392 int par_num = 0;
3393 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3394 "[0]:0x%08x [1]:0x%08x "
3395 "[2]:0x%08x [3]:0x%08x\n",
3396 sig0 & HW_PRTY_ASSERT_SET_0,
3397 sig1 & HW_PRTY_ASSERT_SET_1,
3398 sig2 & HW_PRTY_ASSERT_SET_2,
3399 sig3 & HW_PRTY_ASSERT_SET_3);
3400 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3401 bp->dev->name);
3402 par_num = bnx2x_print_blocks_with_parity0(
3403 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3404 par_num = bnx2x_print_blocks_with_parity1(
3405 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3406 par_num = bnx2x_print_blocks_with_parity2(
3407 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3408 par_num = bnx2x_print_blocks_with_parity3(
3409 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3410 printk("\n");
3411 return true;
3412 } else
3413 return false;
3414}
3415
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003416bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003417{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003418 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003419 int port = BP_PORT(bp);
3420
3421 attn.sig[0] = REG_RD(bp,
3422 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3423 port*4);
3424 attn.sig[1] = REG_RD(bp,
3425 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3426 port*4);
3427 attn.sig[2] = REG_RD(bp,
3428 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3429 port*4);
3430 attn.sig[3] = REG_RD(bp,
3431 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3432 port*4);
3433
3434 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3435 attn.sig[3]);
3436}
3437
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003438
3439static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3440{
3441 u32 val;
3442 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3443
3444 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3445 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3446 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3447 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3448 "ADDRESS_ERROR\n");
3449 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3450 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3451 "INCORRECT_RCV_BEHAVIOR\n");
3452 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3453 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3454 "WAS_ERROR_ATTN\n");
3455 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3456 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3457 "VF_LENGTH_VIOLATION_ATTN\n");
3458 if (val &
3459 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3460 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3461 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3462 if (val &
3463 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3464 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3465 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3466 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3467 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3468 "TCPL_ERROR_ATTN\n");
3469 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3470 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3471 "TCPL_IN_TWO_RCBS_ATTN\n");
3472 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3473 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3474 "CSSNOOP_FIFO_OVERFLOW\n");
3475 }
3476 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3477 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3478 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3479 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3480 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3481 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3482 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3483 "_ATC_TCPL_TO_NOT_PEND\n");
3484 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3485 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3486 "ATC_GPA_MULTIPLE_HITS\n");
3487 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3488 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3489 "ATC_RCPL_TO_EMPTY_CNT\n");
3490 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3491 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3492 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3493 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3494 "ATC_IREQ_LESS_THAN_STU\n");
3495 }
3496
3497 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3498 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3499 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3500 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3501 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3502 }
3503
3504}
3505
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003506static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3507{
3508 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003509 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003510 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003511 u32 reg_addr;
3512 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003513 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003514
3515 /* need to take HW lock because MCP or other port might also
3516 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003517 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003518
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003519 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003520 bp->recovery_state = BNX2X_RECOVERY_INIT;
3521 bnx2x_set_reset_in_progress(bp);
3522 schedule_delayed_work(&bp->reset_task, 0);
3523 /* Disable HW interrupts */
3524 bnx2x_int_disable(bp);
3525 bnx2x_release_alr(bp);
3526 /* In case of parity errors don't handle attentions so that
3527 * other function would "see" parity errors.
3528 */
3529 return;
3530 }
3531
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003532 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3533 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3534 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3535 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003536 if (CHIP_IS_E2(bp))
3537 attn.sig[4] =
3538 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3539 else
3540 attn.sig[4] = 0;
3541
3542 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3543 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003544
3545 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3546 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003547 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003548
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003549 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3550 "%08x %08x %08x\n",
3551 index,
3552 group_mask->sig[0], group_mask->sig[1],
3553 group_mask->sig[2], group_mask->sig[3],
3554 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003555
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003556 bnx2x_attn_int_deasserted4(bp,
3557 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003558 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003559 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003560 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003561 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003562 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003563 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003564 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003565 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003566 }
3567 }
3568
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003569 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003570
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003571 if (bp->common.int_block == INT_BLOCK_HC)
3572 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3573 COMMAND_REG_ATTN_BITS_CLR);
3574 else
3575 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003576
3577 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003578 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3579 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003580 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003581
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003582 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003583 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003584
3585 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3586 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3587
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003588 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3589 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003590
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003591 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3592 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003593 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003594 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3595
3596 REG_WR(bp, reg_addr, aeu_mask);
3597 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003598
3599 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3600 bp->attn_state &= ~deasserted;
3601 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3602}
3603
3604static void bnx2x_attn_int(struct bnx2x *bp)
3605{
3606 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003607 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3608 attn_bits);
3609 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3610 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003611 u32 attn_state = bp->attn_state;
3612
3613 /* look for changed bits */
3614 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3615 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3616
3617 DP(NETIF_MSG_HW,
3618 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3619 attn_bits, attn_ack, asserted, deasserted);
3620
3621 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003622 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003623
3624 /* handle bits that were raised */
3625 if (asserted)
3626 bnx2x_attn_int_asserted(bp, asserted);
3627
3628 if (deasserted)
3629 bnx2x_attn_int_deasserted(bp, deasserted);
3630}
3631
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003632static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3633{
3634 /* No memory barriers */
3635 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3636 mmiowb(); /* keep prod updates ordered */
3637}
3638
3639#ifdef BCM_CNIC
3640static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3641 union event_ring_elem *elem)
3642{
3643 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00003644 (cid < bp->cnic_eth_dev.starting_cid &&
3645 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003646 return 1;
3647
3648 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3649
3650 if (unlikely(elem->message.data.cfc_del_event.error)) {
3651 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3652 cid);
3653 bnx2x_panic_dump(bp);
3654 }
3655 bnx2x_cnic_cfc_comp(bp, cid);
3656 return 0;
3657}
3658#endif
3659
3660static void bnx2x_eq_int(struct bnx2x *bp)
3661{
3662 u16 hw_cons, sw_cons, sw_prod;
3663 union event_ring_elem *elem;
3664 u32 cid;
3665 u8 opcode;
3666 int spqe_cnt = 0;
3667
3668 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3669
3670 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3671 * when we get the the next-page we nned to adjust so the loop
3672 * condition below will be met. The next element is the size of a
3673 * regular element and hence incrementing by 1
3674 */
3675 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3676 hw_cons++;
3677
Lucas De Marchi25985ed2011-03-30 22:57:33 -03003678 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003679 * specific bp, thus there is no need in "paired" read memory
3680 * barrier here.
3681 */
3682 sw_cons = bp->eq_cons;
3683 sw_prod = bp->eq_prod;
3684
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003685 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->cq_spq_left %u\n",
3686 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003687
3688 for (; sw_cons != hw_cons;
3689 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3690
3691
3692 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3693
3694 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3695 opcode = elem->message.opcode;
3696
3697
3698 /* handle eq element */
3699 switch (opcode) {
3700 case EVENT_RING_OPCODE_STAT_QUERY:
3701 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3702 /* nothing to do with stats comp */
3703 continue;
3704
3705 case EVENT_RING_OPCODE_CFC_DEL:
3706 /* handle according to cid range */
3707 /*
3708 * we may want to verify here that the bp state is
3709 * HALTING
3710 */
3711 DP(NETIF_MSG_IFDOWN,
3712 "got delete ramrod for MULTI[%d]\n", cid);
3713#ifdef BCM_CNIC
3714 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3715 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003716 if (cid == BNX2X_FCOE_ETH_CID)
3717 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3718 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003719#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003720 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003721 BNX2X_FP_STATE_CLOSED;
3722
3723 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003724
3725 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3726 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3727 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3728 goto next_spqe;
3729 case EVENT_RING_OPCODE_START_TRAFFIC:
3730 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3731 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3732 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003733 }
3734
3735 switch (opcode | bp->state) {
3736 case (EVENT_RING_OPCODE_FUNCTION_START |
3737 BNX2X_STATE_OPENING_WAIT4_PORT):
3738 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3739 bp->state = BNX2X_STATE_FUNC_STARTED;
3740 break;
3741
3742 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3743 BNX2X_STATE_CLOSING_WAIT4_HALT):
3744 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3745 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3746 break;
3747
3748 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3749 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3750 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003751 if (elem->message.data.set_mac_event.echo)
3752 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003753 break;
3754
3755 case (EVENT_RING_OPCODE_SET_MAC |
3756 BNX2X_STATE_CLOSING_WAIT4_HALT):
3757 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003758 if (elem->message.data.set_mac_event.echo)
3759 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003760 break;
3761 default:
3762 /* unknown event log error and continue */
3763 BNX2X_ERR("Unknown EQ event %d\n",
3764 elem->message.opcode);
3765 }
3766next_spqe:
3767 spqe_cnt++;
3768 } /* for */
3769
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003770 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003771 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003772
3773 bp->eq_cons = sw_cons;
3774 bp->eq_prod = sw_prod;
3775 /* Make sure that above mem writes were issued towards the memory */
3776 smp_wmb();
3777
3778 /* update producer */
3779 bnx2x_update_eq_prod(bp, bp->eq_prod);
3780}
3781
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003782static void bnx2x_sp_task(struct work_struct *work)
3783{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003784 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003785 u16 status;
3786
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003787 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003788/* if (status == 0) */
3789/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003790
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003791 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003792
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003793 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003794 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003795 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003796 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003797 }
3798
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003799 /* SP events: STAT_QUERY and others */
3800 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003801#ifdef BCM_CNIC
3802 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003803
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003804 if ((!NO_FCOE(bp)) &&
3805 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3806 napi_schedule(&bnx2x_fcoe(bp, napi));
3807#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003808 /* Handle EQ completions */
3809 bnx2x_eq_int(bp);
3810
3811 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3812 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3813
3814 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003815 }
3816
3817 if (unlikely(status))
3818 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3819 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003820
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003821 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3822 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003823}
3824
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003825irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003826{
3827 struct net_device *dev = dev_instance;
3828 struct bnx2x *bp = netdev_priv(dev);
3829
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003830 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3831 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003832
3833#ifdef BNX2X_STOP_ON_ERROR
3834 if (unlikely(bp->panic))
3835 return IRQ_HANDLED;
3836#endif
3837
Michael Chan993ac7b2009-10-10 13:46:56 +00003838#ifdef BCM_CNIC
3839 {
3840 struct cnic_ops *c_ops;
3841
3842 rcu_read_lock();
3843 c_ops = rcu_dereference(bp->cnic_ops);
3844 if (c_ops)
3845 c_ops->cnic_handler(bp->cnic_data, NULL);
3846 rcu_read_unlock();
3847 }
3848#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003849 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003850
3851 return IRQ_HANDLED;
3852}
3853
3854/* end of slow path */
3855
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003856static void bnx2x_timer(unsigned long data)
3857{
3858 struct bnx2x *bp = (struct bnx2x *) data;
3859
3860 if (!netif_running(bp->dev))
3861 return;
3862
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003863 if (poll) {
3864 struct bnx2x_fastpath *fp = &bp->fp[0];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003865
Eilon Greenstein7961f792009-03-02 07:59:31 +00003866 bnx2x_tx_int(fp);
David S. Millerb8ee8322011-04-17 16:56:12 -07003867 bnx2x_rx_int(fp, 1000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003868 }
3869
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003870 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003871 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003872 u32 drv_pulse;
3873 u32 mcp_pulse;
3874
3875 ++bp->fw_drv_pulse_wr_seq;
3876 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3877 /* TBD - add SYSTEM_TIME */
3878 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003879 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003880
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003881 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003882 MCP_PULSE_SEQ_MASK);
3883 /* The delta between driver pulse and mcp response
3884 * should be 1 (before mcp response) or 0 (after mcp response)
3885 */
3886 if ((drv_pulse != mcp_pulse) &&
3887 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3888 /* someone lost a heartbeat... */
3889 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3890 drv_pulse, mcp_pulse);
3891 }
3892 }
3893
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003894 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003895 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003896
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003897 mod_timer(&bp->timer, jiffies + bp->current_interval);
3898}
3899
3900/* end of Statistics */
3901
3902/* nic init */
3903
3904/*
3905 * nic init service functions
3906 */
3907
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003908static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003909{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003910 u32 i;
3911 if (!(len%4) && !(addr%4))
3912 for (i = 0; i < len; i += 4)
3913 REG_WR(bp, addr + i, fill);
3914 else
3915 for (i = 0; i < len; i++)
3916 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003917
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003918}
3919
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003920/* helper: writes FP SP data to FW - data_size in dwords */
3921static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3922 int fw_sb_id,
3923 u32 *sb_data_p,
3924 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003925{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003926 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003927 for (index = 0; index < data_size; index++)
3928 REG_WR(bp, BAR_CSTRORM_INTMEM +
3929 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3930 sizeof(u32)*index,
3931 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003932}
3933
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003934static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3935{
3936 u32 *sb_data_p;
3937 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003938 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003939 struct hc_status_block_data_e1x sb_data_e1x;
3940
3941 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003942 if (CHIP_IS_E2(bp)) {
3943 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3944 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3945 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3946 sb_data_e2.common.p_func.vf_valid = false;
3947 sb_data_p = (u32 *)&sb_data_e2;
3948 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3949 } else {
3950 memset(&sb_data_e1x, 0,
3951 sizeof(struct hc_status_block_data_e1x));
3952 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3953 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3954 sb_data_e1x.common.p_func.vf_valid = false;
3955 sb_data_p = (u32 *)&sb_data_e1x;
3956 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3957 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003958 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3959
3960 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3961 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3962 CSTORM_STATUS_BLOCK_SIZE);
3963 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3964 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3965 CSTORM_SYNC_BLOCK_SIZE);
3966}
3967
3968/* helper: writes SP SB data to FW */
3969static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3970 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003971{
3972 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003973 int i;
3974 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
3975 REG_WR(bp, BAR_CSTRORM_INTMEM +
3976 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
3977 i*sizeof(u32),
3978 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003979}
3980
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003981static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
3982{
3983 int func = BP_FUNC(bp);
3984 struct hc_sp_status_block_data sp_sb_data;
3985 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
3986
3987 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
3988 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
3989 sp_sb_data.p_func.vf_valid = false;
3990
3991 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
3992
3993 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3994 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
3995 CSTORM_SP_STATUS_BLOCK_SIZE);
3996 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3997 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
3998 CSTORM_SP_SYNC_BLOCK_SIZE);
3999
4000}
4001
4002
4003static inline
4004void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4005 int igu_sb_id, int igu_seg_id)
4006{
4007 hc_sm->igu_sb_id = igu_sb_id;
4008 hc_sm->igu_seg_id = igu_seg_id;
4009 hc_sm->timer_value = 0xFF;
4010 hc_sm->time_to_expire = 0xFFFFFFFF;
4011}
4012
stephen hemminger8d962862010-10-21 07:50:56 +00004013static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004014 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4015{
4016 int igu_seg_id;
4017
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004018 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004019 struct hc_status_block_data_e1x sb_data_e1x;
4020 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004021 int data_size;
4022 u32 *sb_data_p;
4023
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004024 if (CHIP_INT_MODE_IS_BC(bp))
4025 igu_seg_id = HC_SEG_ACCESS_NORM;
4026 else
4027 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004028
4029 bnx2x_zero_fp_sb(bp, fw_sb_id);
4030
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004031 if (CHIP_IS_E2(bp)) {
4032 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4033 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4034 sb_data_e2.common.p_func.vf_id = vfid;
4035 sb_data_e2.common.p_func.vf_valid = vf_valid;
4036 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4037 sb_data_e2.common.same_igu_sb_1b = true;
4038 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4039 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4040 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004041 sb_data_p = (u32 *)&sb_data_e2;
4042 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4043 } else {
4044 memset(&sb_data_e1x, 0,
4045 sizeof(struct hc_status_block_data_e1x));
4046 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4047 sb_data_e1x.common.p_func.vf_id = 0xff;
4048 sb_data_e1x.common.p_func.vf_valid = false;
4049 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4050 sb_data_e1x.common.same_igu_sb_1b = true;
4051 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4052 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4053 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004054 sb_data_p = (u32 *)&sb_data_e1x;
4055 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4056 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004057
4058 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4059 igu_sb_id, igu_seg_id);
4060 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4061 igu_sb_id, igu_seg_id);
4062
4063 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4064
4065 /* write indecies to HW */
4066 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4067}
4068
4069static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4070 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004071{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004072 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004073 u8 ticks = usec / BNX2X_BTR;
4074
4075 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4076
4077 disable = disable ? 1 : (usec ? 0 : 1);
4078 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4079}
4080
4081static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4082 u16 tx_usec, u16 rx_usec)
4083{
4084 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4085 false, rx_usec);
4086 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4087 false, tx_usec);
4088}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004089
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004090static void bnx2x_init_def_sb(struct bnx2x *bp)
4091{
4092 struct host_sp_status_block *def_sb = bp->def_status_blk;
4093 dma_addr_t mapping = bp->def_status_blk_mapping;
4094 int igu_sp_sb_index;
4095 int igu_seg_id;
4096 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004097 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004098 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004099 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004100 int index;
4101 struct hc_sp_status_block_data sp_sb_data;
4102 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4103
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004104 if (CHIP_INT_MODE_IS_BC(bp)) {
4105 igu_sp_sb_index = DEF_SB_IGU_ID;
4106 igu_seg_id = HC_SEG_ACCESS_DEF;
4107 } else {
4108 igu_sp_sb_index = bp->igu_dsb_id;
4109 igu_seg_id = IGU_SEG_ACCESS_DEF;
4110 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004111
4112 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004113 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004114 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004115 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004116
Eliezer Tamir49d66772008-02-28 11:53:13 -08004117 bp->attn_state = 0;
4118
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004119 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4120 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004121 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004122 int sindex;
4123 /* take care of sig[0]..sig[4] */
4124 for (sindex = 0; sindex < 4; sindex++)
4125 bp->attn_group[index].sig[sindex] =
4126 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004127
4128 if (CHIP_IS_E2(bp))
4129 /*
4130 * enable5 is separate from the rest of the registers,
4131 * and therefore the address skip is 4
4132 * and not 16 between the different groups
4133 */
4134 bp->attn_group[index].sig[4] = REG_RD(bp,
4135 reg_offset + 0x10 + 0x4*index);
4136 else
4137 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004138 }
4139
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004140 if (bp->common.int_block == INT_BLOCK_HC) {
4141 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4142 HC_REG_ATTN_MSG0_ADDR_L);
4143
4144 REG_WR(bp, reg_offset, U64_LO(section));
4145 REG_WR(bp, reg_offset + 4, U64_HI(section));
4146 } else if (CHIP_IS_E2(bp)) {
4147 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4148 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4149 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004150
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004151 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4152 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004153
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004154 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004155
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004156 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4157 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4158 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4159 sp_sb_data.igu_seg_id = igu_seg_id;
4160 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004161 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004162 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004163
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004164 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004165
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004166 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004167 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004168
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004169 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004170}
4171
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004172void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004173{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004174 int i;
4175
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004176 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004177 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07004178 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004179}
4180
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004181static void bnx2x_init_sp_ring(struct bnx2x *bp)
4182{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004183 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004184 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004185
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004186 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004187 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4188 bp->spq_prod_bd = bp->spq;
4189 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004190}
4191
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004192static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004193{
4194 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004195 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4196 union event_ring_elem *elem =
4197 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004198
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004199 elem->next_page.addr.hi =
4200 cpu_to_le32(U64_HI(bp->eq_mapping +
4201 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4202 elem->next_page.addr.lo =
4203 cpu_to_le32(U64_LO(bp->eq_mapping +
4204 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004205 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004206 bp->eq_cons = 0;
4207 bp->eq_prod = NUM_EQ_DESC;
4208 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004209 /* we want a warning message before it gets rought... */
4210 atomic_set(&bp->eq_spq_left,
4211 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004212}
4213
Tom Herbertab532cf2011-02-16 10:27:02 +00004214void bnx2x_push_indir_table(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004215{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004216 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004217 int i;
4218
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004219 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004220 return;
4221
4222 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004223 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004224 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Tom Herbertab532cf2011-02-16 10:27:02 +00004225 bp->fp->cl_id + bp->rx_indir_table[i]);
4226}
4227
4228static void bnx2x_init_ind_table(struct bnx2x *bp)
4229{
4230 int i;
4231
4232 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4233 bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);
4234
4235 bnx2x_push_indir_table(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004236}
4237
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004238void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004239{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004240 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004241 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004242 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004243 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004244
Eilon Greenstein581ce432009-07-29 00:20:04 +00004245 /* All but management unicast packets should pass to the host as well */
4246 u32 llh_mask =
4247 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4248 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4249 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4250 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004251
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004252 switch (mode) {
4253 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004254 def_q_filters = BNX2X_ACCEPT_NONE;
4255#ifdef BCM_CNIC
4256 if (!NO_FCOE(bp)) {
4257 cl_id = bnx2x_fcoe(bp, cl_id);
4258 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4259 }
4260#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_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004264 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4265 BNX2X_ACCEPT_MULTICAST;
4266#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004267 if (!NO_FCOE(bp)) {
4268 cl_id = bnx2x_fcoe(bp, cl_id);
4269 bnx2x_rxq_set_mac_filters(bp, cl_id,
4270 BNX2X_ACCEPT_UNICAST |
4271 BNX2X_ACCEPT_MULTICAST);
4272 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004273#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004274 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004275
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004276 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004277 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4278 BNX2X_ACCEPT_ALL_MULTICAST;
4279#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004280 /*
4281 * Prevent duplication of multicast packets by configuring FCoE
4282 * L2 Client to receive only matched unicast frames.
4283 */
4284 if (!NO_FCOE(bp)) {
4285 cl_id = bnx2x_fcoe(bp, cl_id);
4286 bnx2x_rxq_set_mac_filters(bp, cl_id,
4287 BNX2X_ACCEPT_UNICAST);
4288 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004289#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004290 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004291
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004292 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004293 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4294#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004295 /*
4296 * Prevent packets duplication by configuring DROP_ALL for FCoE
4297 * L2 Client.
4298 */
4299 if (!NO_FCOE(bp)) {
4300 cl_id = bnx2x_fcoe(bp, cl_id);
4301 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4302 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004303#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004304 /* pass management unicast packets as well */
4305 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004306 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004307
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004308 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004309 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4310 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004311 }
4312
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004313 cl_id = BP_L_ID(bp);
4314 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4315
Eilon Greenstein581ce432009-07-29 00:20:04 +00004316 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004317 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4318 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004319
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004320 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4321 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004322 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4323 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004324 bp->mac_filters.ucast_drop_all,
4325 bp->mac_filters.mcast_drop_all,
4326 bp->mac_filters.bcast_drop_all,
4327 bp->mac_filters.ucast_accept_all,
4328 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004329 bp->mac_filters.bcast_accept_all,
4330 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004331 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004332
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004333 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004334}
4335
Eilon Greenstein471de712008-08-13 15:49:35 -07004336static void bnx2x_init_internal_common(struct bnx2x *bp)
4337{
4338 int i;
4339
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004340 if (!CHIP_IS_E1(bp)) {
4341
4342 /* xstorm needs to know whether to add ovlan to packets or not,
4343 * in switch-independent we'll write 0 to here... */
4344 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004345 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004346 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004347 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004348 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004349 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004350 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004351 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004352 }
4353
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004354 if (IS_MF_SI(bp))
4355 /*
4356 * In switch independent mode, the TSTORM needs to accept
4357 * packets that failed classification, since approximate match
4358 * mac addresses aren't written to NIG LLH
4359 */
4360 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4361 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4362
Eilon Greenstein471de712008-08-13 15:49:35 -07004363 /* Zero this manually as its initialization is
4364 currently missing in the initTool */
4365 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4366 REG_WR(bp, BAR_USTRORM_INTMEM +
4367 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004368 if (CHIP_IS_E2(bp)) {
4369 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4370 CHIP_INT_MODE_IS_BC(bp) ?
4371 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4372 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004373}
4374
4375static void bnx2x_init_internal_port(struct bnx2x *bp)
4376{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004377 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004378 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004379}
4380
Eilon Greenstein471de712008-08-13 15:49:35 -07004381static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4382{
4383 switch (load_code) {
4384 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004385 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004386 bnx2x_init_internal_common(bp);
4387 /* no break */
4388
4389 case FW_MSG_CODE_DRV_LOAD_PORT:
4390 bnx2x_init_internal_port(bp);
4391 /* no break */
4392
4393 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004394 /* internal memory per function is
4395 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004396 break;
4397
4398 default:
4399 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4400 break;
4401 }
4402}
4403
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004404static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4405{
4406 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4407
4408 fp->state = BNX2X_FP_STATE_CLOSED;
4409
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004410 fp->cid = fp_idx;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004411 fp->cl_id = BP_L_ID(bp) + fp_idx;
4412 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4413 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4414 /* qZone id equals to FW (per path) client id */
4415 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004416 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4417 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004418 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004419 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4420 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004421 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4422 /* Setup SB indicies */
4423 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4424 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4425
4426 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4427 "cl_id %d fw_sb %d igu_sb %d\n",
4428 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4429 fp->igu_sb_id);
4430 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4431 fp->fw_sb_id, fp->igu_sb_id);
4432
4433 bnx2x_update_fpsb_idx(fp);
4434}
4435
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004436void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004437{
4438 int i;
4439
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004440 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004441 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004442#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004443 if (!NO_FCOE(bp))
4444 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004445
4446 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4447 BNX2X_VF_ID_INVALID, false,
4448 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4449
Michael Chan37b091b2009-10-10 13:46:55 +00004450#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004451
Yaniv Rosner020c7e32011-05-31 21:28:43 +00004452 /* Initialize MOD_ABS interrupts */
4453 bnx2x_init_mod_abs_int(bp, &bp->link_vars, bp->common.chip_id,
4454 bp->common.shmem_base, bp->common.shmem2_base,
4455 BP_PORT(bp));
Eilon Greenstein16119782009-03-02 07:59:27 +00004456 /* ensure status block indices were read */
4457 rmb();
4458
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004459 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004460 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004461 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004462 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004463 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004464 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004465 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004466 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004467 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004468 bnx2x_stats_init(bp);
4469
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004470 /* flush all before enabling interrupts */
4471 mb();
4472 mmiowb();
4473
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004474 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004475
4476 /* Check for SPIO5 */
4477 bnx2x_attn_int_deasserted0(bp,
4478 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4479 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004480}
4481
4482/* end of nic init */
4483
4484/*
4485 * gzip service functions
4486 */
4487
4488static int bnx2x_gunzip_init(struct bnx2x *bp)
4489{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004490 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4491 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004492 if (bp->gunzip_buf == NULL)
4493 goto gunzip_nomem1;
4494
4495 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4496 if (bp->strm == NULL)
4497 goto gunzip_nomem2;
4498
4499 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4500 GFP_KERNEL);
4501 if (bp->strm->workspace == NULL)
4502 goto gunzip_nomem3;
4503
4504 return 0;
4505
4506gunzip_nomem3:
4507 kfree(bp->strm);
4508 bp->strm = NULL;
4509
4510gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004511 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4512 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004513 bp->gunzip_buf = NULL;
4514
4515gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004516 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4517 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004518 return -ENOMEM;
4519}
4520
4521static void bnx2x_gunzip_end(struct bnx2x *bp)
4522{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004523 if (bp->strm) {
4524 kfree(bp->strm->workspace);
4525 kfree(bp->strm);
4526 bp->strm = NULL;
4527 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004528
4529 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004530 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4531 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004532 bp->gunzip_buf = NULL;
4533 }
4534}
4535
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004536static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004537{
4538 int n, rc;
4539
4540 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004541 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4542 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004543 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004544 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004545
4546 n = 10;
4547
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004548#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004549
4550 if (zbuf[3] & FNAME)
4551 while ((zbuf[n++] != 0) && (n < len));
4552
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004553 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004554 bp->strm->avail_in = len - n;
4555 bp->strm->next_out = bp->gunzip_buf;
4556 bp->strm->avail_out = FW_BUF_SIZE;
4557
4558 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4559 if (rc != Z_OK)
4560 return rc;
4561
4562 rc = zlib_inflate(bp->strm, Z_FINISH);
4563 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004564 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4565 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004566
4567 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4568 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004569 netdev_err(bp->dev, "Firmware decompression error:"
4570 " gunzip_outlen (%d) not aligned\n",
4571 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004572 bp->gunzip_outlen >>= 2;
4573
4574 zlib_inflateEnd(bp->strm);
4575
4576 if (rc == Z_STREAM_END)
4577 return 0;
4578
4579 return rc;
4580}
4581
4582/* nic load/unload */
4583
4584/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004585 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004586 */
4587
4588/* send a NIG loopback debug packet */
4589static void bnx2x_lb_pckt(struct bnx2x *bp)
4590{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004591 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004592
4593 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004594 wb_write[0] = 0x55555555;
4595 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004596 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004597 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004598
4599 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004600 wb_write[0] = 0x09000000;
4601 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004602 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004603 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004604}
4605
4606/* some of the internal memories
4607 * are not directly readable from the driver
4608 * to test them we send debug packets
4609 */
4610static int bnx2x_int_mem_test(struct bnx2x *bp)
4611{
4612 int factor;
4613 int count, i;
4614 u32 val = 0;
4615
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004616 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004617 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004618 else if (CHIP_REV_IS_EMUL(bp))
4619 factor = 200;
4620 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004621 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004622
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004623 /* Disable inputs of parser neighbor blocks */
4624 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4625 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4626 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004627 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004628
4629 /* Write 0 to parser credits for CFC search request */
4630 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4631
4632 /* send Ethernet packet */
4633 bnx2x_lb_pckt(bp);
4634
4635 /* TODO do i reset NIG statistic? */
4636 /* Wait until NIG register shows 1 packet of size 0x10 */
4637 count = 1000 * factor;
4638 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004639
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004640 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4641 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004642 if (val == 0x10)
4643 break;
4644
4645 msleep(10);
4646 count--;
4647 }
4648 if (val != 0x10) {
4649 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4650 return -1;
4651 }
4652
4653 /* Wait until PRS register shows 1 packet */
4654 count = 1000 * factor;
4655 while (count) {
4656 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004657 if (val == 1)
4658 break;
4659
4660 msleep(10);
4661 count--;
4662 }
4663 if (val != 0x1) {
4664 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4665 return -2;
4666 }
4667
4668 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004669 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004670 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004671 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004672 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004673 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4674 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004675
4676 DP(NETIF_MSG_HW, "part2\n");
4677
4678 /* Disable inputs of parser neighbor blocks */
4679 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4680 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4681 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004682 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004683
4684 /* Write 0 to parser credits for CFC search request */
4685 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4686
4687 /* send 10 Ethernet packets */
4688 for (i = 0; i < 10; i++)
4689 bnx2x_lb_pckt(bp);
4690
4691 /* Wait until NIG register shows 10 + 1
4692 packets of size 11*0x10 = 0xb0 */
4693 count = 1000 * factor;
4694 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004695
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004696 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4697 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004698 if (val == 0xb0)
4699 break;
4700
4701 msleep(10);
4702 count--;
4703 }
4704 if (val != 0xb0) {
4705 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4706 return -3;
4707 }
4708
4709 /* Wait until PRS register shows 2 packets */
4710 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4711 if (val != 2)
4712 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4713
4714 /* Write 1 to parser credits for CFC search request */
4715 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4716
4717 /* Wait until PRS register shows 3 packets */
4718 msleep(10 * factor);
4719 /* Wait until NIG register shows 1 packet of size 0x10 */
4720 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4721 if (val != 3)
4722 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4723
4724 /* clear NIG EOP FIFO */
4725 for (i = 0; i < 11; i++)
4726 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4727 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4728 if (val != 1) {
4729 BNX2X_ERR("clear of NIG failed\n");
4730 return -4;
4731 }
4732
4733 /* Reset and init BRB, PRS, NIG */
4734 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4735 msleep(50);
4736 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4737 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004738 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4739 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004740#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004741 /* set NIC mode */
4742 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4743#endif
4744
4745 /* Enable inputs of parser neighbor blocks */
4746 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4747 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4748 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004749 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004750
4751 DP(NETIF_MSG_HW, "done\n");
4752
4753 return 0; /* OK */
4754}
4755
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004756static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004757{
4758 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004759 if (CHIP_IS_E2(bp))
4760 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4761 else
4762 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004763 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4764 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004765 /*
4766 * mask read length error interrupts in brb for parser
4767 * (parsing unit and 'checksum and crc' unit)
4768 * these errors are legal (PU reads fixed length and CAC can cause
4769 * read length error on truncated packets)
4770 */
4771 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004772 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4773 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4774 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4775 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4776 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004777/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4778/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004779 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4780 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4781 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004782/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4783/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004784 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4785 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4786 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4787 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004788/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4789/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004790
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004791 if (CHIP_REV_IS_FPGA(bp))
4792 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004793 else if (CHIP_IS_E2(bp))
4794 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4795 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4796 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4797 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4798 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4799 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004800 else
4801 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004802 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4803 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4804 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004805/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4806/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004807 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4808 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004809/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004810 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004811}
4812
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004813static void bnx2x_reset_common(struct bnx2x *bp)
4814{
4815 /* reset_common */
4816 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4817 0xd3ffff7f);
4818 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4819}
4820
Eilon Greenstein573f2032009-08-12 08:24:14 +00004821static void bnx2x_init_pxp(struct bnx2x *bp)
4822{
4823 u16 devctl;
4824 int r_order, w_order;
4825
4826 pci_read_config_word(bp->pdev,
4827 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4828 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4829 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4830 if (bp->mrrs == -1)
4831 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4832 else {
4833 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4834 r_order = bp->mrrs;
4835 }
4836
4837 bnx2x_init_pxp_arb(bp, r_order, w_order);
4838}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004839
4840static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4841{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004842 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004843 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004844 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004845
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004846 if (BP_NOMCP(bp))
4847 return;
4848
4849 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004850 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4851 SHARED_HW_CFG_FAN_FAILURE_MASK;
4852
4853 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4854 is_required = 1;
4855
4856 /*
4857 * The fan failure mechanism is usually related to the PHY type since
4858 * the power consumption of the board is affected by the PHY. Currently,
4859 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4860 */
4861 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4862 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004863 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004864 bnx2x_fan_failure_det_req(
4865 bp,
4866 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004867 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004868 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004869 }
4870
4871 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4872
4873 if (is_required == 0)
4874 return;
4875
4876 /* Fan failure is indicated by SPIO 5 */
4877 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4878 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4879
4880 /* set to active low mode */
4881 val = REG_RD(bp, MISC_REG_SPIO_INT);
4882 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004883 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004884 REG_WR(bp, MISC_REG_SPIO_INT, val);
4885
4886 /* enable interrupt to signal the IGU */
4887 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4888 val |= (1 << MISC_REGISTERS_SPIO_5);
4889 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4890}
4891
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004892static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4893{
4894 u32 offset = 0;
4895
4896 if (CHIP_IS_E1(bp))
4897 return;
4898 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4899 return;
4900
4901 switch (BP_ABS_FUNC(bp)) {
4902 case 0:
4903 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4904 break;
4905 case 1:
4906 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4907 break;
4908 case 2:
4909 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4910 break;
4911 case 3:
4912 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4913 break;
4914 case 4:
4915 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4916 break;
4917 case 5:
4918 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4919 break;
4920 case 6:
4921 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4922 break;
4923 case 7:
4924 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4925 break;
4926 default:
4927 return;
4928 }
4929
4930 REG_WR(bp, offset, pretend_func_num);
4931 REG_RD(bp, offset);
4932 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4933}
4934
4935static void bnx2x_pf_disable(struct bnx2x *bp)
4936{
4937 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4938 val &= ~IGU_PF_CONF_FUNC_EN;
4939
4940 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4941 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4942 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4943}
4944
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004945static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004946{
4947 u32 val, i;
4948
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004949 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004950
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004951 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004952 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4953 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4954
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004955 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004956 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004957 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004958
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004959 if (CHIP_IS_E2(bp)) {
4960 u8 fid;
4961
4962 /**
4963 * 4-port mode or 2-port mode we need to turn of master-enable
4964 * for everyone, after that, turn it back on for self.
4965 * so, we disregard multi-function or not, and always disable
4966 * for all functions on the given path, this means 0,2,4,6 for
4967 * path 0 and 1,3,5,7 for path 1
4968 */
4969 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
4970 if (fid == BP_ABS_FUNC(bp)) {
4971 REG_WR(bp,
4972 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
4973 1);
4974 continue;
4975 }
4976
4977 bnx2x_pretend_func(bp, fid);
4978 /* clear pf enable */
4979 bnx2x_pf_disable(bp);
4980 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
4981 }
4982 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004983
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004984 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004985 if (CHIP_IS_E1(bp)) {
4986 /* enable HW interrupt from PXP on USDM overflow
4987 bit 16 on INT_MASK_0 */
4988 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004989 }
4990
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004991 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004992 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004993
4994#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004995 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
4996 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
4997 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
4998 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
4999 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005000 /* make sure this value is 0 */
5001 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005002
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005003/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5004 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5005 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5006 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5007 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005008#endif
5009
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005010 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5011
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005012 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5013 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005014
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005015 /* let the HW do it's magic ... */
5016 msleep(100);
5017 /* finish PXP init */
5018 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5019 if (val != 1) {
5020 BNX2X_ERR("PXP2 CFG failed\n");
5021 return -EBUSY;
5022 }
5023 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5024 if (val != 1) {
5025 BNX2X_ERR("PXP2 RD_INIT failed\n");
5026 return -EBUSY;
5027 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005028
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005029 /* Timers bug workaround E2 only. We need to set the entire ILT to
5030 * have entries with value "0" and valid bit on.
5031 * This needs to be done by the first PF that is loaded in a path
5032 * (i.e. common phase)
5033 */
5034 if (CHIP_IS_E2(bp)) {
5035 struct ilt_client_info ilt_cli;
5036 struct bnx2x_ilt ilt;
5037 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5038 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5039
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005040 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005041 ilt_cli.start = 0;
5042 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5043 ilt_cli.client_num = ILT_CLIENT_TM;
5044
5045 /* Step 1: set zeroes to all ilt page entries with valid bit on
5046 * Step 2: set the timers first/last ilt entry to point
5047 * to the entire range to prevent ILT range error for 3rd/4th
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005048 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005049 *
5050 * both steps performed by call to bnx2x_ilt_client_init_op()
5051 * with dummy TM client
5052 *
5053 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5054 * and his brother are split registers
5055 */
5056 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5057 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5058 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5059
5060 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5061 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5062 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5063 }
5064
5065
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005066 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5067 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005068
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005069 if (CHIP_IS_E2(bp)) {
5070 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5071 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5072 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5073
5074 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5075
5076 /* let the HW do it's magic ... */
5077 do {
5078 msleep(200);
5079 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5080 } while (factor-- && (val != 1));
5081
5082 if (val != 1) {
5083 BNX2X_ERR("ATC_INIT failed\n");
5084 return -EBUSY;
5085 }
5086 }
5087
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005088 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005089
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005090 /* clean the DMAE memory */
5091 bp->dmae_ready = 1;
5092 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005093
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005094 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5095 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5096 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5097 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005098
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005099 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5100 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5101 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5102 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5103
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005104 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005105
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005106 if (CHIP_MODE_IS_4_PORT(bp))
5107 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005108
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005109 /* QM queues pointers table */
5110 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005111
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005112 /* soft reset pulse */
5113 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5114 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005115
Michael Chan37b091b2009-10-10 13:46:55 +00005116#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005117 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005118#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005119
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005120 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005121 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5122
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005123 if (!CHIP_REV_IS_SLOW(bp)) {
5124 /* enable hw interrupt from doorbell Q */
5125 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5126 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005127
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005128 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005129 if (CHIP_MODE_IS_4_PORT(bp)) {
5130 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5131 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5132 }
5133
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005134 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005135 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005136#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005137 /* set NIC mode */
5138 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005139#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005140 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005141 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005142
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005143 if (CHIP_IS_E2(bp)) {
5144 /* Bit-map indicating which L2 hdrs may appear after the
5145 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005146 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005147 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5148 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5149 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005150
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005151 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5152 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5153 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5154 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005155
Eilon Greensteinca003922009-08-12 22:53:28 -07005156 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5157 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5158 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5159 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005160
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005161 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5162 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5163 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5164 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005165
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005166 if (CHIP_MODE_IS_4_PORT(bp))
5167 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5168
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005169 /* sync semi rtc */
5170 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5171 0x80000000);
5172 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5173 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005174
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005175 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5176 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5177 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005178
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005179 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005180 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005181 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5182 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5183 }
5184
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005185 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005186 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5187 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005188
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005189 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005190#ifdef BCM_CNIC
5191 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5192 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5193 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5194 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5195 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5196 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5197 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5198 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5199 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5200 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5201#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005202 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005203
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005204 if (sizeof(union cdu_context) != 1024)
5205 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005206 dev_alert(&bp->pdev->dev, "please adjust the size "
5207 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005208 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005209
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005210 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005211 val = (4 << 24) + (0 << 12) + 1024;
5212 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005213
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005214 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005215 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005216 /* enable context validation interrupt from CFC */
5217 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5218
5219 /* set the thresholds to prevent CFC/CDU race */
5220 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005221
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005222 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005223
5224 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5225 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5226
5227 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005228 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005229
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005230 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005231 /* Reset PCIE errors for debug */
5232 REG_WR(bp, 0x2814, 0xffffffff);
5233 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005234
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005235 if (CHIP_IS_E2(bp)) {
5236 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5237 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5238 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5239 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5240 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5241 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5242 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5243 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5244 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5245 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5246 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5247 }
5248
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005249 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005250 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005251 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005252 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005253
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005254 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005255 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005256 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005257 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005258 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005259 if (CHIP_IS_E2(bp)) {
5260 /* Bit-map indicating which L2 hdrs may appear after the
5261 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005262 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005263 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005264
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005265 if (CHIP_REV_IS_SLOW(bp))
5266 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005267
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005268 /* finish CFC init */
5269 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5270 if (val != 1) {
5271 BNX2X_ERR("CFC LL_INIT failed\n");
5272 return -EBUSY;
5273 }
5274 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5275 if (val != 1) {
5276 BNX2X_ERR("CFC AC_INIT failed\n");
5277 return -EBUSY;
5278 }
5279 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5280 if (val != 1) {
5281 BNX2X_ERR("CFC CAM_INIT failed\n");
5282 return -EBUSY;
5283 }
5284 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005285
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005286 if (CHIP_IS_E1(bp)) {
5287 /* read NIG statistic
5288 to see if this is our first up since powerup */
5289 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5290 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005291
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005292 /* do internal memory self test */
5293 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5294 BNX2X_ERR("internal mem self test failed\n");
5295 return -EBUSY;
5296 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005297 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005298
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005299 bnx2x_setup_fan_failure_detection(bp);
5300
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005301 /* clear PXP2 attentions */
5302 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005303
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005304 bnx2x_enable_blocks_attention(bp);
5305 if (CHIP_PARITY_ENABLED(bp))
5306 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005307
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005308 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005309 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5310 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5311 CHIP_IS_E1x(bp)) {
5312 u32 shmem_base[2], shmem2_base[2];
5313 shmem_base[0] = bp->common.shmem_base;
5314 shmem2_base[0] = bp->common.shmem2_base;
5315 if (CHIP_IS_E2(bp)) {
5316 shmem_base[1] =
5317 SHMEM2_RD(bp, other_shmem_base_addr);
5318 shmem2_base[1] =
5319 SHMEM2_RD(bp, other_shmem2_base_addr);
5320 }
5321 bnx2x_acquire_phy_lock(bp);
5322 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5323 bp->common.chip_id);
5324 bnx2x_release_phy_lock(bp);
5325 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005326 } else
5327 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5328
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005329 return 0;
5330}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005331
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005332static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005333{
5334 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005335 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005336 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005337 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005338
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005339 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005340
5341 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005342
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005343 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005344 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005345
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005346 /* Timers bug workaround: disables the pf_master bit in pglue at
5347 * common phase, we need to enable it here before any dmae access are
5348 * attempted. Therefore we manually added the enable-master to the
5349 * port phase (it also happens in the function phase)
5350 */
5351 if (CHIP_IS_E2(bp))
5352 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5353
Eilon Greensteinca003922009-08-12 22:53:28 -07005354 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5355 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5356 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005357 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005358
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005359 /* QM cid (connection) count */
5360 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005361
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005362#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005363 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005364 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5365 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005366#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005367
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005368 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005369
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005370 if (CHIP_MODE_IS_4_PORT(bp))
5371 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005372
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005373 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5374 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5375 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5376 /* no pause for emulation and FPGA */
5377 low = 0;
5378 high = 513;
5379 } else {
5380 if (IS_MF(bp))
5381 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5382 else if (bp->dev->mtu > 4096) {
5383 if (bp->flags & ONE_PORT_FLAG)
5384 low = 160;
5385 else {
5386 val = bp->dev->mtu;
5387 /* (24*1024 + val*4)/256 */
5388 low = 96 + (val/64) +
5389 ((val % 64) ? 1 : 0);
5390 }
5391 } else
5392 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5393 high = low + 56; /* 14*1024/256 */
5394 }
5395 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5396 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5397 }
5398
5399 if (CHIP_MODE_IS_4_PORT(bp)) {
5400 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5401 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5402 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5403 BRB1_REG_MAC_GUARANTIED_0), 40);
5404 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005405
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005406 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005407
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005408 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005409 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005410 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005411 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005412
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005413 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5414 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5415 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5416 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005417 if (CHIP_MODE_IS_4_PORT(bp))
5418 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005419
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005420 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005421 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005422
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005423 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005424
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005425 if (!CHIP_IS_E2(bp)) {
5426 /* configure PBF to work without PAUSE mtu 9000 */
5427 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005428
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005429 /* update threshold */
5430 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5431 /* update init credit */
5432 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005433
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005434 /* probe changes */
5435 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5436 udelay(50);
5437 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5438 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005439
Michael Chan37b091b2009-10-10 13:46:55 +00005440#ifdef BCM_CNIC
5441 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005442#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005443 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005444 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005445
5446 if (CHIP_IS_E1(bp)) {
5447 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5448 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5449 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005450 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005451
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005452 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5453
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005454 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005455 /* init aeu_mask_attn_func_0/1:
5456 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5457 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5458 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005459 val = IS_MF(bp) ? 0xF7 : 0x7;
5460 /* Enable DCBX attention for all but E1 */
5461 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5462 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005463
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005464 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005465 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005466 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005467 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005468 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005469
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005470 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005471
5472 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5473
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005474 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005475 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005476 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005477 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005478
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005479 if (CHIP_IS_E2(bp)) {
5480 val = 0;
5481 switch (bp->mf_mode) {
5482 case MULTI_FUNCTION_SD:
5483 val = 1;
5484 break;
5485 case MULTI_FUNCTION_SI:
5486 val = 2;
5487 break;
5488 }
5489
5490 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5491 NIG_REG_LLH0_CLS_TYPE), val);
5492 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005493 {
5494 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5495 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5496 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5497 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005498 }
5499
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005500 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005501 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005502 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005503 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005504 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5505 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5506 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005507 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005508 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005509 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005510 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005511
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005512 return 0;
5513}
5514
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005515static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5516{
5517 int reg;
5518
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005519 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005520 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005521 else
5522 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005523
5524 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5525}
5526
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005527static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5528{
5529 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5530}
5531
5532static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5533{
5534 u32 i, base = FUNC_ILT_BASE(func);
5535 for (i = base; i < base + ILT_PER_FUNC; i++)
5536 bnx2x_ilt_wr(bp, i, 0);
5537}
5538
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005539static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005540{
5541 int port = BP_PORT(bp);
5542 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005543 struct bnx2x_ilt *ilt = BP_ILT(bp);
5544 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005545 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005546 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5547 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005548
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005549 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005550
Eilon Greenstein8badd272009-02-12 08:36:15 +00005551 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005552 if (bp->common.int_block == INT_BLOCK_HC) {
5553 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5554 val = REG_RD(bp, addr);
5555 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5556 REG_WR(bp, addr, val);
5557 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005558
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005559 ilt = BP_ILT(bp);
5560 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005561
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005562 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5563 ilt->lines[cdu_ilt_start + i].page =
5564 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5565 ilt->lines[cdu_ilt_start + i].page_mapping =
5566 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5567 /* cdu ilt pages are allocated manually so there's no need to
5568 set the size */
5569 }
5570 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005571
Michael Chan37b091b2009-10-10 13:46:55 +00005572#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005573 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005574
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005575 /* T1 hash bits value determines the T1 number of entries */
5576 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005577#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005578
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005579#ifndef BCM_CNIC
5580 /* set NIC mode */
5581 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5582#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005583
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005584 if (CHIP_IS_E2(bp)) {
5585 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5586
5587 /* Turn on a single ISR mode in IGU if driver is going to use
5588 * INT#x or MSI
5589 */
5590 if (!(bp->flags & USING_MSIX_FLAG))
5591 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5592 /*
5593 * Timers workaround bug: function init part.
5594 * Need to wait 20msec after initializing ILT,
5595 * needed to make sure there are no requests in
5596 * one of the PXP internal queues with "old" ILT addresses
5597 */
5598 msleep(20);
5599 /*
5600 * Master enable - Due to WB DMAE writes performed before this
5601 * register is re-initialized as part of the regular function
5602 * init
5603 */
5604 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5605 /* Enable the function in IGU */
5606 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5607 }
5608
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005609 bp->dmae_ready = 1;
5610
5611 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5612
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005613 if (CHIP_IS_E2(bp))
5614 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5615
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005616 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5617 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5618 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5619 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5620 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5621 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5622 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5623 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5624 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5625
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005626 if (CHIP_IS_E2(bp)) {
5627 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5628 BP_PATH(bp));
5629 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5630 BP_PATH(bp));
5631 }
5632
5633 if (CHIP_MODE_IS_4_PORT(bp))
5634 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5635
5636 if (CHIP_IS_E2(bp))
5637 REG_WR(bp, QM_REG_PF_EN, 1);
5638
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005639 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005640
5641 if (CHIP_MODE_IS_4_PORT(bp))
5642 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5643
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005644 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5645 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5646 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5647 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5648 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5649 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5650 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5651 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5652 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5653 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5654 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005655 if (CHIP_IS_E2(bp))
5656 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5657
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005658 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5659
5660 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5661
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005662 if (CHIP_IS_E2(bp))
5663 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5664
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005665 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005666 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005667 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005668 }
5669
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005670 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5671
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005672 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005673 if (bp->common.int_block == INT_BLOCK_HC) {
5674 if (CHIP_IS_E1H(bp)) {
5675 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5676
5677 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5678 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5679 }
5680 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5681
5682 } else {
5683 int num_segs, sb_idx, prod_offset;
5684
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005685 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5686
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005687 if (CHIP_IS_E2(bp)) {
5688 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5689 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5690 }
5691
5692 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5693
5694 if (CHIP_IS_E2(bp)) {
5695 int dsb_idx = 0;
5696 /**
5697 * Producer memory:
5698 * E2 mode: address 0-135 match to the mapping memory;
5699 * 136 - PF0 default prod; 137 - PF1 default prod;
5700 * 138 - PF2 default prod; 139 - PF3 default prod;
5701 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5702 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5703 * 144-147 reserved.
5704 *
5705 * E1.5 mode - In backward compatible mode;
5706 * for non default SB; each even line in the memory
5707 * holds the U producer and each odd line hold
5708 * the C producer. The first 128 producers are for
5709 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5710 * producers are for the DSB for each PF.
5711 * Each PF has five segments: (the order inside each
5712 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5713 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5714 * 144-147 attn prods;
5715 */
5716 /* non-default-status-blocks */
5717 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5718 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5719 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5720 prod_offset = (bp->igu_base_sb + sb_idx) *
5721 num_segs;
5722
5723 for (i = 0; i < num_segs; i++) {
5724 addr = IGU_REG_PROD_CONS_MEMORY +
5725 (prod_offset + i) * 4;
5726 REG_WR(bp, addr, 0);
5727 }
5728 /* send consumer update with value 0 */
5729 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5730 USTORM_ID, 0, IGU_INT_NOP, 1);
5731 bnx2x_igu_clear_sb(bp,
5732 bp->igu_base_sb + sb_idx);
5733 }
5734
5735 /* default-status-blocks */
5736 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5737 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5738
5739 if (CHIP_MODE_IS_4_PORT(bp))
5740 dsb_idx = BP_FUNC(bp);
5741 else
5742 dsb_idx = BP_E1HVN(bp);
5743
5744 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5745 IGU_BC_BASE_DSB_PROD + dsb_idx :
5746 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5747
5748 for (i = 0; i < (num_segs * E1HVN_MAX);
5749 i += E1HVN_MAX) {
5750 addr = IGU_REG_PROD_CONS_MEMORY +
5751 (prod_offset + i)*4;
5752 REG_WR(bp, addr, 0);
5753 }
5754 /* send consumer update with 0 */
5755 if (CHIP_INT_MODE_IS_BC(bp)) {
5756 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5757 USTORM_ID, 0, IGU_INT_NOP, 1);
5758 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5759 CSTORM_ID, 0, IGU_INT_NOP, 1);
5760 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5761 XSTORM_ID, 0, IGU_INT_NOP, 1);
5762 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5763 TSTORM_ID, 0, IGU_INT_NOP, 1);
5764 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5765 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5766 } else {
5767 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5768 USTORM_ID, 0, IGU_INT_NOP, 1);
5769 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5770 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5771 }
5772 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5773
5774 /* !!! these should become driver const once
5775 rf-tool supports split-68 const */
5776 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5777 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5778 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5779 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5780 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5781 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5782 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005783 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005784
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005785 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005786 REG_WR(bp, 0x2114, 0xffffffff);
5787 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005788
5789 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5790 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5791 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5792 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5793 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5794 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5795
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005796 if (CHIP_IS_E1x(bp)) {
5797 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5798 main_mem_base = HC_REG_MAIN_MEMORY +
5799 BP_PORT(bp) * (main_mem_size * 4);
5800 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5801 main_mem_width = 8;
5802
5803 val = REG_RD(bp, main_mem_prty_clr);
5804 if (val)
5805 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5806 "block during "
5807 "function init (0x%x)!\n", val);
5808
5809 /* Clear "false" parity errors in MSI-X table */
5810 for (i = main_mem_base;
5811 i < main_mem_base + main_mem_size * 4;
5812 i += main_mem_width) {
5813 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5814 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5815 i, main_mem_width / 4);
5816 }
5817 /* Clear HC parity attention */
5818 REG_RD(bp, main_mem_prty_clr);
5819 }
5820
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005821 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005822
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005823 return 0;
5824}
5825
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005826int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005827{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005828 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005829
5830 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005831 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005832
5833 bp->dmae_ready = 0;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005834 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005835
5836 switch (load_code) {
5837 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005838 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005839 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005840 if (rc)
5841 goto init_hw_err;
5842 /* no break */
5843
5844 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005845 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005846 if (rc)
5847 goto init_hw_err;
5848 /* no break */
5849
5850 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005851 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005852 if (rc)
5853 goto init_hw_err;
5854 break;
5855
5856 default:
5857 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5858 break;
5859 }
5860
5861 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005862 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005863
5864 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005865 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005866 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005867 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5868 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005869
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005870init_hw_err:
5871 bnx2x_gunzip_end(bp);
5872
5873 return rc;
5874}
5875
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005876void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005877{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005878 bnx2x_gunzip_end(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005879
5880 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005881 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005882 /* end of fastpath */
5883
5884 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005885 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005886
5887 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005888 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005889
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005890 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5891 bp->context.size);
5892
5893 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5894
5895 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005896
Michael Chan37b091b2009-10-10 13:46:55 +00005897#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005898 if (CHIP_IS_E2(bp))
5899 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5900 sizeof(struct host_hc_status_block_e2));
5901 else
5902 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5903 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005904
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005905 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005906#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005907
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005908 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005909
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005910 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5911 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5912
Tom Herbertab532cf2011-02-16 10:27:02 +00005913 BNX2X_FREE(bp->rx_indir_table);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005914}
5915
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005916
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005917int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005918{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005919 if (bnx2x_gunzip_init(bp))
5920 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005921
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005922#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005923 if (CHIP_IS_E2(bp))
5924 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
5925 sizeof(struct host_hc_status_block_e2));
5926 else
5927 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
5928 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005929
5930 /* allocate searcher T2 table */
5931 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
5932#endif
5933
5934
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005935 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005936 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005937
5938 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5939 sizeof(struct bnx2x_slowpath));
5940
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005941 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005942
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005943 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
5944 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005945
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005946 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005947
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005948 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
5949 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005950
5951 /* Slow path ring */
5952 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5953
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005954 /* EQ */
5955 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
5956 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00005957
5958 BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
5959 TSTORM_INDIRECTION_TABLE_SIZE);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005960
5961 /* fastpath */
5962 /* need to be done at the end, since it's self adjusting to amount
5963 * of memory available for RSS queues
5964 */
5965 if (bnx2x_alloc_fp_mem(bp))
5966 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005967 return 0;
5968
5969alloc_mem_err:
5970 bnx2x_free_mem(bp);
5971 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005972}
5973
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005974/*
5975 * Init service functions
5976 */
stephen hemminger8d962862010-10-21 07:50:56 +00005977static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
5978 int *state_p, int flags);
5979
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005980int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005981{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005982 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005983
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005984 /* Wait for completion */
5985 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
5986 WAIT_RAMROD_COMMON);
5987}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005988
stephen hemminger8d962862010-10-21 07:50:56 +00005989static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005990{
5991 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005992
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005993 /* Wait for completion */
5994 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
5995 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005996}
5997
Michael Chane665bfd2009-10-10 13:46:54 +00005998/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00005999 * 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 +00006000 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006001 * @bp: driver handle
6002 * @set: set or clear an entry (1 or 0)
6003 * @mac: pointer to a buffer containing a MAC
6004 * @cl_bit_vec: bit vector of clients to register a MAC for
6005 * @cam_offset: offset in a CAM to use
6006 * @is_bcast: is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006007 */
Joe Perches215faf92010-12-21 02:16:10 -08006008static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006009 u32 cl_bit_vec, u8 cam_offset,
6010 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006011{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006012 struct mac_configuration_cmd *config =
6013 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6014 int ramrod_flags = WAIT_RAMROD_COMMON;
6015
6016 bp->set_mac_pending = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006017
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006018 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006019 config->hdr.offset = cam_offset;
6020 config->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006021 /* Mark the single MAC configuration ramrod as opposed to a
6022 * UC/MC list configuration).
6023 */
6024 config->hdr.echo = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006025
6026 /* primary MAC */
6027 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006028 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006029 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006030 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006031 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006032 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006033 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006034 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006035 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006036 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006037 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006038 SET_FLAG(config->config_table[0].flags,
6039 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6040 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006041 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006042 SET_FLAG(config->config_table[0].flags,
6043 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6044 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006045
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006046 if (is_bcast)
6047 SET_FLAG(config->config_table[0].flags,
6048 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6049
6050 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006051 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006052 config->config_table[0].msb_mac_addr,
6053 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006054 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006055
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006056 mb();
6057
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006058 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006059 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006060 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6061
6062 /* Wait for a completion */
6063 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006064}
6065
stephen hemminger8d962862010-10-21 07:50:56 +00006066static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6067 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006068{
6069 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006070 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006071 u8 poll = flags & WAIT_RAMROD_POLL;
6072 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006073
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006074 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6075 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006076
6077 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006078 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006079 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006080 if (common)
6081 bnx2x_eq_int(bp);
6082 else {
6083 bnx2x_rx_int(bp->fp, 10);
6084 /* if index is different from 0
6085 * the reply for some commands will
6086 * be on the non default queue
6087 */
6088 if (idx)
6089 bnx2x_rx_int(&bp->fp[idx], 10);
6090 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006091 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006092
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006093 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006094 if (*state_p == state) {
6095#ifdef BNX2X_STOP_ON_ERROR
6096 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6097#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006098 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006099 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006100
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006101 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006102
6103 if (bp->panic)
6104 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006105 }
6106
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006107 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006108 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6109 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006110#ifdef BNX2X_STOP_ON_ERROR
6111 bnx2x_panic();
6112#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006113
Eliezer Tamir49d66772008-02-28 11:53:13 -08006114 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006115}
6116
stephen hemminger8d962862010-10-21 07:50:56 +00006117static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006118{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006119 if (CHIP_IS_E1H(bp))
6120 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6121 else if (CHIP_MODE_IS_4_PORT(bp))
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006122 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006123 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006124 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
Michael Chane665bfd2009-10-10 13:46:54 +00006125}
6126
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006127/**
6128 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6129 * relevant. In addition, current implementation is tuned for a
6130 * single ETH MAC.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006131 */
6132enum {
6133 LLH_CAM_ISCSI_ETH_LINE = 0,
6134 LLH_CAM_ETH_LINE,
6135 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6136};
6137
6138static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6139 int set,
6140 unsigned char *dev_addr,
6141 int index)
6142{
6143 u32 wb_data[2];
6144 u32 mem_offset, ena_offset, mem_index;
6145 /**
6146 * indexes mapping:
6147 * 0..7 - goes to MEM
6148 * 8..15 - goes to MEM2
6149 */
6150
6151 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6152 return;
6153
6154 /* calculate memory start offset according to the mapping
6155 * and index in the memory */
6156 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6157 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6158 NIG_REG_LLH0_FUNC_MEM;
6159 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6160 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6161 mem_index = index;
6162 } else {
6163 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6164 NIG_REG_P0_LLH_FUNC_MEM2;
6165 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6166 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6167 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6168 }
6169
6170 if (set) {
6171 /* LLH_FUNC_MEM is a u64 WB register */
6172 mem_offset += 8*mem_index;
6173
6174 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6175 (dev_addr[4] << 8) | dev_addr[5]);
6176 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6177
6178 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6179 }
6180
6181 /* enable/disable the entry */
6182 REG_WR(bp, ena_offset + 4*mem_index, set);
6183
6184}
6185
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006186void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006187{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006188 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6189 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6190
6191 /* networking MAC */
6192 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6193 (1 << bp->fp->cl_id), cam_offset , 0);
6194
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006195 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6196
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006197 if (CHIP_IS_E1(bp)) {
6198 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006199 static const u8 bcast[ETH_ALEN] = {
6200 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6201 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006202 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6203 }
6204}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006205
6206static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6207{
6208 return CHIP_REV_IS_SLOW(bp) ?
6209 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6210 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6211}
6212
6213/* set mc list, do not wait as wait implies sleep and
6214 * set_rx_mode can be invoked from non-sleepable context.
6215 *
6216 * Instead we use the same ramrod data buffer each time we need
6217 * to configure a list of addresses, and use the fact that the
6218 * list of MACs is changed in an incremental way and that the
6219 * function is called under the netif_addr_lock. A temporary
6220 * inconsistent CAM configuration (possible in case of a very fast
6221 * sequence of add/del/add on the host side) will shortly be
6222 * restored by the handler of the last ramrod.
6223 */
6224static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006225{
6226 int i = 0, old;
6227 struct net_device *dev = bp->dev;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006228 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006229 struct netdev_hw_addr *ha;
6230 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6231 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6232
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006233 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6234 return -EINVAL;
6235
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006236 netdev_for_each_mc_addr(ha, dev) {
6237 /* copy mac */
6238 config_cmd->config_table[i].msb_mac_addr =
6239 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6240 config_cmd->config_table[i].middle_mac_addr =
6241 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6242 config_cmd->config_table[i].lsb_mac_addr =
6243 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6244
6245 config_cmd->config_table[i].vlan_id = 0;
6246 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6247 config_cmd->config_table[i].clients_bit_vector =
6248 cpu_to_le32(1 << BP_L_ID(bp));
6249
6250 SET_FLAG(config_cmd->config_table[i].flags,
6251 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6252 T_ETH_MAC_COMMAND_SET);
6253
6254 DP(NETIF_MSG_IFUP,
6255 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6256 config_cmd->config_table[i].msb_mac_addr,
6257 config_cmd->config_table[i].middle_mac_addr,
6258 config_cmd->config_table[i].lsb_mac_addr);
6259 i++;
6260 }
6261 old = config_cmd->hdr.length;
6262 if (old > i) {
6263 for (; i < old; i++) {
6264 if (CAM_IS_INVALID(config_cmd->
6265 config_table[i])) {
6266 /* already invalidated */
6267 break;
6268 }
6269 /* invalidate */
6270 SET_FLAG(config_cmd->config_table[i].flags,
6271 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6272 T_ETH_MAC_COMMAND_INVALIDATE);
6273 }
6274 }
6275
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006276 wmb();
6277
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006278 config_cmd->hdr.length = i;
6279 config_cmd->hdr.offset = offset;
6280 config_cmd->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006281 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6282 * synchronization.
6283 */
6284 config_cmd->hdr.echo = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006285
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006286 mb();
Michael Chane665bfd2009-10-10 13:46:54 +00006287
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006288 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006289 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6290}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006291
6292void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006293{
6294 int i;
6295 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6296 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6297 int ramrod_flags = WAIT_RAMROD_COMMON;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006298 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006299
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006300 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006301 SET_FLAG(config_cmd->config_table[i].flags,
6302 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6303 T_ETH_MAC_COMMAND_INVALIDATE);
6304
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006305 wmb();
6306
6307 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6308 config_cmd->hdr.offset = offset;
6309 config_cmd->hdr.client_id = 0xff;
6310 /* We'll wait for a completion this time... */
6311 config_cmd->hdr.echo = 1;
6312
6313 bp->set_mac_pending = 1;
6314
6315 mb();
6316
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006317 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6318 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006319
6320 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006321 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6322 ramrod_flags);
6323
Michael Chane665bfd2009-10-10 13:46:54 +00006324}
6325
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006326/* Accept one or more multicasts */
6327static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6328{
6329 struct net_device *dev = bp->dev;
6330 struct netdev_hw_addr *ha;
6331 u32 mc_filter[MC_HASH_SIZE];
6332 u32 crc, bit, regidx;
6333 int i;
6334
6335 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6336
6337 netdev_for_each_mc_addr(ha, dev) {
6338 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6339 bnx2x_mc_addr(ha));
6340
6341 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6342 ETH_ALEN);
6343 bit = (crc >> 24) & 0xff;
6344 regidx = bit >> 5;
6345 bit &= 0x1f;
6346 mc_filter[regidx] |= (1 << bit);
6347 }
6348
6349 for (i = 0; i < MC_HASH_SIZE; i++)
6350 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6351 mc_filter[i]);
6352
6353 return 0;
6354}
6355
6356void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6357{
6358 int i;
6359
6360 for (i = 0; i < MC_HASH_SIZE; i++)
6361 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6362}
6363
Michael Chan993ac7b2009-10-10 13:46:56 +00006364#ifdef BCM_CNIC
6365/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006366 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
Michael Chan993ac7b2009-10-10 13:46:56 +00006367 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006368 * @bp: driver handle
6369 * @set: set or clear the CAM entry
Michael Chan993ac7b2009-10-10 13:46:56 +00006370 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006371 * This function will wait until the ramdord completion returns.
6372 * Return 0 if success, -ENODEV if ramrod doesn't return.
Michael Chan993ac7b2009-10-10 13:46:56 +00006373 */
stephen hemminger8d962862010-10-21 07:50:56 +00006374static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006375{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006376 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6377 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006378 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6379 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006380 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006381 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006382
6383 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006384 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006385 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006386
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006387 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006388
6389 return 0;
6390}
6391
6392/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006393 * bnx2x_set_fip_eth_mac_addr - set FCoE L2 MAC(s)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006394 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006395 * @bp: driver handle
6396 * @set: set or clear the CAM entry
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006397 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006398 * This function will wait until the ramrod completion returns.
6399 * Returns 0 if success, -ENODEV if ramrod doesn't return.
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006400 */
6401int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6402{
6403 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6404 /**
6405 * CAM allocation for E1H
6406 * eth unicasts: by func number
6407 * iscsi: by func number
6408 * fip unicast: by func number
6409 * fip multicast: by func number
6410 */
6411 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6412 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6413
6414 return 0;
6415}
6416
6417int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6418{
6419 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6420
6421 /**
6422 * CAM allocation for E1H
6423 * eth unicasts: by func number
6424 * iscsi: by func number
6425 * fip unicast: by func number
6426 * fip multicast: by func number
6427 */
6428 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6429 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6430
Michael Chan993ac7b2009-10-10 13:46:56 +00006431 return 0;
6432}
6433#endif
6434
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006435static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6436 struct bnx2x_client_init_params *params,
6437 u8 activate,
6438 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006439{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006440 /* Clear the buffer */
6441 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006442
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006443 /* general */
6444 data->general.client_id = params->rxq_params.cl_id;
6445 data->general.statistics_counter_id = params->rxq_params.stat_id;
6446 data->general.statistics_en_flg =
6447 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006448 data->general.is_fcoe_flg =
6449 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006450 data->general.activate_flg = activate;
6451 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006452
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006453 /* Rx data */
6454 data->rx.tpa_en_flg =
6455 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6456 data->rx.vmqueue_mode_en_flg = 0;
6457 data->rx.cache_line_alignment_log_size =
6458 params->rxq_params.cache_line_log;
6459 data->rx.enable_dynamic_hc =
6460 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6461 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6462 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6463 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6464
6465 /* We don't set drop flags */
6466 data->rx.drop_ip_cs_err_flg = 0;
6467 data->rx.drop_tcp_cs_err_flg = 0;
6468 data->rx.drop_ttl0_flg = 0;
6469 data->rx.drop_udp_cs_err_flg = 0;
6470
6471 data->rx.inner_vlan_removal_enable_flg =
6472 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6473 data->rx.outer_vlan_removal_enable_flg =
6474 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6475 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6476 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6477 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6478 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6479 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6480 data->rx.bd_page_base.lo =
6481 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6482 data->rx.bd_page_base.hi =
6483 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6484 data->rx.sge_page_base.lo =
6485 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6486 data->rx.sge_page_base.hi =
6487 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6488 data->rx.cqe_page_base.lo =
6489 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6490 data->rx.cqe_page_base.hi =
6491 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6492 data->rx.is_leading_rss =
6493 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6494 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6495
6496 /* Tx data */
6497 data->tx.enforce_security_flg = 0; /* VF specific */
6498 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6499 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6500 data->tx.mtu = 0; /* VF specific */
6501 data->tx.tx_bd_page_base.lo =
6502 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6503 data->tx.tx_bd_page_base.hi =
6504 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6505
6506 /* flow control data */
6507 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6508 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6509 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6510 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6511 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6512 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6513 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6514
6515 data->fc.safc_group_num = params->txq_params.cos;
6516 data->fc.safc_group_en_flg =
6517 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006518 data->fc.traffic_type =
6519 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6520 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006521}
6522
6523static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6524{
6525 /* ustorm cxt validation */
6526 cxt->ustorm_ag_context.cdu_usage =
6527 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6528 ETH_CONNECTION_TYPE);
6529 /* xcontext validation */
6530 cxt->xstorm_ag_context.cdu_reserved =
6531 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6532 ETH_CONNECTION_TYPE);
6533}
6534
stephen hemminger8d962862010-10-21 07:50:56 +00006535static int bnx2x_setup_fw_client(struct bnx2x *bp,
6536 struct bnx2x_client_init_params *params,
6537 u8 activate,
6538 struct client_init_ramrod_data *data,
6539 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006540{
6541 u16 hc_usec;
6542 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6543 int ramrod_flags = 0, rc;
6544
6545 /* HC and context validation values */
6546 hc_usec = params->txq_params.hc_rate ?
6547 1000000 / params->txq_params.hc_rate : 0;
6548 bnx2x_update_coalesce_sb_index(bp,
6549 params->txq_params.fw_sb_id,
6550 params->txq_params.sb_cq_index,
6551 !(params->txq_params.flags & QUEUE_FLG_HC),
6552 hc_usec);
6553
6554 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6555
6556 hc_usec = params->rxq_params.hc_rate ?
6557 1000000 / params->rxq_params.hc_rate : 0;
6558 bnx2x_update_coalesce_sb_index(bp,
6559 params->rxq_params.fw_sb_id,
6560 params->rxq_params.sb_cq_index,
6561 !(params->rxq_params.flags & QUEUE_FLG_HC),
6562 hc_usec);
6563
6564 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6565 params->rxq_params.cid);
6566
6567 /* zero stats */
6568 if (params->txq_params.flags & QUEUE_FLG_STATS)
6569 storm_memset_xstats_zero(bp, BP_PORT(bp),
6570 params->txq_params.stat_id);
6571
6572 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6573 storm_memset_ustats_zero(bp, BP_PORT(bp),
6574 params->rxq_params.stat_id);
6575 storm_memset_tstats_zero(bp, BP_PORT(bp),
6576 params->rxq_params.stat_id);
6577 }
6578
6579 /* Fill the ramrod data */
6580 bnx2x_fill_cl_init_data(bp, params, activate, data);
6581
6582 /* SETUP ramrod.
6583 *
6584 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6585 * barrier except from mmiowb() is needed to impose a
6586 * proper ordering of memory operations.
6587 */
6588 mmiowb();
6589
6590
6591 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6592 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006593
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006594 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006595 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6596 params->ramrod_params.index,
6597 params->ramrod_params.pstate,
6598 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006599 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006600}
6601
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006602/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006603 * bnx2x_set_int_mode - configure interrupt mode
6604 *
6605 * @bp: driver handle
6606 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006607 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006608 */
6609static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006610{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006611 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006612
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006613 switch (bp->int_mode) {
6614 case INT_MODE_MSI:
6615 bnx2x_enable_msi(bp);
6616 /* falling through... */
6617 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006618 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006619 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006620 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006621 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006622 /* Set number of queues according to bp->multi_mode value */
6623 bnx2x_set_num_queues(bp);
6624
6625 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6626 bp->num_queues);
6627
6628 /* if we can't use MSI-X we only need one fp,
6629 * so try to enable MSI-X with the requested number of fp's
6630 * and fallback to MSI or legacy INTx with one fp
6631 */
6632 rc = bnx2x_enable_msix(bp);
6633 if (rc) {
6634 /* failed to enable MSI-X */
6635 if (bp->multi_mode)
6636 DP(NETIF_MSG_IFUP,
6637 "Multi requested but failed to "
6638 "enable MSI-X (%d), "
6639 "set number of queues to %d\n",
6640 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006641 1 + NONE_ETH_CONTEXT_USE);
6642 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006643
6644 if (!(bp->flags & DISABLE_MSI_FLAG))
6645 bnx2x_enable_msi(bp);
6646 }
6647
Eilon Greensteinca003922009-08-12 22:53:28 -07006648 break;
6649 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006650
6651 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006652}
6653
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006654/* must be called prioir to any HW initializations */
6655static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6656{
6657 return L2_ILT_LINES(bp);
6658}
6659
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006660void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006661{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006662 struct ilt_client_info *ilt_client;
6663 struct bnx2x_ilt *ilt = BP_ILT(bp);
6664 u16 line = 0;
6665
6666 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6667 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6668
6669 /* CDU */
6670 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6671 ilt_client->client_num = ILT_CLIENT_CDU;
6672 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6673 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6674 ilt_client->start = line;
6675 line += L2_ILT_LINES(bp);
6676#ifdef BCM_CNIC
6677 line += CNIC_ILT_LINES;
6678#endif
6679 ilt_client->end = line - 1;
6680
6681 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6682 "flags 0x%x, hw psz %d\n",
6683 ilt_client->start,
6684 ilt_client->end,
6685 ilt_client->page_size,
6686 ilt_client->flags,
6687 ilog2(ilt_client->page_size >> 12));
6688
6689 /* QM */
6690 if (QM_INIT(bp->qm_cid_count)) {
6691 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6692 ilt_client->client_num = ILT_CLIENT_QM;
6693 ilt_client->page_size = QM_ILT_PAGE_SZ;
6694 ilt_client->flags = 0;
6695 ilt_client->start = line;
6696
6697 /* 4 bytes for each cid */
6698 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6699 QM_ILT_PAGE_SZ);
6700
6701 ilt_client->end = line - 1;
6702
6703 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6704 "flags 0x%x, hw psz %d\n",
6705 ilt_client->start,
6706 ilt_client->end,
6707 ilt_client->page_size,
6708 ilt_client->flags,
6709 ilog2(ilt_client->page_size >> 12));
6710
6711 }
6712 /* SRC */
6713 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6714#ifdef BCM_CNIC
6715 ilt_client->client_num = ILT_CLIENT_SRC;
6716 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6717 ilt_client->flags = 0;
6718 ilt_client->start = line;
6719 line += SRC_ILT_LINES;
6720 ilt_client->end = line - 1;
6721
6722 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6723 "flags 0x%x, hw psz %d\n",
6724 ilt_client->start,
6725 ilt_client->end,
6726 ilt_client->page_size,
6727 ilt_client->flags,
6728 ilog2(ilt_client->page_size >> 12));
6729
6730#else
6731 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6732#endif
6733
6734 /* TM */
6735 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6736#ifdef BCM_CNIC
6737 ilt_client->client_num = ILT_CLIENT_TM;
6738 ilt_client->page_size = TM_ILT_PAGE_SZ;
6739 ilt_client->flags = 0;
6740 ilt_client->start = line;
6741 line += TM_ILT_LINES;
6742 ilt_client->end = line - 1;
6743
6744 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6745 "flags 0x%x, hw psz %d\n",
6746 ilt_client->start,
6747 ilt_client->end,
6748 ilt_client->page_size,
6749 ilt_client->flags,
6750 ilog2(ilt_client->page_size >> 12));
6751
6752#else
6753 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6754#endif
6755}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006756
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006757int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6758 int is_leading)
6759{
6760 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006761 int rc;
6762
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006763 /* reset IGU state skip FCoE L2 queue */
6764 if (!IS_FCOE_FP(fp))
6765 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006766 IGU_INT_ENABLE, 0);
6767
6768 params.ramrod_params.pstate = &fp->state;
6769 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6770 params.ramrod_params.index = fp->index;
6771 params.ramrod_params.cid = fp->cid;
6772
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006773#ifdef BCM_CNIC
6774 if (IS_FCOE_FP(fp))
6775 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6776
6777#endif
6778
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006779 if (is_leading)
6780 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6781
6782 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6783
6784 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6785
6786 rc = bnx2x_setup_fw_client(bp, &params, 1,
6787 bnx2x_sp(bp, client_init_data),
6788 bnx2x_sp_mapping(bp, client_init_data));
6789 return rc;
6790}
6791
stephen hemminger8d962862010-10-21 07:50:56 +00006792static int bnx2x_stop_fw_client(struct bnx2x *bp,
6793 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006794{
6795 int rc;
6796
6797 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6798
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006799 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006800 *p->pstate = BNX2X_FP_STATE_HALTING;
6801 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6802 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006803
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006804 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006805 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6806 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006807 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006808 return rc;
6809
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006810 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6811 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6812 p->cl_id, 0);
6813 /* Wait for completion */
6814 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6815 p->pstate, poll_flag);
6816 if (rc) /* timeout */
6817 return rc;
6818
6819
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006820 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006821 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006822
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006823 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006824 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6825 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006826 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006827}
6828
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006829static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006830{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006831 struct bnx2x_client_ramrod_params client_stop = {0};
6832 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006833
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006834 client_stop.index = index;
6835 client_stop.cid = fp->cid;
6836 client_stop.cl_id = fp->cl_id;
6837 client_stop.pstate = &(fp->state);
6838 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006839
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006840 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006841}
6842
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006843
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006844static void bnx2x_reset_func(struct bnx2x *bp)
6845{
6846 int port = BP_PORT(bp);
6847 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006848 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006849 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006850 (CHIP_IS_E2(bp) ?
6851 offsetof(struct hc_status_block_data_e2, common) :
6852 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006853 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6854 int pfid_offset = offsetof(struct pci_entity, pf_id);
6855
6856 /* Disable the function in the FW */
6857 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6858 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6859 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6860 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6861
6862 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006863 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006864 struct bnx2x_fastpath *fp = &bp->fp[i];
6865 REG_WR8(bp,
6866 BAR_CSTRORM_INTMEM +
6867 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6868 + pfunc_offset_fp + pfid_offset,
6869 HC_FUNCTION_DISABLED);
6870 }
6871
6872 /* SP SB */
6873 REG_WR8(bp,
6874 BAR_CSTRORM_INTMEM +
6875 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6876 pfunc_offset_sp + pfid_offset,
6877 HC_FUNCTION_DISABLED);
6878
6879
6880 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6881 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6882 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006883
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006884 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006885 if (bp->common.int_block == INT_BLOCK_HC) {
6886 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6887 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6888 } else {
6889 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6890 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6891 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006892
Michael Chan37b091b2009-10-10 13:46:55 +00006893#ifdef BCM_CNIC
6894 /* Disable Timer scan */
6895 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6896 /*
6897 * Wait for at least 10ms and up to 2 second for the timers scan to
6898 * complete
6899 */
6900 for (i = 0; i < 200; i++) {
6901 msleep(10);
6902 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6903 break;
6904 }
6905#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006906 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006907 bnx2x_clear_func_ilt(bp, func);
6908
6909 /* Timers workaround bug for E2: if this is vnic-3,
6910 * we need to set the entire ilt range for this timers.
6911 */
6912 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6913 struct ilt_client_info ilt_cli;
6914 /* use dummy TM client */
6915 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6916 ilt_cli.start = 0;
6917 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6918 ilt_cli.client_num = ILT_CLIENT_TM;
6919
6920 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6921 }
6922
6923 /* this assumes that reset_port() called before reset_func()*/
6924 if (CHIP_IS_E2(bp))
6925 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006926
6927 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006928}
6929
6930static void bnx2x_reset_port(struct bnx2x *bp)
6931{
6932 int port = BP_PORT(bp);
6933 u32 val;
6934
6935 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6936
6937 /* Do not rcv packets to BRB */
6938 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6939 /* Do not direct rcv packets that are not for MCP to the BRB */
6940 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6941 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6942
6943 /* Configure AEU */
6944 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6945
6946 msleep(100);
6947 /* Check for BRB port occupancy */
6948 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6949 if (val)
6950 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006951 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006952
6953 /* TODO: Close Doorbell port? */
6954}
6955
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006956static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6957{
6958 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006959 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006960
6961 switch (reset_code) {
6962 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6963 bnx2x_reset_port(bp);
6964 bnx2x_reset_func(bp);
6965 bnx2x_reset_common(bp);
6966 break;
6967
6968 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6969 bnx2x_reset_port(bp);
6970 bnx2x_reset_func(bp);
6971 break;
6972
6973 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6974 bnx2x_reset_func(bp);
6975 break;
6976
6977 default:
6978 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6979 break;
6980 }
6981}
6982
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006983#ifdef BCM_CNIC
6984static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
6985{
6986 if (bp->flags & FCOE_MACS_SET) {
6987 if (!IS_MF_SD(bp))
6988 bnx2x_set_fip_eth_mac_addr(bp, 0);
6989
6990 bnx2x_set_all_enode_macs(bp, 0);
6991
6992 bp->flags &= ~FCOE_MACS_SET;
6993 }
6994}
6995#endif
6996
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006997void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006998{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07006999 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007000 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007001 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007002
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007003 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007004 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007005 struct bnx2x_fastpath *fp = &bp->fp[i];
7006
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007007 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007008 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007009
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007010 if (!cnt) {
7011 BNX2X_ERR("timeout waiting for queue[%d]\n",
7012 i);
7013#ifdef BNX2X_STOP_ON_ERROR
7014 bnx2x_panic();
7015 return -EBUSY;
7016#else
7017 break;
7018#endif
7019 }
7020 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007021 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007022 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007023 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007024 /* Give HW time to discard old tx messages */
7025 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007026
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007027 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007028
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007029 bnx2x_invalidate_uc_list(bp);
7030
7031 if (CHIP_IS_E1(bp))
7032 bnx2x_invalidate_e1_mc_list(bp);
7033 else {
7034 bnx2x_invalidate_e1h_mc_list(bp);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007035 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007036 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007037
Michael Chan993ac7b2009-10-10 13:46:56 +00007038#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007039 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007040#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007041
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007042 if (unload_mode == UNLOAD_NORMAL)
7043 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007044
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007045 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007046 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007047
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007048 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007049 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007050 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007051 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007052 /* The mac address is written to entries 1-4 to
7053 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007054 u8 entry = (BP_E1HVN(bp) + 1)*8;
7055
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007056 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007057 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007058
7059 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7060 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007061 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007062
7063 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007064
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007065 } else
7066 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7067
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007068 /* Close multi and leading connections
7069 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007070 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007071
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007072 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007073#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007074 return;
7075#else
7076 goto unload_error;
7077#endif
7078
7079 rc = bnx2x_func_stop(bp);
7080 if (rc) {
7081 BNX2X_ERR("Function stop failed!\n");
7082#ifdef BNX2X_STOP_ON_ERROR
7083 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007084#else
7085 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007086#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007087 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007088#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007089unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007090#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007091 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007092 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007093 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007094 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7095 "%d, %d, %d\n", BP_PATH(bp),
7096 load_count[BP_PATH(bp)][0],
7097 load_count[BP_PATH(bp)][1],
7098 load_count[BP_PATH(bp)][2]);
7099 load_count[BP_PATH(bp)][0]--;
7100 load_count[BP_PATH(bp)][1 + port]--;
7101 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7102 "%d, %d, %d\n", BP_PATH(bp),
7103 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7104 load_count[BP_PATH(bp)][2]);
7105 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007106 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007107 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007108 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7109 else
7110 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7111 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007112
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007113 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7114 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7115 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007116
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007117 /* Disable HW interrupts, NAPI */
7118 bnx2x_netif_stop(bp, 1);
7119
7120 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007121 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007122
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007123 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007124 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007125
7126 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007127 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007128 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007129
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007130}
7131
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007132void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007133{
7134 u32 val;
7135
7136 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7137
7138 if (CHIP_IS_E1(bp)) {
7139 int port = BP_PORT(bp);
7140 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7141 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7142
7143 val = REG_RD(bp, addr);
7144 val &= ~(0x300);
7145 REG_WR(bp, addr, val);
7146 } else if (CHIP_IS_E1H(bp)) {
7147 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7148 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7149 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7150 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7151 }
7152}
7153
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007154/* Close gates #2, #3 and #4: */
7155static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7156{
7157 u32 val, addr;
7158
7159 /* Gates #2 and #4a are closed/opened for "not E1" only */
7160 if (!CHIP_IS_E1(bp)) {
7161 /* #4 */
7162 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7163 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7164 close ? (val | 0x1) : (val & (~(u32)1)));
7165 /* #2 */
7166 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7167 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7168 close ? (val | 0x1) : (val & (~(u32)1)));
7169 }
7170
7171 /* #3 */
7172 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7173 val = REG_RD(bp, addr);
7174 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7175
7176 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7177 close ? "closing" : "opening");
7178 mmiowb();
7179}
7180
7181#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7182
7183static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7184{
7185 /* Do some magic... */
7186 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7187 *magic_val = val & SHARED_MF_CLP_MAGIC;
7188 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7189}
7190
Dmitry Kravkove8920672011-05-04 23:52:40 +00007191/**
7192 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007193 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007194 * @bp: driver handle
7195 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007196 */
7197static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7198{
7199 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007200 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7201 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7202 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7203}
7204
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007205/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007206 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007207 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007208 * @bp: driver handle
7209 * @magic_val: old value of 'magic' bit.
7210 *
7211 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007212 */
7213static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7214{
7215 u32 shmem;
7216 u32 validity_offset;
7217
7218 DP(NETIF_MSG_HW, "Starting\n");
7219
7220 /* Set `magic' bit in order to save MF config */
7221 if (!CHIP_IS_E1(bp))
7222 bnx2x_clp_reset_prep(bp, magic_val);
7223
7224 /* Get shmem offset */
7225 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7226 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7227
7228 /* Clear validity map flags */
7229 if (shmem > 0)
7230 REG_WR(bp, shmem + validity_offset, 0);
7231}
7232
7233#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7234#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7235
Dmitry Kravkove8920672011-05-04 23:52:40 +00007236/**
7237 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007238 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007239 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007240 */
7241static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7242{
7243 /* special handling for emulation and FPGA,
7244 wait 10 times longer */
7245 if (CHIP_REV_IS_SLOW(bp))
7246 msleep(MCP_ONE_TIMEOUT*10);
7247 else
7248 msleep(MCP_ONE_TIMEOUT);
7249}
7250
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007251/*
7252 * initializes bp->common.shmem_base and waits for validity signature to appear
7253 */
7254static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007255{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007256 int cnt = 0;
7257 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007258
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007259 do {
7260 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7261 if (bp->common.shmem_base) {
7262 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7263 if (val & SHR_MEM_VALIDITY_MB)
7264 return 0;
7265 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007266
7267 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007268
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007269 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007270
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007271 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007272
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007273 return -ENODEV;
7274}
7275
7276static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7277{
7278 int rc = bnx2x_init_shmem(bp);
7279
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007280 /* Restore the `magic' bit value */
7281 if (!CHIP_IS_E1(bp))
7282 bnx2x_clp_reset_done(bp, magic_val);
7283
7284 return rc;
7285}
7286
7287static void bnx2x_pxp_prep(struct bnx2x *bp)
7288{
7289 if (!CHIP_IS_E1(bp)) {
7290 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7291 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7292 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7293 mmiowb();
7294 }
7295}
7296
7297/*
7298 * Reset the whole chip except for:
7299 * - PCIE core
7300 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7301 * one reset bit)
7302 * - IGU
7303 * - MISC (including AEU)
7304 * - GRC
7305 * - RBCN, RBCP
7306 */
7307static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7308{
7309 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7310
7311 not_reset_mask1 =
7312 MISC_REGISTERS_RESET_REG_1_RST_HC |
7313 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7314 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7315
7316 not_reset_mask2 =
7317 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7318 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7319 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7320 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7321 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7322 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7323 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7324 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7325
7326 reset_mask1 = 0xffffffff;
7327
7328 if (CHIP_IS_E1(bp))
7329 reset_mask2 = 0xffff;
7330 else
7331 reset_mask2 = 0x1ffff;
7332
7333 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7334 reset_mask1 & (~not_reset_mask1));
7335 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7336 reset_mask2 & (~not_reset_mask2));
7337
7338 barrier();
7339 mmiowb();
7340
7341 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7342 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7343 mmiowb();
7344}
7345
7346static int bnx2x_process_kill(struct bnx2x *bp)
7347{
7348 int cnt = 1000;
7349 u32 val = 0;
7350 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7351
7352
7353 /* Empty the Tetris buffer, wait for 1s */
7354 do {
7355 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7356 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7357 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7358 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7359 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7360 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7361 ((port_is_idle_0 & 0x1) == 0x1) &&
7362 ((port_is_idle_1 & 0x1) == 0x1) &&
7363 (pgl_exp_rom2 == 0xffffffff))
7364 break;
7365 msleep(1);
7366 } while (cnt-- > 0);
7367
7368 if (cnt <= 0) {
7369 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7370 " are still"
7371 " outstanding read requests after 1s!\n");
7372 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7373 " port_is_idle_0=0x%08x,"
7374 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7375 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7376 pgl_exp_rom2);
7377 return -EAGAIN;
7378 }
7379
7380 barrier();
7381
7382 /* Close gates #2, #3 and #4 */
7383 bnx2x_set_234_gates(bp, true);
7384
7385 /* TBD: Indicate that "process kill" is in progress to MCP */
7386
7387 /* Clear "unprepared" bit */
7388 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7389 barrier();
7390
7391 /* Make sure all is written to the chip before the reset */
7392 mmiowb();
7393
7394 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7395 * PSWHST, GRC and PSWRD Tetris buffer.
7396 */
7397 msleep(1);
7398
7399 /* Prepare to chip reset: */
7400 /* MCP */
7401 bnx2x_reset_mcp_prep(bp, &val);
7402
7403 /* PXP */
7404 bnx2x_pxp_prep(bp);
7405 barrier();
7406
7407 /* reset the chip */
7408 bnx2x_process_kill_chip_reset(bp);
7409 barrier();
7410
7411 /* Recover after reset: */
7412 /* MCP */
7413 if (bnx2x_reset_mcp_comp(bp, val))
7414 return -EAGAIN;
7415
7416 /* PXP */
7417 bnx2x_pxp_prep(bp);
7418
7419 /* Open the gates #2, #3 and #4 */
7420 bnx2x_set_234_gates(bp, false);
7421
7422 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7423 * reset state, re-enable attentions. */
7424
7425 return 0;
7426}
7427
7428static int bnx2x_leader_reset(struct bnx2x *bp)
7429{
7430 int rc = 0;
7431 /* Try to recover after the failure */
7432 if (bnx2x_process_kill(bp)) {
7433 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7434 bp->dev->name);
7435 rc = -EAGAIN;
7436 goto exit_leader_reset;
7437 }
7438
7439 /* Clear "reset is in progress" bit and update the driver state */
7440 bnx2x_set_reset_done(bp);
7441 bp->recovery_state = BNX2X_RECOVERY_DONE;
7442
7443exit_leader_reset:
7444 bp->is_leader = 0;
7445 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7446 smp_wmb();
7447 return rc;
7448}
7449
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007450/* Assumption: runs under rtnl lock. This together with the fact
7451 * that it's called only from bnx2x_reset_task() ensure that it
7452 * will never be called when netif_running(bp->dev) is false.
7453 */
7454static void bnx2x_parity_recover(struct bnx2x *bp)
7455{
7456 DP(NETIF_MSG_HW, "Handling parity\n");
7457 while (1) {
7458 switch (bp->recovery_state) {
7459 case BNX2X_RECOVERY_INIT:
7460 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7461 /* Try to get a LEADER_LOCK HW lock */
7462 if (bnx2x_trylock_hw_lock(bp,
7463 HW_LOCK_RESOURCE_RESERVED_08))
7464 bp->is_leader = 1;
7465
7466 /* Stop the driver */
7467 /* If interface has been removed - break */
7468 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7469 return;
7470
7471 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7472 /* Ensure "is_leader" and "recovery_state"
7473 * update values are seen on other CPUs
7474 */
7475 smp_wmb();
7476 break;
7477
7478 case BNX2X_RECOVERY_WAIT:
7479 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7480 if (bp->is_leader) {
7481 u32 load_counter = bnx2x_get_load_cnt(bp);
7482 if (load_counter) {
7483 /* Wait until all other functions get
7484 * down.
7485 */
7486 schedule_delayed_work(&bp->reset_task,
7487 HZ/10);
7488 return;
7489 } else {
7490 /* If all other functions got down -
7491 * try to bring the chip back to
7492 * normal. In any case it's an exit
7493 * point for a leader.
7494 */
7495 if (bnx2x_leader_reset(bp) ||
7496 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7497 printk(KERN_ERR"%s: Recovery "
7498 "has failed. Power cycle is "
7499 "needed.\n", bp->dev->name);
7500 /* Disconnect this device */
7501 netif_device_detach(bp->dev);
7502 /* Block ifup for all function
7503 * of this ASIC until
7504 * "process kill" or power
7505 * cycle.
7506 */
7507 bnx2x_set_reset_in_progress(bp);
7508 /* Shut down the power */
7509 bnx2x_set_power_state(bp,
7510 PCI_D3hot);
7511 return;
7512 }
7513
7514 return;
7515 }
7516 } else { /* non-leader */
7517 if (!bnx2x_reset_is_done(bp)) {
7518 /* Try to get a LEADER_LOCK HW lock as
7519 * long as a former leader may have
7520 * been unloaded by the user or
7521 * released a leadership by another
7522 * reason.
7523 */
7524 if (bnx2x_trylock_hw_lock(bp,
7525 HW_LOCK_RESOURCE_RESERVED_08)) {
7526 /* I'm a leader now! Restart a
7527 * switch case.
7528 */
7529 bp->is_leader = 1;
7530 break;
7531 }
7532
7533 schedule_delayed_work(&bp->reset_task,
7534 HZ/10);
7535 return;
7536
7537 } else { /* A leader has completed
7538 * the "process kill". It's an exit
7539 * point for a non-leader.
7540 */
7541 bnx2x_nic_load(bp, LOAD_NORMAL);
7542 bp->recovery_state =
7543 BNX2X_RECOVERY_DONE;
7544 smp_wmb();
7545 return;
7546 }
7547 }
7548 default:
7549 return;
7550 }
7551 }
7552}
7553
7554/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7555 * scheduled on a general queue in order to prevent a dead lock.
7556 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007557static void bnx2x_reset_task(struct work_struct *work)
7558{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007559 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007560
7561#ifdef BNX2X_STOP_ON_ERROR
7562 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7563 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007564 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007565 return;
7566#endif
7567
7568 rtnl_lock();
7569
7570 if (!netif_running(bp->dev))
7571 goto reset_task_exit;
7572
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007573 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7574 bnx2x_parity_recover(bp);
7575 else {
7576 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7577 bnx2x_nic_load(bp, LOAD_NORMAL);
7578 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007579
7580reset_task_exit:
7581 rtnl_unlock();
7582}
7583
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007584/* end of nic load/unload */
7585
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007586/*
7587 * Init service functions
7588 */
7589
stephen hemminger8d962862010-10-21 07:50:56 +00007590static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007591{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007592 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7593 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7594 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007595}
7596
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007597static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007598{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007599 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007600
7601 /* Flush all outstanding writes */
7602 mmiowb();
7603
7604 /* Pretend to be function 0 */
7605 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007606 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007607
7608 /* From now we are in the "like-E1" mode */
7609 bnx2x_int_disable(bp);
7610
7611 /* Flush all outstanding writes */
7612 mmiowb();
7613
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007614 /* Restore the original function */
7615 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7616 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007617}
7618
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007619static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007620{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007621 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007622 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007623 else
7624 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007625}
7626
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007627static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007628{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007629 u32 val;
7630
7631 /* Check if there is any driver already loaded */
7632 val = REG_RD(bp, MISC_REG_UNPREPARED);
7633 if (val == 0x1) {
7634 /* Check if it is the UNDI driver
7635 * UNDI driver initializes CID offset for normal bell to 0x7
7636 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007637 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007638 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7639 if (val == 0x7) {
7640 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007641 /* save our pf_num */
7642 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007643 u32 swap_en;
7644 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007645
Eilon Greensteinb4661732009-01-14 06:43:56 +00007646 /* clear the UNDI indication */
7647 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7648
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007649 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7650
7651 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007652 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007653 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007654 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007655 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007656 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007657
7658 /* if UNDI is loaded on the other port */
7659 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7660
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007661 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007662 bnx2x_fw_command(bp,
7663 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007664
7665 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007666 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007667 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007668 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007669 DRV_MSG_SEQ_NUMBER_MASK);
7670 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007671
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007672 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007673 }
7674
Eilon Greensteinb4661732009-01-14 06:43:56 +00007675 /* now it's safe to release the lock */
7676 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7677
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007678 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007679
7680 /* close input traffic and wait for it */
7681 /* Do not rcv packets to BRB */
7682 REG_WR(bp,
7683 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7684 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7685 /* Do not direct rcv packets that are not for MCP to
7686 * the BRB */
7687 REG_WR(bp,
7688 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7689 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7690 /* clear AEU */
7691 REG_WR(bp,
7692 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7693 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7694 msleep(10);
7695
7696 /* save NIG port swap info */
7697 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7698 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007699 /* reset device */
7700 REG_WR(bp,
7701 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007702 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007703 REG_WR(bp,
7704 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7705 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007706 /* take the NIG out of reset and restore swap values */
7707 REG_WR(bp,
7708 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7709 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7710 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7711 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7712
7713 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007714 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007715
7716 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007717 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007718 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007719 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007720 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007721 } else
7722 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007723 }
7724}
7725
7726static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7727{
7728 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007729 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007730
7731 /* Get the chip revision id and number. */
7732 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7733 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7734 id = ((val & 0xffff) << 16);
7735 val = REG_RD(bp, MISC_REG_CHIP_REV);
7736 id |= ((val & 0xf) << 12);
7737 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7738 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007739 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007740 id |= (val & 0xf);
7741 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007742
7743 /* Set doorbell size */
7744 bp->db_size = (1 << BNX2X_DB_SHIFT);
7745
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007746 if (CHIP_IS_E2(bp)) {
7747 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7748 if ((val & 1) == 0)
7749 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7750 else
7751 val = (val >> 1) & 1;
7752 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7753 "2_PORT_MODE");
7754 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7755 CHIP_2_PORT_MODE;
7756
7757 if (CHIP_MODE_IS_4_PORT(bp))
7758 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7759 else
7760 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7761 } else {
7762 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7763 bp->pfid = bp->pf_num; /* 0..7 */
7764 }
7765
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007766 /*
7767 * set base FW non-default (fast path) status block id, this value is
7768 * used to initialize the fw_sb_id saved on the fp/queue structure to
7769 * determine the id used by the FW.
7770 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007771 if (CHIP_IS_E1x(bp))
7772 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7773 else /* E2 */
7774 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7775
7776 bp->link_params.chip_id = bp->common.chip_id;
7777 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007778
Eilon Greenstein1c063282009-02-12 08:36:43 +00007779 val = (REG_RD(bp, 0x2874) & 0x55);
7780 if ((bp->common.chip_id & 0x1) ||
7781 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7782 bp->flags |= ONE_PORT_FLAG;
7783 BNX2X_DEV_INFO("single port device\n");
7784 }
7785
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007786 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7787 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7788 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7789 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7790 bp->common.flash_size, bp->common.flash_size);
7791
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007792 bnx2x_init_shmem(bp);
7793
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007794 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7795 MISC_REG_GENERIC_CR_1 :
7796 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007797
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007798 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007799 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007800 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7801 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007802
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007803 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007804 BNX2X_DEV_INFO("MCP not active\n");
7805 bp->flags |= NO_MCP_FLAG;
7806 return;
7807 }
7808
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007809 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007810 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007811
7812 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7813 SHARED_HW_CFG_LED_MODE_MASK) >>
7814 SHARED_HW_CFG_LED_MODE_SHIFT);
7815
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007816 bp->link_params.feature_config_flags = 0;
7817 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7818 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7819 bp->link_params.feature_config_flags |=
7820 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7821 else
7822 bp->link_params.feature_config_flags &=
7823 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7824
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007825 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7826 bp->common.bc_ver = val;
7827 BNX2X_DEV_INFO("bc_ver %X\n", val);
7828 if (val < BNX2X_BC_VER) {
7829 /* for now only warn
7830 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007831 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7832 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007833 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007834 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007835 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007836 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7837
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007838 bp->link_params.feature_config_flags |=
7839 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7840 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007841
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00007842 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7843 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7844
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007845 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007846 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007847
7848 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7849 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7850 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7851 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7852
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007853 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7854 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007855}
7856
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007857#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7858#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7859
7860static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7861{
7862 int pfid = BP_FUNC(bp);
7863 int vn = BP_E1HVN(bp);
7864 int igu_sb_id;
7865 u32 val;
7866 u8 fid;
7867
7868 bp->igu_base_sb = 0xff;
7869 bp->igu_sb_cnt = 0;
7870 if (CHIP_INT_MODE_IS_BC(bp)) {
7871 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007872 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007873
7874 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7875 FP_SB_MAX_E1x;
7876
7877 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7878 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7879
7880 return;
7881 }
7882
7883 /* IGU in normal mode - read CAM */
7884 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7885 igu_sb_id++) {
7886 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7887 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7888 continue;
7889 fid = IGU_FID(val);
7890 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7891 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7892 continue;
7893 if (IGU_VEC(val) == 0)
7894 /* default status block */
7895 bp->igu_dsb_id = igu_sb_id;
7896 else {
7897 if (bp->igu_base_sb == 0xff)
7898 bp->igu_base_sb = igu_sb_id;
7899 bp->igu_sb_cnt++;
7900 }
7901 }
7902 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007903 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
7904 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007905 if (bp->igu_sb_cnt == 0)
7906 BNX2X_ERR("CAM configuration error\n");
7907}
7908
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007909static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7910 u32 switch_cfg)
7911{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007912 int cfg_size = 0, idx, port = BP_PORT(bp);
7913
7914 /* Aggregation of supported attributes of all external phys */
7915 bp->port.supported[0] = 0;
7916 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007917 switch (bp->link_params.num_phys) {
7918 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007919 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
7920 cfg_size = 1;
7921 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007922 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007923 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
7924 cfg_size = 1;
7925 break;
7926 case 3:
7927 if (bp->link_params.multi_phy_config &
7928 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
7929 bp->port.supported[1] =
7930 bp->link_params.phy[EXT_PHY1].supported;
7931 bp->port.supported[0] =
7932 bp->link_params.phy[EXT_PHY2].supported;
7933 } else {
7934 bp->port.supported[0] =
7935 bp->link_params.phy[EXT_PHY1].supported;
7936 bp->port.supported[1] =
7937 bp->link_params.phy[EXT_PHY2].supported;
7938 }
7939 cfg_size = 2;
7940 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007941 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007942
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007943 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007944 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007945 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007946 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007947 dev_info.port_hw_config[port].external_phy_config),
7948 SHMEM_RD(bp,
7949 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007950 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007951 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007952
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007953 switch (switch_cfg) {
7954 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007955 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7956 port*0x10);
7957 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007958 break;
7959
7960 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007961 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7962 port*0x18);
7963 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007964 break;
7965
7966 default:
7967 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007968 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007969 return;
7970 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007971 /* mask what we support according to speed_cap_mask per configuration */
7972 for (idx = 0; idx < cfg_size; idx++) {
7973 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007974 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007975 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007976
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007977 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007978 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007979 bp->port.supported[idx] &= ~SUPPORTED_10baseT_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_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007983 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
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_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007987 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007988
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007989 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007990 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007991 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007992 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007993
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007994 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007995 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007996 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007997
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007998 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007999 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008000 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008001
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008002 }
8003
8004 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8005 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008006}
8007
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008008static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008009{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008010 u32 link_config, idx, cfg_size = 0;
8011 bp->port.advertising[0] = 0;
8012 bp->port.advertising[1] = 0;
8013 switch (bp->link_params.num_phys) {
8014 case 1:
8015 case 2:
8016 cfg_size = 1;
8017 break;
8018 case 3:
8019 cfg_size = 2;
8020 break;
8021 }
8022 for (idx = 0; idx < cfg_size; idx++) {
8023 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8024 link_config = bp->port.link_config[idx];
8025 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008026 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008027 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8028 bp->link_params.req_line_speed[idx] =
8029 SPEED_AUTO_NEG;
8030 bp->port.advertising[idx] |=
8031 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008032 } else {
8033 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008034 bp->link_params.req_line_speed[idx] =
8035 SPEED_10000;
8036 bp->port.advertising[idx] |=
8037 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008038 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008039 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008040 }
8041 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008042
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008043 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008044 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8045 bp->link_params.req_line_speed[idx] =
8046 SPEED_10;
8047 bp->port.advertising[idx] |=
8048 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008049 ADVERTISED_TP);
8050 } else {
8051 BNX2X_ERROR("NVRAM config error. "
8052 "Invalid link_config 0x%x"
8053 " speed_cap_mask 0x%x\n",
8054 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008055 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008056 return;
8057 }
8058 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008059
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008060 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008061 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8062 bp->link_params.req_line_speed[idx] =
8063 SPEED_10;
8064 bp->link_params.req_duplex[idx] =
8065 DUPLEX_HALF;
8066 bp->port.advertising[idx] |=
8067 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008068 ADVERTISED_TP);
8069 } else {
8070 BNX2X_ERROR("NVRAM config error. "
8071 "Invalid link_config 0x%x"
8072 " speed_cap_mask 0x%x\n",
8073 link_config,
8074 bp->link_params.speed_cap_mask[idx]);
8075 return;
8076 }
8077 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008078
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008079 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8080 if (bp->port.supported[idx] &
8081 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008082 bp->link_params.req_line_speed[idx] =
8083 SPEED_100;
8084 bp->port.advertising[idx] |=
8085 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008086 ADVERTISED_TP);
8087 } else {
8088 BNX2X_ERROR("NVRAM config error. "
8089 "Invalid link_config 0x%x"
8090 " speed_cap_mask 0x%x\n",
8091 link_config,
8092 bp->link_params.speed_cap_mask[idx]);
8093 return;
8094 }
8095 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008096
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008097 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8098 if (bp->port.supported[idx] &
8099 SUPPORTED_100baseT_Half) {
8100 bp->link_params.req_line_speed[idx] =
8101 SPEED_100;
8102 bp->link_params.req_duplex[idx] =
8103 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008104 bp->port.advertising[idx] |=
8105 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008106 ADVERTISED_TP);
8107 } else {
8108 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008109 "Invalid link_config 0x%x"
8110 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008111 link_config,
8112 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008113 return;
8114 }
8115 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008116
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008117 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008118 if (bp->port.supported[idx] &
8119 SUPPORTED_1000baseT_Full) {
8120 bp->link_params.req_line_speed[idx] =
8121 SPEED_1000;
8122 bp->port.advertising[idx] |=
8123 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008124 ADVERTISED_TP);
8125 } else {
8126 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008127 "Invalid link_config 0x%x"
8128 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008129 link_config,
8130 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008131 return;
8132 }
8133 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008134
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008135 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008136 if (bp->port.supported[idx] &
8137 SUPPORTED_2500baseX_Full) {
8138 bp->link_params.req_line_speed[idx] =
8139 SPEED_2500;
8140 bp->port.advertising[idx] |=
8141 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008142 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008143 } else {
8144 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008145 "Invalid link_config 0x%x"
8146 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008147 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008148 bp->link_params.speed_cap_mask[idx]);
8149 return;
8150 }
8151 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008152
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008153 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8154 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8155 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008156 if (bp->port.supported[idx] &
8157 SUPPORTED_10000baseT_Full) {
8158 bp->link_params.req_line_speed[idx] =
8159 SPEED_10000;
8160 bp->port.advertising[idx] |=
8161 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008162 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008163 } else {
8164 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008165 "Invalid link_config 0x%x"
8166 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008167 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008168 bp->link_params.speed_cap_mask[idx]);
8169 return;
8170 }
8171 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008172
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008173 default:
8174 BNX2X_ERROR("NVRAM config error. "
8175 "BAD link speed link_config 0x%x\n",
8176 link_config);
8177 bp->link_params.req_line_speed[idx] =
8178 SPEED_AUTO_NEG;
8179 bp->port.advertising[idx] =
8180 bp->port.supported[idx];
8181 break;
8182 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008183
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008184 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008185 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008186 if ((bp->link_params.req_flow_ctrl[idx] ==
8187 BNX2X_FLOW_CTRL_AUTO) &&
8188 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8189 bp->link_params.req_flow_ctrl[idx] =
8190 BNX2X_FLOW_CTRL_NONE;
8191 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008192
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008193 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8194 " 0x%x advertising 0x%x\n",
8195 bp->link_params.req_line_speed[idx],
8196 bp->link_params.req_duplex[idx],
8197 bp->link_params.req_flow_ctrl[idx],
8198 bp->port.advertising[idx]);
8199 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008200}
8201
Michael Chane665bfd2009-10-10 13:46:54 +00008202static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8203{
8204 mac_hi = cpu_to_be16(mac_hi);
8205 mac_lo = cpu_to_be32(mac_lo);
8206 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8207 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8208}
8209
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008210static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008211{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008212 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008213 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008214 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008215
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008216 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008217 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008218
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008219 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008220 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008221
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008222 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008223 SHMEM_RD(bp,
8224 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008225 bp->link_params.speed_cap_mask[1] =
8226 SHMEM_RD(bp,
8227 dev_info.port_hw_config[port].speed_capability_mask2);
8228 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008229 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8230
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008231 bp->port.link_config[1] =
8232 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008233
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008234 bp->link_params.multi_phy_config =
8235 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008236 /* If the device is capable of WoL, set the default state according
8237 * to the HW
8238 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008239 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008240 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8241 (config & PORT_FEATURE_WOL_ENABLED));
8242
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008243 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008244 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008245 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008246 bp->link_params.speed_cap_mask[0],
8247 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008248
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008249 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008250 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008251 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008252 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008253
8254 bnx2x_link_settings_requested(bp);
8255
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008256 /*
8257 * If connected directly, work with the internal PHY, otherwise, work
8258 * with the external PHY
8259 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008260 ext_phy_config =
8261 SHMEM_RD(bp,
8262 dev_info.port_hw_config[port].external_phy_config);
8263 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008264 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008265 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008266
8267 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8268 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8269 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008270 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008271
8272 /*
8273 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8274 * In MF mode, it is set to cover self test cases
8275 */
8276 if (IS_MF(bp))
8277 bp->port.need_hw_lock = 1;
8278 else
8279 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8280 bp->common.shmem_base,
8281 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008282}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008283
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008284#ifdef BCM_CNIC
8285static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8286{
8287 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8288 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8289 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8290 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8291
8292 /* Get the number of maximum allowed iSCSI and FCoE connections */
8293 bp->cnic_eth_dev.max_iscsi_conn =
8294 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8295 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8296
8297 bp->cnic_eth_dev.max_fcoe_conn =
8298 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8299 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8300
8301 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8302 bp->cnic_eth_dev.max_iscsi_conn,
8303 bp->cnic_eth_dev.max_fcoe_conn);
8304
8305 /* If mamimum allowed number of connections is zero -
8306 * disable the feature.
8307 */
8308 if (!bp->cnic_eth_dev.max_iscsi_conn)
8309 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8310
8311 if (!bp->cnic_eth_dev.max_fcoe_conn)
8312 bp->flags |= NO_FCOE_FLAG;
8313}
8314#endif
8315
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008316static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8317{
8318 u32 val, val2;
8319 int func = BP_ABS_FUNC(bp);
8320 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008321#ifdef BCM_CNIC
8322 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8323 u8 *fip_mac = bp->fip_mac;
8324#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008325
8326 if (BP_NOMCP(bp)) {
8327 BNX2X_ERROR("warning: random MAC workaround active\n");
8328 random_ether_addr(bp->dev->dev_addr);
8329 } else if (IS_MF(bp)) {
8330 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8331 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8332 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8333 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8334 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8335
8336#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008337 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8338 * FCoE MAC then the appropriate feature should be disabled.
8339 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008340 if (IS_MF_SI(bp)) {
8341 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8342 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8343 val2 = MF_CFG_RD(bp, func_ext_config[func].
8344 iscsi_mac_addr_upper);
8345 val = MF_CFG_RD(bp, func_ext_config[func].
8346 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008347 BNX2X_DEV_INFO("Read iSCSI MAC: "
8348 "0x%x:0x%04x\n", val2, val);
8349 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008350 } else
8351 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8352
8353 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8354 val2 = MF_CFG_RD(bp, func_ext_config[func].
8355 fcoe_mac_addr_upper);
8356 val = MF_CFG_RD(bp, func_ext_config[func].
8357 fcoe_mac_addr_lower);
8358 BNX2X_DEV_INFO("Read FCoE MAC to "
8359 "0x%x:0x%04x\n", val2, val);
8360 bnx2x_set_mac_buf(fip_mac, val, val2);
8361
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008362 } else
8363 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008364 }
8365#endif
8366 } else {
8367 /* in SF read MACs from port configuration */
8368 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8369 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8370 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8371
8372#ifdef BCM_CNIC
8373 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8374 iscsi_mac_upper);
8375 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8376 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008377 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008378#endif
8379 }
8380
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008381 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8382 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008383
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008384#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008385 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008386 if (!CHIP_IS_E1x(bp)) {
8387 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008388 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8389 else if (!IS_MF(bp))
8390 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008391 }
Dmitry Kravkov426b9242011-05-04 23:49:53 +00008392
8393 /* Disable iSCSI if MAC configuration is
8394 * invalid.
8395 */
8396 if (!is_valid_ether_addr(iscsi_mac)) {
8397 bp->flags |= NO_ISCSI_FLAG;
8398 memset(iscsi_mac, 0, ETH_ALEN);
8399 }
8400
8401 /* Disable FCoE if MAC configuration is
8402 * invalid.
8403 */
8404 if (!is_valid_ether_addr(fip_mac)) {
8405 bp->flags |= NO_FCOE_FLAG;
8406 memset(bp->fip_mac, 0, ETH_ALEN);
8407 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008408#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008409}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008410
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008411static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8412{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008413 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07008414 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008415 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008416 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008417
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008418 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008419
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008420 if (CHIP_IS_E1x(bp)) {
8421 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008422
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008423 bp->igu_dsb_id = DEF_SB_IGU_ID;
8424 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008425 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8426 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008427 } else {
8428 bp->common.int_block = INT_BLOCK_IGU;
8429 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8430 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8431 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8432 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8433 } else
8434 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8435
8436 bnx2x_get_igu_cam_info(bp);
8437
8438 }
8439 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8440 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8441
8442 /*
8443 * Initialize MF configuration
8444 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008445
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008446 bp->mf_ov = 0;
8447 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008448 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008449
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008450 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008451 DP(NETIF_MSG_PROBE,
8452 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8453 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8454 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008455 if (SHMEM2_HAS(bp, mf_cfg_addr))
8456 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8457 else
8458 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008459 offsetof(struct shmem_region, func_mb) +
8460 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008461 /*
8462 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008463 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008464 * 2. MAC address must be legal (check only upper bytes)
8465 * for Switch-Independent mode;
8466 * OVLAN must be legal for Switch-Dependent mode
8467 * 3. SF_MODE configures specific MF mode
8468 */
8469 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8470 /* get mf configuration */
8471 val = SHMEM_RD(bp,
8472 dev_info.shared_feature_config.config);
8473 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008474
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008475 switch (val) {
8476 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8477 val = MF_CFG_RD(bp, func_mf_config[func].
8478 mac_upper);
8479 /* check for legal mac (upper bytes)*/
8480 if (val != 0xffff) {
8481 bp->mf_mode = MULTI_FUNCTION_SI;
8482 bp->mf_config[vn] = MF_CFG_RD(bp,
8483 func_mf_config[func].config);
8484 } else
8485 DP(NETIF_MSG_PROBE, "illegal MAC "
8486 "address for SI\n");
8487 break;
8488 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8489 /* get OV configuration */
8490 val = MF_CFG_RD(bp,
8491 func_mf_config[FUNC_0].e1hov_tag);
8492 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8493
8494 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8495 bp->mf_mode = MULTI_FUNCTION_SD;
8496 bp->mf_config[vn] = MF_CFG_RD(bp,
8497 func_mf_config[func].config);
8498 } else
8499 DP(NETIF_MSG_PROBE, "illegal OV for "
8500 "SD\n");
8501 break;
8502 default:
8503 /* Unknown configuration: reset mf_config */
8504 bp->mf_config[vn] = 0;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008505 DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008506 val);
8507 }
8508 }
8509
Eilon Greenstein2691d512009-08-12 08:22:08 +00008510 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008511 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008512
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008513 switch (bp->mf_mode) {
8514 case MULTI_FUNCTION_SD:
8515 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8516 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008517 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008518 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008519 BNX2X_DEV_INFO("MF OV for func %d is %d"
8520 " (0x%04x)\n", func,
8521 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008522 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008523 BNX2X_ERR("No valid MF OV for func %d,"
8524 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008525 rc = -EPERM;
8526 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008527 break;
8528 case MULTI_FUNCTION_SI:
8529 BNX2X_DEV_INFO("func %d is in MF "
8530 "switch-independent mode\n", func);
8531 break;
8532 default:
8533 if (vn) {
8534 BNX2X_ERR("VN %d in single function mode,"
8535 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008536 rc = -EPERM;
8537 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008538 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008539 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008540
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008541 }
8542
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008543 /* adjust igu_sb_cnt to MF for E1x */
8544 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008545 bp->igu_sb_cnt /= E1HVN_MAX;
8546
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008547 /*
8548 * adjust E2 sb count: to be removed when FW will support
8549 * more then 16 L2 clients
8550 */
8551#define MAX_L2_CLIENTS 16
8552 if (CHIP_IS_E2(bp))
8553 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8554 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8555
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008556 if (!BP_NOMCP(bp)) {
8557 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008558
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008559 bp->fw_seq =
8560 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8561 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008562 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8563 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008564
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008565 /* Get MAC addresses */
8566 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008567
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008568#ifdef BCM_CNIC
8569 bnx2x_get_cnic_info(bp);
8570#endif
8571
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008572 return rc;
8573}
8574
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008575static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8576{
8577 int cnt, i, block_end, rodi;
8578 char vpd_data[BNX2X_VPD_LEN+1];
8579 char str_id_reg[VENDOR_ID_LEN+1];
8580 char str_id_cap[VENDOR_ID_LEN+1];
8581 u8 len;
8582
8583 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8584 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8585
8586 if (cnt < BNX2X_VPD_LEN)
8587 goto out_not_found;
8588
8589 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8590 PCI_VPD_LRDT_RO_DATA);
8591 if (i < 0)
8592 goto out_not_found;
8593
8594
8595 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8596 pci_vpd_lrdt_size(&vpd_data[i]);
8597
8598 i += PCI_VPD_LRDT_TAG_SIZE;
8599
8600 if (block_end > BNX2X_VPD_LEN)
8601 goto out_not_found;
8602
8603 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8604 PCI_VPD_RO_KEYWORD_MFR_ID);
8605 if (rodi < 0)
8606 goto out_not_found;
8607
8608 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8609
8610 if (len != VENDOR_ID_LEN)
8611 goto out_not_found;
8612
8613 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8614
8615 /* vendor specific info */
8616 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8617 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8618 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8619 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8620
8621 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8622 PCI_VPD_RO_KEYWORD_VENDOR0);
8623 if (rodi >= 0) {
8624 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8625
8626 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8627
8628 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8629 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8630 bp->fw_ver[len] = ' ';
8631 }
8632 }
8633 return;
8634 }
8635out_not_found:
8636 return;
8637}
8638
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008639static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8640{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008641 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008642 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008643 int rc;
8644
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008645 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008646 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008647 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008648#ifdef BCM_CNIC
8649 mutex_init(&bp->cnic_mutex);
8650#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008651
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008652 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008653 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008654
8655 rc = bnx2x_get_hwinfo(bp);
8656
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008657 if (!rc)
8658 rc = bnx2x_alloc_mem_bp(bp);
8659
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008660 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008661
8662 func = BP_FUNC(bp);
8663
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008664 /* need to reset chip if undi was active */
8665 if (!BP_NOMCP(bp))
8666 bnx2x_undi_unload(bp);
8667
8668 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008669 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008670
8671 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008672 dev_err(&bp->pdev->dev, "MCP disabled, "
8673 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008674
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008675 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008676 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008677
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008678 /* Set TPA flags */
8679 if (disable_tpa) {
8680 bp->flags &= ~TPA_ENABLE_FLAG;
8681 bp->dev->features &= ~NETIF_F_LRO;
8682 } else {
8683 bp->flags |= TPA_ENABLE_FLAG;
8684 bp->dev->features |= NETIF_F_LRO;
8685 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008686 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008687
Eilon Greensteina18f5122009-08-12 08:23:26 +00008688 if (CHIP_IS_E1(bp))
8689 bp->dropless_fc = 0;
8690 else
8691 bp->dropless_fc = dropless_fc;
8692
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008693 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008694
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008695 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008696
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008697 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008698 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8699 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008700
Eilon Greenstein87942b42009-02-12 08:36:49 +00008701 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8702 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008703
8704 init_timer(&bp->timer);
8705 bp->timer.expires = jiffies + bp->current_interval;
8706 bp->timer.data = (unsigned long) bp;
8707 bp->timer.function = bnx2x_timer;
8708
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008709 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008710 bnx2x_dcbx_init_params(bp);
8711
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008712 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008713}
8714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008715
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008716/****************************************************************************
8717* General service functions
8718****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008719
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008720/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008721static int bnx2x_open(struct net_device *dev)
8722{
8723 struct bnx2x *bp = netdev_priv(dev);
8724
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008725 netif_carrier_off(dev);
8726
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008727 bnx2x_set_power_state(bp, PCI_D0);
8728
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008729 if (!bnx2x_reset_is_done(bp)) {
8730 do {
8731 /* Reset MCP mail box sequence if there is on going
8732 * recovery
8733 */
8734 bp->fw_seq = 0;
8735
8736 /* If it's the first function to load and reset done
8737 * is still not cleared it may mean that. We don't
8738 * check the attention state here because it may have
8739 * already been cleared by a "common" reset but we
8740 * shell proceed with "process kill" anyway.
8741 */
8742 if ((bnx2x_get_load_cnt(bp) == 0) &&
8743 bnx2x_trylock_hw_lock(bp,
8744 HW_LOCK_RESOURCE_RESERVED_08) &&
8745 (!bnx2x_leader_reset(bp))) {
8746 DP(NETIF_MSG_HW, "Recovered in open\n");
8747 break;
8748 }
8749
8750 bnx2x_set_power_state(bp, PCI_D3hot);
8751
8752 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8753 " completed yet. Try again later. If u still see this"
8754 " message after a few retries then power cycle is"
8755 " required.\n", bp->dev->name);
8756
8757 return -EAGAIN;
8758 } while (0);
8759 }
8760
8761 bp->recovery_state = BNX2X_RECOVERY_DONE;
8762
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008763 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008764}
8765
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008766/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008767static int bnx2x_close(struct net_device *dev)
8768{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008769 struct bnx2x *bp = netdev_priv(dev);
8770
8771 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008772 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008773 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008774
8775 return 0;
8776}
8777
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008778#define E1_MAX_UC_LIST 29
8779#define E1H_MAX_UC_LIST 30
8780#define E2_MAX_UC_LIST 14
8781static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
8782{
8783 if (CHIP_IS_E1(bp))
8784 return E1_MAX_UC_LIST;
8785 else if (CHIP_IS_E1H(bp))
8786 return E1H_MAX_UC_LIST;
8787 else
8788 return E2_MAX_UC_LIST;
8789}
8790
8791
8792static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
8793{
8794 if (CHIP_IS_E1(bp))
8795 /* CAM Entries for Port0:
8796 * 0 - prim ETH MAC
8797 * 1 - BCAST MAC
8798 * 2 - iSCSI L2 ring ETH MAC
8799 * 3-31 - UC MACs
8800 *
8801 * Port1 entries are allocated the same way starting from
8802 * entry 32.
8803 */
8804 return 3 + 32 * BP_PORT(bp);
8805 else if (CHIP_IS_E1H(bp)) {
8806 /* CAM Entries:
8807 * 0-7 - prim ETH MAC for each function
8808 * 8-15 - iSCSI L2 ring ETH MAC for each function
8809 * 16 till 255 UC MAC lists for each function
8810 *
8811 * Remark: There is no FCoE support for E1H, thus FCoE related
8812 * MACs are not considered.
8813 */
8814 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
8815 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
8816 } else {
8817 /* CAM Entries (there is a separate CAM per engine):
8818 * 0-4 - prim ETH MAC for each function
8819 * 4-7 - iSCSI L2 ring ETH MAC for each function
8820 * 8-11 - FIP ucast L2 MAC for each function
8821 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
8822 * 16 till 71 UC MAC lists for each function
8823 */
8824 u8 func_idx =
8825 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
8826
8827 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
8828 bnx2x_max_uc_list(bp) * func_idx;
8829 }
8830}
8831
8832/* set uc list, do not wait as wait implies sleep and
8833 * set_rx_mode can be invoked from non-sleepable context.
8834 *
8835 * Instead we use the same ramrod data buffer each time we need
8836 * to configure a list of addresses, and use the fact that the
8837 * list of MACs is changed in an incremental way and that the
8838 * function is called under the netif_addr_lock. A temporary
8839 * inconsistent CAM configuration (possible in case of very fast
8840 * sequence of add/del/add on the host side) will shortly be
8841 * restored by the handler of the last ramrod.
8842 */
8843static int bnx2x_set_uc_list(struct bnx2x *bp)
8844{
8845 int i = 0, old;
8846 struct net_device *dev = bp->dev;
8847 u8 offset = bnx2x_uc_list_cam_offset(bp);
8848 struct netdev_hw_addr *ha;
8849 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8850 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8851
8852 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
8853 return -EINVAL;
8854
8855 netdev_for_each_uc_addr(ha, dev) {
8856 /* copy mac */
8857 config_cmd->config_table[i].msb_mac_addr =
8858 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
8859 config_cmd->config_table[i].middle_mac_addr =
8860 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
8861 config_cmd->config_table[i].lsb_mac_addr =
8862 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
8863
8864 config_cmd->config_table[i].vlan_id = 0;
8865 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
8866 config_cmd->config_table[i].clients_bit_vector =
8867 cpu_to_le32(1 << BP_L_ID(bp));
8868
8869 SET_FLAG(config_cmd->config_table[i].flags,
8870 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8871 T_ETH_MAC_COMMAND_SET);
8872
8873 DP(NETIF_MSG_IFUP,
8874 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
8875 config_cmd->config_table[i].msb_mac_addr,
8876 config_cmd->config_table[i].middle_mac_addr,
8877 config_cmd->config_table[i].lsb_mac_addr);
8878
8879 i++;
8880
8881 /* Set uc MAC in NIG */
8882 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
8883 LLH_CAM_ETH_LINE + i);
8884 }
8885 old = config_cmd->hdr.length;
8886 if (old > i) {
8887 for (; i < old; i++) {
8888 if (CAM_IS_INVALID(config_cmd->
8889 config_table[i])) {
8890 /* already invalidated */
8891 break;
8892 }
8893 /* invalidate */
8894 SET_FLAG(config_cmd->config_table[i].flags,
8895 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8896 T_ETH_MAC_COMMAND_INVALIDATE);
8897 }
8898 }
8899
8900 wmb();
8901
8902 config_cmd->hdr.length = i;
8903 config_cmd->hdr.offset = offset;
8904 config_cmd->hdr.client_id = 0xff;
8905 /* Mark that this ramrod doesn't use bp->set_mac_pending for
8906 * synchronization.
8907 */
8908 config_cmd->hdr.echo = 0;
8909
8910 mb();
8911
8912 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8913 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8914
8915}
8916
8917void bnx2x_invalidate_uc_list(struct bnx2x *bp)
8918{
8919 int i;
8920 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8921 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8922 int ramrod_flags = WAIT_RAMROD_COMMON;
8923 u8 offset = bnx2x_uc_list_cam_offset(bp);
8924 u8 max_list_size = bnx2x_max_uc_list(bp);
8925
8926 for (i = 0; i < max_list_size; i++) {
8927 SET_FLAG(config_cmd->config_table[i].flags,
8928 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8929 T_ETH_MAC_COMMAND_INVALIDATE);
8930 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
8931 }
8932
8933 wmb();
8934
8935 config_cmd->hdr.length = max_list_size;
8936 config_cmd->hdr.offset = offset;
8937 config_cmd->hdr.client_id = 0xff;
8938 /* We'll wait for a completion this time... */
8939 config_cmd->hdr.echo = 1;
8940
8941 bp->set_mac_pending = 1;
8942
8943 mb();
8944
8945 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8946 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8947
8948 /* Wait for a completion */
8949 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
8950 ramrod_flags);
8951
8952}
8953
8954static inline int bnx2x_set_mc_list(struct bnx2x *bp)
8955{
8956 /* some multicasts */
8957 if (CHIP_IS_E1(bp)) {
8958 return bnx2x_set_e1_mc_list(bp);
8959 } else { /* E1H and newer */
8960 return bnx2x_set_e1h_mc_list(bp);
8961 }
8962}
8963
Eilon Greensteinf5372252009-02-12 08:38:30 +00008964/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008965void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008966{
8967 struct bnx2x *bp = netdev_priv(dev);
8968 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008969
8970 if (bp->state != BNX2X_STATE_OPEN) {
8971 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8972 return;
8973 }
8974
8975 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8976
8977 if (dev->flags & IFF_PROMISC)
8978 rx_mode = BNX2X_RX_MODE_PROMISC;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008979 else if (dev->flags & IFF_ALLMULTI)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008980 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008981 else {
8982 /* some multicasts */
8983 if (bnx2x_set_mc_list(bp))
8984 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008985
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008986 /* some unicasts */
8987 if (bnx2x_set_uc_list(bp))
8988 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008989 }
8990
8991 bp->rx_mode = rx_mode;
8992 bnx2x_set_storm_rx_mode(bp);
8993}
8994
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008995/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008996static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
8997 int devad, u16 addr)
8998{
8999 struct bnx2x *bp = netdev_priv(netdev);
9000 u16 value;
9001 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009002
9003 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
9004 prtad, devad, addr);
9005
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009006 /* The HW expects different devad if CL22 is used */
9007 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9008
9009 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009010 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009011 bnx2x_release_phy_lock(bp);
9012 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
9013
9014 if (!rc)
9015 rc = value;
9016 return rc;
9017}
9018
9019/* called with rtnl_lock */
9020static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
9021 u16 addr, u16 value)
9022{
9023 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009024 int rc;
9025
9026 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9027 " value 0x%x\n", prtad, devad, addr, value);
9028
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009029 /* The HW expects different devad if CL22 is used */
9030 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9031
9032 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009033 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009034 bnx2x_release_phy_lock(bp);
9035 return rc;
9036}
9037
9038/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009039static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9040{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009041 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009042 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009043
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009044 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9045 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009046
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009047 if (!netif_running(dev))
9048 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009049
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009050 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009051}
9052
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009053#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009054static void poll_bnx2x(struct net_device *dev)
9055{
9056 struct bnx2x *bp = netdev_priv(dev);
9057
9058 disable_irq(bp->pdev->irq);
9059 bnx2x_interrupt(bp->pdev->irq, dev);
9060 enable_irq(bp->pdev->irq);
9061}
9062#endif
9063
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009064static const struct net_device_ops bnx2x_netdev_ops = {
9065 .ndo_open = bnx2x_open,
9066 .ndo_stop = bnx2x_close,
9067 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009068 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009069 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009070 .ndo_set_mac_address = bnx2x_change_mac_addr,
9071 .ndo_validate_addr = eth_validate_addr,
9072 .ndo_do_ioctl = bnx2x_ioctl,
9073 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +00009074 .ndo_fix_features = bnx2x_fix_features,
9075 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009076 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009077#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009078 .ndo_poll_controller = poll_bnx2x,
9079#endif
9080};
9081
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009082static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9083 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009084{
9085 struct bnx2x *bp;
9086 int rc;
9087
9088 SET_NETDEV_DEV(dev, &pdev->dev);
9089 bp = netdev_priv(dev);
9090
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009091 bp->dev = dev;
9092 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009093 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009094 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009095
9096 rc = pci_enable_device(pdev);
9097 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009098 dev_err(&bp->pdev->dev,
9099 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009100 goto err_out;
9101 }
9102
9103 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009104 dev_err(&bp->pdev->dev,
9105 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009106 rc = -ENODEV;
9107 goto err_out_disable;
9108 }
9109
9110 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009111 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9112 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009113 rc = -ENODEV;
9114 goto err_out_disable;
9115 }
9116
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009117 if (atomic_read(&pdev->enable_cnt) == 1) {
9118 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9119 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009120 dev_err(&bp->pdev->dev,
9121 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009122 goto err_out_disable;
9123 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009124
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009125 pci_set_master(pdev);
9126 pci_save_state(pdev);
9127 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009128
9129 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9130 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009131 dev_err(&bp->pdev->dev,
9132 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009133 rc = -EIO;
9134 goto err_out_release;
9135 }
9136
9137 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9138 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009139 dev_err(&bp->pdev->dev,
9140 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009141 rc = -EIO;
9142 goto err_out_release;
9143 }
9144
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009145 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009146 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009147 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009148 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9149 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009150 rc = -EIO;
9151 goto err_out_release;
9152 }
9153
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009154 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009155 dev_err(&bp->pdev->dev,
9156 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009157 rc = -EIO;
9158 goto err_out_release;
9159 }
9160
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009161 dev->mem_start = pci_resource_start(pdev, 0);
9162 dev->base_addr = dev->mem_start;
9163 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009164
9165 dev->irq = pdev->irq;
9166
Arjan van de Ven275f1652008-10-20 21:42:39 -07009167 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009168 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009169 dev_err(&bp->pdev->dev,
9170 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009171 rc = -ENOMEM;
9172 goto err_out_release;
9173 }
9174
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009175 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009176 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009177 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009178 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009179 dev_err(&bp->pdev->dev,
9180 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009181 rc = -ENOMEM;
9182 goto err_out_unmap;
9183 }
9184
9185 bnx2x_set_power_state(bp, PCI_D0);
9186
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009187 /* clean indirect addresses */
9188 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9189 PCICFG_VENDOR_ID_OFFSET);
9190 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9191 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9192 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9193 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009194
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009195 /* Reset the load counter */
9196 bnx2x_clear_load_cnt(bp);
9197
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009198 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009199
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009200 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009201 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +00009202
9203 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9204 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
9205 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX;
9206
9207 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9208 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
9209
9210 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009211 if (bp->flags & USING_DAC_FLAG)
9212 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009213
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +00009214 /* Add Loopback capability to the device */
9215 dev->hw_features |= NETIF_F_LOOPBACK;
9216
Shmulik Ravid98507672011-02-28 12:19:55 -08009217#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009218 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9219#endif
9220
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009221 /* get_port_hwinfo() will set prtad and mmds properly */
9222 bp->mdio.prtad = MDIO_PRTAD_NONE;
9223 bp->mdio.mmds = 0;
9224 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9225 bp->mdio.dev = dev;
9226 bp->mdio.mdio_read = bnx2x_mdio_read;
9227 bp->mdio.mdio_write = bnx2x_mdio_write;
9228
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009229 return 0;
9230
9231err_out_unmap:
9232 if (bp->regview) {
9233 iounmap(bp->regview);
9234 bp->regview = NULL;
9235 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009236 if (bp->doorbells) {
9237 iounmap(bp->doorbells);
9238 bp->doorbells = NULL;
9239 }
9240
9241err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009242 if (atomic_read(&pdev->enable_cnt) == 1)
9243 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009244
9245err_out_disable:
9246 pci_disable_device(pdev);
9247 pci_set_drvdata(pdev, NULL);
9248
9249err_out:
9250 return rc;
9251}
9252
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009253static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9254 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009255{
9256 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9257
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009258 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9259
9260 /* return value of 1=2.5GHz 2=5GHz */
9261 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009262}
9263
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009264static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009265{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009266 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009267 struct bnx2x_fw_file_hdr *fw_hdr;
9268 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009269 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009270 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009271 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009272 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009273
9274 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9275 return -EINVAL;
9276
9277 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9278 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9279
9280 /* Make sure none of the offsets and sizes make us read beyond
9281 * the end of the firmware data */
9282 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9283 offset = be32_to_cpu(sections[i].offset);
9284 len = be32_to_cpu(sections[i].len);
9285 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009286 dev_err(&bp->pdev->dev,
9287 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009288 return -EINVAL;
9289 }
9290 }
9291
9292 /* Likewise for the init_ops offsets */
9293 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9294 ops_offsets = (u16 *)(firmware->data + offset);
9295 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9296
9297 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9298 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009299 dev_err(&bp->pdev->dev,
9300 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009301 return -EINVAL;
9302 }
9303 }
9304
9305 /* Check FW version */
9306 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9307 fw_ver = firmware->data + offset;
9308 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9309 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9310 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9311 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009312 dev_err(&bp->pdev->dev,
9313 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009314 fw_ver[0], fw_ver[1], fw_ver[2],
9315 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9316 BCM_5710_FW_MINOR_VERSION,
9317 BCM_5710_FW_REVISION_VERSION,
9318 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009319 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009320 }
9321
9322 return 0;
9323}
9324
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009325static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009326{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009327 const __be32 *source = (const __be32 *)_source;
9328 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009329 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009330
9331 for (i = 0; i < n/4; i++)
9332 target[i] = be32_to_cpu(source[i]);
9333}
9334
9335/*
9336 Ops array is stored in the following format:
9337 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9338 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009339static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009340{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009341 const __be32 *source = (const __be32 *)_source;
9342 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009343 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009344
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009345 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009346 tmp = be32_to_cpu(source[j]);
9347 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009348 target[i].offset = tmp & 0xffffff;
9349 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009350 }
9351}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009352
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009353/**
9354 * IRO array is stored in the following format:
9355 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9356 */
9357static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9358{
9359 const __be32 *source = (const __be32 *)_source;
9360 struct iro *target = (struct iro *)_target;
9361 u32 i, j, tmp;
9362
9363 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9364 target[i].base = be32_to_cpu(source[j]);
9365 j++;
9366 tmp = be32_to_cpu(source[j]);
9367 target[i].m1 = (tmp >> 16) & 0xffff;
9368 target[i].m2 = tmp & 0xffff;
9369 j++;
9370 tmp = be32_to_cpu(source[j]);
9371 target[i].m3 = (tmp >> 16) & 0xffff;
9372 target[i].size = tmp & 0xffff;
9373 j++;
9374 }
9375}
9376
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009377static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009378{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009379 const __be16 *source = (const __be16 *)_source;
9380 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009381 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009382
9383 for (i = 0; i < n/2; i++)
9384 target[i] = be16_to_cpu(source[i]);
9385}
9386
Joe Perches7995c642010-02-17 15:01:52 +00009387#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9388do { \
9389 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9390 bp->arr = kmalloc(len, GFP_KERNEL); \
9391 if (!bp->arr) { \
9392 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9393 goto lbl; \
9394 } \
9395 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9396 (u8 *)bp->arr, len); \
9397} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009398
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009399int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009400{
Ben Hutchings45229b42009-11-07 11:53:39 +00009401 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009402 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009403 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009404
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009405 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009406 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009407 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009408 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009409 else if (CHIP_IS_E2(bp))
9410 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009411 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009412 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009413 return -EINVAL;
9414 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009415
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009416 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009417
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009418 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009419 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009420 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009421 goto request_firmware_exit;
9422 }
9423
9424 rc = bnx2x_check_firmware(bp);
9425 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009426 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009427 goto request_firmware_exit;
9428 }
9429
9430 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9431
9432 /* Initialize the pointers to the init arrays */
9433 /* Blob */
9434 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9435
9436 /* Opcodes */
9437 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9438
9439 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009440 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9441 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009442
9443 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009444 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9445 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9446 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9447 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9448 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9449 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9450 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9451 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9452 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9453 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9454 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9455 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9456 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9457 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9458 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9459 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009460 /* IRO */
9461 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009462
9463 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009464
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009465iro_alloc_err:
9466 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009467init_offsets_alloc_err:
9468 kfree(bp->init_ops);
9469init_ops_alloc_err:
9470 kfree(bp->init_data);
9471request_firmware_exit:
9472 release_firmware(bp->firmware);
9473
9474 return rc;
9475}
9476
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009477static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9478{
9479 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009480
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009481#ifdef BCM_CNIC
9482 cid_count += CNIC_CID_MAX;
9483#endif
9484 return roundup(cid_count, QM_CID_ROUND);
9485}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009486
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009487static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9488 const struct pci_device_id *ent)
9489{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009490 struct net_device *dev = NULL;
9491 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009492 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009493 int rc, cid_count;
9494
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009495 switch (ent->driver_data) {
9496 case BCM57710:
9497 case BCM57711:
9498 case BCM57711E:
9499 cid_count = FP_SB_MAX_E1x;
9500 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009501
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009502 case BCM57712:
9503 case BCM57712E:
9504 cid_count = FP_SB_MAX_E2;
9505 break;
9506
9507 default:
9508 pr_err("Unknown board_type (%ld), aborting\n",
9509 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009510 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009511 }
9512
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009513 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009514
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009515 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009516 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009517 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009518 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009519 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009520 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009521
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009522 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009523 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009524
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009525 pci_set_drvdata(pdev, dev);
9526
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009527 bp->l2_cid_count = cid_count;
9528
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009529 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009530 if (rc < 0) {
9531 free_netdev(dev);
9532 return rc;
9533 }
9534
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009535 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009536 if (rc)
9537 goto init_one_exit;
9538
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009539 /* calc qm_cid_count */
9540 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9541
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009542#ifdef BCM_CNIC
9543 /* disable FCOE L2 queue for E1x*/
9544 if (CHIP_IS_E1x(bp))
9545 bp->flags |= NO_FCOE_FLAG;
9546
9547#endif
9548
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009549 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009550 * needed, set bp->num_queues appropriately.
9551 */
9552 bnx2x_set_int_mode(bp);
9553
9554 /* Add all NAPI objects */
9555 bnx2x_add_all_napi(bp);
9556
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009557 rc = register_netdev(dev);
9558 if (rc) {
9559 dev_err(&pdev->dev, "Cannot register net device\n");
9560 goto init_one_exit;
9561 }
9562
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009563#ifdef BCM_CNIC
9564 if (!NO_FCOE(bp)) {
9565 /* Add storage MAC address */
9566 rtnl_lock();
9567 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9568 rtnl_unlock();
9569 }
9570#endif
9571
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009572 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009573
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009574 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9575 " IRQ %d, ", board_info[ent->driver_data].name,
9576 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009577 pcie_width,
9578 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9579 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9580 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009581 dev->base_addr, bp->pdev->irq);
9582 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009583
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009584 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009585
9586init_one_exit:
9587 if (bp->regview)
9588 iounmap(bp->regview);
9589
9590 if (bp->doorbells)
9591 iounmap(bp->doorbells);
9592
9593 free_netdev(dev);
9594
9595 if (atomic_read(&pdev->enable_cnt) == 1)
9596 pci_release_regions(pdev);
9597
9598 pci_disable_device(pdev);
9599 pci_set_drvdata(pdev, NULL);
9600
9601 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009602}
9603
9604static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9605{
9606 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009607 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009608
Eliezer Tamir228241e2008-02-28 11:56:57 -08009609 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009610 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009611 return;
9612 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009613 bp = netdev_priv(dev);
9614
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009615#ifdef BCM_CNIC
9616 /* Delete storage MAC address */
9617 if (!NO_FCOE(bp)) {
9618 rtnl_lock();
9619 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9620 rtnl_unlock();
9621 }
9622#endif
9623
Shmulik Ravid98507672011-02-28 12:19:55 -08009624#ifdef BCM_DCBNL
9625 /* Delete app tlvs from dcbnl */
9626 bnx2x_dcbnl_update_applist(bp, true);
9627#endif
9628
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009629 unregister_netdev(dev);
9630
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009631 /* Delete all NAPI objects */
9632 bnx2x_del_all_napi(bp);
9633
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009634 /* Power on: we can't let PCI layer write to us while we are in D3 */
9635 bnx2x_set_power_state(bp, PCI_D0);
9636
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009637 /* Disable MSI/MSI-X */
9638 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009639
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009640 /* Power off */
9641 bnx2x_set_power_state(bp, PCI_D3hot);
9642
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009643 /* Make sure RESET task is not scheduled before continuing */
9644 cancel_delayed_work_sync(&bp->reset_task);
9645
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009646 if (bp->regview)
9647 iounmap(bp->regview);
9648
9649 if (bp->doorbells)
9650 iounmap(bp->doorbells);
9651
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009652 bnx2x_free_mem_bp(bp);
9653
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009654 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009655
9656 if (atomic_read(&pdev->enable_cnt) == 1)
9657 pci_release_regions(pdev);
9658
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009659 pci_disable_device(pdev);
9660 pci_set_drvdata(pdev, NULL);
9661}
9662
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009663static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9664{
9665 int i;
9666
9667 bp->state = BNX2X_STATE_ERROR;
9668
9669 bp->rx_mode = BNX2X_RX_MODE_NONE;
9670
9671 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009672 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009673
9674 del_timer_sync(&bp->timer);
9675 bp->stats_state = STATS_STATE_DISABLED;
9676 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9677
9678 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009679 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009680
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009681 /* Free SKBs, SGEs, TPA pool and driver internals */
9682 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009683
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009684 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009685 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009686
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009687 bnx2x_free_mem(bp);
9688
9689 bp->state = BNX2X_STATE_CLOSED;
9690
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009691 return 0;
9692}
9693
9694static void bnx2x_eeh_recover(struct bnx2x *bp)
9695{
9696 u32 val;
9697
9698 mutex_init(&bp->port.phy_mutex);
9699
9700 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9701 bp->link_params.shmem_base = bp->common.shmem_base;
9702 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9703
9704 if (!bp->common.shmem_base ||
9705 (bp->common.shmem_base < 0xA0000) ||
9706 (bp->common.shmem_base >= 0xC0000)) {
9707 BNX2X_DEV_INFO("MCP not active\n");
9708 bp->flags |= NO_MCP_FLAG;
9709 return;
9710 }
9711
9712 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9713 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9714 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9715 BNX2X_ERR("BAD MCP validity signature\n");
9716
9717 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009718 bp->fw_seq =
9719 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9720 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009721 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9722 }
9723}
9724
Wendy Xiong493adb12008-06-23 20:36:22 -07009725/**
9726 * bnx2x_io_error_detected - called when PCI error is detected
9727 * @pdev: Pointer to PCI device
9728 * @state: The current pci connection state
9729 *
9730 * This function is called after a PCI bus error affecting
9731 * this device has been detected.
9732 */
9733static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9734 pci_channel_state_t state)
9735{
9736 struct net_device *dev = pci_get_drvdata(pdev);
9737 struct bnx2x *bp = netdev_priv(dev);
9738
9739 rtnl_lock();
9740
9741 netif_device_detach(dev);
9742
Dean Nelson07ce50e2009-07-31 09:13:25 +00009743 if (state == pci_channel_io_perm_failure) {
9744 rtnl_unlock();
9745 return PCI_ERS_RESULT_DISCONNECT;
9746 }
9747
Wendy Xiong493adb12008-06-23 20:36:22 -07009748 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009749 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009750
9751 pci_disable_device(pdev);
9752
9753 rtnl_unlock();
9754
9755 /* Request a slot reset */
9756 return PCI_ERS_RESULT_NEED_RESET;
9757}
9758
9759/**
9760 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9761 * @pdev: Pointer to PCI device
9762 *
9763 * Restart the card from scratch, as if from a cold-boot.
9764 */
9765static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9766{
9767 struct net_device *dev = pci_get_drvdata(pdev);
9768 struct bnx2x *bp = netdev_priv(dev);
9769
9770 rtnl_lock();
9771
9772 if (pci_enable_device(pdev)) {
9773 dev_err(&pdev->dev,
9774 "Cannot re-enable PCI device after reset\n");
9775 rtnl_unlock();
9776 return PCI_ERS_RESULT_DISCONNECT;
9777 }
9778
9779 pci_set_master(pdev);
9780 pci_restore_state(pdev);
9781
9782 if (netif_running(dev))
9783 bnx2x_set_power_state(bp, PCI_D0);
9784
9785 rtnl_unlock();
9786
9787 return PCI_ERS_RESULT_RECOVERED;
9788}
9789
9790/**
9791 * bnx2x_io_resume - called when traffic can start flowing again
9792 * @pdev: Pointer to PCI device
9793 *
9794 * This callback is called when the error recovery driver tells us that
9795 * its OK to resume normal operation.
9796 */
9797static void bnx2x_io_resume(struct pci_dev *pdev)
9798{
9799 struct net_device *dev = pci_get_drvdata(pdev);
9800 struct bnx2x *bp = netdev_priv(dev);
9801
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009802 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009803 printk(KERN_ERR "Handling parity error recovery. "
9804 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009805 return;
9806 }
9807
Wendy Xiong493adb12008-06-23 20:36:22 -07009808 rtnl_lock();
9809
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009810 bnx2x_eeh_recover(bp);
9811
Wendy Xiong493adb12008-06-23 20:36:22 -07009812 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009813 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009814
9815 netif_device_attach(dev);
9816
9817 rtnl_unlock();
9818}
9819
9820static struct pci_error_handlers bnx2x_err_handler = {
9821 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009822 .slot_reset = bnx2x_io_slot_reset,
9823 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009824};
9825
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009826static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009827 .name = DRV_MODULE_NAME,
9828 .id_table = bnx2x_pci_tbl,
9829 .probe = bnx2x_init_one,
9830 .remove = __devexit_p(bnx2x_remove_one),
9831 .suspend = bnx2x_suspend,
9832 .resume = bnx2x_resume,
9833 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009834};
9835
9836static int __init bnx2x_init(void)
9837{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009838 int ret;
9839
Joe Perches7995c642010-02-17 15:01:52 +00009840 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009841
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009842 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9843 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009844 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009845 return -ENOMEM;
9846 }
9847
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009848 ret = pci_register_driver(&bnx2x_pci_driver);
9849 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009850 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009851 destroy_workqueue(bnx2x_wq);
9852 }
9853 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009854}
9855
9856static void __exit bnx2x_cleanup(void)
9857{
9858 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009859
9860 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009861}
9862
9863module_init(bnx2x_init);
9864module_exit(bnx2x_cleanup);
9865
Michael Chan993ac7b2009-10-10 13:46:56 +00009866#ifdef BCM_CNIC
9867
9868/* count denotes the number of new completions we have seen */
9869static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9870{
9871 struct eth_spe *spe;
9872
9873#ifdef BNX2X_STOP_ON_ERROR
9874 if (unlikely(bp->panic))
9875 return;
9876#endif
9877
9878 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009879 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009880 bp->cnic_spq_pending -= count;
9881
Michael Chan993ac7b2009-10-10 13:46:56 +00009882
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009883 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9884 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9885 & SPE_HDR_CONN_TYPE) >>
9886 SPE_HDR_CONN_TYPE_SHIFT;
9887
9888 /* Set validation for iSCSI L2 client before sending SETUP
9889 * ramrod
9890 */
9891 if (type == ETH_CONNECTION_TYPE) {
9892 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9893 hdr.conn_and_cmd_data) >>
9894 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9895
9896 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9897 bnx2x_set_ctx_validation(&bp->context.
9898 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9899 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9900 }
9901
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009902 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
9903 * We also check that the number of outstanding
9904 * COMMON ramrods is not more than the EQ and SPQ can
9905 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009906 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009907 if (type == ETH_CONNECTION_TYPE) {
9908 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009909 break;
9910 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009911 atomic_dec(&bp->cq_spq_left);
9912 } else if (type == NONE_CONNECTION_TYPE) {
9913 if (!atomic_read(&bp->eq_spq_left))
9914 break;
9915 else
9916 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009917 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9918 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009919 if (bp->cnic_spq_pending >=
9920 bp->cnic_eth_dev.max_kwqe_pending)
9921 break;
9922 else
9923 bp->cnic_spq_pending++;
9924 } else {
9925 BNX2X_ERR("Unknown SPE type: %d\n", type);
9926 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009927 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009928 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009929
9930 spe = bnx2x_sp_get_next(bp);
9931 *spe = *bp->cnic_kwq_cons;
9932
Michael Chan993ac7b2009-10-10 13:46:56 +00009933 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9934 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9935
9936 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9937 bp->cnic_kwq_cons = bp->cnic_kwq;
9938 else
9939 bp->cnic_kwq_cons++;
9940 }
9941 bnx2x_sp_prod_update(bp);
9942 spin_unlock_bh(&bp->spq_lock);
9943}
9944
9945static int bnx2x_cnic_sp_queue(struct net_device *dev,
9946 struct kwqe_16 *kwqes[], u32 count)
9947{
9948 struct bnx2x *bp = netdev_priv(dev);
9949 int i;
9950
9951#ifdef BNX2X_STOP_ON_ERROR
9952 if (unlikely(bp->panic))
9953 return -EIO;
9954#endif
9955
9956 spin_lock_bh(&bp->spq_lock);
9957
9958 for (i = 0; i < count; i++) {
9959 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9960
9961 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9962 break;
9963
9964 *bp->cnic_kwq_prod = *spe;
9965
9966 bp->cnic_kwq_pending++;
9967
9968 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9969 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009970 spe->data.update_data_addr.hi,
9971 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +00009972 bp->cnic_kwq_pending);
9973
9974 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9975 bp->cnic_kwq_prod = bp->cnic_kwq;
9976 else
9977 bp->cnic_kwq_prod++;
9978 }
9979
9980 spin_unlock_bh(&bp->spq_lock);
9981
9982 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9983 bnx2x_cnic_sp_post(bp, 0);
9984
9985 return i;
9986}
9987
9988static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9989{
9990 struct cnic_ops *c_ops;
9991 int rc = 0;
9992
9993 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +00009994 c_ops = rcu_dereference_protected(bp->cnic_ops,
9995 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +00009996 if (c_ops)
9997 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
9998 mutex_unlock(&bp->cnic_mutex);
9999
10000 return rc;
10001}
10002
10003static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10004{
10005 struct cnic_ops *c_ops;
10006 int rc = 0;
10007
10008 rcu_read_lock();
10009 c_ops = rcu_dereference(bp->cnic_ops);
10010 if (c_ops)
10011 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10012 rcu_read_unlock();
10013
10014 return rc;
10015}
10016
10017/*
10018 * for commands that have no data
10019 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010020int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000010021{
10022 struct cnic_ctl_info ctl = {0};
10023
10024 ctl.cmd = cmd;
10025
10026 return bnx2x_cnic_ctl_send(bp, &ctl);
10027}
10028
10029static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10030{
10031 struct cnic_ctl_info ctl;
10032
10033 /* first we tell CNIC and only then we count this as a completion */
10034 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10035 ctl.data.comp.cid = cid;
10036
10037 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010038 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010039}
10040
10041static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10042{
10043 struct bnx2x *bp = netdev_priv(dev);
10044 int rc = 0;
10045
10046 switch (ctl->cmd) {
10047 case DRV_CTL_CTXTBL_WR_CMD: {
10048 u32 index = ctl->data.io.offset;
10049 dma_addr_t addr = ctl->data.io.dma_addr;
10050
10051 bnx2x_ilt_wr(bp, index, addr);
10052 break;
10053 }
10054
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010055 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10056 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010057
10058 bnx2x_cnic_sp_post(bp, count);
10059 break;
10060 }
10061
10062 /* rtnl_lock is held. */
10063 case DRV_CTL_START_L2_CMD: {
10064 u32 cli = ctl->data.ring.client_id;
10065
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010066 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10067 bnx2x_del_fcoe_eth_macs(bp);
10068
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010069 /* Set iSCSI MAC address */
10070 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10071
10072 mmiowb();
10073 barrier();
10074
10075 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10076 * because it's the only way for UIO Client to accept
10077 * multicasts (in non-promiscuous mode only one Client per
10078 * function will receive multicast packets (leading in our
10079 * case).
10080 */
10081 bnx2x_rxq_set_mac_filters(bp, cli,
10082 BNX2X_ACCEPT_UNICAST |
10083 BNX2X_ACCEPT_BROADCAST |
10084 BNX2X_ACCEPT_ALL_MULTICAST);
10085 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10086
Michael Chan993ac7b2009-10-10 13:46:56 +000010087 break;
10088 }
10089
10090 /* rtnl_lock is held. */
10091 case DRV_CTL_STOP_L2_CMD: {
10092 u32 cli = ctl->data.ring.client_id;
10093
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010094 /* Stop accepting on iSCSI L2 ring */
10095 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10096 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10097
10098 mmiowb();
10099 barrier();
10100
10101 /* Unset iSCSI L2 MAC */
10102 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010103 break;
10104 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010105 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10106 int count = ctl->data.credit.credit_count;
10107
10108 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010109 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010110 smp_mb__after_atomic_inc();
10111 break;
10112 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010113
Dmitry Kravkovfab0dc82011-03-31 17:04:22 -070010114 case DRV_CTL_ISCSI_STOPPED_CMD: {
10115 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
10116 break;
10117 }
10118
Michael Chan993ac7b2009-10-10 13:46:56 +000010119 default:
10120 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10121 rc = -EINVAL;
10122 }
10123
10124 return rc;
10125}
10126
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010127void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010128{
10129 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10130
10131 if (bp->flags & USING_MSIX_FLAG) {
10132 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10133 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10134 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10135 } else {
10136 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10137 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10138 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010139 if (CHIP_IS_E2(bp))
10140 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10141 else
10142 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10143
Michael Chan993ac7b2009-10-10 13:46:56 +000010144 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010145 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010146 cp->irq_arr[1].status_blk = bp->def_status_blk;
10147 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010148 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010149
10150 cp->num_irq = 2;
10151}
10152
10153static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10154 void *data)
10155{
10156 struct bnx2x *bp = netdev_priv(dev);
10157 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10158
10159 if (ops == NULL)
10160 return -EINVAL;
10161
Michael Chan993ac7b2009-10-10 13:46:56 +000010162 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10163 if (!bp->cnic_kwq)
10164 return -ENOMEM;
10165
10166 bp->cnic_kwq_cons = bp->cnic_kwq;
10167 bp->cnic_kwq_prod = bp->cnic_kwq;
10168 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10169
10170 bp->cnic_spq_pending = 0;
10171 bp->cnic_kwq_pending = 0;
10172
10173 bp->cnic_data = data;
10174
10175 cp->num_irq = 0;
10176 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010177 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010178
Michael Chan993ac7b2009-10-10 13:46:56 +000010179 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010180
Michael Chan993ac7b2009-10-10 13:46:56 +000010181 rcu_assign_pointer(bp->cnic_ops, ops);
10182
10183 return 0;
10184}
10185
10186static int bnx2x_unregister_cnic(struct net_device *dev)
10187{
10188 struct bnx2x *bp = netdev_priv(dev);
10189 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10190
10191 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010192 cp->drv_state = 0;
10193 rcu_assign_pointer(bp->cnic_ops, NULL);
10194 mutex_unlock(&bp->cnic_mutex);
10195 synchronize_rcu();
10196 kfree(bp->cnic_kwq);
10197 bp->cnic_kwq = NULL;
10198
10199 return 0;
10200}
10201
10202struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10203{
10204 struct bnx2x *bp = netdev_priv(dev);
10205 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10206
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010207 /* If both iSCSI and FCoE are disabled - return NULL in
10208 * order to indicate CNIC that it should not try to work
10209 * with this device.
10210 */
10211 if (NO_ISCSI(bp) && NO_FCOE(bp))
10212 return NULL;
10213
Michael Chan993ac7b2009-10-10 13:46:56 +000010214 cp->drv_owner = THIS_MODULE;
10215 cp->chip_id = CHIP_ID(bp);
10216 cp->pdev = bp->pdev;
10217 cp->io_base = bp->regview;
10218 cp->io_base2 = bp->doorbells;
10219 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010220 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010221 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10222 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010223 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010224 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010225 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10226 cp->drv_ctl = bnx2x_drv_ctl;
10227 cp->drv_register_cnic = bnx2x_register_cnic;
10228 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010229 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10230 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10231 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010232 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010233
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010234 if (NO_ISCSI_OOO(bp))
10235 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10236
10237 if (NO_ISCSI(bp))
10238 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10239
10240 if (NO_FCOE(bp))
10241 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10242
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010243 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10244 "starting cid %d\n",
10245 cp->ctx_blk_size,
10246 cp->ctx_tbl_offset,
10247 cp->ctx_tbl_len,
10248 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010249 return cp;
10250}
10251EXPORT_SYMBOL(bnx2x_cnic_probe);
10252
10253#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010254