blob: c6591c46ebdf298dbe80dff6c818310d09e72eeb [file] [log] [blame]
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001/* bnx2x_main.c: Broadcom Everest network driver.
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002 *
Dmitry Kravkov5de92402011-05-04 23:51:13 +00003 * Copyright (c) 2007-2011 Broadcom Corporation
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
Eilon Greenstein24e3fce2008-06-12 14:30:28 -07009 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020011 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
Eilon Greensteinca003922009-08-12 22:53:28 -070013 * Slowpath and fastpath rework by Vladislav Zolotarov
Eliezer Tamirc14423f2008-02-28 11:49:42 -080014 * Statistics and Link management by Yitchak Gertner
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020015 *
16 */
17
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020018#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/device.h> /* for dev_info() */
22#include <linux/timer.h>
23#include <linux/errno.h>
24#include <linux/ioport.h>
25#include <linux/slab.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020026#include <linux/interrupt.h>
27#include <linux/pci.h>
28#include <linux/init.h>
29#include <linux/netdevice.h>
30#include <linux/etherdevice.h>
31#include <linux/skbuff.h>
32#include <linux/dma-mapping.h>
33#include <linux/bitops.h>
34#include <linux/irq.h>
35#include <linux/delay.h>
36#include <asm/byteorder.h>
37#include <linux/time.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
Eilon Greenstein0c6671b2009-01-14 21:26:51 -080040#include <linux/if_vlan.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020041#include <net/ip.h>
42#include <net/tcp.h>
43#include <net/checksum.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070044#include <net/ip6_checksum.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020045#include <linux/workqueue.h>
46#include <linux/crc32.h>
Eilon Greenstein34f80b02008-06-23 20:33:01 -070047#include <linux/crc32c.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020048#include <linux/prefetch.h>
49#include <linux/zlib.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020050#include <linux/io.h>
Ben Hutchings45229b42009-11-07 11:53:39 +000051#include <linux/stringify.h>
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020052
Dmitry Kravkovb0efbb92010-07-27 12:33:43 +000053#define BNX2X_MAIN
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020054#include "bnx2x.h"
55#include "bnx2x_init.h"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070056#include "bnx2x_init_ops.h"
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000057#include "bnx2x_cmn.h"
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +000058#include "bnx2x_dcb.h"
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020059
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070060#include <linux/firmware.h>
61#include "bnx2x_fw_file_hdr.h"
62/* FW files */
Ben Hutchings45229b42009-11-07 11:53:39 +000063#define FW_FILE_VERSION \
64 __stringify(BCM_5710_FW_MAJOR_VERSION) "." \
65 __stringify(BCM_5710_FW_MINOR_VERSION) "." \
66 __stringify(BCM_5710_FW_REVISION_VERSION) "." \
67 __stringify(BCM_5710_FW_ENGINEERING_VERSION)
Dmitry Kravkov560131f2010-10-06 03:18:47 +000068#define FW_FILE_NAME_E1 "bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
69#define FW_FILE_NAME_E1H "bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000070#define FW_FILE_NAME_E2 "bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070071
Eilon Greenstein34f80b02008-06-23 20:33:01 -070072/* Time in jiffies before concluding the transmitter is hung */
73#define TX_TIMEOUT (5*HZ)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020074
Andrew Morton53a10562008-02-09 23:16:41 -080075static char version[] __devinitdata =
Eilon Greenstein34f80b02008-06-23 20:33:01 -070076 "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020077 DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
78
Eilon Greenstein24e3fce2008-06-12 14:30:28 -070079MODULE_AUTHOR("Eliezer Tamir");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000080MODULE_DESCRIPTION("Broadcom NetXtreme II "
81 "BCM57710/57711/57711E/57712/57712E Driver");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020082MODULE_LICENSE("GPL");
83MODULE_VERSION(DRV_MODULE_VERSION);
Ben Hutchings45229b42009-11-07 11:53:39 +000084MODULE_FIRMWARE(FW_FILE_NAME_E1);
85MODULE_FIRMWARE(FW_FILE_NAME_E1H);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000086MODULE_FIRMWARE(FW_FILE_NAME_E2);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +020087
Eilon Greenstein555f6c72009-02-12 08:36:11 +000088static int multi_mode = 1;
89module_param(multi_mode, int, 0);
Eilon Greensteinca003922009-08-12 22:53:28 -070090MODULE_PARM_DESC(multi_mode, " Multi queue mode "
91 "(0 Disable; 1 Enable (default))");
92
Dmitry Kravkovd6214d72010-10-06 03:32:10 +000093int num_queues;
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +000094module_param(num_queues, int, 0);
95MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
96 " (default is as a number of CPUs)");
Eilon Greenstein555f6c72009-02-12 08:36:11 +000097
Eilon Greenstein19680c42008-08-13 15:47:33 -070098static int disable_tpa;
Eilon Greenstein19680c42008-08-13 15:47:33 -070099module_param(disable_tpa, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000100MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000101
102static int int_mode;
103module_param(int_mode, int, 0);
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000104MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
105 "(1 INT#x; 2 MSI)");
Eilon Greenstein8badd272009-02-12 08:36:15 +0000106
Eilon Greensteina18f5122009-08-12 08:23:26 +0000107static int dropless_fc;
108module_param(dropless_fc, int, 0);
109MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");
110
Eilon Greenstein9898f862009-02-12 08:38:27 +0000111static int poll;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200112module_param(poll, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000113MODULE_PARM_DESC(poll, " Use polling (for debug)");
Eilon Greenstein8d5726c2009-02-12 08:37:19 +0000114
115static int mrrs = -1;
116module_param(mrrs, int, 0);
117MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");
118
Eilon Greenstein9898f862009-02-12 08:38:27 +0000119static int debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200120module_param(debug, int, 0);
Eilon Greenstein9898f862009-02-12 08:38:27 +0000121MODULE_PARM_DESC(debug, " Default debug msglevel");
122
Eilon Greenstein1cf167f2009-01-14 21:22:18 -0800123static struct workqueue_struct *bnx2x_wq;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200124
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000125#ifdef BCM_CNIC
126static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
127#endif
128
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200129enum bnx2x_board_type {
130 BCM57710 = 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700131 BCM57711 = 1,
132 BCM57711E = 2,
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000133 BCM57712 = 3,
134 BCM57712E = 4
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200135};
136
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700137/* indexed by board_type, above */
Andrew Morton53a10562008-02-09 23:16:41 -0800138static struct {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200139 char *name;
140} board_info[] __devinitdata = {
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700141 { "Broadcom NetXtreme II BCM57710 XGb" },
142 { "Broadcom NetXtreme II BCM57711 XGb" },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000143 { "Broadcom NetXtreme II BCM57711E XGb" },
144 { "Broadcom NetXtreme II BCM57712 XGb" },
145 { "Broadcom NetXtreme II BCM57712E XGb" }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200146};
147
Alexey Dobriyana3aa1882010-01-07 11:58:11 +0000148static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
Eilon Greensteine4ed7112009-08-12 08:24:10 +0000149 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
150 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
151 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000152 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
153 { PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200154 { 0 }
155};
156
157MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
158
159/****************************************************************************
160* General service functions
161****************************************************************************/
162
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000163static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
164 u32 addr, dma_addr_t mapping)
165{
166 REG_WR(bp, addr, U64_LO(mapping));
167 REG_WR(bp, addr + 4, U64_HI(mapping));
168}
169
170static inline void __storm_memset_fill(struct bnx2x *bp,
171 u32 addr, size_t size, u32 val)
172{
173 int i;
174 for (i = 0; i < size/4; i++)
175 REG_WR(bp, addr + (i * 4), val);
176}
177
178static inline void storm_memset_ustats_zero(struct bnx2x *bp,
179 u8 port, u16 stat_id)
180{
181 size_t size = sizeof(struct ustorm_per_client_stats);
182
183 u32 addr = BAR_USTRORM_INTMEM +
184 USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
185
186 __storm_memset_fill(bp, addr, size, 0);
187}
188
189static inline void storm_memset_tstats_zero(struct bnx2x *bp,
190 u8 port, u16 stat_id)
191{
192 size_t size = sizeof(struct tstorm_per_client_stats);
193
194 u32 addr = BAR_TSTRORM_INTMEM +
195 TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
196
197 __storm_memset_fill(bp, addr, size, 0);
198}
199
200static inline void storm_memset_xstats_zero(struct bnx2x *bp,
201 u8 port, u16 stat_id)
202{
203 size_t size = sizeof(struct xstorm_per_client_stats);
204
205 u32 addr = BAR_XSTRORM_INTMEM +
206 XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);
207
208 __storm_memset_fill(bp, addr, size, 0);
209}
210
211
212static inline void storm_memset_spq_addr(struct bnx2x *bp,
213 dma_addr_t mapping, u16 abs_fid)
214{
215 u32 addr = XSEM_REG_FAST_MEMORY +
216 XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);
217
218 __storm_memset_dma_mapping(bp, addr, mapping);
219}
220
221static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
222{
223 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
224}
225
226static inline void storm_memset_func_cfg(struct bnx2x *bp,
227 struct tstorm_eth_function_common_config *tcfg,
228 u16 abs_fid)
229{
230 size_t size = sizeof(struct tstorm_eth_function_common_config);
231
232 u32 addr = BAR_TSTRORM_INTMEM +
233 TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);
234
235 __storm_memset_struct(bp, addr, size, (u32 *)tcfg);
236}
237
238static inline void storm_memset_xstats_flags(struct bnx2x *bp,
239 struct stats_indication_flags *flags,
240 u16 abs_fid)
241{
242 size_t size = sizeof(struct stats_indication_flags);
243
244 u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);
245
246 __storm_memset_struct(bp, addr, size, (u32 *)flags);
247}
248
249static inline void storm_memset_tstats_flags(struct bnx2x *bp,
250 struct stats_indication_flags *flags,
251 u16 abs_fid)
252{
253 size_t size = sizeof(struct stats_indication_flags);
254
255 u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);
256
257 __storm_memset_struct(bp, addr, size, (u32 *)flags);
258}
259
260static inline void storm_memset_ustats_flags(struct bnx2x *bp,
261 struct stats_indication_flags *flags,
262 u16 abs_fid)
263{
264 size_t size = sizeof(struct stats_indication_flags);
265
266 u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);
267
268 __storm_memset_struct(bp, addr, size, (u32 *)flags);
269}
270
271static inline void storm_memset_cstats_flags(struct bnx2x *bp,
272 struct stats_indication_flags *flags,
273 u16 abs_fid)
274{
275 size_t size = sizeof(struct stats_indication_flags);
276
277 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);
278
279 __storm_memset_struct(bp, addr, size, (u32 *)flags);
280}
281
282static inline void storm_memset_xstats_addr(struct bnx2x *bp,
283 dma_addr_t mapping, u16 abs_fid)
284{
285 u32 addr = BAR_XSTRORM_INTMEM +
286 XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
287
288 __storm_memset_dma_mapping(bp, addr, mapping);
289}
290
291static inline void storm_memset_tstats_addr(struct bnx2x *bp,
292 dma_addr_t mapping, u16 abs_fid)
293{
294 u32 addr = BAR_TSTRORM_INTMEM +
295 TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
296
297 __storm_memset_dma_mapping(bp, addr, mapping);
298}
299
300static inline void storm_memset_ustats_addr(struct bnx2x *bp,
301 dma_addr_t mapping, u16 abs_fid)
302{
303 u32 addr = BAR_USTRORM_INTMEM +
304 USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
305
306 __storm_memset_dma_mapping(bp, addr, mapping);
307}
308
309static inline void storm_memset_cstats_addr(struct bnx2x *bp,
310 dma_addr_t mapping, u16 abs_fid)
311{
312 u32 addr = BAR_CSTRORM_INTMEM +
313 CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);
314
315 __storm_memset_dma_mapping(bp, addr, mapping);
316}
317
318static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
319 u16 pf_id)
320{
321 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
322 pf_id);
323 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
324 pf_id);
325 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
326 pf_id);
327 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
328 pf_id);
329}
330
331static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
332 u8 enable)
333{
334 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
335 enable);
336 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
337 enable);
338 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
339 enable);
340 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
341 enable);
342}
343
344static inline void storm_memset_eq_data(struct bnx2x *bp,
345 struct event_ring_data *eq_data,
346 u16 pfid)
347{
348 size_t size = sizeof(struct event_ring_data);
349
350 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);
351
352 __storm_memset_struct(bp, addr, size, (u32 *)eq_data);
353}
354
355static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
356 u16 pfid)
357{
358 u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
359 REG_WR16(bp, addr, eq_prod);
360}
361
362static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
363 u16 fw_sb_id, u8 sb_index,
364 u8 ticks)
365{
366
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000367 int index_offset = CHIP_IS_E2(bp) ?
368 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000369 offsetof(struct hc_status_block_data_e1x, index_data);
370 u32 addr = BAR_CSTRORM_INTMEM +
371 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
372 index_offset +
373 sizeof(struct hc_index_data)*sb_index +
374 offsetof(struct hc_index_data, timeout);
375 REG_WR8(bp, addr, ticks);
376 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
377 port, fw_sb_id, sb_index, ticks);
378}
379static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
380 u16 fw_sb_id, u8 sb_index,
381 u8 disable)
382{
383 u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000384 int index_offset = CHIP_IS_E2(bp) ?
385 offsetof(struct hc_status_block_data_e2, index_data) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000386 offsetof(struct hc_status_block_data_e1x, index_data);
387 u32 addr = BAR_CSTRORM_INTMEM +
388 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
389 index_offset +
390 sizeof(struct hc_index_data)*sb_index +
391 offsetof(struct hc_index_data, flags);
392 u16 flags = REG_RD16(bp, addr);
393 /* clear and set */
394 flags &= ~HC_INDEX_DATA_HC_ENABLED;
395 flags |= enable_flag;
396 REG_WR16(bp, addr, flags);
397 DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
398 port, fw_sb_id, sb_index, disable);
399}
400
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200401/* used only at init
402 * locking is done by mcp
403 */
stephen hemminger8d962862010-10-21 07:50:56 +0000404static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200405{
406 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
407 pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
408 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
409 PCICFG_VENDOR_ID_OFFSET);
410}
411
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200412static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
413{
414 u32 val;
415
416 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
417 pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
418 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
419 PCICFG_VENDOR_ID_OFFSET);
420
421 return val;
422}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200423
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000424#define DMAE_DP_SRC_GRC "grc src_addr [%08x]"
425#define DMAE_DP_SRC_PCI "pci src_addr [%x:%08x]"
426#define DMAE_DP_DST_GRC "grc dst_addr [%08x]"
427#define DMAE_DP_DST_PCI "pci dst_addr [%x:%08x]"
428#define DMAE_DP_DST_NONE "dst_addr [none]"
429
stephen hemminger8d962862010-10-21 07:50:56 +0000430static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
431 int msglvl)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000432{
433 u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;
434
435 switch (dmae->opcode & DMAE_COMMAND_DST) {
436 case DMAE_CMD_DST_PCI:
437 if (src_type == DMAE_CMD_SRC_PCI)
438 DP(msglvl, "DMAE: opcode 0x%08x\n"
439 "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
440 "comp_addr [%x:%08x], comp_val 0x%08x\n",
441 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
442 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
443 dmae->comp_addr_hi, dmae->comp_addr_lo,
444 dmae->comp_val);
445 else
446 DP(msglvl, "DMAE: opcode 0x%08x\n"
447 "src [%08x], len [%d*4], dst [%x:%08x]\n"
448 "comp_addr [%x:%08x], comp_val 0x%08x\n",
449 dmae->opcode, dmae->src_addr_lo >> 2,
450 dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
451 dmae->comp_addr_hi, dmae->comp_addr_lo,
452 dmae->comp_val);
453 break;
454 case DMAE_CMD_DST_GRC:
455 if (src_type == DMAE_CMD_SRC_PCI)
456 DP(msglvl, "DMAE: opcode 0x%08x\n"
457 "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
458 "comp_addr [%x:%08x], comp_val 0x%08x\n",
459 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
460 dmae->len, dmae->dst_addr_lo >> 2,
461 dmae->comp_addr_hi, dmae->comp_addr_lo,
462 dmae->comp_val);
463 else
464 DP(msglvl, "DMAE: opcode 0x%08x\n"
465 "src [%08x], len [%d*4], dst [%08x]\n"
466 "comp_addr [%x:%08x], comp_val 0x%08x\n",
467 dmae->opcode, dmae->src_addr_lo >> 2,
468 dmae->len, dmae->dst_addr_lo >> 2,
469 dmae->comp_addr_hi, dmae->comp_addr_lo,
470 dmae->comp_val);
471 break;
472 default:
473 if (src_type == DMAE_CMD_SRC_PCI)
474 DP(msglvl, "DMAE: opcode 0x%08x\n"
475 DP_LEVEL "src_addr [%x:%08x] len [%d * 4] "
476 "dst_addr [none]\n"
477 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
478 dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
479 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
480 dmae->comp_val);
481 else
482 DP(msglvl, "DMAE: opcode 0x%08x\n"
483 DP_LEVEL "src_addr [%08x] len [%d * 4] "
484 "dst_addr [none]\n"
485 DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n",
486 dmae->opcode, dmae->src_addr_lo >> 2,
487 dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
488 dmae->comp_val);
489 break;
490 }
491
492}
493
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000494const u32 dmae_reg_go_c[] = {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200495 DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
496 DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
497 DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
498 DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
499};
500
501/* copy command into DMAE command memory and set DMAE command go */
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000502void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200503{
504 u32 cmd_offset;
505 int i;
506
507 cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
508 for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
509 REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));
510
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700511 DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
512 idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200513 }
514 REG_WR(bp, dmae_reg_go_c[idx], 1);
515}
516
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000517u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
518{
519 return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
520 DMAE_CMD_C_ENABLE);
521}
522
523u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
524{
525 return opcode & ~DMAE_CMD_SRC_RESET;
526}
527
528u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
529 bool with_comp, u8 comp_type)
530{
531 u32 opcode = 0;
532
533 opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
534 (dst_type << DMAE_COMMAND_DST_SHIFT));
535
536 opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);
537
538 opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
539 opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
540 (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
541 opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
542
543#ifdef __BIG_ENDIAN
544 opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
545#else
546 opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
547#endif
548 if (with_comp)
549 opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
550 return opcode;
551}
552
stephen hemminger8d962862010-10-21 07:50:56 +0000553static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
554 struct dmae_command *dmae,
555 u8 src_type, u8 dst_type)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000556{
557 memset(dmae, 0, sizeof(struct dmae_command));
558
559 /* set the opcode */
560 dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
561 true, DMAE_COMP_PCI);
562
563 /* fill in the completion parameters */
564 dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
565 dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
566 dmae->comp_val = DMAE_COMP_VAL;
567}
568
569/* issue a dmae command over the init-channel and wailt for completion */
stephen hemminger8d962862010-10-21 07:50:56 +0000570static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
571 struct dmae_command *dmae)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000572{
573 u32 *wb_comp = bnx2x_sp(bp, wb_comp);
Dmitry Kravkov5e374b52011-05-22 10:09:19 +0000574 int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000575 int rc = 0;
576
577 DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
578 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
579 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
580
581 /* lock the dmae channel */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800582 spin_lock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000583
584 /* reset completion */
585 *wb_comp = 0;
586
587 /* post the command on the channel used for initializations */
588 bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
589
590 /* wait for completion */
591 udelay(5);
592 while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
593 DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);
594
595 if (!cnt) {
596 BNX2X_ERR("DMAE timeout!\n");
597 rc = DMAE_TIMEOUT;
598 goto unlock;
599 }
600 cnt--;
601 udelay(50);
602 }
603 if (*wb_comp & DMAE_PCI_ERR_FLAG) {
604 BNX2X_ERR("DMAE PCI error!\n");
605 rc = DMAE_PCI_ERROR;
606 }
607
608 DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
609 bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
610 bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
611
612unlock:
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -0800613 spin_unlock_bh(&bp->dmae_lock);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000614 return rc;
615}
616
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700617void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
618 u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200619{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000620 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700621
622 if (!bp->dmae_ready) {
623 u32 *data = bnx2x_sp(bp, wb_data[0]);
624
625 DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)"
626 " using indirect\n", dst_addr, len32);
627 bnx2x_init_ind_wr(bp, dst_addr, data, len32);
628 return;
629 }
630
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000631 /* set opcode and fixed command fields */
632 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200633
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000634 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000635 dmae.src_addr_lo = U64_LO(dma_addr);
636 dmae.src_addr_hi = U64_HI(dma_addr);
637 dmae.dst_addr_lo = dst_addr >> 2;
638 dmae.dst_addr_hi = 0;
639 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200640
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000641 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200642
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000643 /* issue the command and wait for completion */
644 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200645}
646
Yaniv Rosnerc18487e2008-06-23 20:27:52 -0700647void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200648{
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000649 struct dmae_command dmae;
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700650
651 if (!bp->dmae_ready) {
652 u32 *data = bnx2x_sp(bp, wb_data[0]);
653 int i;
654
655 DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)"
656 " using indirect\n", src_addr, len32);
657 for (i = 0; i < len32; i++)
658 data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
659 return;
660 }
661
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000662 /* set opcode and fixed command fields */
663 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200664
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000665 /* fill in addresses and len */
Eilon Greenstein5ff7b6d2009-08-12 08:23:44 +0000666 dmae.src_addr_lo = src_addr >> 2;
667 dmae.src_addr_hi = 0;
668 dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
669 dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
670 dmae.len = len32;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200671
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000672 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200673
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000674 /* issue the command and wait for completion */
675 bnx2x_issue_dmae_with_comp(bp, &dmae);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200676}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200677
stephen hemminger8d962862010-10-21 07:50:56 +0000678static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
679 u32 addr, u32 len)
Eilon Greenstein573f2032009-08-12 08:24:14 +0000680{
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000681 int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
Eilon Greenstein573f2032009-08-12 08:24:14 +0000682 int offset = 0;
683
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000684 while (len > dmae_wr_max) {
Eilon Greenstein573f2032009-08-12 08:24:14 +0000685 bnx2x_write_dmae(bp, phys_addr + offset,
Vladislav Zolotarov02e3c6c2010-04-19 01:13:33 +0000686 addr + offset, dmae_wr_max);
687 offset += dmae_wr_max * 4;
688 len -= dmae_wr_max;
Eilon Greenstein573f2032009-08-12 08:24:14 +0000689 }
690
691 bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
692}
693
Eilon Greensteinad8d3942008-06-23 20:29:02 -0700694/* used only for slowpath so not inlined */
695static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
696{
697 u32 wb_write[2];
698
699 wb_write[0] = val_hi;
700 wb_write[1] = val_lo;
701 REG_WR_DMAE(bp, reg, wb_write, 2);
702}
703
704#ifdef USE_WB_RD
705static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
706{
707 u32 wb_data[2];
708
709 REG_RD_DMAE(bp, reg, wb_data, 2);
710
711 return HILO_U64(wb_data[0], wb_data[1]);
712}
713#endif
714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200715static int bnx2x_mc_assert(struct bnx2x *bp)
716{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200717 char last_idx;
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700718 int i, rc = 0;
719 u32 row0, row1, row2, row3;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200720
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700721 /* XSTORM */
722 last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
723 XSTORM_ASSERT_LIST_INDEX_OFFSET);
724 if (last_idx)
725 BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200726
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700727 /* print the asserts */
728 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200729
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700730 row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
731 XSTORM_ASSERT_LIST_OFFSET(i));
732 row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
733 XSTORM_ASSERT_LIST_OFFSET(i) + 4);
734 row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
735 XSTORM_ASSERT_LIST_OFFSET(i) + 8);
736 row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
737 XSTORM_ASSERT_LIST_OFFSET(i) + 12);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200738
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700739 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
740 BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
741 " 0x%08x 0x%08x 0x%08x\n",
742 i, row3, row2, row1, row0);
743 rc++;
744 } else {
745 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200746 }
747 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700748
749 /* TSTORM */
750 last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
751 TSTORM_ASSERT_LIST_INDEX_OFFSET);
752 if (last_idx)
753 BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
754
755 /* print the asserts */
756 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
757
758 row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
759 TSTORM_ASSERT_LIST_OFFSET(i));
760 row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
761 TSTORM_ASSERT_LIST_OFFSET(i) + 4);
762 row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
763 TSTORM_ASSERT_LIST_OFFSET(i) + 8);
764 row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
765 TSTORM_ASSERT_LIST_OFFSET(i) + 12);
766
767 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
768 BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
769 " 0x%08x 0x%08x 0x%08x\n",
770 i, row3, row2, row1, row0);
771 rc++;
772 } else {
773 break;
774 }
775 }
776
777 /* CSTORM */
778 last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
779 CSTORM_ASSERT_LIST_INDEX_OFFSET);
780 if (last_idx)
781 BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
782
783 /* print the asserts */
784 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
785
786 row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
787 CSTORM_ASSERT_LIST_OFFSET(i));
788 row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
789 CSTORM_ASSERT_LIST_OFFSET(i) + 4);
790 row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
791 CSTORM_ASSERT_LIST_OFFSET(i) + 8);
792 row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
793 CSTORM_ASSERT_LIST_OFFSET(i) + 12);
794
795 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
796 BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
797 " 0x%08x 0x%08x 0x%08x\n",
798 i, row3, row2, row1, row0);
799 rc++;
800 } else {
801 break;
802 }
803 }
804
805 /* USTORM */
806 last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
807 USTORM_ASSERT_LIST_INDEX_OFFSET);
808 if (last_idx)
809 BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);
810
811 /* print the asserts */
812 for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {
813
814 row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
815 USTORM_ASSERT_LIST_OFFSET(i));
816 row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
817 USTORM_ASSERT_LIST_OFFSET(i) + 4);
818 row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
819 USTORM_ASSERT_LIST_OFFSET(i) + 8);
820 row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
821 USTORM_ASSERT_LIST_OFFSET(i) + 12);
822
823 if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
824 BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
825 " 0x%08x 0x%08x 0x%08x\n",
826 i, row3, row2, row1, row0);
827 rc++;
828 } else {
829 break;
830 }
831 }
832
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200833 return rc;
834}
Eliezer Tamirc14423f2008-02-28 11:49:42 -0800835
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200836static void bnx2x_fw_dump(struct bnx2x *bp)
837{
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000838 u32 addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200839 u32 mark, offset;
Eilon Greenstein4781bfa2009-02-12 08:38:17 +0000840 __be32 data[9];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200841 int word;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000842 u32 trace_shmem_base;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +0000843 if (BP_NOMCP(bp)) {
844 BNX2X_ERR("NO MCP - can not dump\n");
845 return;
846 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000847
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000848 if (BP_PATH(bp) == 0)
849 trace_shmem_base = bp->common.shmem_base;
850 else
851 trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
852 addr = trace_shmem_base - 0x0800 + 4;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000853 mark = REG_RD(bp, addr);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000854 mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
855 + ((mark + 0x3) & ~0x3) - 0x08000000;
Joe Perches7995c642010-02-17 15:01:52 +0000856 pr_err("begin fw dump (mark 0x%x)\n", mark);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200857
Joe Perches7995c642010-02-17 15:01:52 +0000858 pr_err("");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000859 for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200860 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000861 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200862 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000863 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200864 }
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000865 for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200866 for (word = 0; word < 8; word++)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000867 data[word] = htonl(REG_RD(bp, offset + 4*word));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200868 data[8] = 0x0;
Joe Perches7995c642010-02-17 15:01:52 +0000869 pr_cont("%s", (char *)data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200870 }
Joe Perches7995c642010-02-17 15:01:52 +0000871 pr_err("end of fw dump\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200872}
873
Dmitry Kravkov6c719d02010-07-27 12:36:15 +0000874void bnx2x_panic_dump(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200875{
876 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000877 u16 j;
878 struct hc_sp_status_block_data sp_sb_data;
879 int func = BP_FUNC(bp);
880#ifdef BNX2X_STOP_ON_ERROR
881 u16 start = 0, end = 0;
882#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200883
Yitchak Gertner66e855f2008-08-13 15:49:05 -0700884 bp->stats_state = STATS_STATE_DISABLED;
885 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
886
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200887 BNX2X_ERR("begin crash dump -----------------\n");
888
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000889 /* Indices */
890 /* Common */
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000891 BNX2X_ERR("def_idx(0x%x) def_att_idx(0x%x) attn_state(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000892 " spq_prod_idx(0x%x)\n",
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000893 bp->def_idx, bp->def_att_idx,
894 bp->attn_state, bp->spq_prod_idx);
895 BNX2X_ERR("DSB: attn bits(0x%x) ack(0x%x) id(0x%x) idx(0x%x)\n",
896 bp->def_status_blk->atten_status_block.attn_bits,
897 bp->def_status_blk->atten_status_block.attn_bits_ack,
898 bp->def_status_blk->atten_status_block.status_block_id,
899 bp->def_status_blk->atten_status_block.attn_bits_index);
900 BNX2X_ERR(" def (");
901 for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
902 pr_cont("0x%x%s",
903 bp->def_status_blk->sp_sb.index_values[i],
904 (i == HC_SP_SB_MAX_INDICES - 1) ? ") " : " ");
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000905
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000906 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
907 *((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
908 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
909 i*sizeof(u32));
910
911 pr_cont("igu_sb_id(0x%x) igu_seg_id (0x%x) "
912 "pf_id(0x%x) vnic_id(0x%x) "
913 "vf_id(0x%x) vf_valid (0x%x)\n",
914 sp_sb_data.igu_sb_id,
915 sp_sb_data.igu_seg_id,
916 sp_sb_data.p_func.pf_id,
917 sp_sb_data.p_func.vnic_id,
918 sp_sb_data.p_func.vf_id,
919 sp_sb_data.p_func.vf_valid);
920
921
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000922 for_each_eth_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000923 struct bnx2x_fastpath *fp = &bp->fp[i];
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000924 int loop;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000925 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000926 struct hc_status_block_data_e1x sb_data_e1x;
927 struct hc_status_block_sm *hc_sm_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000928 CHIP_IS_E2(bp) ?
929 sb_data_e2.common.state_machine :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000930 sb_data_e1x.common.state_machine;
931 struct hc_index_data *hc_index_p =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000932 CHIP_IS_E2(bp) ?
933 sb_data_e2.index_data :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000934 sb_data_e1x.index_data;
935 int data_size;
936 u32 *sb_data_p;
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000937
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000938 /* Rx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000939 BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000940 " rx_comp_prod(0x%x)"
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000941 " rx_comp_cons(0x%x) *rx_cons_sb(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000942 i, fp->rx_bd_prod, fp->rx_bd_cons,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000943 fp->rx_comp_prod,
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000944 fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000945 BNX2X_ERR(" rx_sge_prod(0x%x) last_max_sge(0x%x)"
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000946 " fp_hc_idx(0x%x)\n",
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000947 fp->rx_sge_prod, fp->last_max_sge,
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000948 le16_to_cpu(fp->fp_hc_idx));
Eilon Greenstein8440d2b2009-02-12 08:38:22 +0000949
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000950 /* Tx */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +0000951 BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
952 " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
953 " *tx_cons_sb(0x%x)\n",
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +0200954 i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
Eilon Greenstein34f80b02008-06-23 20:33:01 -0700955 fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000956
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000957 loop = CHIP_IS_E2(bp) ?
958 HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000959
960 /* host sb data */
961
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +0000962#ifdef BCM_CNIC
963 if (IS_FCOE_FP(fp))
964 continue;
965#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000966 BNX2X_ERR(" run indexes (");
967 for (j = 0; j < HC_SB_MAX_SM; j++)
968 pr_cont("0x%x%s",
969 fp->sb_running_index[j],
970 (j == HC_SB_MAX_SM - 1) ? ")" : " ");
971
972 BNX2X_ERR(" indexes (");
973 for (j = 0; j < loop; j++)
974 pr_cont("0x%x%s",
975 fp->sb_index_values[j],
976 (j == loop - 1) ? ")" : " ");
977 /* fw sb data */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000978 data_size = CHIP_IS_E2(bp) ?
979 sizeof(struct hc_status_block_data_e2) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000980 sizeof(struct hc_status_block_data_e1x);
981 data_size /= sizeof(u32);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000982 sb_data_p = CHIP_IS_E2(bp) ?
983 (u32 *)&sb_data_e2 :
984 (u32 *)&sb_data_e1x;
Dmitry Kravkov523224a2010-10-06 03:23:26 +0000985 /* copy sb data in here */
986 for (j = 0; j < data_size; j++)
987 *(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
988 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
989 j * sizeof(u32));
990
Dmitry Kravkovf2e08992010-10-06 03:28:26 +0000991 if (CHIP_IS_E2(bp)) {
992 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
993 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
994 sb_data_e2.common.p_func.pf_id,
995 sb_data_e2.common.p_func.vf_id,
996 sb_data_e2.common.p_func.vf_valid,
997 sb_data_e2.common.p_func.vnic_id,
998 sb_data_e2.common.same_igu_sb_1b);
999 } else {
1000 pr_cont("pf_id(0x%x) vf_id (0x%x) vf_valid(0x%x) "
1001 "vnic_id(0x%x) same_igu_sb_1b(0x%x)\n",
1002 sb_data_e1x.common.p_func.pf_id,
1003 sb_data_e1x.common.p_func.vf_id,
1004 sb_data_e1x.common.p_func.vf_valid,
1005 sb_data_e1x.common.p_func.vnic_id,
1006 sb_data_e1x.common.same_igu_sb_1b);
1007 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001008
1009 /* SB_SMs data */
1010 for (j = 0; j < HC_SB_MAX_SM; j++) {
1011 pr_cont("SM[%d] __flags (0x%x) "
1012 "igu_sb_id (0x%x) igu_seg_id(0x%x) "
1013 "time_to_expire (0x%x) "
1014 "timer_value(0x%x)\n", j,
1015 hc_sm_p[j].__flags,
1016 hc_sm_p[j].igu_sb_id,
1017 hc_sm_p[j].igu_seg_id,
1018 hc_sm_p[j].time_to_expire,
1019 hc_sm_p[j].timer_value);
1020 }
1021
1022 /* Indecies data */
1023 for (j = 0; j < loop; j++) {
1024 pr_cont("INDEX[%d] flags (0x%x) "
1025 "timeout (0x%x)\n", j,
1026 hc_index_p[j].flags,
1027 hc_index_p[j].timeout);
1028 }
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001029 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001030
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001031#ifdef BNX2X_STOP_ON_ERROR
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001032 /* Rings */
1033 /* Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001034 for_each_rx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001035 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001036
1037 start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
1038 end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001039 for (j = start; j != end; j = RX_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001040 u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
1041 struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
1042
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001043 BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x] sw_bd=[%p]\n",
1044 i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001045 }
1046
Eilon Greenstein3196a882008-08-13 15:58:49 -07001047 start = RX_SGE(fp->rx_sge_prod);
1048 end = RX_SGE(fp->last_max_sge);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001049 for (j = start; j != end; j = RX_SGE(j + 1)) {
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001050 u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
1051 struct sw_rx_page *sw_page = &fp->rx_page_ring[j];
1052
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001053 BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x] sw_page=[%p]\n",
1054 i, j, rx_sge[1], rx_sge[0], sw_page->page);
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07001055 }
1056
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001057 start = RCQ_BD(fp->rx_comp_cons - 10);
1058 end = RCQ_BD(fp->rx_comp_cons + 503);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001059 for (j = start; j != end; j = RCQ_BD(j + 1)) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001060 u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
1061
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001062 BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
1063 i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001064 }
1065 }
1066
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001067 /* Tx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001068 for_each_tx_queue(bp, i) {
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001069 struct bnx2x_fastpath *fp = &bp->fp[i];
1070
1071 start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
1072 end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
1073 for (j = start; j != end; j = TX_BD(j + 1)) {
1074 struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
1075
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001076 BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
1077 i, j, sw_bd->skb, sw_bd->first_bd);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001078 }
1079
1080 start = TX_BD(fp->tx_bd_cons - 10);
1081 end = TX_BD(fp->tx_bd_cons + 254);
1082 for (j = start; j != end; j = TX_BD(j + 1)) {
1083 u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
1084
Eilon Greensteinc3eefaf2009-03-02 08:01:09 +00001085 BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
1086 i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
Eilon Greenstein8440d2b2009-02-12 08:38:22 +00001087 }
1088 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001089#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001090 bnx2x_fw_dump(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001091 bnx2x_mc_assert(bp);
1092 BNX2X_ERR("end crash dump -----------------\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001093}
1094
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001095static void bnx2x_hc_int_enable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001096{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001097 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001098 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1099 u32 val = REG_RD(bp, addr);
1100 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001101 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001102
1103 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001104 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1105 HC_CONFIG_0_REG_INT_LINE_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001106 val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1107 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eilon Greenstein8badd272009-02-12 08:36:15 +00001108 } else if (msi) {
1109 val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
1110 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1111 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1112 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001113 } else {
1114 val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001115 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001116 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1117 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001118
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001119 if (!CHIP_IS_E1(bp)) {
1120 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1121 val, port, addr);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001122
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001123 REG_WR(bp, addr, val);
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08001124
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001125 val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
1126 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001127 }
1128
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001129 if (CHIP_IS_E1(bp))
1130 REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);
1131
Eilon Greenstein8badd272009-02-12 08:36:15 +00001132 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) mode %s\n",
1133 val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001134
1135 REG_WR(bp, addr, val);
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001136 /*
1137 * Ensure that HC_CONFIG is written before leading/trailing edge config
1138 */
1139 mmiowb();
1140 barrier();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001141
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001142 if (!CHIP_IS_E1(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001143 /* init leading/trailing edge */
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001144 if (IS_MF(bp)) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001145 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001146 if (bp->port.pmf)
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001147 /* enable nig and gpio3 attention */
1148 val |= 0x1100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001149 } else
1150 val = 0xffff;
1151
1152 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
1153 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
1154 }
Eilon Greenstein37dbbf32009-07-21 05:47:33 +00001155
1156 /* Make sure that interrupts are indeed enabled from here on */
1157 mmiowb();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001158}
1159
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001160static void bnx2x_igu_int_enable(struct bnx2x *bp)
1161{
1162 u32 val;
1163 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
1164 int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
1165
1166 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1167
1168 if (msix) {
1169 val &= ~(IGU_PF_CONF_INT_LINE_EN |
1170 IGU_PF_CONF_SINGLE_ISR_EN);
1171 val |= (IGU_PF_CONF_FUNC_EN |
1172 IGU_PF_CONF_MSI_MSIX_EN |
1173 IGU_PF_CONF_ATTN_BIT_EN);
1174 } else if (msi) {
1175 val &= ~IGU_PF_CONF_INT_LINE_EN;
1176 val |= (IGU_PF_CONF_FUNC_EN |
1177 IGU_PF_CONF_MSI_MSIX_EN |
1178 IGU_PF_CONF_ATTN_BIT_EN |
1179 IGU_PF_CONF_SINGLE_ISR_EN);
1180 } else {
1181 val &= ~IGU_PF_CONF_MSI_MSIX_EN;
1182 val |= (IGU_PF_CONF_FUNC_EN |
1183 IGU_PF_CONF_INT_LINE_EN |
1184 IGU_PF_CONF_ATTN_BIT_EN |
1185 IGU_PF_CONF_SINGLE_ISR_EN);
1186 }
1187
1188 DP(NETIF_MSG_INTR, "write 0x%x to IGU mode %s\n",
1189 val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
1190
1191 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1192
1193 barrier();
1194
1195 /* init leading/trailing edge */
1196 if (IS_MF(bp)) {
1197 val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1198 if (bp->port.pmf)
1199 /* enable nig and gpio3 attention */
1200 val |= 0x1100;
1201 } else
1202 val = 0xffff;
1203
1204 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
1205 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
1206
1207 /* Make sure that interrupts are indeed enabled from here on */
1208 mmiowb();
1209}
1210
1211void bnx2x_int_enable(struct bnx2x *bp)
1212{
1213 if (bp->common.int_block == INT_BLOCK_HC)
1214 bnx2x_hc_int_enable(bp);
1215 else
1216 bnx2x_igu_int_enable(bp);
1217}
1218
1219static void bnx2x_hc_int_disable(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001220{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001221 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001222 u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
1223 u32 val = REG_RD(bp, addr);
1224
Dmitry Kravkova0fd0652010-10-19 05:13:05 +00001225 /*
1226 * in E1 we must use only PCI configuration space to disable
1227 * MSI/MSIX capablility
1228 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
1229 */
1230 if (CHIP_IS_E1(bp)) {
1231 /* Since IGU_PF_CONF_MSI_MSIX_EN still always on
1232 * Use mask register to prevent from HC sending interrupts
1233 * after we exit the function
1234 */
1235 REG_WR(bp, HC_REG_INT_MASK + port*4, 0);
1236
1237 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1238 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1239 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
1240 } else
1241 val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
1242 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
1243 HC_CONFIG_0_REG_INT_LINE_EN_0 |
1244 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001245
1246 DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
1247 val, port, addr);
1248
Eilon Greenstein8badd272009-02-12 08:36:15 +00001249 /* flush all outstanding writes */
1250 mmiowb();
1251
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001252 REG_WR(bp, addr, val);
1253 if (REG_RD(bp, addr) != val)
1254 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1255}
1256
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001257static void bnx2x_igu_int_disable(struct bnx2x *bp)
1258{
1259 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
1260
1261 val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
1262 IGU_PF_CONF_INT_LINE_EN |
1263 IGU_PF_CONF_ATTN_BIT_EN);
1264
1265 DP(NETIF_MSG_INTR, "write %x to IGU\n", val);
1266
1267 /* flush all outstanding writes */
1268 mmiowb();
1269
1270 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
1271 if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
1272 BNX2X_ERR("BUG! proper val not read from IGU!\n");
1273}
1274
stephen hemminger8d962862010-10-21 07:50:56 +00001275static void bnx2x_int_disable(struct bnx2x *bp)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001276{
1277 if (bp->common.int_block == INT_BLOCK_HC)
1278 bnx2x_hc_int_disable(bp);
1279 else
1280 bnx2x_igu_int_disable(bp);
1281}
1282
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001283void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001284{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001285 int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
Eilon Greenstein8badd272009-02-12 08:36:15 +00001286 int i, offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001287
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001288 /* disable interrupt handling */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001289 atomic_inc(&bp->intr_sem);
Eilon Greensteine1510702009-07-21 05:47:41 +00001290 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
1291
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07001292 if (disable_hw)
1293 /* prevent the HW from sending interrupts */
1294 bnx2x_int_disable(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001295
1296 /* make sure all ISRs are done */
1297 if (msix) {
Eilon Greenstein8badd272009-02-12 08:36:15 +00001298 synchronize_irq(bp->msix_table[0].vector);
1299 offset = 1;
Michael Chan37b091b2009-10-10 13:46:55 +00001300#ifdef BCM_CNIC
1301 offset++;
1302#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001303 for_each_eth_queue(bp, i)
Eilon Greenstein8badd272009-02-12 08:36:15 +00001304 synchronize_irq(bp->msix_table[i + offset].vector);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001305 } else
1306 synchronize_irq(bp->pdev->irq);
1307
1308 /* make sure sp_task is not running */
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001309 cancel_delayed_work(&bp->sp_task);
1310 flush_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001311}
1312
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001313/* fast path */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001314
1315/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001316 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001317 */
1318
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001319/* Return true if succeeded to acquire the lock */
1320static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
1321{
1322 u32 lock_status;
1323 u32 resource_bit = (1 << resource);
1324 int func = BP_FUNC(bp);
1325 u32 hw_lock_control_reg;
1326
1327 DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);
1328
1329 /* Validating that the resource is within range */
1330 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1331 DP(NETIF_MSG_HW,
1332 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1333 resource, HW_LOCK_MAX_RESOURCE_VALUE);
Eric Dumazet0fdf4d02010-08-26 22:03:53 -07001334 return false;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001335 }
1336
1337 if (func <= 5)
1338 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1339 else
1340 hw_lock_control_reg =
1341 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1342
1343 /* Try to acquire the lock */
1344 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1345 lock_status = REG_RD(bp, hw_lock_control_reg);
1346 if (lock_status & resource_bit)
1347 return true;
1348
1349 DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
1350 return false;
1351}
1352
Michael Chan993ac7b2009-10-10 13:46:56 +00001353#ifdef BCM_CNIC
1354static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
1355#endif
Eilon Greenstein3196a882008-08-13 15:58:49 -07001356
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001357void bnx2x_sp_event(struct bnx2x_fastpath *fp,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001358 union eth_rx_cqe *rr_cqe)
1359{
1360 struct bnx2x *bp = fp->bp;
1361 int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1362 int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);
1363
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001364 DP(BNX2X_MSG_SP,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001365 "fp %d cid %d got ramrod #%d state is %x type is %d\n",
Eilon Greenstein0626b892009-02-12 08:38:14 +00001366 fp->index, cid, command, bp->state,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001367 rr_cqe->ramrod_cqe.ramrod_type);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001368
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001369 switch (command | fp->state) {
1370 case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
1371 DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
1372 fp->state = BNX2X_FP_STATE_OPEN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001373 break;
1374
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001375 case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
1376 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001377 fp->state = BNX2X_FP_STATE_HALTED;
1378 break;
1379
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001380 case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
1381 DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
1382 fp->state = BNX2X_FP_STATE_TERMINATED;
Eliezer Tamir49d66772008-02-28 11:53:13 -08001383 break;
1384
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001385 default:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001386 BNX2X_ERR("unexpected MC reply (%d) "
1387 "fp[%d] state is %x\n",
1388 command, fp->index, fp->state);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001389 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001390 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001391
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00001392 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08001393 atomic_inc(&bp->cq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001394 /* push the change in fp->state and towards the memory */
1395 smp_wmb();
1396
1397 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001398}
1399
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001400irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001401{
Eilon Greenstein555f6c72009-02-12 08:36:11 +00001402 struct bnx2x *bp = netdev_priv(dev_instance);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001403 u16 status = bnx2x_ack_int(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001404 u16 mask;
Eilon Greensteinca003922009-08-12 22:53:28 -07001405 int i;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001406
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001407 /* Return here if interrupt is shared and it's not for us */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001408 if (unlikely(status == 0)) {
1409 DP(NETIF_MSG_INTR, "not our interrupt!\n");
1410 return IRQ_NONE;
1411 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001412 DP(NETIF_MSG_INTR, "got an interrupt status 0x%x\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001413
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001414 /* Return here if interrupt is disabled */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001415 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
1416 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
1417 return IRQ_HANDLED;
1418 }
1419
Eilon Greenstein3196a882008-08-13 15:58:49 -07001420#ifdef BNX2X_STOP_ON_ERROR
1421 if (unlikely(bp->panic))
1422 return IRQ_HANDLED;
1423#endif
1424
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00001425 for_each_eth_queue(bp, i) {
Eilon Greensteinca003922009-08-12 22:53:28 -07001426 struct bnx2x_fastpath *fp = &bp->fp[i];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001427
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001428 mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
Eilon Greensteinca003922009-08-12 22:53:28 -07001429 if (status & mask) {
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001430 /* Handle Rx and Tx according to SB id */
1431 prefetch(fp->rx_cons_sb);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001432 prefetch(fp->tx_cons_sb);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001433 prefetch(&fp->sb_running_index[SM_RX_ID]);
Vladislav Zolotarov54b9dda2009-11-16 06:05:58 +00001434 napi_schedule(&bnx2x_fp(bp, fp->index, napi));
Eilon Greensteinca003922009-08-12 22:53:28 -07001435 status &= ~mask;
1436 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001437 }
1438
Michael Chan993ac7b2009-10-10 13:46:56 +00001439#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001440 mask = 0x2;
Michael Chan993ac7b2009-10-10 13:46:56 +00001441 if (status & (mask | 0x1)) {
1442 struct cnic_ops *c_ops = NULL;
1443
1444 rcu_read_lock();
1445 c_ops = rcu_dereference(bp->cnic_ops);
1446 if (c_ops)
1447 c_ops->cnic_handler(bp->cnic_data, NULL);
1448 rcu_read_unlock();
1449
1450 status &= ~mask;
1451 }
1452#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001453
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001454 if (unlikely(status & 0x1)) {
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08001455 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001456
1457 status &= ~0x1;
1458 if (!status)
1459 return IRQ_HANDLED;
1460 }
1461
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001462 if (unlikely(status))
1463 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001464 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001465
1466 return IRQ_HANDLED;
1467}
1468
1469/* end of fast path */
1470
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001471
1472/* Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001473
1474/*
1475 * General service functions
1476 */
1477
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001478int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001479{
Eliezer Tamirf1410642008-02-28 11:51:50 -08001480 u32 lock_status;
1481 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001482 int func = BP_FUNC(bp);
1483 u32 hw_lock_control_reg;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001484 int cnt;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001485
1486 /* Validating that the resource is within range */
1487 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1488 DP(NETIF_MSG_HW,
1489 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1490 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1491 return -EINVAL;
1492 }
1493
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001494 if (func <= 5) {
1495 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1496 } else {
1497 hw_lock_control_reg =
1498 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1499 }
1500
Eliezer Tamirf1410642008-02-28 11:51:50 -08001501 /* Validating that the resource is not already taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001502 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001503 if (lock_status & resource_bit) {
1504 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1505 lock_status, resource_bit);
1506 return -EEXIST;
1507 }
1508
Eilon Greenstein46230476b2008-08-25 15:23:30 -07001509 /* Try for 5 second every 5ms */
1510 for (cnt = 0; cnt < 1000; cnt++) {
Eliezer Tamirf1410642008-02-28 11:51:50 -08001511 /* Try to acquire the lock */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001512 REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
1513 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001514 if (lock_status & resource_bit)
1515 return 0;
1516
1517 msleep(5);
1518 }
1519 DP(NETIF_MSG_HW, "Timeout\n");
1520 return -EAGAIN;
1521}
1522
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001523int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001524{
1525 u32 lock_status;
1526 u32 resource_bit = (1 << resource);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001527 int func = BP_FUNC(bp);
1528 u32 hw_lock_control_reg;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001529
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00001530 DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);
1531
Eliezer Tamirf1410642008-02-28 11:51:50 -08001532 /* Validating that the resource is within range */
1533 if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
1534 DP(NETIF_MSG_HW,
1535 "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
1536 resource, HW_LOCK_MAX_RESOURCE_VALUE);
1537 return -EINVAL;
1538 }
1539
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001540 if (func <= 5) {
1541 hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
1542 } else {
1543 hw_lock_control_reg =
1544 (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
1545 }
1546
Eliezer Tamirf1410642008-02-28 11:51:50 -08001547 /* Validating that the resource is currently taken */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001548 lock_status = REG_RD(bp, hw_lock_control_reg);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001549 if (!(lock_status & resource_bit)) {
1550 DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n",
1551 lock_status, resource_bit);
1552 return -EFAULT;
1553 }
1554
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001555 REG_WR(bp, hw_lock_control_reg, resource_bit);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001556 return 0;
1557}
1558
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001559
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001560int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
1561{
1562 /* The GPIO should be swapped if swap register is set and active */
1563 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1564 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1565 int gpio_shift = gpio_num +
1566 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1567 u32 gpio_mask = (1 << gpio_shift);
1568 u32 gpio_reg;
1569 int value;
1570
1571 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1572 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1573 return -EINVAL;
1574 }
1575
1576 /* read GPIO value */
1577 gpio_reg = REG_RD(bp, MISC_REG_GPIO);
1578
1579 /* get the requested pin value */
1580 if ((gpio_reg & gpio_mask) == gpio_mask)
1581 value = 1;
1582 else
1583 value = 0;
1584
1585 DP(NETIF_MSG_LINK, "pin %d value 0x%x\n", gpio_num, value);
1586
1587 return value;
1588}
1589
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001590int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Eliezer Tamirf1410642008-02-28 11:51:50 -08001591{
1592 /* The GPIO should be swapped if swap register is set and active */
1593 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001594 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001595 int gpio_shift = gpio_num +
1596 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1597 u32 gpio_mask = (1 << gpio_shift);
1598 u32 gpio_reg;
1599
1600 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1601 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1602 return -EINVAL;
1603 }
1604
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001605 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001606 /* read GPIO and mask except the float bits */
1607 gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
1608
1609 switch (mode) {
1610 case MISC_REGISTERS_GPIO_OUTPUT_LOW:
1611 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
1612 gpio_num, gpio_shift);
1613 /* clear FLOAT and set CLR */
1614 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1615 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
1616 break;
1617
1618 case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
1619 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
1620 gpio_num, gpio_shift);
1621 /* clear FLOAT and set SET */
1622 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1623 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
1624 break;
1625
Eilon Greenstein17de50b2008-08-13 15:56:59 -07001626 case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001627 DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
1628 gpio_num, gpio_shift);
1629 /* set FLOAT */
1630 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
1631 break;
1632
1633 default:
1634 break;
1635 }
1636
1637 REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001638 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001639
1640 return 0;
1641}
1642
Eilon Greenstein4acac6a2009-02-12 08:36:52 +00001643int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
1644{
1645 /* The GPIO should be swapped if swap register is set and active */
1646 int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1647 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
1648 int gpio_shift = gpio_num +
1649 (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
1650 u32 gpio_mask = (1 << gpio_shift);
1651 u32 gpio_reg;
1652
1653 if (gpio_num > MISC_REGISTERS_GPIO_3) {
1654 BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
1655 return -EINVAL;
1656 }
1657
1658 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1659 /* read GPIO int */
1660 gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);
1661
1662 switch (mode) {
1663 case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
1664 DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
1665 "output low\n", gpio_num, gpio_shift);
1666 /* clear SET and set CLR */
1667 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1668 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1669 break;
1670
1671 case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
1672 DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
1673 "output high\n", gpio_num, gpio_shift);
1674 /* clear CLR and set SET */
1675 gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
1676 gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
1677 break;
1678
1679 default:
1680 break;
1681 }
1682
1683 REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
1684 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
1685
1686 return 0;
1687}
1688
Eliezer Tamirf1410642008-02-28 11:51:50 -08001689static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
1690{
1691 u32 spio_mask = (1 << spio_num);
1692 u32 spio_reg;
1693
1694 if ((spio_num < MISC_REGISTERS_SPIO_4) ||
1695 (spio_num > MISC_REGISTERS_SPIO_7)) {
1696 BNX2X_ERR("Invalid SPIO %d\n", spio_num);
1697 return -EINVAL;
1698 }
1699
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001700 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001701 /* read SPIO and mask except the float bits */
1702 spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
1703
1704 switch (mode) {
Eilon Greenstein6378c022008-08-13 15:59:25 -07001705 case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001706 DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
1707 /* clear FLOAT and set CLR */
1708 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1709 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
1710 break;
1711
Eilon Greenstein6378c022008-08-13 15:59:25 -07001712 case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Eliezer Tamirf1410642008-02-28 11:51:50 -08001713 DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
1714 /* clear FLOAT and set SET */
1715 spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1716 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
1717 break;
1718
1719 case MISC_REGISTERS_SPIO_INPUT_HI_Z:
1720 DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
1721 /* set FLOAT */
1722 spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
1723 break;
1724
1725 default:
1726 break;
1727 }
1728
1729 REG_WR(bp, MISC_REG_SPIO, spio_reg);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001730 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001731
1732 return 0;
1733}
1734
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001735void bnx2x_calc_fc_adv(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001736{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001737 u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
Eilon Greensteinad33ea32009-01-14 21:24:57 -08001738 switch (bp->link_vars.ieee_fc &
1739 MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001740 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001741 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001742 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001743 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001744
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001745 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001746 bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001747 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001748 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001749
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001750 case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001751 bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Eliezer Tamirf1410642008-02-28 11:51:50 -08001752 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00001753
Eliezer Tamirf1410642008-02-28 11:51:50 -08001754 default:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001755 bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001756 ADVERTISED_Pause);
Eliezer Tamirf1410642008-02-28 11:51:50 -08001757 break;
1758 }
1759}
1760
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001761u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001762{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001763 if (!BP_NOMCP(bp)) {
1764 u8 rc;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001765 int cfx_idx = bnx2x_get_link_cfg_idx(bp);
1766 u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
Eilon Greenstein19680c42008-08-13 15:47:33 -07001767 /* Initialize link parameters structure variables */
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001768 /* It is recommended to turn off RX FC for jumbo frames
1769 for better performance */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001770 if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
David S. Millerc0700f92008-12-16 23:53:20 -08001771 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Yaniv Rosner8c99e7b2008-08-13 15:56:17 -07001772 else
David S. Millerc0700f92008-12-16 23:53:20 -08001773 bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001774
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001775 bnx2x_acquire_phy_lock(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001776
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001777 if (load_mode == LOAD_DIAG) {
Yaniv Rosnerde6eae12010-09-07 11:41:13 +00001778 bp->link_params.loopback_mode = LOOPBACK_XGXS;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001779 bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
1780 }
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001781
Eilon Greenstein19680c42008-08-13 15:47:33 -07001782 rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001783
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001784 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001785
Eilon Greenstein3c96c682009-01-14 21:25:31 -08001786 bnx2x_calc_fc_adv(bp);
1787
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001788 if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
1789 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001790 bnx2x_link_report(bp);
Eilon Greensteinb5bf9062009-02-12 08:38:08 +00001791 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001792 bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
Eilon Greenstein19680c42008-08-13 15:47:33 -07001793 return rc;
1794 }
Eilon Greensteinf5372252009-02-12 08:38:30 +00001795 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
Eilon Greenstein19680c42008-08-13 15:47:33 -07001796 return -EINVAL;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001797}
1798
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00001799void bnx2x_link_set(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001800{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001801 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001802 bnx2x_acquire_phy_lock(bp);
Yaniv Rosner54c2fb72010-09-01 09:51:23 +00001803 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001804 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001805 bnx2x_release_phy_lock(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001806
Eilon Greenstein19680c42008-08-13 15:47:33 -07001807 bnx2x_calc_fc_adv(bp);
1808 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001809 BNX2X_ERR("Bootcode is missing - can not set link\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001810}
1811
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001812static void bnx2x__link_reset(struct bnx2x *bp)
1813{
Eilon Greenstein19680c42008-08-13 15:47:33 -07001814 if (!BP_NOMCP(bp)) {
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001815 bnx2x_acquire_phy_lock(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00001816 bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07001817 bnx2x_release_phy_lock(bp);
Eilon Greenstein19680c42008-08-13 15:47:33 -07001818 } else
Eilon Greensteinf5372252009-02-12 08:38:30 +00001819 BNX2X_ERR("Bootcode is missing - can not reset link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001820}
1821
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001822u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001823{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001824 u8 rc = 0;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001825
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001826 if (!BP_NOMCP(bp)) {
1827 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00001828 rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
1829 is_serdes);
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00001830 bnx2x_release_phy_lock(bp);
1831 } else
1832 BNX2X_ERR("Bootcode is missing - can not test link\n");
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07001833
1834 return rc;
1835}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02001836
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001837static void bnx2x_init_port_minmax(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001838{
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001839 u32 r_param = bp->link_vars.line_speed / 8;
1840 u32 fair_periodic_timeout_usec;
1841 u32 t_fair;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001842
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001843 memset(&(bp->cmng.rs_vars), 0,
1844 sizeof(struct rate_shaping_vars_per_port));
1845 memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001846
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001847 /* 100 usec in SDM ticks = 25 since each tick is 4 usec */
1848 bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001849
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001850 /* this is the threshold below which no timer arming will occur
1851 1.25 coefficient is for the threshold to be a little bigger
1852 than the real time, to compensate for timer in-accuracy */
1853 bp->cmng.rs_vars.rs_threshold =
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001854 (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;
1855
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001856 /* resolution of fairness timer */
1857 fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
1858 /* for 10G it is 1000usec. for 1G it is 10000usec. */
1859 t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001860
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001861 /* this is the threshold below which we won't arm the timer anymore */
1862 bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001863
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001864 /* we multiply by 1e3/8 to get bytes/msec.
1865 We don't want the credits to pass a credit
1866 of the t_fair*FAIR_MEM (algorithm resolution) */
1867 bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
1868 /* since each tick is 4 usec */
1869 bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001870}
1871
Eilon Greenstein2691d512009-08-12 08:22:08 +00001872/* Calculates the sum of vn_min_rates.
1873 It's needed for further normalizing of the min_rates.
1874 Returns:
1875 sum of vn_min_rates.
1876 or
1877 0 - if all the min_rates are 0.
1878 In the later case fainess algorithm should be deactivated.
1879 If not all min_rates are zero then those that are zeroes will be set to 1.
1880 */
1881static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
1882{
1883 int all_zero = 1;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001884 int vn;
1885
1886 bp->vn_weight_sum = 0;
1887 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001888 u32 vn_cfg = bp->mf_config[vn];
Eilon Greenstein2691d512009-08-12 08:22:08 +00001889 u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1890 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1891
1892 /* Skip hidden vns */
1893 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
1894 continue;
1895
1896 /* If min rate is zero - set it to 1 */
1897 if (!vn_min_rate)
1898 vn_min_rate = DEF_MIN_RATE;
1899 else
1900 all_zero = 0;
1901
1902 bp->vn_weight_sum += vn_min_rate;
1903 }
1904
1905 /* ... only if all min rates are zeros - disable fairness */
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001906 if (all_zero) {
1907 bp->cmng.flags.cmng_enables &=
1908 ~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1909 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
1910 " fairness will be disabled\n");
1911 } else
1912 bp->cmng.flags.cmng_enables |=
1913 CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
Eilon Greenstein2691d512009-08-12 08:22:08 +00001914}
1915
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001916static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001917{
1918 struct rate_shaping_vars_per_vn m_rs_vn;
1919 struct fairness_vars_per_vn m_fair_vn;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001920 u32 vn_cfg = bp->mf_config[vn];
1921 int func = 2*vn + BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001922 u16 vn_min_rate, vn_max_rate;
1923 int i;
1924
1925 /* If function is hidden - set min and max to zeroes */
1926 if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
1927 vn_min_rate = 0;
1928 vn_max_rate = 0;
1929
1930 } else {
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001931 u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);
1932
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001933 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
1934 FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001935 /* If fairness is enabled (not all min rates are zeroes) and
1936 if current min rate is zero - set it to 1.
1937 This is a requirement of the algorithm. */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00001938 if (bp->vn_weight_sum && (vn_min_rate == 0))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001939 vn_min_rate = DEF_MIN_RATE;
Dmitry Kravkovfaa6fcb2011-02-28 03:37:20 +00001940
1941 if (IS_MF_SI(bp))
1942 /* maxCfg in percents of linkspeed */
1943 vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
1944 else
1945 /* maxCfg is absolute in 100Mb units */
1946 vn_max_rate = maxCfg * 100;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001947 }
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001948
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001949 DP(NETIF_MSG_IFUP,
Eilon Greensteinb015e3d2009-10-15 00:17:20 -07001950 "func %d: vn_min_rate %d vn_max_rate %d vn_weight_sum %d\n",
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001951 func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001952
1953 memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
1954 memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));
1955
1956 /* global vn counter - maximal Mbps for this vn */
1957 m_rs_vn.vn_counter.rate = vn_max_rate;
1958
1959 /* quota - number of bytes transmitted in this period */
1960 m_rs_vn.vn_counter.quota =
1961 (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;
1962
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001963 if (bp->vn_weight_sum) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001964 /* credit for each period of the fairness algorithm:
1965 number of bytes in T_FAIR (the vn share the port rate).
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00001966 vn_weight_sum should not be larger than 10000, thus
1967 T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
1968 than zero */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001969 m_fair_vn.vn_credit_delta =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001970 max_t(u32, (vn_min_rate * (T_FAIR_COEF /
1971 (8 * bp->vn_weight_sum))),
Dmitry Kravkovff80ee02011-02-28 03:37:11 +00001972 (bp->cmng.fair_vars.fair_threshold +
1973 MIN_ABOVE_THRESH));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00001974 DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001975 m_fair_vn.vn_credit_delta);
1976 }
1977
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001978 /* Store it to internal memory */
1979 for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
1980 REG_WR(bp, BAR_XSTRORM_INTMEM +
1981 XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
1982 ((u32 *)(&m_rs_vn))[i]);
1983
1984 for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
1985 REG_WR(bp, BAR_XSTRORM_INTMEM +
1986 XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
1987 ((u32 *)(&m_fair_vn))[i]);
1988}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00001989
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001990static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
1991{
1992 if (CHIP_REV_IS_SLOW(bp))
1993 return CMNG_FNS_NONE;
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00001994 if (IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001995 return CMNG_FNS_MINMAX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07001996
Dmitry Kravkov523224a2010-10-06 03:23:26 +00001997 return CMNG_FNS_NONE;
1998}
1999
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002000void bnx2x_read_mf_cfg(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002001{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002002 int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002003
2004 if (BP_NOMCP(bp))
2005 return; /* what should be the default bvalue in this case */
2006
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002007 /* For 2 port configuration the absolute function number formula
2008 * is:
2009 * abs_func = 2 * vn + BP_PORT + BP_PATH
2010 *
2011 * and there are 4 functions per port
2012 *
2013 * For 4 port configuration it is
2014 * abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
2015 *
2016 * and there are 2 functions per port
2017 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002018 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002019 int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);
2020
2021 if (func >= E1H_FUNC_MAX)
2022 break;
2023
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002024 bp->mf_config[vn] =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002025 MF_CFG_RD(bp, func_mf_config[func].config);
2026 }
2027}
2028
2029static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
2030{
2031
2032 if (cmng_type == CMNG_FNS_MINMAX) {
2033 int vn;
2034
2035 /* clear cmng_enables */
2036 bp->cmng.flags.cmng_enables = 0;
2037
2038 /* read mf conf from shmem */
2039 if (read_cfg)
2040 bnx2x_read_mf_cfg(bp);
2041
2042 /* Init rate shaping and fairness contexts */
2043 bnx2x_init_port_minmax(bp);
2044
2045 /* vn_weight_sum and enable fairness if not 0 */
2046 bnx2x_calc_vn_weight_sum(bp);
2047
2048 /* calculate and set min-max rate for each vn */
Dmitry Kravkovc4154f22011-03-06 10:49:25 +00002049 if (bp->port.pmf)
2050 for (vn = VN_0; vn < E1HVN_MAX; vn++)
2051 bnx2x_init_vn_minmax(bp, vn);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002052
2053 /* always enable rate shaping and fairness */
2054 bp->cmng.flags.cmng_enables |=
2055 CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
2056 if (!bp->vn_weight_sum)
2057 DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
2058 " fairness will be disabled\n");
2059 return;
2060 }
2061
2062 /* rate shaping and fairness are disabled */
2063 DP(NETIF_MSG_IFUP,
2064 "rate shaping and fairness are disabled\n");
2065}
2066
2067static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
2068{
2069 int port = BP_PORT(bp);
2070 int func;
2071 int vn;
2072
2073 /* Set the attention towards other drivers on the same port */
2074 for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2075 if (vn == BP_E1HVN(bp))
2076 continue;
2077
2078 func = ((vn << 1) | port);
2079 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
2080 (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
2081 }
2082}
Eilon Greenstein8a1c38d2009-02-12 08:36:40 +00002083
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002084/* This function is called upon link interrupt */
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002085static void bnx2x_link_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002086{
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002087 /* Make sure that we are synced with the current statistics */
2088 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2089
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002090 bnx2x_link_update(&bp->link_params, &bp->link_vars);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002091
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002092 if (bp->link_vars.link_up) {
2093
Eilon Greenstein1c063282009-02-12 08:36:43 +00002094 /* dropless flow control */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002095 if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
Eilon Greenstein1c063282009-02-12 08:36:43 +00002096 int port = BP_PORT(bp);
2097 u32 pause_enabled = 0;
2098
2099 if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
2100 pause_enabled = 1;
2101
2102 REG_WR(bp, BAR_USTRORM_INTMEM +
Eilon Greensteinca003922009-08-12 22:53:28 -07002103 USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
Eilon Greenstein1c063282009-02-12 08:36:43 +00002104 pause_enabled);
2105 }
2106
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002107 if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
2108 struct host_port_stats *pstats;
2109
2110 pstats = bnx2x_sp(bp, port_stats);
2111 /* reset old bmac stats */
2112 memset(&(pstats->mac_stx[0]), 0,
2113 sizeof(struct mac_stx));
2114 }
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002115 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002116 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2117 }
2118
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002119 if (bp->link_vars.link_up && bp->link_vars.line_speed) {
2120 int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002121
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002122 if (cmng_fns != CMNG_FNS_NONE) {
2123 bnx2x_cmng_fns_init(bp, false, cmng_fns);
2124 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2125 } else
2126 /* rate shaping and fairness are disabled */
2127 DP(NETIF_MSG_IFUP,
2128 "single function mode without fairness\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002129 }
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002130
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002131 __bnx2x_link_report(bp);
2132
Dmitry Kravkov9fdc3e92011-03-06 10:49:15 +00002133 if (IS_MF(bp))
2134 bnx2x_link_sync_notify(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002135}
2136
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002137void bnx2x__link_status_update(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002138{
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00002139 if (bp->state != BNX2X_STATE_OPEN)
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002140 return;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002141
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002142 bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
2143
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002144 if (bp->link_vars.link_up)
2145 bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
2146 else
2147 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2148
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002149 /* indicate link status */
2150 bnx2x_link_report(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002151}
2152
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002153static void bnx2x_pmf_update(struct bnx2x *bp)
2154{
2155 int port = BP_PORT(bp);
2156 u32 val;
2157
2158 bp->port.pmf = 1;
2159 DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
2160
2161 /* enable nig attention */
2162 val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002163 if (bp->common.int_block == INT_BLOCK_HC) {
2164 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
2165 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
2166 } else if (CHIP_IS_E2(bp)) {
2167 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
2168 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
2169 }
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07002170
2171 bnx2x_stats_handle(bp, STATS_EVENT_PMF);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002172}
2173
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002174/* end of Link */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002175
2176/* slow path */
2177
2178/*
2179 * General service functions
2180 */
2181
Eilon Greenstein2691d512009-08-12 08:22:08 +00002182/* send the MCP a request, block until there is a reply */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002183u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
Eilon Greenstein2691d512009-08-12 08:22:08 +00002184{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002185 int mb_idx = BP_FW_MB_IDX(bp);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002186 u32 seq;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002187 u32 rc = 0;
2188 u32 cnt = 1;
2189 u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;
2190
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002191 mutex_lock(&bp->fw_mb_mutex);
Dmitry Kravkova5971d42011-05-25 04:55:51 +00002192 seq = ++bp->fw_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002193 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
2194 SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));
2195
Eilon Greenstein2691d512009-08-12 08:22:08 +00002196 DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));
2197
2198 do {
2199 /* let the FW do it's magic ... */
2200 msleep(delay);
2201
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002202 rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002203
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002204 /* Give the FW up to 5 second (500*10ms) */
2205 } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
Eilon Greenstein2691d512009-08-12 08:22:08 +00002206
2207 DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
2208 cnt*delay, rc, seq);
2209
2210 /* is this a reply to our command? */
2211 if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
2212 rc &= FW_MSG_CODE_MASK;
2213 else {
2214 /* FW BUG! */
2215 BNX2X_ERR("FW failed to respond!\n");
2216 bnx2x_fw_dump(bp);
2217 rc = 0;
2218 }
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07002219 mutex_unlock(&bp->fw_mb_mutex);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002220
2221 return rc;
2222}
2223
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002224static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
2225{
2226#ifdef BCM_CNIC
2227 if (IS_FCOE_FP(fp) && IS_MF(bp))
2228 return false;
2229#endif
2230 return true;
2231}
2232
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002233/* must be called under rtnl_lock */
stephen hemminger8d962862010-10-21 07:50:56 +00002234static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002235{
2236 u32 mask = (1 << cl_id);
2237
2238 /* initial seeting is BNX2X_ACCEPT_NONE */
2239 u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
2240 u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
2241 u8 unmatched_unicast = 0;
2242
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002243 if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
2244 unmatched_unicast = 1;
2245
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002246 if (filters & BNX2X_PROMISCUOUS_MODE) {
2247 /* promiscious - accept all, drop none */
2248 drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
2249 accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002250 if (IS_MF_SI(bp)) {
2251 /*
2252 * SI mode defines to accept in promiscuos mode
2253 * only unmatched packets
2254 */
2255 unmatched_unicast = 1;
2256 accp_all_ucast = 0;
2257 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002258 }
2259 if (filters & BNX2X_ACCEPT_UNICAST) {
2260 /* accept matched ucast */
2261 drop_all_ucast = 0;
2262 }
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002263 if (filters & BNX2X_ACCEPT_MULTICAST)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002264 /* accept matched mcast */
2265 drop_all_mcast = 0;
Vladislav Zolotarovd9c8f492011-02-01 14:05:30 -08002266
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002267 if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
2268 /* accept all mcast */
2269 drop_all_ucast = 0;
2270 accp_all_ucast = 1;
2271 }
2272 if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
2273 /* accept all mcast */
2274 drop_all_mcast = 0;
2275 accp_all_mcast = 1;
2276 }
2277 if (filters & BNX2X_ACCEPT_BROADCAST) {
2278 /* accept (all) bcast */
2279 drop_all_bcast = 0;
2280 accp_all_bcast = 1;
2281 }
2282
2283 bp->mac_filters.ucast_drop_all = drop_all_ucast ?
2284 bp->mac_filters.ucast_drop_all | mask :
2285 bp->mac_filters.ucast_drop_all & ~mask;
2286
2287 bp->mac_filters.mcast_drop_all = drop_all_mcast ?
2288 bp->mac_filters.mcast_drop_all | mask :
2289 bp->mac_filters.mcast_drop_all & ~mask;
2290
2291 bp->mac_filters.bcast_drop_all = drop_all_bcast ?
2292 bp->mac_filters.bcast_drop_all | mask :
2293 bp->mac_filters.bcast_drop_all & ~mask;
2294
2295 bp->mac_filters.ucast_accept_all = accp_all_ucast ?
2296 bp->mac_filters.ucast_accept_all | mask :
2297 bp->mac_filters.ucast_accept_all & ~mask;
2298
2299 bp->mac_filters.mcast_accept_all = accp_all_mcast ?
2300 bp->mac_filters.mcast_accept_all | mask :
2301 bp->mac_filters.mcast_accept_all & ~mask;
2302
2303 bp->mac_filters.bcast_accept_all = accp_all_bcast ?
2304 bp->mac_filters.bcast_accept_all | mask :
2305 bp->mac_filters.bcast_accept_all & ~mask;
2306
2307 bp->mac_filters.unmatched_unicast = unmatched_unicast ?
2308 bp->mac_filters.unmatched_unicast | mask :
2309 bp->mac_filters.unmatched_unicast & ~mask;
2310}
2311
stephen hemminger8d962862010-10-21 07:50:56 +00002312static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002313{
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002314 struct tstorm_eth_function_common_config tcfg = {0};
2315 u16 rss_flgs;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002316
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002317 /* tpa */
2318 if (p->func_flgs & FUNC_FLG_TPA)
2319 tcfg.config_flags |=
2320 TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002321
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002322 /* set rss flags */
2323 rss_flgs = (p->rss->mode <<
2324 TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002325
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002326 if (p->rss->cap & RSS_IPV4_CAP)
2327 rss_flgs |= RSS_IPV4_CAP_MASK;
2328 if (p->rss->cap & RSS_IPV4_TCP_CAP)
2329 rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
2330 if (p->rss->cap & RSS_IPV6_CAP)
2331 rss_flgs |= RSS_IPV6_CAP_MASK;
2332 if (p->rss->cap & RSS_IPV6_TCP_CAP)
2333 rss_flgs |= RSS_IPV6_TCP_CAP_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002334
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002335 tcfg.config_flags |= rss_flgs;
2336 tcfg.rss_result_mask = p->rss->result_mask;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002337
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002338 storm_memset_func_cfg(bp, &tcfg, p->func_id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002339
2340 /* Enable the function in the FW */
2341 storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
2342 storm_memset_func_en(bp, p->func_id, 1);
2343
2344 /* statistics */
2345 if (p->func_flgs & FUNC_FLG_STATS) {
2346 struct stats_indication_flags stats_flags = {0};
2347 stats_flags.collect_eth = 1;
2348
2349 storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
2350 storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2351
2352 storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
2353 storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2354
2355 storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
2356 storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2357
2358 storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
2359 storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2360 }
2361
2362 /* spq */
2363 if (p->func_flgs & FUNC_FLG_SPQ) {
2364 storm_memset_spq_addr(bp, p->spq_map, p->func_id);
2365 REG_WR(bp, XSEM_REG_FAST_MEMORY +
2366 XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
2367 }
2368}
2369
2370static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
2371 struct bnx2x_fastpath *fp)
2372{
2373 u16 flags = 0;
2374
2375 /* calculate queue flags */
2376 flags |= QUEUE_FLG_CACHE_ALIGN;
2377 flags |= QUEUE_FLG_HC;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002378 flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002379
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002380 flags |= QUEUE_FLG_VLAN;
2381 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002382
2383 if (!fp->disable_tpa)
2384 flags |= QUEUE_FLG_TPA;
2385
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002386 flags = stat_counter_valid(bp, fp) ?
2387 (flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002388
2389 return flags;
2390}
2391
2392static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
2393 struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
2394 struct bnx2x_rxq_init_params *rxq_init)
2395{
2396 u16 max_sge = 0;
2397 u16 sge_sz = 0;
2398 u16 tpa_agg_size = 0;
2399
2400 /* calculate queue flags */
2401 u16 flags = bnx2x_get_cl_flags(bp, fp);
2402
2403 if (!fp->disable_tpa) {
2404 pause->sge_th_hi = 250;
2405 pause->sge_th_lo = 150;
2406 tpa_agg_size = min_t(u32,
2407 (min_t(u32, 8, MAX_SKB_FRAGS) *
2408 SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
2409 max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
2410 SGE_PAGE_SHIFT;
2411 max_sge = ((max_sge + PAGES_PER_SGE - 1) &
2412 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
2413 sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
2414 0xffff);
2415 }
2416
2417 /* pause - not for e1 */
2418 if (!CHIP_IS_E1(bp)) {
2419 pause->bd_th_hi = 350;
2420 pause->bd_th_lo = 250;
2421 pause->rcq_th_hi = 350;
2422 pause->rcq_th_lo = 250;
2423 pause->sge_th_hi = 0;
2424 pause->sge_th_lo = 0;
2425 pause->pri_map = 1;
2426 }
2427
2428 /* rxq setup */
2429 rxq_init->flags = flags;
2430 rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2431 rxq_init->dscr_map = fp->rx_desc_mapping;
2432 rxq_init->sge_map = fp->rx_sge_mapping;
2433 rxq_init->rcq_map = fp->rx_comp_mapping;
2434 rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
Vladislav Zolotarova8c94b92011-02-06 11:21:02 -08002435
2436 /* Always use mini-jumbo MTU for FCoE L2 ring */
2437 if (IS_FCOE_FP(fp))
2438 rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
2439 else
2440 rxq_init->mtu = bp->dev->mtu;
2441
2442 rxq_init->buf_sz = fp->rx_buf_size;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002443 rxq_init->cl_qzone_id = fp->cl_qzone_id;
2444 rxq_init->cl_id = fp->cl_id;
2445 rxq_init->spcl_id = fp->cl_id;
2446 rxq_init->stat_id = fp->cl_id;
2447 rxq_init->tpa_agg_sz = tpa_agg_size;
2448 rxq_init->sge_buf_sz = sge_sz;
2449 rxq_init->max_sges_pkt = max_sge;
2450 rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
2451 rxq_init->fw_sb_id = fp->fw_sb_id;
2452
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002453 if (IS_FCOE_FP(fp))
2454 rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
2455 else
2456 rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002457
2458 rxq_init->cid = HW_CID(bp, fp->cid);
2459
2460 rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
2461}
2462
2463static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
2464 struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
2465{
2466 u16 flags = bnx2x_get_cl_flags(bp, fp);
2467
2468 txq_init->flags = flags;
2469 txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
2470 txq_init->dscr_map = fp->tx_desc_mapping;
2471 txq_init->stat_id = fp->cl_id;
2472 txq_init->cid = HW_CID(bp, fp->cid);
2473 txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
2474 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
2475 txq_init->fw_sb_id = fp->fw_sb_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00002476
2477 if (IS_FCOE_FP(fp)) {
2478 txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
2479 txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
2480 }
2481
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002482 txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
2483}
2484
stephen hemminger8d962862010-10-21 07:50:56 +00002485static void bnx2x_pf_init(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002486{
2487 struct bnx2x_func_init_params func_init = {0};
2488 struct bnx2x_rss_params rss = {0};
2489 struct event_ring_data eq_data = { {0} };
2490 u16 flags;
2491
2492 /* pf specific setups */
2493 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00002494 storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002495
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002496 if (CHIP_IS_E2(bp)) {
2497 /* reset IGU PF statistics: MSIX + ATTN */
2498 /* PF */
2499 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2500 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2501 (CHIP_MODE_IS_4_PORT(bp) ?
2502 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2503 /* ATTN */
2504 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
2505 BNX2X_IGU_STAS_MSG_VF_CNT*4 +
2506 BNX2X_IGU_STAS_MSG_PF_CNT*4 +
2507 (CHIP_MODE_IS_4_PORT(bp) ?
2508 BP_FUNC(bp) : BP_VN(bp))*4, 0);
2509 }
2510
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002511 /* function setup flags */
2512 flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);
2513
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002514 if (CHIP_IS_E1x(bp))
2515 flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
2516 else
2517 flags |= FUNC_FLG_TPA;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002518
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002519 /* function setup */
2520
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002521 /**
2522 * Although RSS is meaningless when there is a single HW queue we
2523 * still need it enabled in order to have HW Rx hash generated.
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002524 */
Dmitry Kravkov030f3352010-10-17 23:08:53 +00002525 rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
2526 RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
2527 rss.mode = bp->multi_mode;
2528 rss.result_mask = MULTI_MASK;
2529 func_init.rss = &rss;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002530
2531 func_init.func_flgs = flags;
2532 func_init.pf_id = BP_FUNC(bp);
2533 func_init.func_id = BP_FUNC(bp);
2534 func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
2535 func_init.spq_map = bp->spq_mapping;
2536 func_init.spq_prod = bp->spq_prod_idx;
2537
2538 bnx2x_func_init(bp, &func_init);
2539
2540 memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));
2541
2542 /*
2543 Congestion management values depend on the link rate
2544 There is no active link so initial link rate is set to 10 Gbps.
2545 When the link comes up The congestion management values are
2546 re-calculated according to the actual link rate.
2547 */
2548 bp->link_vars.line_speed = SPEED_10000;
2549 bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));
2550
2551 /* Only the PMF sets the HW */
2552 if (bp->port.pmf)
2553 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2554
2555 /* no rx until link is up */
2556 bp->rx_mode = BNX2X_RX_MODE_NONE;
2557 bnx2x_set_storm_rx_mode(bp);
2558
2559 /* init Event Queue */
2560 eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
2561 eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
2562 eq_data.producer = bp->eq_prod;
2563 eq_data.index_id = HC_SP_INDEX_EQ_CONS;
2564 eq_data.sb_id = DEF_SB_ID;
2565 storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
2566}
2567
2568
Eilon Greenstein2691d512009-08-12 08:22:08 +00002569static void bnx2x_e1h_disable(struct bnx2x *bp)
2570{
2571 int port = BP_PORT(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002572
2573 netif_tx_disable(bp->dev);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002574
2575 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
2576
Eilon Greenstein2691d512009-08-12 08:22:08 +00002577 netif_carrier_off(bp->dev);
2578}
2579
2580static void bnx2x_e1h_enable(struct bnx2x *bp)
2581{
2582 int port = BP_PORT(bp);
2583
2584 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
2585
Eilon Greenstein2691d512009-08-12 08:22:08 +00002586 /* Tx queue should be only reenabled */
2587 netif_tx_wake_all_queues(bp->dev);
2588
Eilon Greenstein061bc702009-10-15 00:18:47 -07002589 /*
2590 * Should not call netif_carrier_on since it will be called if the link
2591 * is up when checking for link state
2592 */
Eilon Greenstein2691d512009-08-12 08:22:08 +00002593}
2594
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002595/* called due to MCP event (on pmf):
2596 * reread new bandwidth configuration
2597 * configure FW
2598 * notify others function about the change
2599 */
2600static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
2601{
2602 if (bp->link_vars.link_up) {
2603 bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
2604 bnx2x_link_sync_notify(bp);
2605 }
2606 storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
2607}
2608
2609static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
2610{
2611 bnx2x_config_mf_bw(bp);
2612 bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
2613}
2614
Eilon Greenstein2691d512009-08-12 08:22:08 +00002615static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
2616{
Eilon Greenstein2691d512009-08-12 08:22:08 +00002617 DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002618
2619 if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {
2620
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002621 /*
2622 * This is the only place besides the function initialization
2623 * where the bp->flags can change so it is done without any
2624 * locks
2625 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002626 if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
Eilon Greenstein2691d512009-08-12 08:22:08 +00002627 DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002628 bp->flags |= MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002629
2630 bnx2x_e1h_disable(bp);
2631 } else {
2632 DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07002633 bp->flags &= ~MF_FUNC_DIS;
Eilon Greenstein2691d512009-08-12 08:22:08 +00002634
2635 bnx2x_e1h_enable(bp);
2636 }
2637 dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
2638 }
2639 if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08002640 bnx2x_config_mf_bw(bp);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002641 dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
2642 }
2643
2644 /* Report results to MCP */
2645 if (dcc_event)
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002646 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002647 else
Yaniv Rosnera22f0782010-09-07 11:41:20 +00002648 bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
Eilon Greenstein2691d512009-08-12 08:22:08 +00002649}
2650
Michael Chan289129022009-10-10 13:46:53 +00002651/* must be called under the spq lock */
2652static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
2653{
2654 struct eth_spe *next_spe = bp->spq_prod_bd;
2655
2656 if (bp->spq_prod_bd == bp->spq_last_bd) {
2657 bp->spq_prod_bd = bp->spq;
2658 bp->spq_prod_idx = 0;
2659 DP(NETIF_MSG_TIMER, "end of spq\n");
2660 } else {
2661 bp->spq_prod_bd++;
2662 bp->spq_prod_idx++;
2663 }
2664 return next_spe;
2665}
2666
2667/* must be called under the spq lock */
2668static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
2669{
2670 int func = BP_FUNC(bp);
2671
2672 /* Make sure that BD data is updated before writing the producer */
2673 wmb();
2674
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002675 REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002676 bp->spq_prod_idx);
Michael Chan289129022009-10-10 13:46:53 +00002677 mmiowb();
2678}
2679
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002680/* the slow path queue is odd since completions arrive on the fastpath ring */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00002681int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00002682 u32 data_hi, u32 data_lo, int common)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002683{
Michael Chan289129022009-10-10 13:46:53 +00002684 struct eth_spe *spe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002685 u16 type;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002686
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002687#ifdef BNX2X_STOP_ON_ERROR
2688 if (unlikely(bp->panic))
2689 return -EIO;
2690#endif
2691
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002692 spin_lock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002693
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002694 if (common) {
2695 if (!atomic_read(&bp->eq_spq_left)) {
2696 BNX2X_ERR("BUG! EQ ring full!\n");
2697 spin_unlock_bh(&bp->spq_lock);
2698 bnx2x_panic();
2699 return -EBUSY;
2700 }
2701 } else if (!atomic_read(&bp->cq_spq_left)) {
2702 BNX2X_ERR("BUG! SPQ ring full!\n");
2703 spin_unlock_bh(&bp->spq_lock);
2704 bnx2x_panic();
2705 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002706 }
Eliezer Tamirf1410642008-02-28 11:51:50 -08002707
Michael Chan289129022009-10-10 13:46:53 +00002708 spe = bnx2x_sp_get_next(bp);
2709
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002710 /* CID needs port number to be encoded int it */
Michael Chan289129022009-10-10 13:46:53 +00002711 spe->hdr.conn_and_cmd_data =
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002712 cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
2713 HW_CID(bp, cid));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002714
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002715 if (common)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002716 /* Common ramrods:
2717 * FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
2718 * TRAFFIC_STOP, TRAFFIC_START
2719 */
2720 type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2721 & SPE_HDR_CONN_TYPE;
2722 else
2723 /* ETH ramrods: SETUP, HALT */
2724 type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
2725 & SPE_HDR_CONN_TYPE;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002726
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002727 type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
2728 SPE_HDR_FUNCTION_ID);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002729
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002730 spe->hdr.type = cpu_to_le16(type);
2731
2732 spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
2733 spe->data.update_data_addr.lo = cpu_to_le32(data_lo);
2734
2735 /* stats ramrod has it's own slot on the spq */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002736 if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002737 /* It's ok if the actual decrement is issued towards the memory
2738 * somewhere between the spin_lock and spin_unlock. Thus no
2739 * more explict memory barrier is needed.
2740 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002741 if (common)
2742 atomic_dec(&bp->eq_spq_left);
2743 else
2744 atomic_dec(&bp->cq_spq_left);
2745 }
2746
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002747
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002748 DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002749 "SPQE[%x] (%x:%x) command %d hw_cid %x data (%x:%x) "
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002750 "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002751 bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
2752 (u32)(U64_LO(bp->spq_mapping) +
2753 (void *)bp->spq_prod_bd - (void *)bp->spq), command,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08002754 HW_CID(bp, cid), data_hi, data_lo, type,
2755 atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002756
Michael Chan289129022009-10-10 13:46:53 +00002757 bnx2x_sp_prod_update(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002758 spin_unlock_bh(&bp->spq_lock);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002759 return 0;
2760}
2761
2762/* acquire split MCP access lock register */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002763static int bnx2x_acquire_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002764{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002765 u32 j, val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002766 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002767
2768 might_sleep();
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002769 for (j = 0; j < 1000; j++) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002770 val = (1UL << 31);
2771 REG_WR(bp, GRCBASE_MCP + 0x9c, val);
2772 val = REG_RD(bp, GRCBASE_MCP + 0x9c);
2773 if (val & (1L << 31))
2774 break;
2775
2776 msleep(5);
2777 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002778 if (!(val & (1L << 31))) {
Eilon Greenstein19680c42008-08-13 15:47:33 -07002779 BNX2X_ERR("Cannot acquire MCP access lock register\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002780 rc = -EBUSY;
2781 }
2782
2783 return rc;
2784}
2785
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07002786/* release split MCP access lock register */
2787static void bnx2x_release_alr(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002788{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002789 REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002790}
2791
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002792#define BNX2X_DEF_SB_ATT_IDX 0x0001
2793#define BNX2X_DEF_SB_IDX 0x0002
2794
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002795static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
2796{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002797 struct host_sp_status_block *def_sb = bp->def_status_blk;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002798 u16 rc = 0;
2799
2800 barrier(); /* status block is written to by the chip */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002801 if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
2802 bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002803 rc |= BNX2X_DEF_SB_ATT_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002804 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002805
2806 if (bp->def_idx != def_sb->sp_sb.running_index) {
2807 bp->def_idx = def_sb->sp_sb.running_index;
2808 rc |= BNX2X_DEF_SB_IDX;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002809 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00002810
2811 /* Do not reorder: indecies reading should complete before handling */
2812 barrier();
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002813 return rc;
2814}
2815
2816/*
2817 * slow path service functions
2818 */
2819
2820static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
2821{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002822 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002823 u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
2824 MISC_REG_AEU_MASK_ATTN_FUNC_0;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002825 u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
2826 NIG_REG_MASK_INTERRUPT_PORT0;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002827 u32 aeu_mask;
Eilon Greenstein87942b42009-02-12 08:36:49 +00002828 u32 nig_mask = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002829 u32 reg_addr;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002830
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002831 if (bp->attn_state & asserted)
2832 BNX2X_ERR("IGU ERROR\n");
2833
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002834 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
2835 aeu_mask = REG_RD(bp, aeu_addr);
2836
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002837 DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002838 aeu_mask, asserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00002839 aeu_mask &= ~(asserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002840 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002841
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002842 REG_WR(bp, aeu_addr, aeu_mask);
2843 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002844
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002845 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002846 bp->attn_state |= asserted;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07002847 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002848
2849 if (asserted & ATTN_HARD_WIRED_MASK) {
2850 if (asserted & ATTN_NIG_FOR_FUNC) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002851
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002852 bnx2x_acquire_phy_lock(bp);
2853
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002854 /* save nig interrupt mask */
Eilon Greenstein87942b42009-02-12 08:36:49 +00002855 nig_mask = REG_RD(bp, nig_int_mask_addr);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002856 REG_WR(bp, nig_int_mask_addr, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002857
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07002858 bnx2x_link_attn(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002859
2860 /* handle unicore attn? */
2861 }
2862 if (asserted & ATTN_SW_TIMER_4_FUNC)
2863 DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
2864
2865 if (asserted & GPIO_2_FUNC)
2866 DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
2867
2868 if (asserted & GPIO_3_FUNC)
2869 DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
2870
2871 if (asserted & GPIO_4_FUNC)
2872 DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
2873
2874 if (port == 0) {
2875 if (asserted & ATTN_GENERAL_ATTN_1) {
2876 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
2877 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
2878 }
2879 if (asserted & ATTN_GENERAL_ATTN_2) {
2880 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
2881 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
2882 }
2883 if (asserted & ATTN_GENERAL_ATTN_3) {
2884 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
2885 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
2886 }
2887 } else {
2888 if (asserted & ATTN_GENERAL_ATTN_4) {
2889 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
2890 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
2891 }
2892 if (asserted & ATTN_GENERAL_ATTN_5) {
2893 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
2894 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
2895 }
2896 if (asserted & ATTN_GENERAL_ATTN_6) {
2897 DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
2898 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
2899 }
2900 }
2901
2902 } /* if hardwired */
2903
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00002904 if (bp->common.int_block == INT_BLOCK_HC)
2905 reg_addr = (HC_REG_COMMAND_REG + port*32 +
2906 COMMAND_REG_ATTN_BITS_SET);
2907 else
2908 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);
2909
2910 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
2911 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
2912 REG_WR(bp, reg_addr, asserted);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02002913
2914 /* now set back the mask */
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002915 if (asserted & ATTN_NIG_FOR_FUNC) {
Eilon Greenstein87942b42009-02-12 08:36:49 +00002916 REG_WR(bp, nig_int_mask_addr, nig_mask);
Eilon Greensteina5e9a7c2009-01-14 21:26:01 -08002917 bnx2x_release_phy_lock(bp);
2918 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002919}
2920
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002921static inline void bnx2x_fan_failure(struct bnx2x *bp)
2922{
2923 int port = BP_PORT(bp);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002924 u32 ext_phy_config;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002925 /* mark the failure */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002926 ext_phy_config =
2927 SHMEM_RD(bp,
2928 dev_info.port_hw_config[port].external_phy_config);
2929
2930 ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
2931 ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002932 SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00002933 ext_phy_config);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002934
2935 /* log the failure */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00002936 netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
2937 " the driver to shutdown the card to prevent permanent"
2938 " damage. Please contact OEM Support for assistance\n");
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002939}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00002940
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002941static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
2942{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002943 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002944 int reg_offset;
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002945 u32 val;
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002946
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002947 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
2948 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002949
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002950 if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002951
2952 val = REG_RD(bp, reg_offset);
2953 val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
2954 REG_WR(bp, reg_offset, val);
2955
2956 BNX2X_ERR("SPIO5 hw attention\n");
2957
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002958 /* Fan failure attention */
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00002959 bnx2x_hw_reset_phy(&bp->link_params);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00002960 bnx2x_fan_failure(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002961 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002962
Eilon Greenstein589abe32009-02-12 08:36:55 +00002963 if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
2964 AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
2965 bnx2x_acquire_phy_lock(bp);
2966 bnx2x_handle_module_detect_int(&bp->link_params);
2967 bnx2x_release_phy_lock(bp);
2968 }
2969
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002970 if (attn & HW_INTERRUT_ASSERT_SET_0) {
2971
2972 val = REG_RD(bp, reg_offset);
2973 val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
2974 REG_WR(bp, reg_offset, val);
2975
2976 BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00002977 (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002978 bnx2x_panic();
2979 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002980}
2981
2982static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
2983{
2984 u32 val;
2985
Eilon Greenstein0626b892009-02-12 08:38:14 +00002986 if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08002987
2988 val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
2989 BNX2X_ERR("DB hw attention 0x%x\n", val);
2990 /* DORQ discard attention */
2991 if (val & 0x2)
2992 BNX2X_ERR("FATAL error from DORQ\n");
2993 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07002994
2995 if (attn & HW_INTERRUT_ASSERT_SET_1) {
2996
2997 int port = BP_PORT(bp);
2998 int reg_offset;
2999
3000 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
3001 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);
3002
3003 val = REG_RD(bp, reg_offset);
3004 val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
3005 REG_WR(bp, reg_offset, val);
3006
3007 BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003008 (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003009 bnx2x_panic();
3010 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003011}
3012
3013static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
3014{
3015 u32 val;
3016
3017 if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {
3018
3019 val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
3020 BNX2X_ERR("CFC hw attention 0x%x\n", val);
3021 /* CFC error attention */
3022 if (val & 0x2)
3023 BNX2X_ERR("FATAL error from CFC\n");
3024 }
3025
3026 if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
3027
3028 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
3029 BNX2X_ERR("PXP hw attention 0x%x\n", val);
3030 /* RQ_USDMDP_FIFO_OVERFLOW */
3031 if (val & 0x18000)
3032 BNX2X_ERR("FATAL error from PXP\n");
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003033 if (CHIP_IS_E2(bp)) {
3034 val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
3035 BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
3036 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003037 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003038
3039 if (attn & HW_INTERRUT_ASSERT_SET_2) {
3040
3041 int port = BP_PORT(bp);
3042 int reg_offset;
3043
3044 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
3045 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);
3046
3047 val = REG_RD(bp, reg_offset);
3048 val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
3049 REG_WR(bp, reg_offset, val);
3050
3051 BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
Eilon Greenstein0fc5d002009-08-12 08:24:05 +00003052 (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003053 bnx2x_panic();
3054 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003055}
3056
3057static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
3058{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003059 u32 val;
3060
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003061 if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {
3062
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003063 if (attn & BNX2X_PMF_LINK_ASSERT) {
3064 int func = BP_FUNC(bp);
3065
3066 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003067 bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
3068 func_mf_config[BP_ABS_FUNC(bp)].config);
3069 val = SHMEM_RD(bp,
3070 func_mb[BP_FW_MB_IDX(bp)].drv_status);
Eilon Greenstein2691d512009-08-12 08:22:08 +00003071 if (val & DRV_STATUS_DCC_EVENT_MASK)
3072 bnx2x_dcc_event(bp,
3073 (val & DRV_STATUS_DCC_EVENT_MASK));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08003074
3075 if (val & DRV_STATUS_SET_MF_BW)
3076 bnx2x_set_mf_bw(bp);
3077
Eilon Greenstein2691d512009-08-12 08:22:08 +00003078 if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003079 bnx2x_pmf_update(bp);
3080
Vladislav Zolotarov2ae17f62011-05-04 23:48:23 +00003081 /* Always call it here: bnx2x_link_report() will
3082 * prevent the link indication duplication.
3083 */
3084 bnx2x__link_status_update(bp);
3085
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003086 if (bp->port.pmf &&
Shmulik Ravid785b9b12010-12-30 06:27:03 +00003087 (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
3088 bp->dcbx_enabled > 0)
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003089 /* start dcbx state machine */
3090 bnx2x_dcbx_set_params(bp,
3091 BNX2X_DCBX_STATE_NEG_RECEIVED);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003092 } else if (attn & BNX2X_MC_ASSERT_BITS) {
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003093
3094 BNX2X_ERR("MC assert!\n");
3095 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
3096 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
3097 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
3098 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
3099 bnx2x_panic();
3100
3101 } else if (attn & BNX2X_MCP_ASSERT) {
3102
3103 BNX2X_ERR("MCP assert!\n");
3104 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003105 bnx2x_fw_dump(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003106
3107 } else
3108 BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
3109 }
3110
3111 if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003112 BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
3113 if (attn & BNX2X_GRC_TIMEOUT) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003114 val = CHIP_IS_E1(bp) ? 0 :
3115 REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003116 BNX2X_ERR("GRC time-out 0x%08x\n", val);
3117 }
3118 if (attn & BNX2X_GRC_RSV) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003119 val = CHIP_IS_E1(bp) ? 0 :
3120 REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003121 BNX2X_ERR("GRC reserved 0x%08x\n", val);
3122 }
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003123 REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003124 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003125}
3126
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003127#define BNX2X_MISC_GEN_REG MISC_REG_GENERIC_POR_1
3128#define LOAD_COUNTER_BITS 16 /* Number of bits for load counter */
3129#define LOAD_COUNTER_MASK (((u32)0x1 << LOAD_COUNTER_BITS) - 1)
3130#define RESET_DONE_FLAG_MASK (~LOAD_COUNTER_MASK)
3131#define RESET_DONE_FLAG_SHIFT LOAD_COUNTER_BITS
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00003132
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003133/*
3134 * should be run under rtnl lock
3135 */
3136static inline void bnx2x_set_reset_done(struct bnx2x *bp)
3137{
3138 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3139 val &= ~(1 << RESET_DONE_FLAG_SHIFT);
3140 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3141 barrier();
3142 mmiowb();
3143}
3144
3145/*
3146 * should be run under rtnl lock
3147 */
3148static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
3149{
3150 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3151 val |= (1 << 16);
3152 REG_WR(bp, BNX2X_MISC_GEN_REG, val);
3153 barrier();
3154 mmiowb();
3155}
3156
3157/*
3158 * should be run under rtnl lock
3159 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003160bool bnx2x_reset_is_done(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003161{
3162 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3163 DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
3164 return (val & RESET_DONE_FLAG_MASK) ? false : true;
3165}
3166
3167/*
3168 * should be run under rtnl lock
3169 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003170inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003171{
3172 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3173
3174 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3175
3176 val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
3177 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3178 barrier();
3179 mmiowb();
3180}
3181
3182/*
3183 * should be run under rtnl lock
3184 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003185u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003186{
3187 u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3188
3189 DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);
3190
3191 val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
3192 REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
3193 barrier();
3194 mmiowb();
3195
3196 return val1;
3197}
3198
3199/*
3200 * should be run under rtnl lock
3201 */
3202static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
3203{
3204 return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
3205}
3206
3207static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
3208{
3209 u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
3210 REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
3211}
3212
3213static inline void _print_next_block(int idx, const char *blk)
3214{
3215 if (idx)
3216 pr_cont(", ");
3217 pr_cont("%s", blk);
3218}
3219
3220static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
3221{
3222 int i = 0;
3223 u32 cur_bit = 0;
3224 for (i = 0; sig; i++) {
3225 cur_bit = ((u32)0x1 << i);
3226 if (sig & cur_bit) {
3227 switch (cur_bit) {
3228 case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
3229 _print_next_block(par_num++, "BRB");
3230 break;
3231 case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
3232 _print_next_block(par_num++, "PARSER");
3233 break;
3234 case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
3235 _print_next_block(par_num++, "TSDM");
3236 break;
3237 case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
3238 _print_next_block(par_num++, "SEARCHER");
3239 break;
3240 case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
3241 _print_next_block(par_num++, "TSEMI");
3242 break;
3243 }
3244
3245 /* Clear the bit */
3246 sig &= ~cur_bit;
3247 }
3248 }
3249
3250 return par_num;
3251}
3252
3253static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
3254{
3255 int i = 0;
3256 u32 cur_bit = 0;
3257 for (i = 0; sig; i++) {
3258 cur_bit = ((u32)0x1 << i);
3259 if (sig & cur_bit) {
3260 switch (cur_bit) {
3261 case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
3262 _print_next_block(par_num++, "PBCLIENT");
3263 break;
3264 case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
3265 _print_next_block(par_num++, "QM");
3266 break;
3267 case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
3268 _print_next_block(par_num++, "XSDM");
3269 break;
3270 case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
3271 _print_next_block(par_num++, "XSEMI");
3272 break;
3273 case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
3274 _print_next_block(par_num++, "DOORBELLQ");
3275 break;
3276 case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
3277 _print_next_block(par_num++, "VAUX PCI CORE");
3278 break;
3279 case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
3280 _print_next_block(par_num++, "DEBUG");
3281 break;
3282 case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
3283 _print_next_block(par_num++, "USDM");
3284 break;
3285 case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
3286 _print_next_block(par_num++, "USEMI");
3287 break;
3288 case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
3289 _print_next_block(par_num++, "UPB");
3290 break;
3291 case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
3292 _print_next_block(par_num++, "CSDM");
3293 break;
3294 }
3295
3296 /* Clear the bit */
3297 sig &= ~cur_bit;
3298 }
3299 }
3300
3301 return par_num;
3302}
3303
3304static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
3305{
3306 int i = 0;
3307 u32 cur_bit = 0;
3308 for (i = 0; sig; i++) {
3309 cur_bit = ((u32)0x1 << i);
3310 if (sig & cur_bit) {
3311 switch (cur_bit) {
3312 case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
3313 _print_next_block(par_num++, "CSEMI");
3314 break;
3315 case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
3316 _print_next_block(par_num++, "PXP");
3317 break;
3318 case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
3319 _print_next_block(par_num++,
3320 "PXPPCICLOCKCLIENT");
3321 break;
3322 case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
3323 _print_next_block(par_num++, "CFC");
3324 break;
3325 case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
3326 _print_next_block(par_num++, "CDU");
3327 break;
3328 case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
3329 _print_next_block(par_num++, "IGU");
3330 break;
3331 case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
3332 _print_next_block(par_num++, "MISC");
3333 break;
3334 }
3335
3336 /* Clear the bit */
3337 sig &= ~cur_bit;
3338 }
3339 }
3340
3341 return par_num;
3342}
3343
3344static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
3345{
3346 int i = 0;
3347 u32 cur_bit = 0;
3348 for (i = 0; sig; i++) {
3349 cur_bit = ((u32)0x1 << i);
3350 if (sig & cur_bit) {
3351 switch (cur_bit) {
3352 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
3353 _print_next_block(par_num++, "MCP ROM");
3354 break;
3355 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
3356 _print_next_block(par_num++, "MCP UMP RX");
3357 break;
3358 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
3359 _print_next_block(par_num++, "MCP UMP TX");
3360 break;
3361 case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
3362 _print_next_block(par_num++, "MCP SCPAD");
3363 break;
3364 }
3365
3366 /* Clear the bit */
3367 sig &= ~cur_bit;
3368 }
3369 }
3370
3371 return par_num;
3372}
3373
3374static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
3375 u32 sig2, u32 sig3)
3376{
3377 if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
3378 (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
3379 int par_num = 0;
3380 DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
3381 "[0]:0x%08x [1]:0x%08x "
3382 "[2]:0x%08x [3]:0x%08x\n",
3383 sig0 & HW_PRTY_ASSERT_SET_0,
3384 sig1 & HW_PRTY_ASSERT_SET_1,
3385 sig2 & HW_PRTY_ASSERT_SET_2,
3386 sig3 & HW_PRTY_ASSERT_SET_3);
3387 printk(KERN_ERR"%s: Parity errors detected in blocks: ",
3388 bp->dev->name);
3389 par_num = bnx2x_print_blocks_with_parity0(
3390 sig0 & HW_PRTY_ASSERT_SET_0, par_num);
3391 par_num = bnx2x_print_blocks_with_parity1(
3392 sig1 & HW_PRTY_ASSERT_SET_1, par_num);
3393 par_num = bnx2x_print_blocks_with_parity2(
3394 sig2 & HW_PRTY_ASSERT_SET_2, par_num);
3395 par_num = bnx2x_print_blocks_with_parity3(
3396 sig3 & HW_PRTY_ASSERT_SET_3, par_num);
3397 printk("\n");
3398 return true;
3399 } else
3400 return false;
3401}
3402
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003403bool bnx2x_chk_parity_attn(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003404{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003405 struct attn_route attn;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003406 int port = BP_PORT(bp);
3407
3408 attn.sig[0] = REG_RD(bp,
3409 MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
3410 port*4);
3411 attn.sig[1] = REG_RD(bp,
3412 MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
3413 port*4);
3414 attn.sig[2] = REG_RD(bp,
3415 MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
3416 port*4);
3417 attn.sig[3] = REG_RD(bp,
3418 MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
3419 port*4);
3420
3421 return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
3422 attn.sig[3]);
3423}
3424
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003425
3426static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
3427{
3428 u32 val;
3429 if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {
3430
3431 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
3432 BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
3433 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
3434 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3435 "ADDRESS_ERROR\n");
3436 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
3437 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3438 "INCORRECT_RCV_BEHAVIOR\n");
3439 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
3440 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3441 "WAS_ERROR_ATTN\n");
3442 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
3443 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3444 "VF_LENGTH_VIOLATION_ATTN\n");
3445 if (val &
3446 PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
3447 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3448 "VF_GRC_SPACE_VIOLATION_ATTN\n");
3449 if (val &
3450 PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
3451 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3452 "VF_MSIX_BAR_VIOLATION_ATTN\n");
3453 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
3454 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3455 "TCPL_ERROR_ATTN\n");
3456 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
3457 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3458 "TCPL_IN_TWO_RCBS_ATTN\n");
3459 if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
3460 BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
3461 "CSSNOOP_FIFO_OVERFLOW\n");
3462 }
3463 if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
3464 val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
3465 BNX2X_ERR("ATC hw attention 0x%x\n", val);
3466 if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
3467 BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
3468 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
3469 BNX2X_ERR("ATC_ATC_INT_STS_REG"
3470 "_ATC_TCPL_TO_NOT_PEND\n");
3471 if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
3472 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3473 "ATC_GPA_MULTIPLE_HITS\n");
3474 if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
3475 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3476 "ATC_RCPL_TO_EMPTY_CNT\n");
3477 if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
3478 BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
3479 if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
3480 BNX2X_ERR("ATC_ATC_INT_STS_REG_"
3481 "ATC_IREQ_LESS_THAN_STU\n");
3482 }
3483
3484 if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3485 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
3486 BNX2X_ERR("FATAL parity attention set4 0x%x\n",
3487 (u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
3488 AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
3489 }
3490
3491}
3492
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003493static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
3494{
3495 struct attn_route attn, *group_mask;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003496 int port = BP_PORT(bp);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003497 int index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003498 u32 reg_addr;
3499 u32 val;
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003500 u32 aeu_mask;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003501
3502 /* need to take HW lock because MCP or other port might also
3503 try to handle this event */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003504 bnx2x_acquire_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003505
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00003506 if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003507 bp->recovery_state = BNX2X_RECOVERY_INIT;
3508 bnx2x_set_reset_in_progress(bp);
3509 schedule_delayed_work(&bp->reset_task, 0);
3510 /* Disable HW interrupts */
3511 bnx2x_int_disable(bp);
3512 bnx2x_release_alr(bp);
3513 /* In case of parity errors don't handle attentions so that
3514 * other function would "see" parity errors.
3515 */
3516 return;
3517 }
3518
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003519 attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
3520 attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
3521 attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
3522 attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003523 if (CHIP_IS_E2(bp))
3524 attn.sig[4] =
3525 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
3526 else
3527 attn.sig[4] = 0;
3528
3529 DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
3530 attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003531
3532 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
3533 if (deasserted & (1 << index)) {
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003534 group_mask = &bp->attn_group[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003535
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003536 DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
3537 "%08x %08x %08x\n",
3538 index,
3539 group_mask->sig[0], group_mask->sig[1],
3540 group_mask->sig[2], group_mask->sig[3],
3541 group_mask->sig[4]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003542
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003543 bnx2x_attn_int_deasserted4(bp,
3544 attn.sig[4] & group_mask->sig[4]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003545 bnx2x_attn_int_deasserted3(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003546 attn.sig[3] & group_mask->sig[3]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003547 bnx2x_attn_int_deasserted1(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003548 attn.sig[1] & group_mask->sig[1]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003549 bnx2x_attn_int_deasserted2(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003550 attn.sig[2] & group_mask->sig[2]);
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003551 bnx2x_attn_int_deasserted0(bp,
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003552 attn.sig[0] & group_mask->sig[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003553 }
3554 }
3555
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07003556 bnx2x_release_alr(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003557
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003558 if (bp->common.int_block == INT_BLOCK_HC)
3559 reg_addr = (HC_REG_COMMAND_REG + port*32 +
3560 COMMAND_REG_ATTN_BITS_CLR);
3561 else
3562 reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003563
3564 val = ~deasserted;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003565 DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
3566 (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
Eilon Greenstein5c862842008-08-13 15:51:48 -07003567 REG_WR(bp, reg_addr, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003568
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003569 if (~bp->attn_state & deasserted)
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003570 BNX2X_ERR("IGU ERROR\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003571
3572 reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
3573 MISC_REG_AEU_MASK_ATTN_FUNC_0;
3574
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003575 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
3576 aeu_mask = REG_RD(bp, reg_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003577
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003578 DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n",
3579 aeu_mask, deasserted);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00003580 aeu_mask |= (deasserted & 0x3ff);
Eilon Greenstein3fcaf2e2008-08-13 15:50:45 -07003581 DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
3582
3583 REG_WR(bp, reg_addr, aeu_mask);
3584 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003585
3586 DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
3587 bp->attn_state &= ~deasserted;
3588 DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
3589}
3590
3591static void bnx2x_attn_int(struct bnx2x *bp)
3592{
3593 /* read local copy of bits */
Eilon Greenstein68d59482009-01-14 21:27:36 -08003594 u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
3595 attn_bits);
3596 u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
3597 attn_bits_ack);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003598 u32 attn_state = bp->attn_state;
3599
3600 /* look for changed bits */
3601 u32 asserted = attn_bits & ~attn_ack & ~attn_state;
3602 u32 deasserted = ~attn_bits & attn_ack & attn_state;
3603
3604 DP(NETIF_MSG_HW,
3605 "attn_bits %x attn_ack %x asserted %x deasserted %x\n",
3606 attn_bits, attn_ack, asserted, deasserted);
3607
3608 if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003609 BNX2X_ERR("BAD attention state\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003610
3611 /* handle bits that were raised */
3612 if (asserted)
3613 bnx2x_attn_int_asserted(bp, asserted);
3614
3615 if (deasserted)
3616 bnx2x_attn_int_deasserted(bp, deasserted);
3617}
3618
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003619static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
3620{
3621 /* No memory barriers */
3622 storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
3623 mmiowb(); /* keep prod updates ordered */
3624}
3625
3626#ifdef BCM_CNIC
3627static int bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
3628 union event_ring_elem *elem)
3629{
3630 if (!bp->cnic_eth_dev.starting_cid ||
Vladislav Zolotarovc3a8ce62011-05-22 10:08:09 +00003631 (cid < bp->cnic_eth_dev.starting_cid &&
3632 cid != bp->cnic_eth_dev.iscsi_l2_cid))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003633 return 1;
3634
3635 DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);
3636
3637 if (unlikely(elem->message.data.cfc_del_event.error)) {
3638 BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
3639 cid);
3640 bnx2x_panic_dump(bp);
3641 }
3642 bnx2x_cnic_cfc_comp(bp, cid);
3643 return 0;
3644}
3645#endif
3646
3647static void bnx2x_eq_int(struct bnx2x *bp)
3648{
3649 u16 hw_cons, sw_cons, sw_prod;
3650 union event_ring_elem *elem;
3651 u32 cid;
3652 u8 opcode;
3653 int spqe_cnt = 0;
3654
3655 hw_cons = le16_to_cpu(*bp->eq_cons_sb);
3656
3657 /* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
3658 * when we get the the next-page we nned to adjust so the loop
3659 * condition below will be met. The next element is the size of a
3660 * regular element and hence incrementing by 1
3661 */
3662 if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
3663 hw_cons++;
3664
Lucas De Marchi25985ed2011-03-30 22:57:33 -03003665 /* This function may never run in parallel with itself for a
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003666 * specific bp, thus there is no need in "paired" read memory
3667 * barrier here.
3668 */
3669 sw_cons = bp->eq_cons;
3670 sw_prod = bp->eq_prod;
3671
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003672 DP(BNX2X_MSG_SP, "EQ: hw_cons %u sw_cons %u bp->cq_spq_left %u\n",
3673 hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003674
3675 for (; sw_cons != hw_cons;
3676 sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {
3677
3678
3679 elem = &bp->eq_ring[EQ_DESC(sw_cons)];
3680
3681 cid = SW_CID(elem->message.data.cfc_del_event.cid);
3682 opcode = elem->message.opcode;
3683
3684
3685 /* handle eq element */
3686 switch (opcode) {
3687 case EVENT_RING_OPCODE_STAT_QUERY:
3688 DP(NETIF_MSG_TIMER, "got statistics comp event\n");
3689 /* nothing to do with stats comp */
3690 continue;
3691
3692 case EVENT_RING_OPCODE_CFC_DEL:
3693 /* handle according to cid range */
3694 /*
3695 * we may want to verify here that the bp state is
3696 * HALTING
3697 */
3698 DP(NETIF_MSG_IFDOWN,
3699 "got delete ramrod for MULTI[%d]\n", cid);
3700#ifdef BCM_CNIC
3701 if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
3702 goto next_spqe;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003703 if (cid == BNX2X_FCOE_ETH_CID)
3704 bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
3705 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003706#endif
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003707 bnx2x_fp(bp, cid, state) =
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003708 BNX2X_FP_STATE_CLOSED;
3709
3710 goto next_spqe;
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00003711
3712 case EVENT_RING_OPCODE_STOP_TRAFFIC:
3713 DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
3714 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
3715 goto next_spqe;
3716 case EVENT_RING_OPCODE_START_TRAFFIC:
3717 DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
3718 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
3719 goto next_spqe;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003720 }
3721
3722 switch (opcode | bp->state) {
3723 case (EVENT_RING_OPCODE_FUNCTION_START |
3724 BNX2X_STATE_OPENING_WAIT4_PORT):
3725 DP(NETIF_MSG_IFUP, "got setup ramrod\n");
3726 bp->state = BNX2X_STATE_FUNC_STARTED;
3727 break;
3728
3729 case (EVENT_RING_OPCODE_FUNCTION_STOP |
3730 BNX2X_STATE_CLOSING_WAIT4_HALT):
3731 DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
3732 bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
3733 break;
3734
3735 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
3736 case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
3737 DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003738 if (elem->message.data.set_mac_event.echo)
3739 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003740 break;
3741
3742 case (EVENT_RING_OPCODE_SET_MAC |
3743 BNX2X_STATE_CLOSING_WAIT4_HALT):
3744 DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003745 if (elem->message.data.set_mac_event.echo)
3746 bp->set_mac_pending = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003747 break;
3748 default:
3749 /* unknown event log error and continue */
3750 BNX2X_ERR("Unknown EQ event %d\n",
3751 elem->message.opcode);
3752 }
3753next_spqe:
3754 spqe_cnt++;
3755 } /* for */
3756
Dmitry Kravkov8fe23fb2010-10-06 03:27:41 +00003757 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08003758 atomic_add(spqe_cnt, &bp->eq_spq_left);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003759
3760 bp->eq_cons = sw_cons;
3761 bp->eq_prod = sw_prod;
3762 /* Make sure that above mem writes were issued towards the memory */
3763 smp_wmb();
3764
3765 /* update producer */
3766 bnx2x_update_eq_prod(bp, bp->eq_prod);
3767}
3768
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003769static void bnx2x_sp_task(struct work_struct *work)
3770{
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003771 struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003772 u16 status;
3773
3774 /* Return here if interrupt is disabled */
3775 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003776 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003777 return;
3778 }
3779
3780 status = bnx2x_update_dsb_idx(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003781/* if (status == 0) */
3782/* BNX2X_ERR("spurious slowpath interrupt!\n"); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003783
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003784 DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003785
Eliezer Tamir877e9aa2008-02-28 11:55:53 -08003786 /* HW attentions */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003787 if (status & BNX2X_DEF_SB_ATT_IDX) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003788 bnx2x_attn_int(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003789 status &= ~BNX2X_DEF_SB_ATT_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003790 }
3791
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003792 /* SP events: STAT_QUERY and others */
3793 if (status & BNX2X_DEF_SB_IDX) {
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003794#ifdef BCM_CNIC
3795 struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003796
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00003797 if ((!NO_FCOE(bp)) &&
3798 (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
3799 napi_schedule(&bnx2x_fcoe(bp, napi));
3800#endif
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003801 /* Handle EQ completions */
3802 bnx2x_eq_int(bp);
3803
3804 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
3805 le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);
3806
3807 status &= ~BNX2X_DEF_SB_IDX;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00003808 }
3809
3810 if (unlikely(status))
3811 DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
3812 status);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003813
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003814 bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
3815 le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003816}
3817
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00003818irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003819{
3820 struct net_device *dev = dev_instance;
3821 struct bnx2x *bp = netdev_priv(dev);
3822
3823 /* Return here if interrupt is disabled */
3824 if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
Eilon Greenstein3196a882008-08-13 15:58:49 -07003825 DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003826 return IRQ_HANDLED;
3827 }
3828
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003829 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
3830 IGU_INT_DISABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003831
3832#ifdef BNX2X_STOP_ON_ERROR
3833 if (unlikely(bp->panic))
3834 return IRQ_HANDLED;
3835#endif
3836
Michael Chan993ac7b2009-10-10 13:46:56 +00003837#ifdef BCM_CNIC
3838 {
3839 struct cnic_ops *c_ops;
3840
3841 rcu_read_lock();
3842 c_ops = rcu_dereference(bp->cnic_ops);
3843 if (c_ops)
3844 c_ops->cnic_handler(bp->cnic_data, NULL);
3845 rcu_read_unlock();
3846 }
3847#endif
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08003848 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003849
3850 return IRQ_HANDLED;
3851}
3852
3853/* end of slow path */
3854
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003855static void bnx2x_timer(unsigned long data)
3856{
3857 struct bnx2x *bp = (struct bnx2x *) data;
3858
3859 if (!netif_running(bp->dev))
3860 return;
3861
3862 if (atomic_read(&bp->intr_sem) != 0)
Eliezer Tamirf1410642008-02-28 11:51:50 -08003863 goto timer_restart;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003864
3865 if (poll) {
3866 struct bnx2x_fastpath *fp = &bp->fp[0];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003867
Eilon Greenstein7961f792009-03-02 07:59:31 +00003868 bnx2x_tx_int(fp);
David S. Millerb8ee8322011-04-17 16:56:12 -07003869 bnx2x_rx_int(fp, 1000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003870 }
3871
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003872 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003873 int mb_idx = BP_FW_MB_IDX(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003874 u32 drv_pulse;
3875 u32 mcp_pulse;
3876
3877 ++bp->fw_drv_pulse_wr_seq;
3878 bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
3879 /* TBD - add SYSTEM_TIME */
3880 drv_pulse = bp->fw_drv_pulse_wr_seq;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003881 SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003882
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003883 mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003884 MCP_PULSE_SEQ_MASK);
3885 /* The delta between driver pulse and mcp response
3886 * should be 1 (before mcp response) or 0 (after mcp response)
3887 */
3888 if ((drv_pulse != mcp_pulse) &&
3889 (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
3890 /* someone lost a heartbeat... */
3891 BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
3892 drv_pulse, mcp_pulse);
3893 }
3894 }
3895
Eilon Greensteinf34d28e2009-10-15 00:18:08 -07003896 if (bp->state == BNX2X_STATE_OPEN)
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07003897 bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003898
Eliezer Tamirf1410642008-02-28 11:51:50 -08003899timer_restart:
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003900 mod_timer(&bp->timer, jiffies + bp->current_interval);
3901}
3902
3903/* end of Statistics */
3904
3905/* nic init */
3906
3907/*
3908 * nic init service functions
3909 */
3910
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003911static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003912{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003913 u32 i;
3914 if (!(len%4) && !(addr%4))
3915 for (i = 0; i < len; i += 4)
3916 REG_WR(bp, addr + i, fill);
3917 else
3918 for (i = 0; i < len; i++)
3919 REG_WR8(bp, addr + i, fill);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003920
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003921}
3922
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003923/* helper: writes FP SP data to FW - data_size in dwords */
3924static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
3925 int fw_sb_id,
3926 u32 *sb_data_p,
3927 u32 data_size)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003928{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003929 int index;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003930 for (index = 0; index < data_size; index++)
3931 REG_WR(bp, BAR_CSTRORM_INTMEM +
3932 CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
3933 sizeof(u32)*index,
3934 *(sb_data_p + index));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003935}
3936
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003937static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
3938{
3939 u32 *sb_data_p;
3940 u32 data_size = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003941 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003942 struct hc_status_block_data_e1x sb_data_e1x;
3943
3944 /* disable the function first */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00003945 if (CHIP_IS_E2(bp)) {
3946 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
3947 sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3948 sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3949 sb_data_e2.common.p_func.vf_valid = false;
3950 sb_data_p = (u32 *)&sb_data_e2;
3951 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
3952 } else {
3953 memset(&sb_data_e1x, 0,
3954 sizeof(struct hc_status_block_data_e1x));
3955 sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
3956 sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
3957 sb_data_e1x.common.p_func.vf_valid = false;
3958 sb_data_p = (u32 *)&sb_data_e1x;
3959 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
3960 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003961 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
3962
3963 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3964 CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
3965 CSTORM_STATUS_BLOCK_SIZE);
3966 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3967 CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
3968 CSTORM_SYNC_BLOCK_SIZE);
3969}
3970
3971/* helper: writes SP SB data to FW */
3972static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
3973 struct hc_sp_status_block_data *sp_sb_data)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07003974{
3975 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003976 int i;
3977 for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
3978 REG_WR(bp, BAR_CSTRORM_INTMEM +
3979 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
3980 i*sizeof(u32),
3981 *((u32 *)sp_sb_data + i));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02003982}
3983
Dmitry Kravkov523224a2010-10-06 03:23:26 +00003984static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
3985{
3986 int func = BP_FUNC(bp);
3987 struct hc_sp_status_block_data sp_sb_data;
3988 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
3989
3990 sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
3991 sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
3992 sp_sb_data.p_func.vf_valid = false;
3993
3994 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
3995
3996 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
3997 CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
3998 CSTORM_SP_STATUS_BLOCK_SIZE);
3999 bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
4000 CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
4001 CSTORM_SP_SYNC_BLOCK_SIZE);
4002
4003}
4004
4005
4006static inline
4007void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
4008 int igu_sb_id, int igu_seg_id)
4009{
4010 hc_sm->igu_sb_id = igu_sb_id;
4011 hc_sm->igu_seg_id = igu_seg_id;
4012 hc_sm->timer_value = 0xFF;
4013 hc_sm->time_to_expire = 0xFFFFFFFF;
4014}
4015
stephen hemminger8d962862010-10-21 07:50:56 +00004016static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004017 u8 vf_valid, int fw_sb_id, int igu_sb_id)
4018{
4019 int igu_seg_id;
4020
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004021 struct hc_status_block_data_e2 sb_data_e2;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004022 struct hc_status_block_data_e1x sb_data_e1x;
4023 struct hc_status_block_sm *hc_sm_p;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004024 int data_size;
4025 u32 *sb_data_p;
4026
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004027 if (CHIP_INT_MODE_IS_BC(bp))
4028 igu_seg_id = HC_SEG_ACCESS_NORM;
4029 else
4030 igu_seg_id = IGU_SEG_ACCESS_NORM;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004031
4032 bnx2x_zero_fp_sb(bp, fw_sb_id);
4033
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004034 if (CHIP_IS_E2(bp)) {
4035 memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
4036 sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
4037 sb_data_e2.common.p_func.vf_id = vfid;
4038 sb_data_e2.common.p_func.vf_valid = vf_valid;
4039 sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
4040 sb_data_e2.common.same_igu_sb_1b = true;
4041 sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
4042 sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
4043 hc_sm_p = sb_data_e2.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004044 sb_data_p = (u32 *)&sb_data_e2;
4045 data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
4046 } else {
4047 memset(&sb_data_e1x, 0,
4048 sizeof(struct hc_status_block_data_e1x));
4049 sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
4050 sb_data_e1x.common.p_func.vf_id = 0xff;
4051 sb_data_e1x.common.p_func.vf_valid = false;
4052 sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
4053 sb_data_e1x.common.same_igu_sb_1b = true;
4054 sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
4055 sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
4056 hc_sm_p = sb_data_e1x.common.state_machine;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004057 sb_data_p = (u32 *)&sb_data_e1x;
4058 data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
4059 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004060
4061 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
4062 igu_sb_id, igu_seg_id);
4063 bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
4064 igu_sb_id, igu_seg_id);
4065
4066 DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);
4067
4068 /* write indecies to HW */
4069 bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
4070}
4071
4072static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
4073 u8 sb_index, u8 disable, u16 usec)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004074{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004075 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004076 u8 ticks = usec / BNX2X_BTR;
4077
4078 storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);
4079
4080 disable = disable ? 1 : (usec ? 0 : 1);
4081 storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
4082}
4083
4084static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
4085 u16 tx_usec, u16 rx_usec)
4086{
4087 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
4088 false, rx_usec);
4089 bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
4090 false, tx_usec);
4091}
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004092
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004093static void bnx2x_init_def_sb(struct bnx2x *bp)
4094{
4095 struct host_sp_status_block *def_sb = bp->def_status_blk;
4096 dma_addr_t mapping = bp->def_status_blk_mapping;
4097 int igu_sp_sb_index;
4098 int igu_seg_id;
4099 int port = BP_PORT(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004100 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004101 int reg_offset;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004102 u64 section;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004103 int index;
4104 struct hc_sp_status_block_data sp_sb_data;
4105 memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
4106
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004107 if (CHIP_INT_MODE_IS_BC(bp)) {
4108 igu_sp_sb_index = DEF_SB_IGU_ID;
4109 igu_seg_id = HC_SEG_ACCESS_DEF;
4110 } else {
4111 igu_sp_sb_index = bp->igu_dsb_id;
4112 igu_seg_id = IGU_SEG_ACCESS_DEF;
4113 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004114
4115 /* ATTN */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004116 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004117 atten_status_block);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004118 def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004119
Eliezer Tamir49d66772008-02-28 11:53:13 -08004120 bp->attn_state = 0;
4121
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004122 reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
4123 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004124 for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004125 int sindex;
4126 /* take care of sig[0]..sig[4] */
4127 for (sindex = 0; sindex < 4; sindex++)
4128 bp->attn_group[index].sig[sindex] =
4129 REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004130
4131 if (CHIP_IS_E2(bp))
4132 /*
4133 * enable5 is separate from the rest of the registers,
4134 * and therefore the address skip is 4
4135 * and not 16 between the different groups
4136 */
4137 bp->attn_group[index].sig[4] = REG_RD(bp,
4138 reg_offset + 0x10 + 0x4*index);
4139 else
4140 bp->attn_group[index].sig[4] = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004141 }
4142
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004143 if (bp->common.int_block == INT_BLOCK_HC) {
4144 reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
4145 HC_REG_ATTN_MSG0_ADDR_L);
4146
4147 REG_WR(bp, reg_offset, U64_LO(section));
4148 REG_WR(bp, reg_offset + 4, U64_HI(section));
4149 } else if (CHIP_IS_E2(bp)) {
4150 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
4151 REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
4152 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004153
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004154 section = ((u64)mapping) + offsetof(struct host_sp_status_block,
4155 sp_sb);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004156
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004157 bnx2x_zero_sp_sb(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004158
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004159 sp_sb_data.host_sb_addr.lo = U64_LO(section);
4160 sp_sb_data.host_sb_addr.hi = U64_HI(section);
4161 sp_sb_data.igu_sb_id = igu_sp_sb_index;
4162 sp_sb_data.igu_seg_id = igu_seg_id;
4163 sp_sb_data.p_func.pf_id = func;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004164 sp_sb_data.p_func.vnic_id = BP_VN(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004165 sp_sb_data.p_func.vf_id = 0xff;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004166
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004167 bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004168
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004169 bp->stats_pending = 0;
Yitchak Gertner66e855f2008-08-13 15:49:05 -07004170 bp->set_mac_pending = 0;
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07004171
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004172 bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004173}
4174
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004175void bnx2x_update_coalesce(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004176{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004177 int i;
4178
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004179 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004180 bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
Ariel Elior423cfa7e2011-03-14 13:43:22 -07004181 bp->tx_ticks, bp->rx_ticks);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004182}
4183
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004184static void bnx2x_init_sp_ring(struct bnx2x *bp)
4185{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004186 spin_lock_init(&bp->spq_lock);
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004187 atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004188
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004189 bp->spq_prod_idx = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004190 bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
4191 bp->spq_prod_bd = bp->spq;
4192 bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004193}
4194
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004195static void bnx2x_init_eq_ring(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004196{
4197 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004198 for (i = 1; i <= NUM_EQ_PAGES; i++) {
4199 union event_ring_elem *elem =
4200 &bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004201
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004202 elem->next_page.addr.hi =
4203 cpu_to_le32(U64_HI(bp->eq_mapping +
4204 BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
4205 elem->next_page.addr.lo =
4206 cpu_to_le32(U64_LO(bp->eq_mapping +
4207 BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004208 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004209 bp->eq_cons = 0;
4210 bp->eq_prod = NUM_EQ_DESC;
4211 bp->eq_cons_sb = BNX2X_EQ_INDEX;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08004212 /* we want a warning message before it gets rought... */
4213 atomic_set(&bp->eq_spq_left,
4214 min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004215}
4216
Tom Herbertab532cf2011-02-16 10:27:02 +00004217void bnx2x_push_indir_table(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004218{
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004219 int func = BP_FUNC(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004220 int i;
4221
Eilon Greenstein555f6c72009-02-12 08:36:11 +00004222 if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004223 return;
4224
4225 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004226 REG_WR8(bp, BAR_TSTRORM_INTMEM +
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08004227 TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
Tom Herbertab532cf2011-02-16 10:27:02 +00004228 bp->fp->cl_id + bp->rx_indir_table[i]);
4229}
4230
4231static void bnx2x_init_ind_table(struct bnx2x *bp)
4232{
4233 int i;
4234
4235 for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4236 bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);
4237
4238 bnx2x_push_indir_table(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004239}
4240
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004241void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004242{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004243 int mode = bp->rx_mode;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004244 int port = BP_PORT(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004245 u16 cl_id;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004246 u32 def_q_filters = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004247
Eilon Greenstein581ce432009-07-29 00:20:04 +00004248 /* All but management unicast packets should pass to the host as well */
4249 u32 llh_mask =
4250 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
4251 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
4252 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
4253 NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004254
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004255 switch (mode) {
4256 case BNX2X_RX_MODE_NONE: /* no Rx */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004257 def_q_filters = BNX2X_ACCEPT_NONE;
4258#ifdef BCM_CNIC
4259 if (!NO_FCOE(bp)) {
4260 cl_id = bnx2x_fcoe(bp, cl_id);
4261 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4262 }
4263#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004264 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004265
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004266 case BNX2X_RX_MODE_NORMAL:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004267 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4268 BNX2X_ACCEPT_MULTICAST;
4269#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004270 if (!NO_FCOE(bp)) {
4271 cl_id = bnx2x_fcoe(bp, cl_id);
4272 bnx2x_rxq_set_mac_filters(bp, cl_id,
4273 BNX2X_ACCEPT_UNICAST |
4274 BNX2X_ACCEPT_MULTICAST);
4275 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004276#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004277 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004278
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004279 case BNX2X_RX_MODE_ALLMULTI:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004280 def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
4281 BNX2X_ACCEPT_ALL_MULTICAST;
4282#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004283 /*
4284 * Prevent duplication of multicast packets by configuring FCoE
4285 * L2 Client to receive only matched unicast frames.
4286 */
4287 if (!NO_FCOE(bp)) {
4288 cl_id = bnx2x_fcoe(bp, cl_id);
4289 bnx2x_rxq_set_mac_filters(bp, cl_id,
4290 BNX2X_ACCEPT_UNICAST);
4291 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004292#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004293 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004294
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004295 case BNX2X_RX_MODE_PROMISC:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004296 def_q_filters |= BNX2X_PROMISCUOUS_MODE;
4297#ifdef BCM_CNIC
Vladislav Zolotarov711c9142011-02-06 11:21:49 -08004298 /*
4299 * Prevent packets duplication by configuring DROP_ALL for FCoE
4300 * L2 Client.
4301 */
4302 if (!NO_FCOE(bp)) {
4303 cl_id = bnx2x_fcoe(bp, cl_id);
4304 bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
4305 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004306#endif
Eilon Greenstein581ce432009-07-29 00:20:04 +00004307 /* pass management unicast packets as well */
4308 llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004309 break;
Eilon Greenstein356e2382009-02-12 08:38:32 +00004310
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004311 default:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004312 BNX2X_ERR("BAD rx mode (%d)\n", mode);
4313 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004314 }
4315
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004316 cl_id = BP_L_ID(bp);
4317 bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);
4318
Eilon Greenstein581ce432009-07-29 00:20:04 +00004319 REG_WR(bp,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004320 (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
4321 NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
Eilon Greenstein581ce432009-07-29 00:20:04 +00004322
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004323 DP(NETIF_MSG_IFUP, "rx mode %d\n"
4324 "drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004325 "accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
4326 "unmatched_ucast 0x%x\n", mode,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004327 bp->mac_filters.ucast_drop_all,
4328 bp->mac_filters.mcast_drop_all,
4329 bp->mac_filters.bcast_drop_all,
4330 bp->mac_filters.ucast_accept_all,
4331 bp->mac_filters.mcast_accept_all,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004332 bp->mac_filters.bcast_accept_all,
4333 bp->mac_filters.unmatched_unicast
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004334 );
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004335
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004336 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004337}
4338
Eilon Greenstein471de712008-08-13 15:49:35 -07004339static void bnx2x_init_internal_common(struct bnx2x *bp)
4340{
4341 int i;
4342
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004343 if (!CHIP_IS_E1(bp)) {
4344
4345 /* xstorm needs to know whether to add ovlan to packets or not,
4346 * in switch-independent we'll write 0 to here... */
4347 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004348 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004349 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004350 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004351 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004352 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004353 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004354 bp->mf_mode);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004355 }
4356
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08004357 if (IS_MF_SI(bp))
4358 /*
4359 * In switch independent mode, the TSTORM needs to accept
4360 * packets that failed classification, since approximate match
4361 * mac addresses aren't written to NIG LLH
4362 */
4363 REG_WR8(bp, BAR_TSTRORM_INTMEM +
4364 TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);
4365
Eilon Greenstein471de712008-08-13 15:49:35 -07004366 /* Zero this manually as its initialization is
4367 currently missing in the initTool */
4368 for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
4369 REG_WR(bp, BAR_USTRORM_INTMEM +
4370 USTORM_AGG_DATA_OFFSET + i * 4, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004371 if (CHIP_IS_E2(bp)) {
4372 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
4373 CHIP_INT_MODE_IS_BC(bp) ?
4374 HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
4375 }
Eilon Greenstein471de712008-08-13 15:49:35 -07004376}
4377
4378static void bnx2x_init_internal_port(struct bnx2x *bp)
4379{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004380 /* port */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00004381 bnx2x_dcb_init_intmem_pfc(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004382}
4383
Eilon Greenstein471de712008-08-13 15:49:35 -07004384static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
4385{
4386 switch (load_code) {
4387 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004388 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Eilon Greenstein471de712008-08-13 15:49:35 -07004389 bnx2x_init_internal_common(bp);
4390 /* no break */
4391
4392 case FW_MSG_CODE_DRV_LOAD_PORT:
4393 bnx2x_init_internal_port(bp);
4394 /* no break */
4395
4396 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004397 /* internal memory per function is
4398 initialized inside bnx2x_pf_init */
Eilon Greenstein471de712008-08-13 15:49:35 -07004399 break;
4400
4401 default:
4402 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
4403 break;
4404 }
4405}
4406
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004407static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
4408{
4409 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
4410
4411 fp->state = BNX2X_FP_STATE_CLOSED;
4412
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004413 fp->cid = fp_idx;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004414 fp->cl_id = BP_L_ID(bp) + fp_idx;
4415 fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
4416 fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
4417 /* qZone id equals to FW (per path) client id */
4418 fp->cl_qzone_id = fp->cl_id +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004419 BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
4420 ETH_MAX_RX_CLIENTS_E1H);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004421 /* init shortcut */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004422 fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
4423 USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004424 USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
4425 /* Setup SB indicies */
4426 fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
4427 fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
4428
4429 DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) "
4430 "cl_id %d fw_sb %d igu_sb %d\n",
4431 fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
4432 fp->igu_sb_id);
4433 bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
4434 fp->fw_sb_id, fp->igu_sb_id);
4435
4436 bnx2x_update_fpsb_idx(fp);
4437}
4438
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00004439void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004440{
4441 int i;
4442
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004443 for_each_eth_queue(bp, i)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004444 bnx2x_init_fp_sb(bp, i);
Michael Chan37b091b2009-10-10 13:46:55 +00004445#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00004446 if (!NO_FCOE(bp))
4447 bnx2x_init_fcoe_fp(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004448
4449 bnx2x_init_sb(bp, bp->cnic_sb_mapping,
4450 BNX2X_VF_ID_INVALID, false,
4451 CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
4452
Michael Chan37b091b2009-10-10 13:46:55 +00004453#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004454
Eilon Greenstein16119782009-03-02 07:59:27 +00004455 /* ensure status block indices were read */
4456 rmb();
4457
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004458 bnx2x_init_def_sb(bp);
Eilon Greenstein5c862842008-08-13 15:51:48 -07004459 bnx2x_update_dsb_idx(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004460 bnx2x_init_rx_rings(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004461 bnx2x_init_tx_rings(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004462 bnx2x_init_sp_ring(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004463 bnx2x_init_eq_ring(bp);
Eilon Greenstein471de712008-08-13 15:49:35 -07004464 bnx2x_init_internal(bp, load_code);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004465 bnx2x_pf_init(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004466 bnx2x_init_ind_table(bp);
Eilon Greenstein0ef00452009-01-14 21:31:08 -08004467 bnx2x_stats_init(bp);
4468
4469 /* At this point, we are ready for interrupts */
4470 atomic_set(&bp->intr_sem, 0);
4471
4472 /* flush all before enabling interrupts */
4473 mb();
4474 mmiowb();
4475
Eliezer Tamir615f8fd2008-02-28 11:54:54 -08004476 bnx2x_int_enable(bp);
Eilon Greensteineb8da202009-07-21 05:47:30 +00004477
4478 /* Check for SPIO5 */
4479 bnx2x_attn_int_deasserted0(bp,
4480 REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
4481 AEU_INPUTS_ATTN_BITS_SPIO5);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004482}
4483
4484/* end of nic init */
4485
4486/*
4487 * gzip service functions
4488 */
4489
4490static int bnx2x_gunzip_init(struct bnx2x *bp)
4491{
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004492 bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
4493 &bp->gunzip_mapping, GFP_KERNEL);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004494 if (bp->gunzip_buf == NULL)
4495 goto gunzip_nomem1;
4496
4497 bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
4498 if (bp->strm == NULL)
4499 goto gunzip_nomem2;
4500
4501 bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
4502 GFP_KERNEL);
4503 if (bp->strm->workspace == NULL)
4504 goto gunzip_nomem3;
4505
4506 return 0;
4507
4508gunzip_nomem3:
4509 kfree(bp->strm);
4510 bp->strm = NULL;
4511
4512gunzip_nomem2:
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004513 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4514 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004515 bp->gunzip_buf = NULL;
4516
4517gunzip_nomem1:
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004518 netdev_err(bp->dev, "Cannot allocate firmware buffer for"
4519 " un-compression\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004520 return -ENOMEM;
4521}
4522
4523static void bnx2x_gunzip_end(struct bnx2x *bp)
4524{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00004525 if (bp->strm) {
4526 kfree(bp->strm->workspace);
4527 kfree(bp->strm);
4528 bp->strm = NULL;
4529 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004530
4531 if (bp->gunzip_buf) {
FUJITA Tomonori1a983142010-04-04 01:51:03 +00004532 dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
4533 bp->gunzip_mapping);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004534 bp->gunzip_buf = NULL;
4535 }
4536}
4537
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004538static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004539{
4540 int n, rc;
4541
4542 /* check gzip header */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004543 if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
4544 BNX2X_ERR("Bad gzip header\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004545 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004546 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004547
4548 n = 10;
4549
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004550#define FNAME 0x8
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004551
4552 if (zbuf[3] & FNAME)
4553 while ((zbuf[n++] != 0) && (n < len));
4554
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004555 bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004556 bp->strm->avail_in = len - n;
4557 bp->strm->next_out = bp->gunzip_buf;
4558 bp->strm->avail_out = FW_BUF_SIZE;
4559
4560 rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
4561 if (rc != Z_OK)
4562 return rc;
4563
4564 rc = zlib_inflate(bp->strm, Z_FINISH);
4565 if ((rc != Z_OK) && (rc != Z_STREAM_END))
Joe Perches7995c642010-02-17 15:01:52 +00004566 netdev_err(bp->dev, "Firmware decompression error: %s\n",
4567 bp->strm->msg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004568
4569 bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
4570 if (bp->gunzip_outlen & 0x3)
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004571 netdev_err(bp->dev, "Firmware decompression error:"
4572 " gunzip_outlen (%d) not aligned\n",
4573 bp->gunzip_outlen);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004574 bp->gunzip_outlen >>= 2;
4575
4576 zlib_inflateEnd(bp->strm);
4577
4578 if (rc == Z_STREAM_END)
4579 return 0;
4580
4581 return rc;
4582}
4583
4584/* nic load/unload */
4585
4586/*
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004587 * General service functions
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004588 */
4589
4590/* send a NIG loopback debug packet */
4591static void bnx2x_lb_pckt(struct bnx2x *bp)
4592{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004593 u32 wb_write[3];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004594
4595 /* Ethernet source and destination addresses */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004596 wb_write[0] = 0x55555555;
4597 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004598 wb_write[2] = 0x20; /* SOP */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004599 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004600
4601 /* NON-IP protocol */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004602 wb_write[0] = 0x09000000;
4603 wb_write[1] = 0x55555555;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004604 wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004605 REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004606}
4607
4608/* some of the internal memories
4609 * are not directly readable from the driver
4610 * to test them we send debug packets
4611 */
4612static int bnx2x_int_mem_test(struct bnx2x *bp)
4613{
4614 int factor;
4615 int count, i;
4616 u32 val = 0;
4617
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004618 if (CHIP_REV_IS_FPGA(bp))
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004619 factor = 120;
Eilon Greensteinad8d3942008-06-23 20:29:02 -07004620 else if (CHIP_REV_IS_EMUL(bp))
4621 factor = 200;
4622 else
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004623 factor = 1;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004624
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004625 /* Disable inputs of parser neighbor blocks */
4626 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4627 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4628 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004629 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004630
4631 /* Write 0 to parser credits for CFC search request */
4632 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4633
4634 /* send Ethernet packet */
4635 bnx2x_lb_pckt(bp);
4636
4637 /* TODO do i reset NIG statistic? */
4638 /* Wait until NIG register shows 1 packet of size 0x10 */
4639 count = 1000 * factor;
4640 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004641
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004642 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4643 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004644 if (val == 0x10)
4645 break;
4646
4647 msleep(10);
4648 count--;
4649 }
4650 if (val != 0x10) {
4651 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4652 return -1;
4653 }
4654
4655 /* Wait until PRS register shows 1 packet */
4656 count = 1000 * factor;
4657 while (count) {
4658 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004659 if (val == 1)
4660 break;
4661
4662 msleep(10);
4663 count--;
4664 }
4665 if (val != 0x1) {
4666 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4667 return -2;
4668 }
4669
4670 /* Reset and init BRB, PRS */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004671 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004672 msleep(50);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004673 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004674 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004675 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4676 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004677
4678 DP(NETIF_MSG_HW, "part2\n");
4679
4680 /* Disable inputs of parser neighbor blocks */
4681 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
4682 REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
4683 REG_WR(bp, CFC_REG_DEBUG0, 0x1);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004684 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004685
4686 /* Write 0 to parser credits for CFC search request */
4687 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);
4688
4689 /* send 10 Ethernet packets */
4690 for (i = 0; i < 10; i++)
4691 bnx2x_lb_pckt(bp);
4692
4693 /* Wait until NIG register shows 10 + 1
4694 packets of size 11*0x10 = 0xb0 */
4695 count = 1000 * factor;
4696 while (count) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004697
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004698 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
4699 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004700 if (val == 0xb0)
4701 break;
4702
4703 msleep(10);
4704 count--;
4705 }
4706 if (val != 0xb0) {
4707 BNX2X_ERR("NIG timeout val = 0x%x\n", val);
4708 return -3;
4709 }
4710
4711 /* Wait until PRS register shows 2 packets */
4712 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4713 if (val != 2)
4714 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4715
4716 /* Write 1 to parser credits for CFC search request */
4717 REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);
4718
4719 /* Wait until PRS register shows 3 packets */
4720 msleep(10 * factor);
4721 /* Wait until NIG register shows 1 packet of size 0x10 */
4722 val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
4723 if (val != 3)
4724 BNX2X_ERR("PRS timeout val = 0x%x\n", val);
4725
4726 /* clear NIG EOP FIFO */
4727 for (i = 0; i < 11; i++)
4728 REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
4729 val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
4730 if (val != 1) {
4731 BNX2X_ERR("clear of NIG failed\n");
4732 return -4;
4733 }
4734
4735 /* Reset and init BRB, PRS, NIG */
4736 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
4737 msleep(50);
4738 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
4739 msleep(50);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004740 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
4741 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00004742#ifndef BCM_CNIC
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004743 /* set NIC mode */
4744 REG_WR(bp, PRS_REG_NIC_MODE, 1);
4745#endif
4746
4747 /* Enable inputs of parser neighbor blocks */
4748 REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
4749 REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
4750 REG_WR(bp, CFC_REG_DEBUG0, 0x0);
Eilon Greenstein3196a882008-08-13 15:58:49 -07004751 REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004752
4753 DP(NETIF_MSG_HW, "done\n");
4754
4755 return 0; /* OK */
4756}
4757
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004758static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004759{
4760 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004761 if (CHIP_IS_E2(bp))
4762 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
4763 else
4764 REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004765 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
4766 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004767 /*
4768 * mask read length error interrupts in brb for parser
4769 * (parsing unit and 'checksum and crc' unit)
4770 * these errors are legal (PU reads fixed length and CAC can cause
4771 * read length error on truncated packets)
4772 */
4773 REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004774 REG_WR(bp, QM_REG_QM_INT_MASK, 0);
4775 REG_WR(bp, TM_REG_TM_INT_MASK, 0);
4776 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
4777 REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
4778 REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004779/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
4780/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004781 REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
4782 REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
4783 REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004784/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
4785/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004786 REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
4787 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
4788 REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
4789 REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004790/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
4791/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00004792
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004793 if (CHIP_REV_IS_FPGA(bp))
4794 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004795 else if (CHIP_IS_E2(bp))
4796 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
4797 (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
4798 | PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
4799 | PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
4800 | PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
4801 | PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004802 else
4803 REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004804 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
4805 REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
4806 REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004807/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
4808/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004809 REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
4810 REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004811/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00004812 REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18); /* bit 3,4 masked */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004813}
4814
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004815static void bnx2x_reset_common(struct bnx2x *bp)
4816{
4817 /* reset_common */
4818 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
4819 0xd3ffff7f);
4820 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
4821}
4822
Eilon Greenstein573f2032009-08-12 08:24:14 +00004823static void bnx2x_init_pxp(struct bnx2x *bp)
4824{
4825 u16 devctl;
4826 int r_order, w_order;
4827
4828 pci_read_config_word(bp->pdev,
4829 bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
4830 DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
4831 w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
4832 if (bp->mrrs == -1)
4833 r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
4834 else {
4835 DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
4836 r_order = bp->mrrs;
4837 }
4838
4839 bnx2x_init_pxp_arb(bp, r_order, w_order);
4840}
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004841
4842static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
4843{
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004844 int is_required;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004845 u32 val;
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004846 int port;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004847
Vladislav Zolotarov2145a922010-04-19 01:13:49 +00004848 if (BP_NOMCP(bp))
4849 return;
4850
4851 is_required = 0;
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004852 val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
4853 SHARED_HW_CFG_FAN_FAILURE_MASK;
4854
4855 if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
4856 is_required = 1;
4857
4858 /*
4859 * The fan failure mechanism is usually related to the PHY type since
4860 * the power consumption of the board is affected by the PHY. Currently,
4861 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
4862 */
4863 else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
4864 for (port = PORT_0; port < PORT_MAX; port++) {
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004865 is_required |=
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004866 bnx2x_fan_failure_det_req(
4867 bp,
4868 bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00004869 bp->common.shmem2_base,
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00004870 port);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004871 }
4872
4873 DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);
4874
4875 if (is_required == 0)
4876 return;
4877
4878 /* Fan failure is indicated by SPIO 5 */
4879 bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
4880 MISC_REGISTERS_SPIO_INPUT_HI_Z);
4881
4882 /* set to active low mode */
4883 val = REG_RD(bp, MISC_REG_SPIO_INT);
4884 val |= ((1 << MISC_REGISTERS_SPIO_5) <<
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00004885 MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00004886 REG_WR(bp, MISC_REG_SPIO_INT, val);
4887
4888 /* enable interrupt to signal the IGU */
4889 val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
4890 val |= (1 << MISC_REGISTERS_SPIO_5);
4891 REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
4892}
4893
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004894static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
4895{
4896 u32 offset = 0;
4897
4898 if (CHIP_IS_E1(bp))
4899 return;
4900 if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
4901 return;
4902
4903 switch (BP_ABS_FUNC(bp)) {
4904 case 0:
4905 offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
4906 break;
4907 case 1:
4908 offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
4909 break;
4910 case 2:
4911 offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
4912 break;
4913 case 3:
4914 offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
4915 break;
4916 case 4:
4917 offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
4918 break;
4919 case 5:
4920 offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
4921 break;
4922 case 6:
4923 offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
4924 break;
4925 case 7:
4926 offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
4927 break;
4928 default:
4929 return;
4930 }
4931
4932 REG_WR(bp, offset, pretend_func_num);
4933 REG_RD(bp, offset);
4934 DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
4935}
4936
4937static void bnx2x_pf_disable(struct bnx2x *bp)
4938{
4939 u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
4940 val &= ~IGU_PF_CONF_FUNC_EN;
4941
4942 REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
4943 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
4944 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
4945}
4946
Dmitry Kravkov523224a2010-10-06 03:23:26 +00004947static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004948{
4949 u32 val, i;
4950
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004951 DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_ABS_FUNC(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004952
Eilon Greenstein81f75bb2009-01-22 03:37:31 +00004953 bnx2x_reset_common(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004954 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
4955 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
4956
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004957 bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004958 if (!CHIP_IS_E1(bp))
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00004959 REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004960
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00004961 if (CHIP_IS_E2(bp)) {
4962 u8 fid;
4963
4964 /**
4965 * 4-port mode or 2-port mode we need to turn of master-enable
4966 * for everyone, after that, turn it back on for self.
4967 * so, we disregard multi-function or not, and always disable
4968 * for all functions on the given path, this means 0,2,4,6 for
4969 * path 0 and 1,3,5,7 for path 1
4970 */
4971 for (fid = BP_PATH(bp); fid < E2_FUNC_MAX*2; fid += 2) {
4972 if (fid == BP_ABS_FUNC(bp)) {
4973 REG_WR(bp,
4974 PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
4975 1);
4976 continue;
4977 }
4978
4979 bnx2x_pretend_func(bp, fid);
4980 /* clear pf enable */
4981 bnx2x_pf_disable(bp);
4982 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
4983 }
4984 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004985
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004986 bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004987 if (CHIP_IS_E1(bp)) {
4988 /* enable HW interrupt from PXP on USDM overflow
4989 bit 16 on INT_MASK_0 */
4990 REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004991 }
4992
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07004993 bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004994 bnx2x_init_pxp(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02004995
4996#ifdef __BIG_ENDIAN
Eilon Greenstein34f80b02008-06-23 20:33:01 -07004997 REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
4998 REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
4999 REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
5000 REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
5001 REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
Eilon Greenstein8badd272009-02-12 08:36:15 +00005002 /* make sure this value is 0 */
5003 REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005004
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005005/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
5006 REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
5007 REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
5008 REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
5009 REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005010#endif
5011
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005012 bnx2x_ilt_init_page_size(bp, INITOP_SET);
5013
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005014 if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
5015 REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005016
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005017 /* let the HW do it's magic ... */
5018 msleep(100);
5019 /* finish PXP init */
5020 val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
5021 if (val != 1) {
5022 BNX2X_ERR("PXP2 CFG failed\n");
5023 return -EBUSY;
5024 }
5025 val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
5026 if (val != 1) {
5027 BNX2X_ERR("PXP2 RD_INIT failed\n");
5028 return -EBUSY;
5029 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005030
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005031 /* Timers bug workaround E2 only. We need to set the entire ILT to
5032 * have entries with value "0" and valid bit on.
5033 * This needs to be done by the first PF that is loaded in a path
5034 * (i.e. common phase)
5035 */
5036 if (CHIP_IS_E2(bp)) {
5037 struct ilt_client_info ilt_cli;
5038 struct bnx2x_ilt ilt;
5039 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
5040 memset(&ilt, 0, sizeof(struct bnx2x_ilt));
5041
Uwe Kleine-Königb5950762010-11-01 15:38:34 -04005042 /* initialize dummy TM client */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005043 ilt_cli.start = 0;
5044 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
5045 ilt_cli.client_num = ILT_CLIENT_TM;
5046
5047 /* Step 1: set zeroes to all ilt page entries with valid bit on
5048 * Step 2: set the timers first/last ilt entry to point
5049 * to the entire range to prevent ILT range error for 3rd/4th
Lucas De Marchi25985ed2011-03-30 22:57:33 -03005050 * vnic (this code assumes existence of the vnic)
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005051 *
5052 * both steps performed by call to bnx2x_ilt_client_init_op()
5053 * with dummy TM client
5054 *
5055 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
5056 * and his brother are split registers
5057 */
5058 bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
5059 bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
5060 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
5061
5062 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
5063 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
5064 REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
5065 }
5066
5067
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005068 REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
5069 REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005070
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005071 if (CHIP_IS_E2(bp)) {
5072 int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
5073 (CHIP_REV_IS_FPGA(bp) ? 400 : 0);
5074 bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);
5075
5076 bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);
5077
5078 /* let the HW do it's magic ... */
5079 do {
5080 msleep(200);
5081 val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
5082 } while (factor-- && (val != 1));
5083
5084 if (val != 1) {
5085 BNX2X_ERR("ATC_INIT failed\n");
5086 return -EBUSY;
5087 }
5088 }
5089
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005090 bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005091
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005092 /* clean the DMAE memory */
5093 bp->dmae_ready = 1;
5094 bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005095
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005096 bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
5097 bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
5098 bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
5099 bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005100
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005101 bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
5102 bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
5103 bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
5104 bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);
5105
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005106 bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005107
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005108 if (CHIP_MODE_IS_4_PORT(bp))
5109 bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005110
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005111 /* QM queues pointers table */
5112 bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);
Michael Chan37b091b2009-10-10 13:46:55 +00005113
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005114 /* soft reset pulse */
5115 REG_WR(bp, QM_REG_SOFT_RESET, 1);
5116 REG_WR(bp, QM_REG_SOFT_RESET, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005117
Michael Chan37b091b2009-10-10 13:46:55 +00005118#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005119 bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005120#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005121
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005122 bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005123 REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);
5124
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005125 if (!CHIP_REV_IS_SLOW(bp)) {
5126 /* enable hw interrupt from doorbell Q */
5127 REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
5128 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005129
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005130 bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005131 if (CHIP_MODE_IS_4_PORT(bp)) {
5132 REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
5133 REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
5134 }
5135
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005136 bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
Eilon Greenstein26c8fa42009-01-14 21:29:55 -08005137 REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
Michael Chan37b091b2009-10-10 13:46:55 +00005138#ifndef BCM_CNIC
Eilon Greenstein3196a882008-08-13 15:58:49 -07005139 /* set NIC mode */
5140 REG_WR(bp, PRS_REG_NIC_MODE, 1);
Michael Chan37b091b2009-10-10 13:46:55 +00005141#endif
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005142 if (!CHIP_IS_E1(bp))
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005143 REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005144
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005145 if (CHIP_IS_E2(bp)) {
5146 /* Bit-map indicating which L2 hdrs may appear after the
5147 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005148 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005149 REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5150 REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5151 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005152
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005153 bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
5154 bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
5155 bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
5156 bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005157
Eilon Greensteinca003922009-08-12 22:53:28 -07005158 bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5159 bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5160 bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
5161 bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005162
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005163 bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
5164 bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
5165 bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
5166 bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005167
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005168 if (CHIP_MODE_IS_4_PORT(bp))
5169 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);
5170
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005171 /* sync semi rtc */
5172 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
5173 0x80000000);
5174 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
5175 0x80000000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005176
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005177 bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
5178 bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
5179 bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005180
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005181 if (CHIP_IS_E2(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005182 int has_ovlan = IS_MF_SD(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005183 REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
5184 REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
5185 }
5186
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005187 REG_WR(bp, SRC_REG_SOFT_RST, 1);
Tom Herbertc68ed252010-04-23 00:10:52 -07005188 for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
5189 REG_WR(bp, i, random32());
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005190
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005191 bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
Michael Chan37b091b2009-10-10 13:46:55 +00005192#ifdef BCM_CNIC
5193 REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
5194 REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
5195 REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
5196 REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
5197 REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
5198 REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
5199 REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
5200 REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
5201 REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
5202 REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
5203#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005204 REG_WR(bp, SRC_REG_SOFT_RST, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005205
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005206 if (sizeof(union cdu_context) != 1024)
5207 /* we currently assume that a context is 1024 bytes */
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005208 dev_alert(&bp->pdev->dev, "please adjust the size "
5209 "of cdu_context(%ld)\n",
Joe Perches7995c642010-02-17 15:01:52 +00005210 (long)sizeof(union cdu_context));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005211
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005212 bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005213 val = (4 << 24) + (0 << 12) + 1024;
5214 REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005215
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005216 bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005217 REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08005218 /* enable context validation interrupt from CFC */
5219 REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
5220
5221 /* set the thresholds to prevent CFC/CDU race */
5222 REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005223
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005224 bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005225
5226 if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
5227 REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);
5228
5229 bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005230 bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005231
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005232 bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005233 /* Reset PCIE errors for debug */
5234 REG_WR(bp, 0x2814, 0xffffffff);
5235 REG_WR(bp, 0x3820, 0xffffffff);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005236
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005237 if (CHIP_IS_E2(bp)) {
5238 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
5239 (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
5240 PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
5241 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
5242 (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
5243 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
5244 PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
5245 REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
5246 (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
5247 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
5248 PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
5249 }
5250
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005251 bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005252 bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005253 bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005254 bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005255
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005256 bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005257 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005258 REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005259 REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005260 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005261 if (CHIP_IS_E2(bp)) {
5262 /* Bit-map indicating which L2 hdrs may appear after the
5263 basic Ethernet header */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005264 REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005265 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005266
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005267 if (CHIP_REV_IS_SLOW(bp))
5268 msleep(200);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005269
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005270 /* finish CFC init */
5271 val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
5272 if (val != 1) {
5273 BNX2X_ERR("CFC LL_INIT failed\n");
5274 return -EBUSY;
5275 }
5276 val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
5277 if (val != 1) {
5278 BNX2X_ERR("CFC AC_INIT failed\n");
5279 return -EBUSY;
5280 }
5281 val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
5282 if (val != 1) {
5283 BNX2X_ERR("CFC CAM_INIT failed\n");
5284 return -EBUSY;
5285 }
5286 REG_WR(bp, CFC_REG_DEBUG0, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005287
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005288 if (CHIP_IS_E1(bp)) {
5289 /* read NIG statistic
5290 to see if this is our first up since powerup */
5291 bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
5292 val = *bnx2x_sp(bp, wb_data[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005293
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005294 /* do internal memory self test */
5295 if ((val == 0) && bnx2x_int_mem_test(bp)) {
5296 BNX2X_ERR("internal mem self test failed\n");
5297 return -EBUSY;
5298 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005299 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005300
Eilon Greensteinfd4ef402009-07-21 05:47:27 +00005301 bnx2x_setup_fan_failure_detection(bp);
5302
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005303 /* clear PXP2 attentions */
5304 REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005305
Vladislav Zolotarov4a33bc02011-01-09 02:20:04 +00005306 bnx2x_enable_blocks_attention(bp);
5307 if (CHIP_PARITY_ENABLED(bp))
5308 bnx2x_enable_blocks_parity(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005309
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005310 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005311 /* In E2 2-PORT mode, same ext phy is used for the two paths */
5312 if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
5313 CHIP_IS_E1x(bp)) {
5314 u32 shmem_base[2], shmem2_base[2];
5315 shmem_base[0] = bp->common.shmem_base;
5316 shmem2_base[0] = bp->common.shmem2_base;
5317 if (CHIP_IS_E2(bp)) {
5318 shmem_base[1] =
5319 SHMEM2_RD(bp, other_shmem_base_addr);
5320 shmem2_base[1] =
5321 SHMEM2_RD(bp, other_shmem2_base_addr);
5322 }
5323 bnx2x_acquire_phy_lock(bp);
5324 bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
5325 bp->common.chip_id);
5326 bnx2x_release_phy_lock(bp);
5327 }
Yaniv Rosner6bbca912008-08-13 15:57:28 -07005328 } else
5329 BNX2X_ERR("Bootcode is missing - can not initialize link\n");
5330
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005331 return 0;
5332}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005333
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005334static int bnx2x_init_hw_port(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005335{
5336 int port = BP_PORT(bp);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005337 int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
Eilon Greenstein1c063282009-02-12 08:36:43 +00005338 u32 low, high;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005339 u32 val;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005340
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005341 DP(BNX2X_MSG_MCP, "starting port init port %d\n", port);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005342
5343 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005344
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005345 bnx2x_init_block(bp, PXP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005346 bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005347
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005348 /* Timers bug workaround: disables the pf_master bit in pglue at
5349 * common phase, we need to enable it here before any dmae access are
5350 * attempted. Therefore we manually added the enable-master to the
5351 * port phase (it also happens in the function phase)
5352 */
5353 if (CHIP_IS_E2(bp))
5354 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5355
Eilon Greensteinca003922009-08-12 22:53:28 -07005356 bnx2x_init_block(bp, TCM_BLOCK, init_stage);
5357 bnx2x_init_block(bp, UCM_BLOCK, init_stage);
5358 bnx2x_init_block(bp, CCM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005359 bnx2x_init_block(bp, XCM_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005360
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005361 /* QM cid (connection) count */
5362 bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005363
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005364#ifdef BCM_CNIC
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005365 bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
Michael Chan37b091b2009-10-10 13:46:55 +00005366 REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
5367 REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005368#endif
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005369
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005370 bnx2x_init_block(bp, DQ_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005371
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005372 if (CHIP_MODE_IS_4_PORT(bp))
5373 bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);
Eilon Greenstein1c063282009-02-12 08:36:43 +00005374
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005375 if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
5376 bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
5377 if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
5378 /* no pause for emulation and FPGA */
5379 low = 0;
5380 high = 513;
5381 } else {
5382 if (IS_MF(bp))
5383 low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
5384 else if (bp->dev->mtu > 4096) {
5385 if (bp->flags & ONE_PORT_FLAG)
5386 low = 160;
5387 else {
5388 val = bp->dev->mtu;
5389 /* (24*1024 + val*4)/256 */
5390 low = 96 + (val/64) +
5391 ((val % 64) ? 1 : 0);
5392 }
5393 } else
5394 low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
5395 high = low + 56; /* 14*1024/256 */
5396 }
5397 REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
5398 REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5399 }
5400
5401 if (CHIP_MODE_IS_4_PORT(bp)) {
5402 REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
5403 REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
5404 REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
5405 BRB1_REG_MAC_GUARANTIED_0), 40);
5406 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005407
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005408 bnx2x_init_block(bp, PRS_BLOCK, init_stage);
Eilon Greensteinca003922009-08-12 22:53:28 -07005409
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005410 bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005411 bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005412 bnx2x_init_block(bp, USDM_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005413 bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005414
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005415 bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
5416 bnx2x_init_block(bp, USEM_BLOCK, init_stage);
5417 bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
5418 bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005419 if (CHIP_MODE_IS_4_PORT(bp))
5420 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005421
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005422 bnx2x_init_block(bp, UPB_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005423 bnx2x_init_block(bp, XPB_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005424
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005425 bnx2x_init_block(bp, PBF_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005426
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005427 if (!CHIP_IS_E2(bp)) {
5428 /* configure PBF to work without PAUSE mtu 9000 */
5429 REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005430
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005431 /* update threshold */
5432 REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
5433 /* update init credit */
5434 REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005435
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005436 /* probe changes */
5437 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
5438 udelay(50);
5439 REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
5440 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005441
Michael Chan37b091b2009-10-10 13:46:55 +00005442#ifdef BCM_CNIC
5443 bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005444#endif
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005445 bnx2x_init_block(bp, CDU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005446 bnx2x_init_block(bp, CFC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005447
5448 if (CHIP_IS_E1(bp)) {
5449 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5450 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5451 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005452 bnx2x_init_block(bp, HC_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005453
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005454 bnx2x_init_block(bp, IGU_BLOCK, init_stage);
5455
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005456 bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005457 /* init aeu_mask_attn_func_0/1:
5458 * - SF mode: bits 3-7 are masked. only bits 0-2 are in use
5459 * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
5460 * bits 4-7 are used for "per vn group attention" */
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00005461 val = IS_MF(bp) ? 0xF7 : 0x7;
5462 /* Enable DCBX attention for all but E1 */
5463 val |= CHIP_IS_E1(bp) ? 0 : 0x10;
5464 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005465
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005466 bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005467 bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005468 bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005469 bnx2x_init_block(bp, DBU_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005470 bnx2x_init_block(bp, DBG_BLOCK, init_stage);
Eilon Greenstein356e2382009-02-12 08:38:32 +00005471
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005472 bnx2x_init_block(bp, NIG_BLOCK, init_stage);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005473
5474 REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);
5475
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005476 if (!CHIP_IS_E1(bp)) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005477 /* 0x2 disable mf_ov, 0x1 enable */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005478 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08005479 (IS_MF_SD(bp) ? 0x1 : 0x2));
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005480
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005481 if (CHIP_IS_E2(bp)) {
5482 val = 0;
5483 switch (bp->mf_mode) {
5484 case MULTI_FUNCTION_SD:
5485 val = 1;
5486 break;
5487 case MULTI_FUNCTION_SI:
5488 val = 2;
5489 break;
5490 }
5491
5492 REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
5493 NIG_REG_LLH0_CLS_TYPE), val);
5494 }
Eilon Greenstein1c063282009-02-12 08:36:43 +00005495 {
5496 REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
5497 REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
5498 REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
5499 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005500 }
5501
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005502 bnx2x_init_block(bp, MCP_BLOCK, init_stage);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07005503 bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
Yaniv Rosnerd90d96b2010-09-07 11:41:04 +00005504 if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00005505 bp->common.shmem2_base, port)) {
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005506 u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
5507 MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
5508 val = REG_RD(bp, reg_addr);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005509 val |= AEU_INPUTS_ATTN_BITS_SPIO5;
Eilon Greenstein4d295db2009-07-21 05:47:47 +00005510 REG_WR(bp, reg_addr, val);
Eliezer Tamirf1410642008-02-28 11:51:50 -08005511 }
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07005512 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005513
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005514 return 0;
5515}
5516
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005517static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
5518{
5519 int reg;
5520
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005521 if (CHIP_IS_E1(bp))
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005522 reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005523 else
5524 reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005525
5526 bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
5527}
5528
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005529static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
5530{
5531 bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
5532}
5533
5534static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
5535{
5536 u32 i, base = FUNC_ILT_BASE(func);
5537 for (i = base; i < base + ILT_PER_FUNC; i++)
5538 bnx2x_ilt_wr(bp, i, 0);
5539}
5540
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005541static int bnx2x_init_hw_func(struct bnx2x *bp)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005542{
5543 int port = BP_PORT(bp);
5544 int func = BP_FUNC(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005545 struct bnx2x_ilt *ilt = BP_ILT(bp);
5546 u16 cdu_ilt_start;
Eilon Greenstein8badd272009-02-12 08:36:15 +00005547 u32 addr, val;
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005548 u32 main_mem_base, main_mem_size, main_mem_prty_clr;
5549 int i, main_mem_width;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005550
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00005551 DP(BNX2X_MSG_MCP, "starting func init func %d\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005552
Eilon Greenstein8badd272009-02-12 08:36:15 +00005553 /* set MSI reconfigure capability */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005554 if (bp->common.int_block == INT_BLOCK_HC) {
5555 addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
5556 val = REG_RD(bp, addr);
5557 val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
5558 REG_WR(bp, addr, val);
5559 }
Eilon Greenstein8badd272009-02-12 08:36:15 +00005560
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005561 ilt = BP_ILT(bp);
5562 cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005563
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005564 for (i = 0; i < L2_ILT_LINES(bp); i++) {
5565 ilt->lines[cdu_ilt_start + i].page =
5566 bp->context.vcxt + (ILT_PAGE_CIDS * i);
5567 ilt->lines[cdu_ilt_start + i].page_mapping =
5568 bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
5569 /* cdu ilt pages are allocated manually so there's no need to
5570 set the size */
5571 }
5572 bnx2x_ilt_init_op(bp, INITOP_SET);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005573
Michael Chan37b091b2009-10-10 13:46:55 +00005574#ifdef BCM_CNIC
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005575 bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
Michael Chan37b091b2009-10-10 13:46:55 +00005576
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005577 /* T1 hash bits value determines the T1 number of entries */
5578 REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
Michael Chan37b091b2009-10-10 13:46:55 +00005579#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005580
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005581#ifndef BCM_CNIC
5582 /* set NIC mode */
5583 REG_WR(bp, PRS_REG_NIC_MODE, 1);
5584#endif /* BCM_CNIC */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005585
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005586 if (CHIP_IS_E2(bp)) {
5587 u32 pf_conf = IGU_PF_CONF_FUNC_EN;
5588
5589 /* Turn on a single ISR mode in IGU if driver is going to use
5590 * INT#x or MSI
5591 */
5592 if (!(bp->flags & USING_MSIX_FLAG))
5593 pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
5594 /*
5595 * Timers workaround bug: function init part.
5596 * Need to wait 20msec after initializing ILT,
5597 * needed to make sure there are no requests in
5598 * one of the PXP internal queues with "old" ILT addresses
5599 */
5600 msleep(20);
5601 /*
5602 * Master enable - Due to WB DMAE writes performed before this
5603 * register is re-initialized as part of the regular function
5604 * init
5605 */
5606 REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
5607 /* Enable the function in IGU */
5608 REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
5609 }
5610
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005611 bp->dmae_ready = 1;
5612
5613 bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);
5614
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005615 if (CHIP_IS_E2(bp))
5616 REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);
5617
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005618 bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
5619 bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
5620 bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
5621 bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
5622 bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
5623 bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
5624 bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
5625 bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
5626 bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);
5627
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005628 if (CHIP_IS_E2(bp)) {
5629 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
5630 BP_PATH(bp));
5631 REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
5632 BP_PATH(bp));
5633 }
5634
5635 if (CHIP_MODE_IS_4_PORT(bp))
5636 bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);
5637
5638 if (CHIP_IS_E2(bp))
5639 REG_WR(bp, QM_REG_PF_EN, 1);
5640
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005641 bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005642
5643 if (CHIP_MODE_IS_4_PORT(bp))
5644 bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);
5645
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005646 bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
5647 bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
5648 bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
5649 bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
5650 bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
5651 bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
5652 bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
5653 bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
5654 bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
5655 bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
5656 bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005657 if (CHIP_IS_E2(bp))
5658 REG_WR(bp, PBF_REG_DISABLE_PF, 0);
5659
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005660 bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);
5661
5662 bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5663
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005664 if (CHIP_IS_E2(bp))
5665 REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);
5666
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005667 if (IS_MF(bp)) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005668 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00005669 REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005670 }
5671
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005672 bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);
5673
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005674 /* HC init per function */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005675 if (bp->common.int_block == INT_BLOCK_HC) {
5676 if (CHIP_IS_E1H(bp)) {
5677 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5678
5679 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
5680 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
5681 }
5682 bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);
5683
5684 } else {
5685 int num_segs, sb_idx, prod_offset;
5686
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005687 REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
5688
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005689 if (CHIP_IS_E2(bp)) {
5690 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
5691 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
5692 }
5693
5694 bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);
5695
5696 if (CHIP_IS_E2(bp)) {
5697 int dsb_idx = 0;
5698 /**
5699 * Producer memory:
5700 * E2 mode: address 0-135 match to the mapping memory;
5701 * 136 - PF0 default prod; 137 - PF1 default prod;
5702 * 138 - PF2 default prod; 139 - PF3 default prod;
5703 * 140 - PF0 attn prod; 141 - PF1 attn prod;
5704 * 142 - PF2 attn prod; 143 - PF3 attn prod;
5705 * 144-147 reserved.
5706 *
5707 * E1.5 mode - In backward compatible mode;
5708 * for non default SB; each even line in the memory
5709 * holds the U producer and each odd line hold
5710 * the C producer. The first 128 producers are for
5711 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
5712 * producers are for the DSB for each PF.
5713 * Each PF has five segments: (the order inside each
5714 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
5715 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
5716 * 144-147 attn prods;
5717 */
5718 /* non-default-status-blocks */
5719 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5720 IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
5721 for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
5722 prod_offset = (bp->igu_base_sb + sb_idx) *
5723 num_segs;
5724
5725 for (i = 0; i < num_segs; i++) {
5726 addr = IGU_REG_PROD_CONS_MEMORY +
5727 (prod_offset + i) * 4;
5728 REG_WR(bp, addr, 0);
5729 }
5730 /* send consumer update with value 0 */
5731 bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
5732 USTORM_ID, 0, IGU_INT_NOP, 1);
5733 bnx2x_igu_clear_sb(bp,
5734 bp->igu_base_sb + sb_idx);
5735 }
5736
5737 /* default-status-blocks */
5738 num_segs = CHIP_INT_MODE_IS_BC(bp) ?
5739 IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;
5740
5741 if (CHIP_MODE_IS_4_PORT(bp))
5742 dsb_idx = BP_FUNC(bp);
5743 else
5744 dsb_idx = BP_E1HVN(bp);
5745
5746 prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
5747 IGU_BC_BASE_DSB_PROD + dsb_idx :
5748 IGU_NORM_BASE_DSB_PROD + dsb_idx);
5749
5750 for (i = 0; i < (num_segs * E1HVN_MAX);
5751 i += E1HVN_MAX) {
5752 addr = IGU_REG_PROD_CONS_MEMORY +
5753 (prod_offset + i)*4;
5754 REG_WR(bp, addr, 0);
5755 }
5756 /* send consumer update with 0 */
5757 if (CHIP_INT_MODE_IS_BC(bp)) {
5758 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5759 USTORM_ID, 0, IGU_INT_NOP, 1);
5760 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5761 CSTORM_ID, 0, IGU_INT_NOP, 1);
5762 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5763 XSTORM_ID, 0, IGU_INT_NOP, 1);
5764 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5765 TSTORM_ID, 0, IGU_INT_NOP, 1);
5766 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5767 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5768 } else {
5769 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5770 USTORM_ID, 0, IGU_INT_NOP, 1);
5771 bnx2x_ack_sb(bp, bp->igu_dsb_id,
5772 ATTENTION_ID, 0, IGU_INT_NOP, 1);
5773 }
5774 bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);
5775
5776 /* !!! these should become driver const once
5777 rf-tool supports split-68 const */
5778 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
5779 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
5780 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
5781 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
5782 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
5783 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
5784 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005785 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005786
Eliezer Tamirc14423f2008-02-28 11:49:42 -08005787 /* Reset PCIE errors for debug */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005788 REG_WR(bp, 0x2114, 0xffffffff);
5789 REG_WR(bp, 0x2120, 0xffffffff);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005790
5791 bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
5792 bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
5793 bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
5794 bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
5795 bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
5796 bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);
5797
Vladislav Zolotarovf4a66892010-10-19 05:13:09 +00005798 if (CHIP_IS_E1x(bp)) {
5799 main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
5800 main_mem_base = HC_REG_MAIN_MEMORY +
5801 BP_PORT(bp) * (main_mem_size * 4);
5802 main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
5803 main_mem_width = 8;
5804
5805 val = REG_RD(bp, main_mem_prty_clr);
5806 if (val)
5807 DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
5808 "block during "
5809 "function init (0x%x)!\n", val);
5810
5811 /* Clear "false" parity errors in MSI-X table */
5812 for (i = main_mem_base;
5813 i < main_mem_base + main_mem_size * 4;
5814 i += main_mem_width) {
5815 bnx2x_read_dmae(bp, i, main_mem_width / 4);
5816 bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
5817 i, main_mem_width / 4);
5818 }
5819 /* Clear HC parity attention */
5820 REG_RD(bp, main_mem_prty_clr);
5821 }
5822
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00005823 bnx2x_phy_probe(&bp->link_params);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005824
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005825 return 0;
5826}
5827
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005828int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005829{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005830 int rc = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005831
5832 DP(BNX2X_MSG_MCP, "function %d load_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005833 BP_ABS_FUNC(bp), load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005834
5835 bp->dmae_ready = 0;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08005836 spin_lock_init(&bp->dmae_lock);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005837
5838 switch (load_code) {
5839 case FW_MSG_CODE_DRV_LOAD_COMMON:
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005840 case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005841 rc = bnx2x_init_hw_common(bp, load_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005842 if (rc)
5843 goto init_hw_err;
5844 /* no break */
5845
5846 case FW_MSG_CODE_DRV_LOAD_PORT:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005847 rc = bnx2x_init_hw_port(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005848 if (rc)
5849 goto init_hw_err;
5850 /* no break */
5851
5852 case FW_MSG_CODE_DRV_LOAD_FUNCTION:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005853 rc = bnx2x_init_hw_func(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005854 if (rc)
5855 goto init_hw_err;
5856 break;
5857
5858 default:
5859 BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
5860 break;
5861 }
5862
5863 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005864 int mb_idx = BP_FW_MB_IDX(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005865
5866 bp->fw_drv_pulse_wr_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005867 (SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005868 DRV_PULSE_SEQ_MASK);
Eilon Greenstein6fe49bb2009-08-12 08:23:17 +00005869 DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
5870 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005871
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005872init_hw_err:
5873 bnx2x_gunzip_end(bp);
5874
5875 return rc;
5876}
5877
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005878void bnx2x_free_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005879{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005880 bnx2x_gunzip_end(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005881
5882 /* fastpath */
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005883 bnx2x_free_fp_mem(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005884 /* end of fastpath */
5885
5886 BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005887 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005888
5889 BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07005890 sizeof(struct bnx2x_slowpath));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005891
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005892 BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
5893 bp->context.size);
5894
5895 bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);
5896
5897 BNX2X_FREE(bp->ilt->lines);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005898
Michael Chan37b091b2009-10-10 13:46:55 +00005899#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005900 if (CHIP_IS_E2(bp))
5901 BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
5902 sizeof(struct host_hc_status_block_e2));
5903 else
5904 BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
5905 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005906
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005907 BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005908#endif
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005909
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07005910 BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005911
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005912 BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
5913 BCM_PAGE_SIZE * NUM_EQ_PAGES);
5914
Tom Herbertab532cf2011-02-16 10:27:02 +00005915 BNX2X_FREE(bp->rx_indir_table);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005916}
5917
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005918
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00005919int bnx2x_alloc_mem(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005920{
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005921 if (bnx2x_gunzip_init(bp))
5922 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005923
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005924#ifdef BCM_CNIC
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00005925 if (CHIP_IS_E2(bp))
5926 BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
5927 sizeof(struct host_hc_status_block_e2));
5928 else
5929 BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
5930 sizeof(struct host_hc_status_block_e1x));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005931
5932 /* allocate searcher T2 table */
5933 BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
5934#endif
5935
5936
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005937 BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005938 sizeof(struct host_sp_status_block));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005939
5940 BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
5941 sizeof(struct bnx2x_slowpath));
5942
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005943 bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00005944
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005945 BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
5946 bp->context.size);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005947
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005948 BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005949
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005950 if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
5951 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005952
5953 /* Slow path ring */
5954 BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5955
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005956 /* EQ */
5957 BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
5958 BCM_PAGE_SIZE * NUM_EQ_PAGES);
Tom Herbertab532cf2011-02-16 10:27:02 +00005959
5960 BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
5961 TSTORM_INDIRECTION_TABLE_SIZE);
Dmitry Kravkovb3b83c32011-05-04 23:50:33 +00005962
5963 /* fastpath */
5964 /* need to be done at the end, since it's self adjusting to amount
5965 * of memory available for RSS queues
5966 */
5967 if (bnx2x_alloc_fp_mem(bp))
5968 goto alloc_mem_err;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005969 return 0;
5970
5971alloc_mem_err:
5972 bnx2x_free_mem(bp);
5973 return -ENOMEM;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005974}
5975
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005976/*
5977 * Init service functions
5978 */
stephen hemminger8d962862010-10-21 07:50:56 +00005979static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
5980 int *state_p, int flags);
5981
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005982int bnx2x_func_start(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005983{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005984 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005985
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005986 /* Wait for completion */
5987 return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
5988 WAIT_RAMROD_COMMON);
5989}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005990
stephen hemminger8d962862010-10-21 07:50:56 +00005991static int bnx2x_func_stop(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005992{
5993 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005994
Dmitry Kravkov523224a2010-10-06 03:23:26 +00005995 /* Wait for completion */
5996 return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
5997 0, &(bp->state), WAIT_RAMROD_COMMON);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02005998}
5999
Michael Chane665bfd2009-10-10 13:46:54 +00006000/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006001 * 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 +00006002 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006003 * @bp: driver handle
6004 * @set: set or clear an entry (1 or 0)
6005 * @mac: pointer to a buffer containing a MAC
6006 * @cl_bit_vec: bit vector of clients to register a MAC for
6007 * @cam_offset: offset in a CAM to use
6008 * @is_bcast: is the set MAC a broadcast address (for E1 only)
Michael Chane665bfd2009-10-10 13:46:54 +00006009 */
Joe Perches215faf92010-12-21 02:16:10 -08006010static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006011 u32 cl_bit_vec, u8 cam_offset,
6012 u8 is_bcast)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006013{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006014 struct mac_configuration_cmd *config =
6015 (struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
6016 int ramrod_flags = WAIT_RAMROD_COMMON;
6017
6018 bp->set_mac_pending = 1;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006019
Eilon Greenstein8d9c5f32009-02-15 23:24:08 -08006020 config->hdr.length = 1;
Michael Chane665bfd2009-10-10 13:46:54 +00006021 config->hdr.offset = cam_offset;
6022 config->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006023 /* Mark the single MAC configuration ramrod as opposed to a
6024 * UC/MC list configuration).
6025 */
6026 config->hdr.echo = 1;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006027
6028 /* primary MAC */
6029 config->config_table[0].msb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006030 swab16(*(u16 *)&mac[0]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006031 config->config_table[0].middle_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006032 swab16(*(u16 *)&mac[2]);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006033 config->config_table[0].lsb_mac_addr =
Michael Chane665bfd2009-10-10 13:46:54 +00006034 swab16(*(u16 *)&mac[4]);
Eilon Greensteinca003922009-08-12 22:53:28 -07006035 config->config_table[0].clients_bit_vector =
Michael Chane665bfd2009-10-10 13:46:54 +00006036 cpu_to_le32(cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006037 config->config_table[0].vlan_id = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006038 config->config_table[0].pf_id = BP_FUNC(bp);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006039 if (set)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006040 SET_FLAG(config->config_table[0].flags,
6041 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6042 T_ETH_MAC_COMMAND_SET);
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006043 else
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006044 SET_FLAG(config->config_table[0].flags,
6045 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6046 T_ETH_MAC_COMMAND_INVALIDATE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006047
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006048 if (is_bcast)
6049 SET_FLAG(config->config_table[0].flags,
6050 MAC_CONFIGURATION_ENTRY_BROADCAST, 1);
6051
6052 DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) PF_ID %d CLID mask %d\n",
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006053 (set ? "setting" : "clearing"),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006054 config->config_table[0].msb_mac_addr,
6055 config->config_table[0].middle_mac_addr,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006056 config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006057
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006058 mb();
6059
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006060 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006061 U64_HI(bnx2x_sp_mapping(bp, mac_config)),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006062 U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
6063
6064 /* Wait for a completion */
6065 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006066}
6067
stephen hemminger8d962862010-10-21 07:50:56 +00006068static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
6069 int *state_p, int flags)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006070{
6071 /* can take a while if any port is running */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006072 int cnt = 5000;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006073 u8 poll = flags & WAIT_RAMROD_POLL;
6074 u8 common = flags & WAIT_RAMROD_COMMON;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006075
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006076 DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
6077 poll ? "polling" : "waiting", state, idx);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006078
6079 might_sleep();
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006080 while (cnt--) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006081 if (poll) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006082 if (common)
6083 bnx2x_eq_int(bp);
6084 else {
6085 bnx2x_rx_int(bp->fp, 10);
6086 /* if index is different from 0
6087 * the reply for some commands will
6088 * be on the non default queue
6089 */
6090 if (idx)
6091 bnx2x_rx_int(&bp->fp[idx], 10);
6092 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006093 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006094
Yitchak Gertner3101c2b2008-08-13 15:52:28 -07006095 mb(); /* state is changed by bnx2x_sp_event() */
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006096 if (*state_p == state) {
6097#ifdef BNX2X_STOP_ON_ERROR
6098 DP(NETIF_MSG_IFUP, "exit (cnt %d)\n", 5000 - cnt);
6099#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006100 return 0;
Eilon Greenstein8b3a0f02009-02-12 08:37:23 +00006101 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006102
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006103 msleep(1);
Eilon Greensteine3553b22009-08-12 08:23:31 +00006104
6105 if (bp->panic)
6106 return -EIO;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006107 }
6108
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006109 /* timeout! */
Eliezer Tamir49d66772008-02-28 11:53:13 -08006110 BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
6111 poll ? "polling" : "waiting", state, idx);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006112#ifdef BNX2X_STOP_ON_ERROR
6113 bnx2x_panic();
6114#endif
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006115
Eliezer Tamir49d66772008-02-28 11:53:13 -08006116 return -EBUSY;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006117}
6118
stephen hemminger8d962862010-10-21 07:50:56 +00006119static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
Michael Chane665bfd2009-10-10 13:46:54 +00006120{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006121 if (CHIP_IS_E1H(bp))
6122 return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
6123 else if (CHIP_MODE_IS_4_PORT(bp))
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006124 return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006125 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006126 return E2_FUNC_MAX * rel_offset + BP_VN(bp);
Michael Chane665bfd2009-10-10 13:46:54 +00006127}
6128
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006129/**
6130 * LLH CAM line allocations: currently only iSCSI and ETH macs are
6131 * relevant. In addition, current implementation is tuned for a
6132 * single ETH MAC.
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006133 */
6134enum {
6135 LLH_CAM_ISCSI_ETH_LINE = 0,
6136 LLH_CAM_ETH_LINE,
6137 LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
6138};
6139
6140static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
6141 int set,
6142 unsigned char *dev_addr,
6143 int index)
6144{
6145 u32 wb_data[2];
6146 u32 mem_offset, ena_offset, mem_index;
6147 /**
6148 * indexes mapping:
6149 * 0..7 - goes to MEM
6150 * 8..15 - goes to MEM2
6151 */
6152
6153 if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
6154 return;
6155
6156 /* calculate memory start offset according to the mapping
6157 * and index in the memory */
6158 if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
6159 mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
6160 NIG_REG_LLH0_FUNC_MEM;
6161 ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
6162 NIG_REG_LLH0_FUNC_MEM_ENABLE;
6163 mem_index = index;
6164 } else {
6165 mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
6166 NIG_REG_P0_LLH_FUNC_MEM2;
6167 ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
6168 NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
6169 mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
6170 }
6171
6172 if (set) {
6173 /* LLH_FUNC_MEM is a u64 WB register */
6174 mem_offset += 8*mem_index;
6175
6176 wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
6177 (dev_addr[4] << 8) | dev_addr[5]);
6178 wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]);
6179
6180 REG_WR_DMAE(bp, mem_offset, wb_data, 2);
6181 }
6182
6183 /* enable/disable the entry */
6184 REG_WR(bp, ena_offset + 4*mem_index, set);
6185
6186}
6187
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006188void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
Michael Chane665bfd2009-10-10 13:46:54 +00006189{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006190 u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
6191 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6192
6193 /* networking MAC */
6194 bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
6195 (1 << bp->fp->cl_id), cam_offset , 0);
6196
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006197 bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);
6198
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006199 if (CHIP_IS_E1(bp)) {
6200 /* broadcast MAC */
Joe Perches215faf92010-12-21 02:16:10 -08006201 static const u8 bcast[ETH_ALEN] = {
6202 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
6203 };
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006204 bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
6205 }
6206}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006207
6208static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
6209{
6210 return CHIP_REV_IS_SLOW(bp) ?
6211 (BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
6212 (BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
6213}
6214
6215/* set mc list, do not wait as wait implies sleep and
6216 * set_rx_mode can be invoked from non-sleepable context.
6217 *
6218 * Instead we use the same ramrod data buffer each time we need
6219 * to configure a list of addresses, and use the fact that the
6220 * list of MACs is changed in an incremental way and that the
6221 * function is called under the netif_addr_lock. A temporary
6222 * inconsistent CAM configuration (possible in case of a very fast
6223 * sequence of add/del/add on the host side) will shortly be
6224 * restored by the handler of the last ramrod.
6225 */
6226static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006227{
6228 int i = 0, old;
6229 struct net_device *dev = bp->dev;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006230 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006231 struct netdev_hw_addr *ha;
6232 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6233 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6234
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006235 if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
6236 return -EINVAL;
6237
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006238 netdev_for_each_mc_addr(ha, dev) {
6239 /* copy mac */
6240 config_cmd->config_table[i].msb_mac_addr =
6241 swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
6242 config_cmd->config_table[i].middle_mac_addr =
6243 swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
6244 config_cmd->config_table[i].lsb_mac_addr =
6245 swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6246
6247 config_cmd->config_table[i].vlan_id = 0;
6248 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
6249 config_cmd->config_table[i].clients_bit_vector =
6250 cpu_to_le32(1 << BP_L_ID(bp));
6251
6252 SET_FLAG(config_cmd->config_table[i].flags,
6253 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6254 T_ETH_MAC_COMMAND_SET);
6255
6256 DP(NETIF_MSG_IFUP,
6257 "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
6258 config_cmd->config_table[i].msb_mac_addr,
6259 config_cmd->config_table[i].middle_mac_addr,
6260 config_cmd->config_table[i].lsb_mac_addr);
6261 i++;
6262 }
6263 old = config_cmd->hdr.length;
6264 if (old > i) {
6265 for (; i < old; i++) {
6266 if (CAM_IS_INVALID(config_cmd->
6267 config_table[i])) {
6268 /* already invalidated */
6269 break;
6270 }
6271 /* invalidate */
6272 SET_FLAG(config_cmd->config_table[i].flags,
6273 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6274 T_ETH_MAC_COMMAND_INVALIDATE);
6275 }
6276 }
6277
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006278 wmb();
6279
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006280 config_cmd->hdr.length = i;
6281 config_cmd->hdr.offset = offset;
6282 config_cmd->hdr.client_id = 0xff;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006283 /* Mark that this ramrod doesn't use bp->set_mac_pending for
6284 * synchronization.
6285 */
6286 config_cmd->hdr.echo = 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006287
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006288 mb();
Michael Chane665bfd2009-10-10 13:46:54 +00006289
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006290 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006291 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6292}
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006293
6294void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006295{
6296 int i;
6297 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
6298 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
6299 int ramrod_flags = WAIT_RAMROD_COMMON;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006300 u8 offset = bnx2x_e1_cam_mc_offset(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006301
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006302 for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006303 SET_FLAG(config_cmd->config_table[i].flags,
6304 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
6305 T_ETH_MAC_COMMAND_INVALIDATE);
6306
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006307 wmb();
6308
6309 config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
6310 config_cmd->hdr.offset = offset;
6311 config_cmd->hdr.client_id = 0xff;
6312 /* We'll wait for a completion this time... */
6313 config_cmd->hdr.echo = 1;
6314
6315 bp->set_mac_pending = 1;
6316
6317 mb();
6318
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006319 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6320 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
Michael Chane665bfd2009-10-10 13:46:54 +00006321
6322 /* Wait for a completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006323 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
6324 ramrod_flags);
6325
Michael Chane665bfd2009-10-10 13:46:54 +00006326}
6327
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08006328/* Accept one or more multicasts */
6329static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
6330{
6331 struct net_device *dev = bp->dev;
6332 struct netdev_hw_addr *ha;
6333 u32 mc_filter[MC_HASH_SIZE];
6334 u32 crc, bit, regidx;
6335 int i;
6336
6337 memset(mc_filter, 0, 4 * MC_HASH_SIZE);
6338
6339 netdev_for_each_mc_addr(ha, dev) {
6340 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
6341 bnx2x_mc_addr(ha));
6342
6343 crc = crc32c_le(0, bnx2x_mc_addr(ha),
6344 ETH_ALEN);
6345 bit = (crc >> 24) & 0xff;
6346 regidx = bit >> 5;
6347 bit &= 0x1f;
6348 mc_filter[regidx] |= (1 << bit);
6349 }
6350
6351 for (i = 0; i < MC_HASH_SIZE; i++)
6352 REG_WR(bp, MC_HASH_OFFSET(bp, i),
6353 mc_filter[i]);
6354
6355 return 0;
6356}
6357
6358void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
6359{
6360 int i;
6361
6362 for (i = 0; i < MC_HASH_SIZE; i++)
6363 REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
6364}
6365
Michael Chan993ac7b2009-10-10 13:46:56 +00006366#ifdef BCM_CNIC
6367/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006368 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
Michael Chan993ac7b2009-10-10 13:46:56 +00006369 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006370 * @bp: driver handle
6371 * @set: set or clear the CAM entry
Michael Chan993ac7b2009-10-10 13:46:56 +00006372 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006373 * This function will wait until the ramdord completion returns.
6374 * Return 0 if success, -ENODEV if ramrod doesn't return.
Michael Chan993ac7b2009-10-10 13:46:56 +00006375 */
stephen hemminger8d962862010-10-21 07:50:56 +00006376static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
Michael Chan993ac7b2009-10-10 13:46:56 +00006377{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006378 u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
6379 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006380 u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
6381 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006382 u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006383 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
Michael Chan993ac7b2009-10-10 13:46:56 +00006384
6385 /* Send a SET_MAC ramrod */
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006386 bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006387 cam_offset, 0);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08006388
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00006389 bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006390
6391 return 0;
6392}
6393
6394/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006395 * bnx2x_set_fip_eth_mac_addr - set FCoE L2 MAC(s)
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006396 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006397 * @bp: driver handle
6398 * @set: set or clear the CAM entry
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006399 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00006400 * This function will wait until the ramrod completion returns.
6401 * Returns 0 if success, -ENODEV if ramrod doesn't return.
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006402 */
6403int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
6404{
6405 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6406 /**
6407 * CAM allocation for E1H
6408 * eth unicasts: by func number
6409 * iscsi: by func number
6410 * fip unicast: by func number
6411 * fip multicast: by func number
6412 */
6413 bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
6414 cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);
6415
6416 return 0;
6417}
6418
6419int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
6420{
6421 u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
6422
6423 /**
6424 * CAM allocation for E1H
6425 * eth unicasts: by func number
6426 * iscsi: by func number
6427 * fip unicast: by func number
6428 * fip multicast: by func number
6429 */
6430 bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS, cl_bit_vec,
6431 bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);
6432
Michael Chan993ac7b2009-10-10 13:46:56 +00006433 return 0;
6434}
6435#endif
6436
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006437static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
6438 struct bnx2x_client_init_params *params,
6439 u8 activate,
6440 struct client_init_ramrod_data *data)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006441{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006442 /* Clear the buffer */
6443 memset(data, 0, sizeof(*data));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006444
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006445 /* general */
6446 data->general.client_id = params->rxq_params.cl_id;
6447 data->general.statistics_counter_id = params->rxq_params.stat_id;
6448 data->general.statistics_en_flg =
6449 (params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006450 data->general.is_fcoe_flg =
6451 (params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006452 data->general.activate_flg = activate;
6453 data->general.sp_client_id = params->rxq_params.spcl_id;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006454
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006455 /* Rx data */
6456 data->rx.tpa_en_flg =
6457 (params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
6458 data->rx.vmqueue_mode_en_flg = 0;
6459 data->rx.cache_line_alignment_log_size =
6460 params->rxq_params.cache_line_log;
6461 data->rx.enable_dynamic_hc =
6462 (params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
6463 data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
6464 data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
6465 data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;
6466
6467 /* We don't set drop flags */
6468 data->rx.drop_ip_cs_err_flg = 0;
6469 data->rx.drop_tcp_cs_err_flg = 0;
6470 data->rx.drop_ttl0_flg = 0;
6471 data->rx.drop_udp_cs_err_flg = 0;
6472
6473 data->rx.inner_vlan_removal_enable_flg =
6474 (params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
6475 data->rx.outer_vlan_removal_enable_flg =
6476 (params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
6477 data->rx.status_block_id = params->rxq_params.fw_sb_id;
6478 data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
6479 data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
6480 data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
6481 data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
6482 data->rx.bd_page_base.lo =
6483 cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
6484 data->rx.bd_page_base.hi =
6485 cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
6486 data->rx.sge_page_base.lo =
6487 cpu_to_le32(U64_LO(params->rxq_params.sge_map));
6488 data->rx.sge_page_base.hi =
6489 cpu_to_le32(U64_HI(params->rxq_params.sge_map));
6490 data->rx.cqe_page_base.lo =
6491 cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
6492 data->rx.cqe_page_base.hi =
6493 cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
6494 data->rx.is_leading_rss =
6495 (params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
6496 data->rx.is_approx_mcast = data->rx.is_leading_rss;
6497
6498 /* Tx data */
6499 data->tx.enforce_security_flg = 0; /* VF specific */
6500 data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
6501 data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
6502 data->tx.mtu = 0; /* VF specific */
6503 data->tx.tx_bd_page_base.lo =
6504 cpu_to_le32(U64_LO(params->txq_params.dscr_map));
6505 data->tx.tx_bd_page_base.hi =
6506 cpu_to_le32(U64_HI(params->txq_params.dscr_map));
6507
6508 /* flow control data */
6509 data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
6510 data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
6511 data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
6512 data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
6513 data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
6514 data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
6515 data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
6516
6517 data->fc.safc_group_num = params->txq_params.cos;
6518 data->fc.safc_group_en_flg =
6519 (params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006520 data->fc.traffic_type =
6521 (params->ramrod_params.flags & CLIENT_IS_FCOE) ?
6522 LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006523}
6524
6525static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
6526{
6527 /* ustorm cxt validation */
6528 cxt->ustorm_ag_context.cdu_usage =
6529 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
6530 ETH_CONNECTION_TYPE);
6531 /* xcontext validation */
6532 cxt->xstorm_ag_context.cdu_reserved =
6533 CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
6534 ETH_CONNECTION_TYPE);
6535}
6536
stephen hemminger8d962862010-10-21 07:50:56 +00006537static int bnx2x_setup_fw_client(struct bnx2x *bp,
6538 struct bnx2x_client_init_params *params,
6539 u8 activate,
6540 struct client_init_ramrod_data *data,
6541 dma_addr_t data_mapping)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006542{
6543 u16 hc_usec;
6544 int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
6545 int ramrod_flags = 0, rc;
6546
6547 /* HC and context validation values */
6548 hc_usec = params->txq_params.hc_rate ?
6549 1000000 / params->txq_params.hc_rate : 0;
6550 bnx2x_update_coalesce_sb_index(bp,
6551 params->txq_params.fw_sb_id,
6552 params->txq_params.sb_cq_index,
6553 !(params->txq_params.flags & QUEUE_FLG_HC),
6554 hc_usec);
6555
6556 *(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;
6557
6558 hc_usec = params->rxq_params.hc_rate ?
6559 1000000 / params->rxq_params.hc_rate : 0;
6560 bnx2x_update_coalesce_sb_index(bp,
6561 params->rxq_params.fw_sb_id,
6562 params->rxq_params.sb_cq_index,
6563 !(params->rxq_params.flags & QUEUE_FLG_HC),
6564 hc_usec);
6565
6566 bnx2x_set_ctx_validation(params->rxq_params.cxt,
6567 params->rxq_params.cid);
6568
6569 /* zero stats */
6570 if (params->txq_params.flags & QUEUE_FLG_STATS)
6571 storm_memset_xstats_zero(bp, BP_PORT(bp),
6572 params->txq_params.stat_id);
6573
6574 if (params->rxq_params.flags & QUEUE_FLG_STATS) {
6575 storm_memset_ustats_zero(bp, BP_PORT(bp),
6576 params->rxq_params.stat_id);
6577 storm_memset_tstats_zero(bp, BP_PORT(bp),
6578 params->rxq_params.stat_id);
6579 }
6580
6581 /* Fill the ramrod data */
6582 bnx2x_fill_cl_init_data(bp, params, activate, data);
6583
6584 /* SETUP ramrod.
6585 *
6586 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
6587 * barrier except from mmiowb() is needed to impose a
6588 * proper ordering of memory operations.
6589 */
6590 mmiowb();
6591
6592
6593 bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
6594 U64_HI(data_mapping), U64_LO(data_mapping), 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006595
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006596 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006597 rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
6598 params->ramrod_params.index,
6599 params->ramrod_params.pstate,
6600 ramrod_flags);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006601 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006602}
6603
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006604/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00006605 * bnx2x_set_int_mode - configure interrupt mode
6606 *
6607 * @bp: driver handle
6608 *
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006609 * In case of MSI-X it will also try to enable MSI-X.
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006610 */
6611static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006612{
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006613 int rc = 0;
Eilon Greensteinca003922009-08-12 22:53:28 -07006614
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006615 switch (bp->int_mode) {
6616 case INT_MODE_MSI:
6617 bnx2x_enable_msi(bp);
6618 /* falling through... */
6619 case INT_MODE_INTx:
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006620 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006621 DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
Eilon Greensteinca003922009-08-12 22:53:28 -07006622 break;
Eilon Greensteinca003922009-08-12 22:53:28 -07006623 default:
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006624 /* Set number of queues according to bp->multi_mode value */
6625 bnx2x_set_num_queues(bp);
6626
6627 DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
6628 bp->num_queues);
6629
6630 /* if we can't use MSI-X we only need one fp,
6631 * so try to enable MSI-X with the requested number of fp's
6632 * and fallback to MSI or legacy INTx with one fp
6633 */
6634 rc = bnx2x_enable_msix(bp);
6635 if (rc) {
6636 /* failed to enable MSI-X */
6637 if (bp->multi_mode)
6638 DP(NETIF_MSG_IFUP,
6639 "Multi requested but failed to "
6640 "enable MSI-X (%d), "
6641 "set number of queues to %d\n",
6642 bp->num_queues,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006643 1 + NONE_ETH_CONTEXT_USE);
6644 bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006645
6646 if (!(bp->flags & DISABLE_MSI_FLAG))
6647 bnx2x_enable_msi(bp);
6648 }
6649
Eilon Greensteinca003922009-08-12 22:53:28 -07006650 break;
6651 }
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00006652
6653 return rc;
Eilon Greensteinca003922009-08-12 22:53:28 -07006654}
6655
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00006656/* must be called prioir to any HW initializations */
6657static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
6658{
6659 return L2_ILT_LINES(bp);
6660}
6661
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006662void bnx2x_ilt_set_info(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006663{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006664 struct ilt_client_info *ilt_client;
6665 struct bnx2x_ilt *ilt = BP_ILT(bp);
6666 u16 line = 0;
6667
6668 ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
6669 DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);
6670
6671 /* CDU */
6672 ilt_client = &ilt->clients[ILT_CLIENT_CDU];
6673 ilt_client->client_num = ILT_CLIENT_CDU;
6674 ilt_client->page_size = CDU_ILT_PAGE_SZ;
6675 ilt_client->flags = ILT_CLIENT_SKIP_MEM;
6676 ilt_client->start = line;
6677 line += L2_ILT_LINES(bp);
6678#ifdef BCM_CNIC
6679 line += CNIC_ILT_LINES;
6680#endif
6681 ilt_client->end = line - 1;
6682
6683 DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
6684 "flags 0x%x, hw psz %d\n",
6685 ilt_client->start,
6686 ilt_client->end,
6687 ilt_client->page_size,
6688 ilt_client->flags,
6689 ilog2(ilt_client->page_size >> 12));
6690
6691 /* QM */
6692 if (QM_INIT(bp->qm_cid_count)) {
6693 ilt_client = &ilt->clients[ILT_CLIENT_QM];
6694 ilt_client->client_num = ILT_CLIENT_QM;
6695 ilt_client->page_size = QM_ILT_PAGE_SZ;
6696 ilt_client->flags = 0;
6697 ilt_client->start = line;
6698
6699 /* 4 bytes for each cid */
6700 line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
6701 QM_ILT_PAGE_SZ);
6702
6703 ilt_client->end = line - 1;
6704
6705 DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
6706 "flags 0x%x, hw psz %d\n",
6707 ilt_client->start,
6708 ilt_client->end,
6709 ilt_client->page_size,
6710 ilt_client->flags,
6711 ilog2(ilt_client->page_size >> 12));
6712
6713 }
6714 /* SRC */
6715 ilt_client = &ilt->clients[ILT_CLIENT_SRC];
6716#ifdef BCM_CNIC
6717 ilt_client->client_num = ILT_CLIENT_SRC;
6718 ilt_client->page_size = SRC_ILT_PAGE_SZ;
6719 ilt_client->flags = 0;
6720 ilt_client->start = line;
6721 line += SRC_ILT_LINES;
6722 ilt_client->end = line - 1;
6723
6724 DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
6725 "flags 0x%x, hw psz %d\n",
6726 ilt_client->start,
6727 ilt_client->end,
6728 ilt_client->page_size,
6729 ilt_client->flags,
6730 ilog2(ilt_client->page_size >> 12));
6731
6732#else
6733 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6734#endif
6735
6736 /* TM */
6737 ilt_client = &ilt->clients[ILT_CLIENT_TM];
6738#ifdef BCM_CNIC
6739 ilt_client->client_num = ILT_CLIENT_TM;
6740 ilt_client->page_size = TM_ILT_PAGE_SZ;
6741 ilt_client->flags = 0;
6742 ilt_client->start = line;
6743 line += TM_ILT_LINES;
6744 ilt_client->end = line - 1;
6745
6746 DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
6747 "flags 0x%x, hw psz %d\n",
6748 ilt_client->start,
6749 ilt_client->end,
6750 ilt_client->page_size,
6751 ilt_client->flags,
6752 ilog2(ilt_client->page_size >> 12));
6753
6754#else
6755 ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
6756#endif
6757}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00006758
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006759int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
6760 int is_leading)
6761{
6762 struct bnx2x_client_init_params params = { {0} };
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006763 int rc;
6764
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006765 /* reset IGU state skip FCoE L2 queue */
6766 if (!IS_FCOE_FP(fp))
6767 bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006768 IGU_INT_ENABLE, 0);
6769
6770 params.ramrod_params.pstate = &fp->state;
6771 params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
6772 params.ramrod_params.index = fp->index;
6773 params.ramrod_params.cid = fp->cid;
6774
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006775#ifdef BCM_CNIC
6776 if (IS_FCOE_FP(fp))
6777 params.ramrod_params.flags |= CLIENT_IS_FCOE;
6778
6779#endif
6780
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006781 if (is_leading)
6782 params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
6783
6784 bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);
6785
6786 bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);
6787
6788 rc = bnx2x_setup_fw_client(bp, &params, 1,
6789 bnx2x_sp(bp, client_init_data),
6790 bnx2x_sp_mapping(bp, client_init_data));
6791 return rc;
6792}
6793
stephen hemminger8d962862010-10-21 07:50:56 +00006794static int bnx2x_stop_fw_client(struct bnx2x *bp,
6795 struct bnx2x_client_ramrod_params *p)
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006796{
6797 int rc;
6798
6799 int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
6800
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006801 /* halt the connection */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006802 *p->pstate = BNX2X_FP_STATE_HALTING;
6803 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
6804 p->cl_id, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006805
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006806 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006807 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
6808 p->pstate, poll_flag);
Eliezer Tamirc14423f2008-02-28 11:49:42 -08006809 if (rc) /* timeout */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006810 return rc;
6811
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006812 *p->pstate = BNX2X_FP_STATE_TERMINATING;
6813 bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
6814 p->cl_id, 0);
6815 /* Wait for completion */
6816 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
6817 p->pstate, poll_flag);
6818 if (rc) /* timeout */
6819 return rc;
6820
6821
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006822 /* delete cfc entry */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006823 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006824
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006825 /* Wait for completion */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006826 rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
6827 p->pstate, WAIT_RAMROD_COMMON);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006828 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006829}
6830
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006831static int bnx2x_stop_client(struct bnx2x *bp, int index)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006832{
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006833 struct bnx2x_client_ramrod_params client_stop = {0};
6834 struct bnx2x_fastpath *fp = &bp->fp[index];
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006835
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006836 client_stop.index = index;
6837 client_stop.cid = fp->cid;
6838 client_stop.cl_id = fp->cl_id;
6839 client_stop.pstate = &(fp->state);
6840 client_stop.poll = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006841
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006842 return bnx2x_stop_fw_client(bp, &client_stop);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02006843}
6844
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006845
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006846static void bnx2x_reset_func(struct bnx2x *bp)
6847{
6848 int port = BP_PORT(bp);
6849 int func = BP_FUNC(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006850 int i;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006851 int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006852 (CHIP_IS_E2(bp) ?
6853 offsetof(struct hc_status_block_data_e2, common) :
6854 offsetof(struct hc_status_block_data_e1x, common));
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006855 int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
6856 int pfid_offset = offsetof(struct pci_entity, pf_id);
6857
6858 /* Disable the function in the FW */
6859 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
6860 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
6861 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
6862 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);
6863
6864 /* FP SBs */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006865 for_each_eth_queue(bp, i) {
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006866 struct bnx2x_fastpath *fp = &bp->fp[i];
6867 REG_WR8(bp,
6868 BAR_CSTRORM_INTMEM +
6869 CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
6870 + pfunc_offset_fp + pfid_offset,
6871 HC_FUNCTION_DISABLED);
6872 }
6873
6874 /* SP SB */
6875 REG_WR8(bp,
6876 BAR_CSTRORM_INTMEM +
6877 CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
6878 pfunc_offset_sp + pfid_offset,
6879 HC_FUNCTION_DISABLED);
6880
6881
6882 for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
6883 REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
6884 0);
Eliezer Tamir49d66772008-02-28 11:53:13 -08006885
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006886 /* Configure IGU */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006887 if (bp->common.int_block == INT_BLOCK_HC) {
6888 REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
6889 REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
6890 } else {
6891 REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
6892 REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
6893 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006894
Michael Chan37b091b2009-10-10 13:46:55 +00006895#ifdef BCM_CNIC
6896 /* Disable Timer scan */
6897 REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
6898 /*
6899 * Wait for at least 10ms and up to 2 second for the timers scan to
6900 * complete
6901 */
6902 for (i = 0; i < 200; i++) {
6903 msleep(10);
6904 if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
6905 break;
6906 }
6907#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006908 /* Clear ILT */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006909 bnx2x_clear_func_ilt(bp, func);
6910
6911 /* Timers workaround bug for E2: if this is vnic-3,
6912 * we need to set the entire ilt range for this timers.
6913 */
6914 if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
6915 struct ilt_client_info ilt_cli;
6916 /* use dummy TM client */
6917 memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
6918 ilt_cli.start = 0;
6919 ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
6920 ilt_cli.client_num = ILT_CLIENT_TM;
6921
6922 bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
6923 }
6924
6925 /* this assumes that reset_port() called before reset_func()*/
6926 if (CHIP_IS_E2(bp))
6927 bnx2x_pf_disable(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00006928
6929 bp->dmae_ready = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006930}
6931
6932static void bnx2x_reset_port(struct bnx2x *bp)
6933{
6934 int port = BP_PORT(bp);
6935 u32 val;
6936
6937 REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
6938
6939 /* Do not rcv packets to BRB */
6940 REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
6941 /* Do not direct rcv packets that are not for MCP to the BRB */
6942 REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
6943 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
6944
6945 /* Configure AEU */
6946 REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);
6947
6948 msleep(100);
6949 /* Check for BRB port occupancy */
6950 val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
6951 if (val)
6952 DP(NETIF_MSG_IFDOWN,
Eilon Greenstein33471622008-08-13 15:59:08 -07006953 "BRB1 is not empty %d blocks are occupied\n", val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006954
6955 /* TODO: Close Doorbell port? */
6956}
6957
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006958static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
6959{
6960 DP(BNX2X_MSG_MCP, "function %d reset_code %x\n",
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00006961 BP_ABS_FUNC(bp), reset_code);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07006962
6963 switch (reset_code) {
6964 case FW_MSG_CODE_DRV_UNLOAD_COMMON:
6965 bnx2x_reset_port(bp);
6966 bnx2x_reset_func(bp);
6967 bnx2x_reset_common(bp);
6968 break;
6969
6970 case FW_MSG_CODE_DRV_UNLOAD_PORT:
6971 bnx2x_reset_port(bp);
6972 bnx2x_reset_func(bp);
6973 break;
6974
6975 case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
6976 bnx2x_reset_func(bp);
6977 break;
6978
6979 default:
6980 BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
6981 break;
6982 }
6983}
6984
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00006985#ifdef BCM_CNIC
6986static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
6987{
6988 if (bp->flags & FCOE_MACS_SET) {
6989 if (!IS_MF_SD(bp))
6990 bnx2x_set_fip_eth_mac_addr(bp, 0);
6991
6992 bnx2x_set_all_enode_macs(bp, 0);
6993
6994 bp->flags &= ~FCOE_MACS_SET;
6995 }
6996}
6997#endif
6998
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00006999void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007000{
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007001 int port = BP_PORT(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007002 u32 reset_code = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007003 int i, cnt, rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007004
Eilon Greenstein555f6c72009-02-12 08:36:11 +00007005 /* Wait until tx fastpath tasks complete */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007006 for_each_tx_queue(bp, i) {
Eliezer Tamir228241e2008-02-28 11:56:57 -08007007 struct bnx2x_fastpath *fp = &bp->fp[i];
7008
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007009 cnt = 1000;
Vladislav Zolotarove8b5fc52009-01-26 12:36:42 -08007010 while (bnx2x_has_tx_work_unload(fp)) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007011
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007012 if (!cnt) {
7013 BNX2X_ERR("timeout waiting for queue[%d]\n",
7014 i);
7015#ifdef BNX2X_STOP_ON_ERROR
7016 bnx2x_panic();
7017 return -EBUSY;
7018#else
7019 break;
7020#endif
7021 }
7022 cnt--;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007023 msleep(1);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007024 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08007025 }
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007026 /* Give HW time to discard old tx messages */
7027 msleep(1);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007028
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007029 bnx2x_set_eth_mac(bp, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007030
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08007031 bnx2x_invalidate_uc_list(bp);
7032
7033 if (CHIP_IS_E1(bp))
7034 bnx2x_invalidate_e1_mc_list(bp);
7035 else {
7036 bnx2x_invalidate_e1h_mc_list(bp);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007037 REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
Yitchak Gertner65abd742008-08-25 15:26:24 -07007038 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007039
Michael Chan993ac7b2009-10-10 13:46:56 +00007040#ifdef BCM_CNIC
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007041 bnx2x_del_fcoe_eth_macs(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +00007042#endif
Yitchak Gertner65abd742008-08-25 15:26:24 -07007043
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007044 if (unload_mode == UNLOAD_NORMAL)
7045 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007046
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007047 else if (bp->flags & NO_WOL_FLAG)
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007048 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007049
Eilon Greenstein7d0446c2009-07-29 00:20:10 +00007050 else if (bp->wol) {
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007051 u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007052 u8 *mac_addr = bp->dev->dev_addr;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007053 u32 val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007054 /* The mac address is written to entries 1-4 to
7055 preserve entry 0 which is used by the PMF */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007056 u8 entry = (BP_E1HVN(bp) + 1)*8;
7057
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007058 val = (mac_addr[0] << 8) | mac_addr[1];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007059 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007060
7061 val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
7062 (mac_addr[4] << 8) | mac_addr[5];
Eilon Greenstein3196a882008-08-13 15:58:49 -07007063 EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007064
7065 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
Eliezer Tamir228241e2008-02-28 11:56:57 -08007066
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007067 } else
7068 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7069
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007070 /* Close multi and leading connections
7071 Completions for ramrods are collected in a synchronous way */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007072 for_each_queue(bp, i)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007073
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007074 if (bnx2x_stop_client(bp, i))
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007075#ifdef BNX2X_STOP_ON_ERROR
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007076 return;
7077#else
7078 goto unload_error;
7079#endif
7080
7081 rc = bnx2x_func_stop(bp);
7082 if (rc) {
7083 BNX2X_ERR("Function stop failed!\n");
7084#ifdef BNX2X_STOP_ON_ERROR
7085 return;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007086#else
7087 goto unload_error;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007088#endif
Eliezer Tamir228241e2008-02-28 11:56:57 -08007089 }
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007090#ifndef BNX2X_STOP_ON_ERROR
Eliezer Tamir228241e2008-02-28 11:56:57 -08007091unload_error:
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007092#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007093 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007094 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007095 else {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007096 DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d] "
7097 "%d, %d, %d\n", BP_PATH(bp),
7098 load_count[BP_PATH(bp)][0],
7099 load_count[BP_PATH(bp)][1],
7100 load_count[BP_PATH(bp)][2]);
7101 load_count[BP_PATH(bp)][0]--;
7102 load_count[BP_PATH(bp)][1 + port]--;
7103 DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d] "
7104 "%d, %d, %d\n", BP_PATH(bp),
7105 load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
7106 load_count[BP_PATH(bp)][2]);
7107 if (load_count[BP_PATH(bp)][0] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007108 reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007109 else if (load_count[BP_PATH(bp)][1 + port] == 0)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007110 reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
7111 else
7112 reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
7113 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007114
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007115 if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
7116 (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
7117 bnx2x__link_reset(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007118
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007119 /* Disable HW interrupts, NAPI */
7120 bnx2x_netif_stop(bp, 1);
7121
7122 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00007123 bnx2x_free_irq(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007124
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007125 /* Reset the chip */
Eliezer Tamir228241e2008-02-28 11:56:57 -08007126 bnx2x_reset_chip(bp, reset_code);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007127
7128 /* Report UNLOAD_DONE to MCP */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007129 if (!BP_NOMCP(bp))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007130 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Eilon Greenstein356e2382009-02-12 08:38:32 +00007131
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007132}
7133
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00007134void bnx2x_disable_close_the_gate(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007135{
7136 u32 val;
7137
7138 DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");
7139
7140 if (CHIP_IS_E1(bp)) {
7141 int port = BP_PORT(bp);
7142 u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7143 MISC_REG_AEU_MASK_ATTN_FUNC_0;
7144
7145 val = REG_RD(bp, addr);
7146 val &= ~(0x300);
7147 REG_WR(bp, addr, val);
7148 } else if (CHIP_IS_E1H(bp)) {
7149 val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
7150 val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
7151 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
7152 REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
7153 }
7154}
7155
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007156/* Close gates #2, #3 and #4: */
7157static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
7158{
7159 u32 val, addr;
7160
7161 /* Gates #2 and #4a are closed/opened for "not E1" only */
7162 if (!CHIP_IS_E1(bp)) {
7163 /* #4 */
7164 val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
7165 REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
7166 close ? (val | 0x1) : (val & (~(u32)1)));
7167 /* #2 */
7168 val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
7169 REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
7170 close ? (val | 0x1) : (val & (~(u32)1)));
7171 }
7172
7173 /* #3 */
7174 addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
7175 val = REG_RD(bp, addr);
7176 REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));
7177
7178 DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
7179 close ? "closing" : "opening");
7180 mmiowb();
7181}
7182
7183#define SHARED_MF_CLP_MAGIC 0x80000000 /* `magic' bit */
7184
7185static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
7186{
7187 /* Do some magic... */
7188 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7189 *magic_val = val & SHARED_MF_CLP_MAGIC;
7190 MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
7191}
7192
Dmitry Kravkove8920672011-05-04 23:52:40 +00007193/**
7194 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007195 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007196 * @bp: driver handle
7197 * @magic_val: old value of the `magic' bit.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007198 */
7199static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
7200{
7201 /* Restore the `magic' bit value... */
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007202 u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
7203 MF_CFG_WR(bp, shared_mf_config.clp_mb,
7204 (val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
7205}
7206
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007207/**
Dmitry Kravkove8920672011-05-04 23:52:40 +00007208 * bnx2x_reset_mcp_prep - prepare for MCP reset.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007209 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007210 * @bp: driver handle
7211 * @magic_val: old value of 'magic' bit.
7212 *
7213 * Takes care of CLP configurations.
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007214 */
7215static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
7216{
7217 u32 shmem;
7218 u32 validity_offset;
7219
7220 DP(NETIF_MSG_HW, "Starting\n");
7221
7222 /* Set `magic' bit in order to save MF config */
7223 if (!CHIP_IS_E1(bp))
7224 bnx2x_clp_reset_prep(bp, magic_val);
7225
7226 /* Get shmem offset */
7227 shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7228 validity_offset = offsetof(struct shmem_region, validity_map[0]);
7229
7230 /* Clear validity map flags */
7231 if (shmem > 0)
7232 REG_WR(bp, shmem + validity_offset, 0);
7233}
7234
7235#define MCP_TIMEOUT 5000 /* 5 seconds (in ms) */
7236#define MCP_ONE_TIMEOUT 100 /* 100 ms */
7237
Dmitry Kravkove8920672011-05-04 23:52:40 +00007238/**
7239 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007240 *
Dmitry Kravkove8920672011-05-04 23:52:40 +00007241 * @bp: driver handle
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007242 */
7243static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
7244{
7245 /* special handling for emulation and FPGA,
7246 wait 10 times longer */
7247 if (CHIP_REV_IS_SLOW(bp))
7248 msleep(MCP_ONE_TIMEOUT*10);
7249 else
7250 msleep(MCP_ONE_TIMEOUT);
7251}
7252
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007253/*
7254 * initializes bp->common.shmem_base and waits for validity signature to appear
7255 */
7256static int bnx2x_init_shmem(struct bnx2x *bp)
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007257{
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007258 int cnt = 0;
7259 u32 val = 0;
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007260
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007261 do {
7262 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
7263 if (bp->common.shmem_base) {
7264 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
7265 if (val & SHR_MEM_VALIDITY_MB)
7266 return 0;
7267 }
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007268
7269 bnx2x_mcp_wait_one(bp);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007270
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007271 } while (cnt++ < (MCP_TIMEOUT / MCP_ONE_TIMEOUT));
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007272
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007273 BNX2X_ERR("BAD MCP validity signature\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007274
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007275 return -ENODEV;
7276}
7277
7278static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
7279{
7280 int rc = bnx2x_init_shmem(bp);
7281
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007282 /* Restore the `magic' bit value */
7283 if (!CHIP_IS_E1(bp))
7284 bnx2x_clp_reset_done(bp, magic_val);
7285
7286 return rc;
7287}
7288
7289static void bnx2x_pxp_prep(struct bnx2x *bp)
7290{
7291 if (!CHIP_IS_E1(bp)) {
7292 REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
7293 REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
7294 REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
7295 mmiowb();
7296 }
7297}
7298
7299/*
7300 * Reset the whole chip except for:
7301 * - PCIE core
7302 * - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
7303 * one reset bit)
7304 * - IGU
7305 * - MISC (including AEU)
7306 * - GRC
7307 * - RBCN, RBCP
7308 */
7309static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
7310{
7311 u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;
7312
7313 not_reset_mask1 =
7314 MISC_REGISTERS_RESET_REG_1_RST_HC |
7315 MISC_REGISTERS_RESET_REG_1_RST_PXPV |
7316 MISC_REGISTERS_RESET_REG_1_RST_PXP;
7317
7318 not_reset_mask2 =
7319 MISC_REGISTERS_RESET_REG_2_RST_MDIO |
7320 MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
7321 MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
7322 MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
7323 MISC_REGISTERS_RESET_REG_2_RST_RBCN |
7324 MISC_REGISTERS_RESET_REG_2_RST_GRC |
7325 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
7326 MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;
7327
7328 reset_mask1 = 0xffffffff;
7329
7330 if (CHIP_IS_E1(bp))
7331 reset_mask2 = 0xffff;
7332 else
7333 reset_mask2 = 0x1ffff;
7334
7335 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7336 reset_mask1 & (~not_reset_mask1));
7337 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7338 reset_mask2 & (~not_reset_mask2));
7339
7340 barrier();
7341 mmiowb();
7342
7343 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
7344 REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
7345 mmiowb();
7346}
7347
7348static int bnx2x_process_kill(struct bnx2x *bp)
7349{
7350 int cnt = 1000;
7351 u32 val = 0;
7352 u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;
7353
7354
7355 /* Empty the Tetris buffer, wait for 1s */
7356 do {
7357 sr_cnt = REG_RD(bp, PXP2_REG_RD_SR_CNT);
7358 blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
7359 port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
7360 port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
7361 pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
7362 if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
7363 ((port_is_idle_0 & 0x1) == 0x1) &&
7364 ((port_is_idle_1 & 0x1) == 0x1) &&
7365 (pgl_exp_rom2 == 0xffffffff))
7366 break;
7367 msleep(1);
7368 } while (cnt-- > 0);
7369
7370 if (cnt <= 0) {
7371 DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
7372 " are still"
7373 " outstanding read requests after 1s!\n");
7374 DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
7375 " port_is_idle_0=0x%08x,"
7376 " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
7377 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
7378 pgl_exp_rom2);
7379 return -EAGAIN;
7380 }
7381
7382 barrier();
7383
7384 /* Close gates #2, #3 and #4 */
7385 bnx2x_set_234_gates(bp, true);
7386
7387 /* TBD: Indicate that "process kill" is in progress to MCP */
7388
7389 /* Clear "unprepared" bit */
7390 REG_WR(bp, MISC_REG_UNPREPARED, 0);
7391 barrier();
7392
7393 /* Make sure all is written to the chip before the reset */
7394 mmiowb();
7395
7396 /* Wait for 1ms to empty GLUE and PCI-E core queues,
7397 * PSWHST, GRC and PSWRD Tetris buffer.
7398 */
7399 msleep(1);
7400
7401 /* Prepare to chip reset: */
7402 /* MCP */
7403 bnx2x_reset_mcp_prep(bp, &val);
7404
7405 /* PXP */
7406 bnx2x_pxp_prep(bp);
7407 barrier();
7408
7409 /* reset the chip */
7410 bnx2x_process_kill_chip_reset(bp);
7411 barrier();
7412
7413 /* Recover after reset: */
7414 /* MCP */
7415 if (bnx2x_reset_mcp_comp(bp, val))
7416 return -EAGAIN;
7417
7418 /* PXP */
7419 bnx2x_pxp_prep(bp);
7420
7421 /* Open the gates #2, #3 and #4 */
7422 bnx2x_set_234_gates(bp, false);
7423
7424 /* TBD: IGU/AEU preparation bring back the AEU/IGU to a
7425 * reset state, re-enable attentions. */
7426
7427 return 0;
7428}
7429
7430static int bnx2x_leader_reset(struct bnx2x *bp)
7431{
7432 int rc = 0;
7433 /* Try to recover after the failure */
7434 if (bnx2x_process_kill(bp)) {
7435 printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
7436 bp->dev->name);
7437 rc = -EAGAIN;
7438 goto exit_leader_reset;
7439 }
7440
7441 /* Clear "reset is in progress" bit and update the driver state */
7442 bnx2x_set_reset_done(bp);
7443 bp->recovery_state = BNX2X_RECOVERY_DONE;
7444
7445exit_leader_reset:
7446 bp->is_leader = 0;
7447 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
7448 smp_wmb();
7449 return rc;
7450}
7451
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007452/* Assumption: runs under rtnl lock. This together with the fact
7453 * that it's called only from bnx2x_reset_task() ensure that it
7454 * will never be called when netif_running(bp->dev) is false.
7455 */
7456static void bnx2x_parity_recover(struct bnx2x *bp)
7457{
7458 DP(NETIF_MSG_HW, "Handling parity\n");
7459 while (1) {
7460 switch (bp->recovery_state) {
7461 case BNX2X_RECOVERY_INIT:
7462 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
7463 /* Try to get a LEADER_LOCK HW lock */
7464 if (bnx2x_trylock_hw_lock(bp,
7465 HW_LOCK_RESOURCE_RESERVED_08))
7466 bp->is_leader = 1;
7467
7468 /* Stop the driver */
7469 /* If interface has been removed - break */
7470 if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
7471 return;
7472
7473 bp->recovery_state = BNX2X_RECOVERY_WAIT;
7474 /* Ensure "is_leader" and "recovery_state"
7475 * update values are seen on other CPUs
7476 */
7477 smp_wmb();
7478 break;
7479
7480 case BNX2X_RECOVERY_WAIT:
7481 DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
7482 if (bp->is_leader) {
7483 u32 load_counter = bnx2x_get_load_cnt(bp);
7484 if (load_counter) {
7485 /* Wait until all other functions get
7486 * down.
7487 */
7488 schedule_delayed_work(&bp->reset_task,
7489 HZ/10);
7490 return;
7491 } else {
7492 /* If all other functions got down -
7493 * try to bring the chip back to
7494 * normal. In any case it's an exit
7495 * point for a leader.
7496 */
7497 if (bnx2x_leader_reset(bp) ||
7498 bnx2x_nic_load(bp, LOAD_NORMAL)) {
7499 printk(KERN_ERR"%s: Recovery "
7500 "has failed. Power cycle is "
7501 "needed.\n", bp->dev->name);
7502 /* Disconnect this device */
7503 netif_device_detach(bp->dev);
7504 /* Block ifup for all function
7505 * of this ASIC until
7506 * "process kill" or power
7507 * cycle.
7508 */
7509 bnx2x_set_reset_in_progress(bp);
7510 /* Shut down the power */
7511 bnx2x_set_power_state(bp,
7512 PCI_D3hot);
7513 return;
7514 }
7515
7516 return;
7517 }
7518 } else { /* non-leader */
7519 if (!bnx2x_reset_is_done(bp)) {
7520 /* Try to get a LEADER_LOCK HW lock as
7521 * long as a former leader may have
7522 * been unloaded by the user or
7523 * released a leadership by another
7524 * reason.
7525 */
7526 if (bnx2x_trylock_hw_lock(bp,
7527 HW_LOCK_RESOURCE_RESERVED_08)) {
7528 /* I'm a leader now! Restart a
7529 * switch case.
7530 */
7531 bp->is_leader = 1;
7532 break;
7533 }
7534
7535 schedule_delayed_work(&bp->reset_task,
7536 HZ/10);
7537 return;
7538
7539 } else { /* A leader has completed
7540 * the "process kill". It's an exit
7541 * point for a non-leader.
7542 */
7543 bnx2x_nic_load(bp, LOAD_NORMAL);
7544 bp->recovery_state =
7545 BNX2X_RECOVERY_DONE;
7546 smp_wmb();
7547 return;
7548 }
7549 }
7550 default:
7551 return;
7552 }
7553 }
7554}
7555
7556/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
7557 * scheduled on a general queue in order to prevent a dead lock.
7558 */
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007559static void bnx2x_reset_task(struct work_struct *work)
7560{
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007561 struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007562
7563#ifdef BNX2X_STOP_ON_ERROR
7564 BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
7565 " so reset not done to allow debug dump,\n"
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007566 KERN_ERR " you will need to reboot when done\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007567 return;
7568#endif
7569
7570 rtnl_lock();
7571
7572 if (!netif_running(bp->dev))
7573 goto reset_task_exit;
7574
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00007575 if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
7576 bnx2x_parity_recover(bp);
7577 else {
7578 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
7579 bnx2x_nic_load(bp, LOAD_NORMAL);
7580 }
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007581
7582reset_task_exit:
7583 rtnl_unlock();
7584}
7585
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007586/* end of nic load/unload */
7587
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007588/*
7589 * Init service functions
7590 */
7591
stephen hemminger8d962862010-10-21 07:50:56 +00007592static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007593{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007594 u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
7595 u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
7596 return base + (BP_ABS_FUNC(bp)) * stride;
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007597}
7598
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007599static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007600{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007601 u32 reg = bnx2x_get_pretend_reg(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007602
7603 /* Flush all outstanding writes */
7604 mmiowb();
7605
7606 /* Pretend to be function 0 */
7607 REG_WR(bp, reg, 0);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007608 REG_RD(bp, reg); /* Flush the GRC transaction (in the chip) */
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007609
7610 /* From now we are in the "like-E1" mode */
7611 bnx2x_int_disable(bp);
7612
7613 /* Flush all outstanding writes */
7614 mmiowb();
7615
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007616 /* Restore the original function */
7617 REG_WR(bp, reg, BP_ABS_FUNC(bp));
7618 REG_RD(bp, reg);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007619}
7620
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007621static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007622{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007623 if (CHIP_IS_E1(bp))
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007624 bnx2x_int_disable(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007625 else
7626 bnx2x_undi_int_disable_e1h(bp);
Eilon Greensteinf1ef27e2009-02-12 08:36:23 +00007627}
7628
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007629static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007630{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007631 u32 val;
7632
7633 /* Check if there is any driver already loaded */
7634 val = REG_RD(bp, MISC_REG_UNPREPARED);
7635 if (val == 0x1) {
7636 /* Check if it is the UNDI driver
7637 * UNDI driver initializes CID offset for normal bell to 0x7
7638 */
Yitchak Gertner4a37fb62008-08-13 15:50:23 -07007639 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007640 val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
7641 if (val == 0x7) {
7642 u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007643 /* save our pf_num */
7644 int orig_pf_num = bp->pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007645 u32 swap_en;
7646 u32 swap_val;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007647
Eilon Greensteinb4661732009-01-14 06:43:56 +00007648 /* clear the UNDI indication */
7649 REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);
7650
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007651 BNX2X_DEV_INFO("UNDI is active! reset device\n");
7652
7653 /* try unload UNDI on port 0 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007654 bp->pf_num = 0;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007655 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007656 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007657 DRV_MSG_SEQ_NUMBER_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007658 reset_code = bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007659
7660 /* if UNDI is loaded on the other port */
7661 if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {
7662
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007663 /* send "DONE" for previous unload */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007664 bnx2x_fw_command(bp,
7665 DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007666
7667 /* unload UNDI on port 1 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007668 bp->pf_num = 1;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007669 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007670 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007671 DRV_MSG_SEQ_NUMBER_MASK);
7672 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007673
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007674 bnx2x_fw_command(bp, reset_code, 0);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007675 }
7676
Eilon Greensteinb4661732009-01-14 06:43:56 +00007677 /* now it's safe to release the lock */
7678 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7679
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007680 bnx2x_undi_int_disable(bp);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007681
7682 /* close input traffic and wait for it */
7683 /* Do not rcv packets to BRB */
7684 REG_WR(bp,
7685 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
7686 NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
7687 /* Do not direct rcv packets that are not for MCP to
7688 * the BRB */
7689 REG_WR(bp,
7690 (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
7691 NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
7692 /* clear AEU */
7693 REG_WR(bp,
7694 (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
7695 MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
7696 msleep(10);
7697
7698 /* save NIG port swap info */
7699 swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
7700 swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007701 /* reset device */
7702 REG_WR(bp,
7703 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007704 0xd3ffffff);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007705 REG_WR(bp,
7706 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
7707 0x1403);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007708 /* take the NIG out of reset and restore swap values */
7709 REG_WR(bp,
7710 GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
7711 MISC_REGISTERS_RESET_REG_1_RST_NIG);
7712 REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
7713 REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);
7714
7715 /* send unload done to the MCP */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007716 bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007717
7718 /* restore our func and fw_seq */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007719 bp->pf_num = orig_pf_num;
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007720 bp->fw_seq =
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007721 (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07007722 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greensteinb4661732009-01-14 06:43:56 +00007723 } else
7724 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007725 }
7726}
7727
7728static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
7729{
7730 u32 val, val2, val3, val4, id;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007731 u16 pmc;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007732
7733 /* Get the chip revision id and number. */
7734 /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
7735 val = REG_RD(bp, MISC_REG_CHIP_NUM);
7736 id = ((val & 0xffff) << 16);
7737 val = REG_RD(bp, MISC_REG_CHIP_REV);
7738 id |= ((val & 0xf) << 12);
7739 val = REG_RD(bp, MISC_REG_CHIP_METAL);
7740 id |= ((val & 0xff) << 4);
Eilon Greenstein5a40e082009-01-14 06:44:04 +00007741 val = REG_RD(bp, MISC_REG_BOND_ID);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007742 id |= (val & 0xf);
7743 bp->common.chip_id = id;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007744
7745 /* Set doorbell size */
7746 bp->db_size = (1 << BNX2X_DB_SHIFT);
7747
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007748 if (CHIP_IS_E2(bp)) {
7749 val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
7750 if ((val & 1) == 0)
7751 val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
7752 else
7753 val = (val >> 1) & 1;
7754 BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
7755 "2_PORT_MODE");
7756 bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
7757 CHIP_2_PORT_MODE;
7758
7759 if (CHIP_MODE_IS_4_PORT(bp))
7760 bp->pfid = (bp->pf_num >> 1); /* 0..3 */
7761 else
7762 bp->pfid = (bp->pf_num & 0x6); /* 0, 2, 4, 6 */
7763 } else {
7764 bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
7765 bp->pfid = bp->pf_num; /* 0..7 */
7766 }
7767
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007768 /*
7769 * set base FW non-default (fast path) status block id, this value is
7770 * used to initialize the fw_sb_id saved on the fp/queue structure to
7771 * determine the id used by the FW.
7772 */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007773 if (CHIP_IS_E1x(bp))
7774 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
7775 else /* E2 */
7776 bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;
7777
7778 bp->link_params.chip_id = bp->common.chip_id;
7779 BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00007780
Eilon Greenstein1c063282009-02-12 08:36:43 +00007781 val = (REG_RD(bp, 0x2874) & 0x55);
7782 if ((bp->common.chip_id & 0x1) ||
7783 (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
7784 bp->flags |= ONE_PORT_FLAG;
7785 BNX2X_DEV_INFO("single port device\n");
7786 }
7787
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007788 val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
7789 bp->common.flash_size = (NVRAM_1MB_SIZE <<
7790 (val & MCPR_NVM_CFG4_FLASH_SIZE));
7791 BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
7792 bp->common.flash_size, bp->common.flash_size);
7793
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007794 bnx2x_init_shmem(bp);
7795
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007796 bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
7797 MISC_REG_GENERIC_CR_1 :
7798 MISC_REG_GENERIC_CR_0));
Dmitry Kravkov1b6e2ce2011-05-22 10:11:26 +00007799
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007800 bp->link_params.shmem_base = bp->common.shmem_base;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007801 bp->link_params.shmem2_base = bp->common.shmem2_base;
Eilon Greenstein2691d512009-08-12 08:22:08 +00007802 BNX2X_DEV_INFO("shmem offset 0x%x shmem2 offset 0x%x\n",
7803 bp->common.shmem_base, bp->common.shmem2_base);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007804
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007805 if (!bp->common.shmem_base) {
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007806 BNX2X_DEV_INFO("MCP not active\n");
7807 bp->flags |= NO_MCP_FLAG;
7808 return;
7809 }
7810
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007811 bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
Eilon Greenstein35b19ba2009-02-12 08:36:47 +00007812 BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007813
7814 bp->link_params.hw_led_mode = ((bp->common.hw_config &
7815 SHARED_HW_CFG_LED_MODE_MASK) >>
7816 SHARED_HW_CFG_LED_MODE_SHIFT);
7817
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00007818 bp->link_params.feature_config_flags = 0;
7819 val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
7820 if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
7821 bp->link_params.feature_config_flags |=
7822 FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7823 else
7824 bp->link_params.feature_config_flags &=
7825 ~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
7826
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007827 val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
7828 bp->common.bc_ver = val;
7829 BNX2X_DEV_INFO("bc_ver %X\n", val);
7830 if (val < BNX2X_BC_VER) {
7831 /* for now only warn
7832 * later we might need to enforce this */
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007833 BNX2X_ERR("This driver needs bc_ver %X but found %X, "
7834 "please upgrade BC\n", BNX2X_BC_VER, val);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007835 }
Eilon Greenstein4d295db2009-07-21 05:47:47 +00007836 bp->link_params.feature_config_flags |=
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007837 (val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007838 FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
7839
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007840 bp->link_params.feature_config_flags |=
7841 (val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
7842 FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007843
Dmitry Kravkovf9a3ebb2011-05-04 23:49:11 +00007844 pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
7845 bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;
7846
Eilon Greenstein72ce58c2008-08-13 15:52:46 -07007847 BNX2X_DEV_INFO("%sWoL capable\n",
Eilon Greensteinf5372252009-02-12 08:38:30 +00007848 (bp->flags & NO_WOL_FLAG) ? "not " : "");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007849
7850 val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
7851 val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
7852 val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
7853 val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);
7854
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00007855 dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
7856 val, val2, val3, val4);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007857}
7858
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007859#define IGU_FID(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
7860#define IGU_VEC(val) GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)
7861
7862static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
7863{
7864 int pfid = BP_FUNC(bp);
7865 int vn = BP_E1HVN(bp);
7866 int igu_sb_id;
7867 u32 val;
7868 u8 fid;
7869
7870 bp->igu_base_sb = 0xff;
7871 bp->igu_sb_cnt = 0;
7872 if (CHIP_INT_MODE_IS_BC(bp)) {
7873 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007874 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007875
7876 bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
7877 FP_SB_MAX_E1x;
7878
7879 bp->igu_dsb_id = E1HVN_MAX * FP_SB_MAX_E1x +
7880 (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);
7881
7882 return;
7883 }
7884
7885 /* IGU in normal mode - read CAM */
7886 for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
7887 igu_sb_id++) {
7888 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
7889 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
7890 continue;
7891 fid = IGU_FID(val);
7892 if ((fid & IGU_FID_ENCODE_IS_PF)) {
7893 if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
7894 continue;
7895 if (IGU_VEC(val) == 0)
7896 /* default status block */
7897 bp->igu_dsb_id = igu_sb_id;
7898 else {
7899 if (bp->igu_base_sb == 0xff)
7900 bp->igu_base_sb = igu_sb_id;
7901 bp->igu_sb_cnt++;
7902 }
7903 }
7904 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00007905 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
7906 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00007907 if (bp->igu_sb_cnt == 0)
7908 BNX2X_ERR("CAM configuration error\n");
7909}
7910
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007911static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
7912 u32 switch_cfg)
7913{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007914 int cfg_size = 0, idx, port = BP_PORT(bp);
7915
7916 /* Aggregation of supported attributes of all external phys */
7917 bp->port.supported[0] = 0;
7918 bp->port.supported[1] = 0;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007919 switch (bp->link_params.num_phys) {
7920 case 1:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007921 bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
7922 cfg_size = 1;
7923 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007924 case 2:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007925 bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
7926 cfg_size = 1;
7927 break;
7928 case 3:
7929 if (bp->link_params.multi_phy_config &
7930 PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
7931 bp->port.supported[1] =
7932 bp->link_params.phy[EXT_PHY1].supported;
7933 bp->port.supported[0] =
7934 bp->link_params.phy[EXT_PHY2].supported;
7935 } else {
7936 bp->port.supported[0] =
7937 bp->link_params.phy[EXT_PHY1].supported;
7938 bp->port.supported[1] =
7939 bp->link_params.phy[EXT_PHY2].supported;
7940 }
7941 cfg_size = 2;
7942 break;
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007943 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007944
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007945 if (!(bp->port.supported[0] || bp->port.supported[1])) {
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007946 BNX2X_ERR("NVRAM config error. BAD phy config."
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007947 "PHY1 config 0x%x, PHY2 config 0x%x\n",
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007948 SHMEM_RD(bp,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007949 dev_info.port_hw_config[port].external_phy_config),
7950 SHMEM_RD(bp,
7951 dev_info.port_hw_config[port].external_phy_config2));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007952 return;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007953 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007954
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00007955 switch (switch_cfg) {
7956 case SWITCH_CFG_1G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007957 bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
7958 port*0x10);
7959 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007960 break;
7961
7962 case SWITCH_CFG_10G:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07007963 bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
7964 port*0x18);
7965 BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007966 break;
7967
7968 default:
7969 BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007970 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007971 return;
7972 }
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007973 /* mask what we support according to speed_cap_mask per configuration */
7974 for (idx = 0; idx < cfg_size; idx++) {
7975 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007976 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007977 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007978
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007979 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007980 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007981 bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007982
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007983 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007984 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007985 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007986
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007987 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007988 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007989 bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007990
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007991 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007992 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007993 bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00007994 SUPPORTED_1000baseT_Full);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007995
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007996 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07007997 PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00007998 bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02007999
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008000 if (!(bp->link_params.speed_cap_mask[idx] &
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008001 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008002 bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008003
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008004 }
8005
8006 BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
8007 bp->port.supported[1]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008008}
8009
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008010static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008011{
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008012 u32 link_config, idx, cfg_size = 0;
8013 bp->port.advertising[0] = 0;
8014 bp->port.advertising[1] = 0;
8015 switch (bp->link_params.num_phys) {
8016 case 1:
8017 case 2:
8018 cfg_size = 1;
8019 break;
8020 case 3:
8021 cfg_size = 2;
8022 break;
8023 }
8024 for (idx = 0; idx < cfg_size; idx++) {
8025 bp->link_params.req_duplex[idx] = DUPLEX_FULL;
8026 link_config = bp->port.link_config[idx];
8027 switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008028 case PORT_FEATURE_LINK_SPEED_AUTO:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008029 if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
8030 bp->link_params.req_line_speed[idx] =
8031 SPEED_AUTO_NEG;
8032 bp->port.advertising[idx] |=
8033 bp->port.supported[idx];
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008034 } else {
8035 /* force 10G, no AN */
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008036 bp->link_params.req_line_speed[idx] =
8037 SPEED_10000;
8038 bp->port.advertising[idx] |=
8039 (ADVERTISED_10000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008040 ADVERTISED_FIBRE);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008041 continue;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008042 }
8043 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008044
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008045 case PORT_FEATURE_LINK_SPEED_10M_FULL:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008046 if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
8047 bp->link_params.req_line_speed[idx] =
8048 SPEED_10;
8049 bp->port.advertising[idx] |=
8050 (ADVERTISED_10baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008051 ADVERTISED_TP);
8052 } else {
8053 BNX2X_ERROR("NVRAM config error. "
8054 "Invalid link_config 0x%x"
8055 " speed_cap_mask 0x%x\n",
8056 link_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008057 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008058 return;
8059 }
8060 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008061
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008062 case PORT_FEATURE_LINK_SPEED_10M_HALF:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008063 if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
8064 bp->link_params.req_line_speed[idx] =
8065 SPEED_10;
8066 bp->link_params.req_duplex[idx] =
8067 DUPLEX_HALF;
8068 bp->port.advertising[idx] |=
8069 (ADVERTISED_10baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008070 ADVERTISED_TP);
8071 } else {
8072 BNX2X_ERROR("NVRAM config error. "
8073 "Invalid link_config 0x%x"
8074 " speed_cap_mask 0x%x\n",
8075 link_config,
8076 bp->link_params.speed_cap_mask[idx]);
8077 return;
8078 }
8079 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008080
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008081 case PORT_FEATURE_LINK_SPEED_100M_FULL:
8082 if (bp->port.supported[idx] &
8083 SUPPORTED_100baseT_Full) {
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008084 bp->link_params.req_line_speed[idx] =
8085 SPEED_100;
8086 bp->port.advertising[idx] |=
8087 (ADVERTISED_100baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008088 ADVERTISED_TP);
8089 } else {
8090 BNX2X_ERROR("NVRAM config error. "
8091 "Invalid link_config 0x%x"
8092 " speed_cap_mask 0x%x\n",
8093 link_config,
8094 bp->link_params.speed_cap_mask[idx]);
8095 return;
8096 }
8097 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008098
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008099 case PORT_FEATURE_LINK_SPEED_100M_HALF:
8100 if (bp->port.supported[idx] &
8101 SUPPORTED_100baseT_Half) {
8102 bp->link_params.req_line_speed[idx] =
8103 SPEED_100;
8104 bp->link_params.req_duplex[idx] =
8105 DUPLEX_HALF;
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008106 bp->port.advertising[idx] |=
8107 (ADVERTISED_100baseT_Half |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008108 ADVERTISED_TP);
8109 } else {
8110 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008111 "Invalid link_config 0x%x"
8112 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008113 link_config,
8114 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008115 return;
8116 }
8117 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008118
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008119 case PORT_FEATURE_LINK_SPEED_1G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008120 if (bp->port.supported[idx] &
8121 SUPPORTED_1000baseT_Full) {
8122 bp->link_params.req_line_speed[idx] =
8123 SPEED_1000;
8124 bp->port.advertising[idx] |=
8125 (ADVERTISED_1000baseT_Full |
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008126 ADVERTISED_TP);
8127 } else {
8128 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008129 "Invalid link_config 0x%x"
8130 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008131 link_config,
8132 bp->link_params.speed_cap_mask[idx]);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008133 return;
8134 }
8135 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008136
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008137 case PORT_FEATURE_LINK_SPEED_2_5G:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008138 if (bp->port.supported[idx] &
8139 SUPPORTED_2500baseX_Full) {
8140 bp->link_params.req_line_speed[idx] =
8141 SPEED_2500;
8142 bp->port.advertising[idx] |=
8143 (ADVERTISED_2500baseX_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008144 ADVERTISED_TP);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008145 } else {
8146 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008147 "Invalid link_config 0x%x"
8148 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008149 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008150 bp->link_params.speed_cap_mask[idx]);
8151 return;
8152 }
8153 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008154
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008155 case PORT_FEATURE_LINK_SPEED_10G_CX4:
8156 case PORT_FEATURE_LINK_SPEED_10G_KX4:
8157 case PORT_FEATURE_LINK_SPEED_10G_KR:
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008158 if (bp->port.supported[idx] &
8159 SUPPORTED_10000baseT_Full) {
8160 bp->link_params.req_line_speed[idx] =
8161 SPEED_10000;
8162 bp->port.advertising[idx] |=
8163 (ADVERTISED_10000baseT_Full |
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008164 ADVERTISED_FIBRE);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008165 } else {
8166 BNX2X_ERROR("NVRAM config error. "
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008167 "Invalid link_config 0x%x"
8168 " speed_cap_mask 0x%x\n",
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008169 link_config,
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008170 bp->link_params.speed_cap_mask[idx]);
8171 return;
8172 }
8173 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008174
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008175 default:
8176 BNX2X_ERROR("NVRAM config error. "
8177 "BAD link speed link_config 0x%x\n",
8178 link_config);
8179 bp->link_params.req_line_speed[idx] =
8180 SPEED_AUTO_NEG;
8181 bp->port.advertising[idx] =
8182 bp->port.supported[idx];
8183 break;
8184 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008185
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008186 bp->link_params.req_flow_ctrl[idx] = (link_config &
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008187 PORT_FEATURE_FLOW_CONTROL_MASK);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008188 if ((bp->link_params.req_flow_ctrl[idx] ==
8189 BNX2X_FLOW_CTRL_AUTO) &&
8190 !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
8191 bp->link_params.req_flow_ctrl[idx] =
8192 BNX2X_FLOW_CTRL_NONE;
8193 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008194
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008195 BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl"
8196 " 0x%x advertising 0x%x\n",
8197 bp->link_params.req_line_speed[idx],
8198 bp->link_params.req_duplex[idx],
8199 bp->link_params.req_flow_ctrl[idx],
8200 bp->port.advertising[idx]);
8201 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008202}
8203
Michael Chane665bfd2009-10-10 13:46:54 +00008204static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
8205{
8206 mac_hi = cpu_to_be16(mac_hi);
8207 mac_lo = cpu_to_be32(mac_lo);
8208 memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
8209 memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
8210}
8211
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008212static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008213{
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008214 int port = BP_PORT(bp);
Eilon Greenstein589abe32009-02-12 08:36:55 +00008215 u32 config;
Joe Perches6f38ad92010-11-14 17:04:31 +00008216 u32 ext_phy_type, ext_phy_config;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008217
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008218 bp->link_params.bp = bp;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008219 bp->link_params.port = port;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008220
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008221 bp->link_params.lane_config =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008222 SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008223
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008224 bp->link_params.speed_cap_mask[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008225 SHMEM_RD(bp,
8226 dev_info.port_hw_config[port].speed_capability_mask);
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008227 bp->link_params.speed_cap_mask[1] =
8228 SHMEM_RD(bp,
8229 dev_info.port_hw_config[port].speed_capability_mask2);
8230 bp->port.link_config[0] =
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008231 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
8232
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008233 bp->port.link_config[1] =
8234 SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
Eilon Greensteinc2c8b032009-02-12 08:37:14 +00008235
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008236 bp->link_params.multi_phy_config =
8237 SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008238 /* If the device is capable of WoL, set the default state according
8239 * to the HW
8240 */
Eilon Greenstein4d295db2009-07-21 05:47:47 +00008241 config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
Eilon Greenstein3ce2c3f2009-02-12 08:37:52 +00008242 bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
8243 (config & PORT_FEATURE_WOL_ENABLED));
8244
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008245 BNX2X_DEV_INFO("lane_config 0x%08x "
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008246 "speed_cap_mask0 0x%08x link_config0 0x%08x\n",
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008247 bp->link_params.lane_config,
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008248 bp->link_params.speed_cap_mask[0],
8249 bp->port.link_config[0]);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008250
Yaniv Rosnera22f0782010-09-07 11:41:20 +00008251 bp->link_params.switch_cfg = (bp->port.link_config[0] &
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00008252 PORT_FEATURE_CONNECTED_SWITCH_MASK);
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008253 bnx2x_phy_probe(&bp->link_params);
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008254 bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008255
8256 bnx2x_link_settings_requested(bp);
8257
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008258 /*
8259 * If connected directly, work with the internal PHY, otherwise, work
8260 * with the external PHY
8261 */
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008262 ext_phy_config =
8263 SHMEM_RD(bp,
8264 dev_info.port_hw_config[port].external_phy_config);
8265 ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008266 if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008267 bp->mdio.prtad = bp->port.phy_addr;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008268
8269 else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
8270 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
8271 bp->mdio.prtad =
Yaniv Rosnerb7737c92010-09-07 11:40:54 +00008272 XGXS_EXT_PHY_ADDR(ext_phy_config);
Yaniv Rosner5866df62011-01-30 04:15:07 +00008273
8274 /*
8275 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
8276 * In MF mode, it is set to cover self test cases
8277 */
8278 if (IS_MF(bp))
8279 bp->port.need_hw_lock = 1;
8280 else
8281 bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
8282 bp->common.shmem_base,
8283 bp->common.shmem2_base);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008284}
Eilon Greenstein01cd4522009-08-12 08:23:08 +00008285
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008286#ifdef BCM_CNIC
8287static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
8288{
8289 u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8290 drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
8291 u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
8292 drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
8293
8294 /* Get the number of maximum allowed iSCSI and FCoE connections */
8295 bp->cnic_eth_dev.max_iscsi_conn =
8296 (max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
8297 BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
8298
8299 bp->cnic_eth_dev.max_fcoe_conn =
8300 (max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
8301 BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
8302
8303 BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
8304 bp->cnic_eth_dev.max_iscsi_conn,
8305 bp->cnic_eth_dev.max_fcoe_conn);
8306
8307 /* If mamimum allowed number of connections is zero -
8308 * disable the feature.
8309 */
8310 if (!bp->cnic_eth_dev.max_iscsi_conn)
8311 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8312
8313 if (!bp->cnic_eth_dev.max_fcoe_conn)
8314 bp->flags |= NO_FCOE_FLAG;
8315}
8316#endif
8317
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008318static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
8319{
8320 u32 val, val2;
8321 int func = BP_ABS_FUNC(bp);
8322 int port = BP_PORT(bp);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008323#ifdef BCM_CNIC
8324 u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
8325 u8 *fip_mac = bp->fip_mac;
8326#endif
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008327
8328 if (BP_NOMCP(bp)) {
8329 BNX2X_ERROR("warning: random MAC workaround active\n");
8330 random_ether_addr(bp->dev->dev_addr);
8331 } else if (IS_MF(bp)) {
8332 val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
8333 val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
8334 if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
8335 (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
8336 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8337
8338#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008339 /* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
8340 * FCoE MAC then the appropriate feature should be disabled.
8341 */
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008342 if (IS_MF_SI(bp)) {
8343 u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
8344 if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
8345 val2 = MF_CFG_RD(bp, func_ext_config[func].
8346 iscsi_mac_addr_upper);
8347 val = MF_CFG_RD(bp, func_ext_config[func].
8348 iscsi_mac_addr_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008349 BNX2X_DEV_INFO("Read iSCSI MAC: "
8350 "0x%x:0x%04x\n", val2, val);
8351 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008352 } else
8353 bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
8354
8355 if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
8356 val2 = MF_CFG_RD(bp, func_ext_config[func].
8357 fcoe_mac_addr_upper);
8358 val = MF_CFG_RD(bp, func_ext_config[func].
8359 fcoe_mac_addr_lower);
8360 BNX2X_DEV_INFO("Read FCoE MAC to "
8361 "0x%x:0x%04x\n", val2, val);
8362 bnx2x_set_mac_buf(fip_mac, val, val2);
8363
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008364 } else
8365 bp->flags |= NO_FCOE_FLAG;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008366 }
8367#endif
8368 } else {
8369 /* in SF read MACs from port configuration */
8370 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
8371 val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8372 bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8373
8374#ifdef BCM_CNIC
8375 val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
8376 iscsi_mac_upper);
8377 val = SHMEM_RD(bp, dev_info.port_hw_config[port].
8378 iscsi_mac_lower);
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008379 bnx2x_set_mac_buf(iscsi_mac, val, val2);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008380#endif
8381 }
8382
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07008383 memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
8384 memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
Michael Chan37b091b2009-10-10 13:46:55 +00008385
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008386#ifdef BCM_CNIC
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008387 /* Set the FCoE MAC in modes other then MF_SI */
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008388 if (!CHIP_IS_E1x(bp)) {
8389 if (IS_MF_SD(bp))
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008390 memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
8391 else if (!IS_MF(bp))
8392 memcpy(fip_mac, iscsi_mac, ETH_ALEN);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008393 }
Dmitry Kravkov426b9242011-05-04 23:49:53 +00008394
8395 /* Disable iSCSI if MAC configuration is
8396 * invalid.
8397 */
8398 if (!is_valid_ether_addr(iscsi_mac)) {
8399 bp->flags |= NO_ISCSI_FLAG;
8400 memset(iscsi_mac, 0, ETH_ALEN);
8401 }
8402
8403 /* Disable FCoE if MAC configuration is
8404 * invalid.
8405 */
8406 if (!is_valid_ether_addr(fip_mac)) {
8407 bp->flags |= NO_FCOE_FLAG;
8408 memset(bp->fip_mac, 0, ETH_ALEN);
8409 }
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008410#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008411}
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008412
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008413static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
8414{
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008415 int /*abs*/func = BP_ABS_FUNC(bp);
David S. Millerb8ee8322011-04-17 16:56:12 -07008416 int vn;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008417 u32 val = 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008418 int rc = 0;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008419
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008420 bnx2x_get_common_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008421
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008422 if (CHIP_IS_E1x(bp)) {
8423 bp->common.int_block = INT_BLOCK_HC;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008424
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008425 bp->igu_dsb_id = DEF_SB_IGU_ID;
8426 bp->igu_base_sb = 0;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00008427 bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
8428 NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008429 } else {
8430 bp->common.int_block = INT_BLOCK_IGU;
8431 val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
8432 if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
8433 DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
8434 bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
8435 } else
8436 DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8437
8438 bnx2x_get_igu_cam_info(bp);
8439
8440 }
8441 DP(NETIF_MSG_PROBE, "igu_dsb_id %d igu_base_sb %d igu_sb_cnt %d\n",
8442 bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);
8443
8444 /*
8445 * Initialize MF configuration
8446 */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008447
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008448 bp->mf_ov = 0;
8449 bp->mf_mode = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008450 vn = BP_E1HVN(bp);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008451
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008452 if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008453 DP(NETIF_MSG_PROBE,
8454 "shmem2base 0x%x, size %d, mfcfg offset %d\n",
8455 bp->common.shmem2_base, SHMEM2_RD(bp, size),
8456 (u32)offsetof(struct shmem2_region, mf_cfg_addr));
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008457 if (SHMEM2_HAS(bp, mf_cfg_addr))
8458 bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
8459 else
8460 bp->common.mf_cfg_base = bp->common.shmem_base +
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008461 offsetof(struct shmem_region, func_mb) +
8462 E1H_FUNC_MAX * sizeof(struct drv_func_mb);
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008463 /*
8464 * get mf configuration:
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008465 * 1. existence of MF configuration
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008466 * 2. MAC address must be legal (check only upper bytes)
8467 * for Switch-Independent mode;
8468 * OVLAN must be legal for Switch-Dependent mode
8469 * 3. SF_MODE configures specific MF mode
8470 */
8471 if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
8472 /* get mf configuration */
8473 val = SHMEM_RD(bp,
8474 dev_info.shared_feature_config.config);
8475 val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008476
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008477 switch (val) {
8478 case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
8479 val = MF_CFG_RD(bp, func_mf_config[func].
8480 mac_upper);
8481 /* check for legal mac (upper bytes)*/
8482 if (val != 0xffff) {
8483 bp->mf_mode = MULTI_FUNCTION_SI;
8484 bp->mf_config[vn] = MF_CFG_RD(bp,
8485 func_mf_config[func].config);
8486 } else
8487 DP(NETIF_MSG_PROBE, "illegal MAC "
8488 "address for SI\n");
8489 break;
8490 case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
8491 /* get OV configuration */
8492 val = MF_CFG_RD(bp,
8493 func_mf_config[FUNC_0].e1hov_tag);
8494 val &= FUNC_MF_CFG_E1HOV_TAG_MASK;
8495
8496 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
8497 bp->mf_mode = MULTI_FUNCTION_SD;
8498 bp->mf_config[vn] = MF_CFG_RD(bp,
8499 func_mf_config[func].config);
8500 } else
8501 DP(NETIF_MSG_PROBE, "illegal OV for "
8502 "SD\n");
8503 break;
8504 default:
8505 /* Unknown configuration: reset mf_config */
8506 bp->mf_config[vn] = 0;
Lucas De Marchi25985ed2011-03-30 22:57:33 -03008507 DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008508 val);
8509 }
8510 }
8511
Eilon Greenstein2691d512009-08-12 08:22:08 +00008512 BNX2X_DEV_INFO("%s function mode\n",
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008513 IS_MF(bp) ? "multi" : "single");
Eilon Greenstein2691d512009-08-12 08:22:08 +00008514
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008515 switch (bp->mf_mode) {
8516 case MULTI_FUNCTION_SD:
8517 val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
8518 FUNC_MF_CFG_E1HOV_TAG_MASK;
Eilon Greenstein2691d512009-08-12 08:22:08 +00008519 if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
Dmitry Kravkovfb3bff12010-10-06 03:26:40 +00008520 bp->mf_ov = val;
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008521 BNX2X_DEV_INFO("MF OV for func %d is %d"
8522 " (0x%04x)\n", func,
8523 bp->mf_ov, bp->mf_ov);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008524 } else {
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008525 BNX2X_ERR("No valid MF OV for func %d,"
8526 " aborting\n", func);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008527 rc = -EPERM;
8528 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008529 break;
8530 case MULTI_FUNCTION_SI:
8531 BNX2X_DEV_INFO("func %d is in MF "
8532 "switch-independent mode\n", func);
8533 break;
8534 default:
8535 if (vn) {
8536 BNX2X_ERR("VN %d in single function mode,"
8537 " aborting\n", vn);
Eilon Greenstein2691d512009-08-12 08:22:08 +00008538 rc = -EPERM;
8539 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008540 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008541 }
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008542
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008543 }
8544
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008545 /* adjust igu_sb_cnt to MF for E1x */
8546 if (CHIP_IS_E1x(bp) && IS_MF(bp))
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008547 bp->igu_sb_cnt /= E1HVN_MAX;
8548
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008549 /*
8550 * adjust E2 sb count: to be removed when FW will support
8551 * more then 16 L2 clients
8552 */
8553#define MAX_L2_CLIENTS 16
8554 if (CHIP_IS_E2(bp))
8555 bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
8556 MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));
8557
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008558 if (!BP_NOMCP(bp)) {
8559 bnx2x_get_port_hwinfo(bp);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008560
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008561 bp->fw_seq =
8562 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
8563 DRV_MSG_SEQ_NUMBER_MASK);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008564 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
8565 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008566
Dmitry Kravkov0793f83f2010-12-01 12:39:28 -08008567 /* Get MAC addresses */
8568 bnx2x_get_mac_hwinfo(bp);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008569
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +00008570#ifdef BCM_CNIC
8571 bnx2x_get_cnic_info(bp);
8572#endif
8573
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008574 return rc;
8575}
8576
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008577static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
8578{
8579 int cnt, i, block_end, rodi;
8580 char vpd_data[BNX2X_VPD_LEN+1];
8581 char str_id_reg[VENDOR_ID_LEN+1];
8582 char str_id_cap[VENDOR_ID_LEN+1];
8583 u8 len;
8584
8585 cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
8586 memset(bp->fw_ver, 0, sizeof(bp->fw_ver));
8587
8588 if (cnt < BNX2X_VPD_LEN)
8589 goto out_not_found;
8590
8591 i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
8592 PCI_VPD_LRDT_RO_DATA);
8593 if (i < 0)
8594 goto out_not_found;
8595
8596
8597 block_end = i + PCI_VPD_LRDT_TAG_SIZE +
8598 pci_vpd_lrdt_size(&vpd_data[i]);
8599
8600 i += PCI_VPD_LRDT_TAG_SIZE;
8601
8602 if (block_end > BNX2X_VPD_LEN)
8603 goto out_not_found;
8604
8605 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8606 PCI_VPD_RO_KEYWORD_MFR_ID);
8607 if (rodi < 0)
8608 goto out_not_found;
8609
8610 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8611
8612 if (len != VENDOR_ID_LEN)
8613 goto out_not_found;
8614
8615 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8616
8617 /* vendor specific info */
8618 snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
8619 snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
8620 if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
8621 !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {
8622
8623 rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
8624 PCI_VPD_RO_KEYWORD_VENDOR0);
8625 if (rodi >= 0) {
8626 len = pci_vpd_info_field_size(&vpd_data[rodi]);
8627
8628 rodi += PCI_VPD_INFO_FLD_HDR_SIZE;
8629
8630 if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
8631 memcpy(bp->fw_ver, &vpd_data[rodi], len);
8632 bp->fw_ver[len] = ' ';
8633 }
8634 }
8635 return;
8636 }
8637out_not_found:
8638 return;
8639}
8640
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008641static int __devinit bnx2x_init_bp(struct bnx2x *bp)
8642{
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008643 int func;
Eilon Greenstein87942b42009-02-12 08:36:49 +00008644 int timer_interval;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008645 int rc;
8646
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008647 /* Disable interrupt handling until HW is initialized */
8648 atomic_set(&bp->intr_sem, 1);
Eilon Greensteine1510702009-07-21 05:47:41 +00008649 smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
Vladislav Zolotarovda5a6622008-08-13 15:50:00 -07008650
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008651 mutex_init(&bp->port.phy_mutex);
Eilon Greensteinc4ff7cb2009-10-15 00:18:27 -07008652 mutex_init(&bp->fw_mb_mutex);
David S. Millerbb7e95c2010-07-27 21:01:35 -07008653 spin_lock_init(&bp->stats_lock);
Michael Chan993ac7b2009-10-10 13:46:56 +00008654#ifdef BCM_CNIC
8655 mutex_init(&bp->cnic_mutex);
8656#endif
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008657
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08008658 INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008659 INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008660
8661 rc = bnx2x_get_hwinfo(bp);
8662
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008663 if (!rc)
8664 rc = bnx2x_alloc_mem_bp(bp);
8665
Vladislav Zolotarov34f24c72010-04-19 01:13:23 +00008666 bnx2x_read_fwinfo(bp);
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00008667
8668 func = BP_FUNC(bp);
8669
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008670 /* need to reset chip if undi was active */
8671 if (!BP_NOMCP(bp))
8672 bnx2x_undi_unload(bp);
8673
8674 if (CHIP_REV_IS_FPGA(bp))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008675 dev_err(&bp->pdev->dev, "FPGA detected\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008676
8677 if (BP_NOMCP(bp) && (func == 0))
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00008678 dev_err(&bp->pdev->dev, "MCP disabled, "
8679 "must load devices in order!\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008680
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008681 bp->multi_mode = multi_mode;
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008682 bp->int_mode = int_mode;
Eilon Greenstein555f6c72009-02-12 08:36:11 +00008683
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008684 /* Set TPA flags */
8685 if (disable_tpa) {
8686 bp->flags &= ~TPA_ENABLE_FLAG;
8687 bp->dev->features &= ~NETIF_F_LRO;
8688 } else {
8689 bp->flags |= TPA_ENABLE_FLAG;
8690 bp->dev->features |= NETIF_F_LRO;
8691 }
Dmitry Kravkov5d7cd492010-07-27 12:32:19 +00008692 bp->disable_tpa = disable_tpa;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008693
Eilon Greensteina18f5122009-08-12 08:23:26 +00008694 if (CHIP_IS_E1(bp))
8695 bp->dropless_fc = 0;
8696 else
8697 bp->dropless_fc = dropless_fc;
8698
Eilon Greenstein8d5726c2009-02-12 08:37:19 +00008699 bp->mrrs = mrrs;
Vladislav Zolotarov7a9b2552008-06-23 20:34:36 -07008700
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008701 bp->tx_ring_size = MAX_TX_AVAIL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008702
Eilon Greenstein7d323bf2009-11-09 06:09:35 +00008703 /* make sure that the numbers are in the right granularity */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00008704 bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
8705 bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008706
Eilon Greenstein87942b42009-02-12 08:36:49 +00008707 timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
8708 bp->current_interval = (poll ? poll : timer_interval);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008709
8710 init_timer(&bp->timer);
8711 bp->timer.expires = jiffies + bp->current_interval;
8712 bp->timer.data = (unsigned long) bp;
8713 bp->timer.function = bnx2x_timer;
8714
Shmulik Ravid785b9b12010-12-30 06:27:03 +00008715 bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
Vladislav Zolotarove4901dd2010-12-13 05:44:18 +00008716 bnx2x_dcbx_init_params(bp);
8717
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008718 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008719}
8720
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008721
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00008722/****************************************************************************
8723* General service functions
8724****************************************************************************/
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008725
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008726/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008727static int bnx2x_open(struct net_device *dev)
8728{
8729 struct bnx2x *bp = netdev_priv(dev);
8730
Eilon Greenstein6eccabb2009-01-22 03:37:48 +00008731 netif_carrier_off(dev);
8732
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008733 bnx2x_set_power_state(bp, PCI_D0);
8734
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00008735 if (!bnx2x_reset_is_done(bp)) {
8736 do {
8737 /* Reset MCP mail box sequence if there is on going
8738 * recovery
8739 */
8740 bp->fw_seq = 0;
8741
8742 /* If it's the first function to load and reset done
8743 * is still not cleared it may mean that. We don't
8744 * check the attention state here because it may have
8745 * already been cleared by a "common" reset but we
8746 * shell proceed with "process kill" anyway.
8747 */
8748 if ((bnx2x_get_load_cnt(bp) == 0) &&
8749 bnx2x_trylock_hw_lock(bp,
8750 HW_LOCK_RESOURCE_RESERVED_08) &&
8751 (!bnx2x_leader_reset(bp))) {
8752 DP(NETIF_MSG_HW, "Recovered in open\n");
8753 break;
8754 }
8755
8756 bnx2x_set_power_state(bp, PCI_D3hot);
8757
8758 printk(KERN_ERR"%s: Recovery flow hasn't been properly"
8759 " completed yet. Try again later. If u still see this"
8760 " message after a few retries then power cycle is"
8761 " required.\n", bp->dev->name);
8762
8763 return -EAGAIN;
8764 } while (0);
8765 }
8766
8767 bp->recovery_state = BNX2X_RECOVERY_DONE;
8768
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008769 return bnx2x_nic_load(bp, LOAD_OPEN);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008770}
8771
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008772/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008773static int bnx2x_close(struct net_device *dev)
8774{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008775 struct bnx2x *bp = netdev_priv(dev);
8776
8777 /* Unload the driver, release IRQs */
Yitchak Gertnerbb2a0f72008-06-23 20:33:36 -07008778 bnx2x_nic_unload(bp, UNLOAD_CLOSE);
Vladislav Zolotarovd3dbfee2010-04-19 01:14:49 +00008779 bnx2x_set_power_state(bp, PCI_D3hot);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02008780
8781 return 0;
8782}
8783
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008784#define E1_MAX_UC_LIST 29
8785#define E1H_MAX_UC_LIST 30
8786#define E2_MAX_UC_LIST 14
8787static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
8788{
8789 if (CHIP_IS_E1(bp))
8790 return E1_MAX_UC_LIST;
8791 else if (CHIP_IS_E1H(bp))
8792 return E1H_MAX_UC_LIST;
8793 else
8794 return E2_MAX_UC_LIST;
8795}
8796
8797
8798static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
8799{
8800 if (CHIP_IS_E1(bp))
8801 /* CAM Entries for Port0:
8802 * 0 - prim ETH MAC
8803 * 1 - BCAST MAC
8804 * 2 - iSCSI L2 ring ETH MAC
8805 * 3-31 - UC MACs
8806 *
8807 * Port1 entries are allocated the same way starting from
8808 * entry 32.
8809 */
8810 return 3 + 32 * BP_PORT(bp);
8811 else if (CHIP_IS_E1H(bp)) {
8812 /* CAM Entries:
8813 * 0-7 - prim ETH MAC for each function
8814 * 8-15 - iSCSI L2 ring ETH MAC for each function
8815 * 16 till 255 UC MAC lists for each function
8816 *
8817 * Remark: There is no FCoE support for E1H, thus FCoE related
8818 * MACs are not considered.
8819 */
8820 return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
8821 bnx2x_max_uc_list(bp) * BP_FUNC(bp);
8822 } else {
8823 /* CAM Entries (there is a separate CAM per engine):
8824 * 0-4 - prim ETH MAC for each function
8825 * 4-7 - iSCSI L2 ring ETH MAC for each function
8826 * 8-11 - FIP ucast L2 MAC for each function
8827 * 12-15 - ALL_ENODE_MACS mcast MAC for each function
8828 * 16 till 71 UC MAC lists for each function
8829 */
8830 u8 func_idx =
8831 (CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));
8832
8833 return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
8834 bnx2x_max_uc_list(bp) * func_idx;
8835 }
8836}
8837
8838/* set uc list, do not wait as wait implies sleep and
8839 * set_rx_mode can be invoked from non-sleepable context.
8840 *
8841 * Instead we use the same ramrod data buffer each time we need
8842 * to configure a list of addresses, and use the fact that the
8843 * list of MACs is changed in an incremental way and that the
8844 * function is called under the netif_addr_lock. A temporary
8845 * inconsistent CAM configuration (possible in case of very fast
8846 * sequence of add/del/add on the host side) will shortly be
8847 * restored by the handler of the last ramrod.
8848 */
8849static int bnx2x_set_uc_list(struct bnx2x *bp)
8850{
8851 int i = 0, old;
8852 struct net_device *dev = bp->dev;
8853 u8 offset = bnx2x_uc_list_cam_offset(bp);
8854 struct netdev_hw_addr *ha;
8855 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8856 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8857
8858 if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
8859 return -EINVAL;
8860
8861 netdev_for_each_uc_addr(ha, dev) {
8862 /* copy mac */
8863 config_cmd->config_table[i].msb_mac_addr =
8864 swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
8865 config_cmd->config_table[i].middle_mac_addr =
8866 swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
8867 config_cmd->config_table[i].lsb_mac_addr =
8868 swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);
8869
8870 config_cmd->config_table[i].vlan_id = 0;
8871 config_cmd->config_table[i].pf_id = BP_FUNC(bp);
8872 config_cmd->config_table[i].clients_bit_vector =
8873 cpu_to_le32(1 << BP_L_ID(bp));
8874
8875 SET_FLAG(config_cmd->config_table[i].flags,
8876 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8877 T_ETH_MAC_COMMAND_SET);
8878
8879 DP(NETIF_MSG_IFUP,
8880 "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
8881 config_cmd->config_table[i].msb_mac_addr,
8882 config_cmd->config_table[i].middle_mac_addr,
8883 config_cmd->config_table[i].lsb_mac_addr);
8884
8885 i++;
8886
8887 /* Set uc MAC in NIG */
8888 bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
8889 LLH_CAM_ETH_LINE + i);
8890 }
8891 old = config_cmd->hdr.length;
8892 if (old > i) {
8893 for (; i < old; i++) {
8894 if (CAM_IS_INVALID(config_cmd->
8895 config_table[i])) {
8896 /* already invalidated */
8897 break;
8898 }
8899 /* invalidate */
8900 SET_FLAG(config_cmd->config_table[i].flags,
8901 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8902 T_ETH_MAC_COMMAND_INVALIDATE);
8903 }
8904 }
8905
8906 wmb();
8907
8908 config_cmd->hdr.length = i;
8909 config_cmd->hdr.offset = offset;
8910 config_cmd->hdr.client_id = 0xff;
8911 /* Mark that this ramrod doesn't use bp->set_mac_pending for
8912 * synchronization.
8913 */
8914 config_cmd->hdr.echo = 0;
8915
8916 mb();
8917
8918 return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8919 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8920
8921}
8922
8923void bnx2x_invalidate_uc_list(struct bnx2x *bp)
8924{
8925 int i;
8926 struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
8927 dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
8928 int ramrod_flags = WAIT_RAMROD_COMMON;
8929 u8 offset = bnx2x_uc_list_cam_offset(bp);
8930 u8 max_list_size = bnx2x_max_uc_list(bp);
8931
8932 for (i = 0; i < max_list_size; i++) {
8933 SET_FLAG(config_cmd->config_table[i].flags,
8934 MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
8935 T_ETH_MAC_COMMAND_INVALIDATE);
8936 bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
8937 }
8938
8939 wmb();
8940
8941 config_cmd->hdr.length = max_list_size;
8942 config_cmd->hdr.offset = offset;
8943 config_cmd->hdr.client_id = 0xff;
8944 /* We'll wait for a completion this time... */
8945 config_cmd->hdr.echo = 1;
8946
8947 bp->set_mac_pending = 1;
8948
8949 mb();
8950
8951 bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
8952 U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
8953
8954 /* Wait for a completion */
8955 bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
8956 ramrod_flags);
8957
8958}
8959
8960static inline int bnx2x_set_mc_list(struct bnx2x *bp)
8961{
8962 /* some multicasts */
8963 if (CHIP_IS_E1(bp)) {
8964 return bnx2x_set_e1_mc_list(bp);
8965 } else { /* E1H and newer */
8966 return bnx2x_set_e1h_mc_list(bp);
8967 }
8968}
8969
Eilon Greensteinf5372252009-02-12 08:38:30 +00008970/* called with netif_tx_lock from dev_mcast.c */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +00008971void bnx2x_set_rx_mode(struct net_device *dev)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008972{
8973 struct bnx2x *bp = netdev_priv(dev);
8974 u32 rx_mode = BNX2X_RX_MODE_NORMAL;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008975
8976 if (bp->state != BNX2X_STATE_OPEN) {
8977 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
8978 return;
8979 }
8980
8981 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
8982
8983 if (dev->flags & IFF_PROMISC)
8984 rx_mode = BNX2X_RX_MODE_PROMISC;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008985 else if (dev->flags & IFF_ALLMULTI)
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008986 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008987 else {
8988 /* some multicasts */
8989 if (bnx2x_set_mc_list(bp))
8990 rx_mode = BNX2X_RX_MODE_ALLMULTI;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008991
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08008992 /* some unicasts */
8993 if (bnx2x_set_uc_list(bp))
8994 rx_mode = BNX2X_RX_MODE_PROMISC;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07008995 }
8996
8997 bp->rx_mode = rx_mode;
8998 bnx2x_set_storm_rx_mode(bp);
8999}
9000
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009001/* called with rtnl_lock */
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009002static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
9003 int devad, u16 addr)
9004{
9005 struct bnx2x *bp = netdev_priv(netdev);
9006 u16 value;
9007 int rc;
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009008
9009 DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
9010 prtad, devad, addr);
9011
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009012 /* The HW expects different devad if CL22 is used */
9013 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9014
9015 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009016 rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009017 bnx2x_release_phy_lock(bp);
9018 DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
9019
9020 if (!rc)
9021 rc = value;
9022 return rc;
9023}
9024
9025/* called with rtnl_lock */
9026static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
9027 u16 addr, u16 value)
9028{
9029 struct bnx2x *bp = netdev_priv(netdev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009030 int rc;
9031
9032 DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
9033 " value 0x%x\n", prtad, devad, addr, value);
9034
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009035 /* The HW expects different devad if CL22 is used */
9036 devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
9037
9038 bnx2x_acquire_phy_lock(bp);
Yaniv Rosnere10bc842010-09-07 11:40:50 +00009039 rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009040 bnx2x_release_phy_lock(bp);
9041 return rc;
9042}
9043
9044/* called with rtnl_lock */
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009045static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
9046{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009047 struct bnx2x *bp = netdev_priv(dev);
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009048 struct mii_ioctl_data *mdio = if_mii(ifr);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009049
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009050 DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
9051 mdio->phy_id, mdio->reg_num, mdio->val_in);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009052
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009053 if (!netif_running(dev))
9054 return -EAGAIN;
Yaniv Rosnerc18487e2008-06-23 20:27:52 -07009055
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009056 return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009057}
9058
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009059#ifdef CONFIG_NET_POLL_CONTROLLER
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009060static void poll_bnx2x(struct net_device *dev)
9061{
9062 struct bnx2x *bp = netdev_priv(dev);
9063
9064 disable_irq(bp->pdev->irq);
9065 bnx2x_interrupt(bp->pdev->irq, dev);
9066 enable_irq(bp->pdev->irq);
9067}
9068#endif
9069
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009070static const struct net_device_ops bnx2x_netdev_ops = {
9071 .ndo_open = bnx2x_open,
9072 .ndo_stop = bnx2x_close,
9073 .ndo_start_xmit = bnx2x_start_xmit,
Vladislav Zolotarov8307fa32010-12-13 05:44:09 +00009074 .ndo_select_queue = bnx2x_select_queue,
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009075 .ndo_set_rx_mode = bnx2x_set_rx_mode,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009076 .ndo_set_mac_address = bnx2x_change_mac_addr,
9077 .ndo_validate_addr = eth_validate_addr,
9078 .ndo_do_ioctl = bnx2x_ioctl,
9079 .ndo_change_mtu = bnx2x_change_mtu,
Michał Mirosław66371c42011-04-12 09:38:23 +00009080 .ndo_fix_features = bnx2x_fix_features,
9081 .ndo_set_features = bnx2x_set_features,
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009082 .ndo_tx_timeout = bnx2x_tx_timeout,
Alexey Dobriyan257ddbd2010-01-27 10:17:41 +00009083#ifdef CONFIG_NET_POLL_CONTROLLER
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009084 .ndo_poll_controller = poll_bnx2x,
9085#endif
9086};
9087
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009088static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
9089 struct net_device *dev)
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009090{
9091 struct bnx2x *bp;
9092 int rc;
9093
9094 SET_NETDEV_DEV(dev, &pdev->dev);
9095 bp = netdev_priv(dev);
9096
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009097 bp->dev = dev;
9098 bp->pdev = pdev;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009099 bp->flags = 0;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009100 bp->pf_num = PCI_FUNC(pdev->devfn);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009101
9102 rc = pci_enable_device(pdev);
9103 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009104 dev_err(&bp->pdev->dev,
9105 "Cannot enable PCI device, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009106 goto err_out;
9107 }
9108
9109 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009110 dev_err(&bp->pdev->dev,
9111 "Cannot find PCI device base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009112 rc = -ENODEV;
9113 goto err_out_disable;
9114 }
9115
9116 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009117 dev_err(&bp->pdev->dev, "Cannot find second PCI device"
9118 " base address, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009119 rc = -ENODEV;
9120 goto err_out_disable;
9121 }
9122
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009123 if (atomic_read(&pdev->enable_cnt) == 1) {
9124 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
9125 if (rc) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009126 dev_err(&bp->pdev->dev,
9127 "Cannot obtain PCI resources, aborting\n");
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009128 goto err_out_disable;
9129 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009130
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009131 pci_set_master(pdev);
9132 pci_save_state(pdev);
9133 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009134
9135 bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
9136 if (bp->pm_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009137 dev_err(&bp->pdev->dev,
9138 "Cannot find power management capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009139 rc = -EIO;
9140 goto err_out_release;
9141 }
9142
9143 bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
9144 if (bp->pcie_cap == 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009145 dev_err(&bp->pdev->dev,
9146 "Cannot find PCI Express capability, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009147 rc = -EIO;
9148 goto err_out_release;
9149 }
9150
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009151 if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009152 bp->flags |= USING_DAC_FLAG;
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009153 if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009154 dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
9155 " failed, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009156 rc = -EIO;
9157 goto err_out_release;
9158 }
9159
FUJITA Tomonori1a983142010-04-04 01:51:03 +00009160 } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009161 dev_err(&bp->pdev->dev,
9162 "System does not support DMA, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009163 rc = -EIO;
9164 goto err_out_release;
9165 }
9166
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009167 dev->mem_start = pci_resource_start(pdev, 0);
9168 dev->base_addr = dev->mem_start;
9169 dev->mem_end = pci_resource_end(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009170
9171 dev->irq = pdev->irq;
9172
Arjan van de Ven275f1652008-10-20 21:42:39 -07009173 bp->regview = pci_ioremap_bar(pdev, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009174 if (!bp->regview) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009175 dev_err(&bp->pdev->dev,
9176 "Cannot map register space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009177 rc = -ENOMEM;
9178 goto err_out_release;
9179 }
9180
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009181 bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009182 min_t(u64, BNX2X_DB_SIZE(bp),
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009183 pci_resource_len(pdev, 2)));
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009184 if (!bp->doorbells) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009185 dev_err(&bp->pdev->dev,
9186 "Cannot map doorbell space, aborting\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009187 rc = -ENOMEM;
9188 goto err_out_unmap;
9189 }
9190
9191 bnx2x_set_power_state(bp, PCI_D0);
9192
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009193 /* clean indirect addresses */
9194 pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
9195 PCICFG_VENDOR_ID_OFFSET);
9196 REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
9197 REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
9198 REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
9199 REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009200
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009201 /* Reset the load counter */
9202 bnx2x_clear_load_cnt(bp);
9203
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009204 dev->watchdog_timeo = TX_TIMEOUT;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009205
Stephen Hemmingerc64213c2008-11-21 17:36:04 -08009206 dev->netdev_ops = &bnx2x_netdev_ops;
Dmitry Kravkovde0c62d2010-07-27 12:35:24 +00009207 bnx2x_set_ethtool_ops(dev);
Michał Mirosław66371c42011-04-12 09:38:23 +00009208
9209 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9210 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
9211 NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX;
9212
9213 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
9214 NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;
9215
9216 dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009217 if (bp->flags & USING_DAC_FLAG)
9218 dev->features |= NETIF_F_HIGHDMA;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009219
Mahesh Bandewar538dd2e2011-05-13 15:08:49 +00009220 /* Add Loopback capability to the device */
9221 dev->hw_features |= NETIF_F_LOOPBACK;
9222
Shmulik Ravid98507672011-02-28 12:19:55 -08009223#ifdef BCM_DCBNL
Shmulik Ravid785b9b12010-12-30 06:27:03 +00009224 dev->dcbnl_ops = &bnx2x_dcbnl_ops;
9225#endif
9226
Eilon Greenstein01cd4522009-08-12 08:23:08 +00009227 /* get_port_hwinfo() will set prtad and mmds properly */
9228 bp->mdio.prtad = MDIO_PRTAD_NONE;
9229 bp->mdio.mmds = 0;
9230 bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
9231 bp->mdio.dev = dev;
9232 bp->mdio.mdio_read = bnx2x_mdio_read;
9233 bp->mdio.mdio_write = bnx2x_mdio_write;
9234
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009235 return 0;
9236
9237err_out_unmap:
9238 if (bp->regview) {
9239 iounmap(bp->regview);
9240 bp->regview = NULL;
9241 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009242 if (bp->doorbells) {
9243 iounmap(bp->doorbells);
9244 bp->doorbells = NULL;
9245 }
9246
9247err_out_release:
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009248 if (atomic_read(&pdev->enable_cnt) == 1)
9249 pci_release_regions(pdev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009250
9251err_out_disable:
9252 pci_disable_device(pdev);
9253 pci_set_drvdata(pdev, NULL);
9254
9255err_out:
9256 return rc;
9257}
9258
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009259static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
9260 int *width, int *speed)
Eliezer Tamir25047952008-02-28 11:50:16 -08009261{
9262 u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);
9263
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009264 *width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
9265
9266 /* return value of 1=2.5GHz 2=5GHz */
9267 *speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
Eliezer Tamir25047952008-02-28 11:50:16 -08009268}
9269
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009270static int bnx2x_check_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009271{
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009272 const struct firmware *firmware = bp->firmware;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009273 struct bnx2x_fw_file_hdr *fw_hdr;
9274 struct bnx2x_fw_file_section *sections;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009275 u32 offset, len, num_ops;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009276 u16 *ops_offsets;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009277 int i;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009278 const u8 *fw_ver;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009279
9280 if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
9281 return -EINVAL;
9282
9283 fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
9284 sections = (struct bnx2x_fw_file_section *)fw_hdr;
9285
9286 /* Make sure none of the offsets and sizes make us read beyond
9287 * the end of the firmware data */
9288 for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
9289 offset = be32_to_cpu(sections[i].offset);
9290 len = be32_to_cpu(sections[i].len);
9291 if (offset + len > firmware->size) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009292 dev_err(&bp->pdev->dev,
9293 "Section %d length is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009294 return -EINVAL;
9295 }
9296 }
9297
9298 /* Likewise for the init_ops offsets */
9299 offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
9300 ops_offsets = (u16 *)(firmware->data + offset);
9301 num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);
9302
9303 for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
9304 if (be16_to_cpu(ops_offsets[i]) > num_ops) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009305 dev_err(&bp->pdev->dev,
9306 "Section offset %d is out of bounds\n", i);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009307 return -EINVAL;
9308 }
9309 }
9310
9311 /* Check FW version */
9312 offset = be32_to_cpu(fw_hdr->fw_version.offset);
9313 fw_ver = firmware->data + offset;
9314 if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
9315 (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
9316 (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
9317 (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009318 dev_err(&bp->pdev->dev,
9319 "Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009320 fw_ver[0], fw_ver[1], fw_ver[2],
9321 fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
9322 BCM_5710_FW_MINOR_VERSION,
9323 BCM_5710_FW_REVISION_VERSION,
9324 BCM_5710_FW_ENGINEERING_VERSION);
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009325 return -EINVAL;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009326 }
9327
9328 return 0;
9329}
9330
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009331static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009332{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009333 const __be32 *source = (const __be32 *)_source;
9334 u32 *target = (u32 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009335 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009336
9337 for (i = 0; i < n/4; i++)
9338 target[i] = be32_to_cpu(source[i]);
9339}
9340
9341/*
9342 Ops array is stored in the following format:
9343 {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
9344 */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009345static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009346{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009347 const __be32 *source = (const __be32 *)_source;
9348 struct raw_op *target = (struct raw_op *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009349 u32 i, j, tmp;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009350
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009351 for (i = 0, j = 0; i < n/8; i++, j += 2) {
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009352 tmp = be32_to_cpu(source[j]);
9353 target[i].op = (tmp >> 24) & 0xff;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009354 target[i].offset = tmp & 0xffffff;
9355 target[i].raw_data = be32_to_cpu(source[j + 1]);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009356 }
9357}
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009358
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009359/**
9360 * IRO array is stored in the following format:
9361 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
9362 */
9363static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
9364{
9365 const __be32 *source = (const __be32 *)_source;
9366 struct iro *target = (struct iro *)_target;
9367 u32 i, j, tmp;
9368
9369 for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
9370 target[i].base = be32_to_cpu(source[j]);
9371 j++;
9372 tmp = be32_to_cpu(source[j]);
9373 target[i].m1 = (tmp >> 16) & 0xffff;
9374 target[i].m2 = tmp & 0xffff;
9375 j++;
9376 tmp = be32_to_cpu(source[j]);
9377 target[i].m3 = (tmp >> 16) & 0xffff;
9378 target[i].size = tmp & 0xffff;
9379 j++;
9380 }
9381}
9382
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009383static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009384{
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009385 const __be16 *source = (const __be16 *)_source;
9386 u16 *target = (u16 *)_target;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009387 u32 i;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009388
9389 for (i = 0; i < n/2; i++)
9390 target[i] = be16_to_cpu(source[i]);
9391}
9392
Joe Perches7995c642010-02-17 15:01:52 +00009393#define BNX2X_ALLOC_AND_SET(arr, lbl, func) \
9394do { \
9395 u32 len = be32_to_cpu(fw_hdr->arr.len); \
9396 bp->arr = kmalloc(len, GFP_KERNEL); \
9397 if (!bp->arr) { \
9398 pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
9399 goto lbl; \
9400 } \
9401 func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset), \
9402 (u8 *)bp->arr, len); \
9403} while (0)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009404
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009405int bnx2x_init_firmware(struct bnx2x *bp)
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009406{
Ben Hutchings45229b42009-11-07 11:53:39 +00009407 const char *fw_file_name;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009408 struct bnx2x_fw_file_hdr *fw_hdr;
Ben Hutchings45229b42009-11-07 11:53:39 +00009409 int rc;
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009410
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009411 if (CHIP_IS_E1(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009412 fw_file_name = FW_FILE_NAME_E1;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009413 else if (CHIP_IS_E1H(bp))
Ben Hutchings45229b42009-11-07 11:53:39 +00009414 fw_file_name = FW_FILE_NAME_E1H;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009415 else if (CHIP_IS_E2(bp))
9416 fw_file_name = FW_FILE_NAME_E2;
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009417 else {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009418 BNX2X_ERR("Unsupported chip revision\n");
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009419 return -EINVAL;
9420 }
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009421
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009422 BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009423
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009424 rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009425 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009426 BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009427 goto request_firmware_exit;
9428 }
9429
9430 rc = bnx2x_check_firmware(bp);
9431 if (rc) {
Dmitry Kravkov6891dd22010-08-03 21:49:40 +00009432 BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009433 goto request_firmware_exit;
9434 }
9435
9436 fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
9437
9438 /* Initialize the pointers to the init arrays */
9439 /* Blob */
9440 BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);
9441
9442 /* Opcodes */
9443 BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);
9444
9445 /* Offsets */
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009446 BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
9447 be16_to_cpu_n);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009448
9449 /* STORMs firmware */
Eilon Greenstein573f2032009-08-12 08:24:14 +00009450 INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9451 be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
9452 INIT_TSEM_PRAM_DATA(bp) = bp->firmware->data +
9453 be32_to_cpu(fw_hdr->tsem_pram_data.offset);
9454 INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9455 be32_to_cpu(fw_hdr->usem_int_table_data.offset);
9456 INIT_USEM_PRAM_DATA(bp) = bp->firmware->data +
9457 be32_to_cpu(fw_hdr->usem_pram_data.offset);
9458 INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9459 be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
9460 INIT_XSEM_PRAM_DATA(bp) = bp->firmware->data +
9461 be32_to_cpu(fw_hdr->xsem_pram_data.offset);
9462 INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
9463 be32_to_cpu(fw_hdr->csem_int_table_data.offset);
9464 INIT_CSEM_PRAM_DATA(bp) = bp->firmware->data +
9465 be32_to_cpu(fw_hdr->csem_pram_data.offset);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009466 /* IRO */
9467 BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009468
9469 return 0;
Eilon Greensteinab6ad5a2009-08-12 08:24:29 +00009470
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009471iro_alloc_err:
9472 kfree(bp->init_ops_offsets);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009473init_offsets_alloc_err:
9474 kfree(bp->init_ops);
9475init_ops_alloc_err:
9476 kfree(bp->init_data);
9477request_firmware_exit:
9478 release_firmware(bp->firmware);
9479
9480 return rc;
9481}
9482
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009483static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
9484{
9485 int cid_count = L2_FP_COUNT(l2_cid_count);
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -07009486
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009487#ifdef BCM_CNIC
9488 cid_count += CNIC_CID_MAX;
9489#endif
9490 return roundup(cid_count, QM_CID_ROUND);
9491}
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009492
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009493static int __devinit bnx2x_init_one(struct pci_dev *pdev,
9494 const struct pci_device_id *ent)
9495{
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009496 struct net_device *dev = NULL;
9497 struct bnx2x *bp;
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009498 int pcie_width, pcie_speed;
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009499 int rc, cid_count;
9500
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009501 switch (ent->driver_data) {
9502 case BCM57710:
9503 case BCM57711:
9504 case BCM57711E:
9505 cid_count = FP_SB_MAX_E1x;
9506 break;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009507
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009508 case BCM57712:
9509 case BCM57712E:
9510 cid_count = FP_SB_MAX_E2;
9511 break;
9512
9513 default:
9514 pr_err("Unknown board_type (%ld), aborting\n",
9515 ent->driver_data);
Vasiliy Kulikov870634b2010-11-14 10:08:34 +00009516 return -ENODEV;
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009517 }
9518
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009519 cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009520
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009521 /* dev zeroed in init_etherdev */
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009522 dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009523 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009524 dev_err(&pdev->dev, "Cannot allocate net device\n");
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009525 return -ENOMEM;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009526 }
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009527
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009528 bp = netdev_priv(dev);
Joe Perches7995c642010-02-17 15:01:52 +00009529 bp->msg_enable = debug;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009530
Eilon Greensteindf4770de2009-08-12 08:23:28 +00009531 pci_set_drvdata(pdev, dev);
9532
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009533 bp->l2_cid_count = cid_count;
9534
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009535 rc = bnx2x_init_dev(pdev, dev);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009536 if (rc < 0) {
9537 free_netdev(dev);
9538 return rc;
9539 }
9540
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009541 rc = bnx2x_init_bp(bp);
Eilon Greenstein693fc0d2009-01-14 06:43:52 +00009542 if (rc)
9543 goto init_one_exit;
9544
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009545 /* calc qm_cid_count */
9546 bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
9547
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009548#ifdef BCM_CNIC
9549 /* disable FCOE L2 queue for E1x*/
9550 if (CHIP_IS_E1x(bp))
9551 bp->flags |= NO_FCOE_FLAG;
9552
9553#endif
9554
Lucas De Marchi25985ed2011-03-30 22:57:33 -03009555 /* Configure interrupt mode: try to enable MSI-X/MSI if
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009556 * needed, set bp->num_queues appropriately.
9557 */
9558 bnx2x_set_int_mode(bp);
9559
9560 /* Add all NAPI objects */
9561 bnx2x_add_all_napi(bp);
9562
Vladislav Zolotarovb3400072010-11-24 11:09:50 -08009563 rc = register_netdev(dev);
9564 if (rc) {
9565 dev_err(&pdev->dev, "Cannot register net device\n");
9566 goto init_one_exit;
9567 }
9568
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009569#ifdef BCM_CNIC
9570 if (!NO_FCOE(bp)) {
9571 /* Add storage MAC address */
9572 rtnl_lock();
9573 dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9574 rtnl_unlock();
9575 }
9576#endif
9577
Eilon Greenstein37f9ce62009-08-12 08:23:34 +00009578 bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009579
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009580 netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
9581 " IRQ %d, ", board_info[ent->driver_data].name,
9582 (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009583 pcie_width,
9584 ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
9585 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
9586 "5GHz (Gen2)" : "2.5GHz",
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009587 dev->base_addr, bp->pdev->irq);
9588 pr_cont("node addr %pM\n", dev->dev_addr);
Eilon Greensteinc0162012009-03-02 08:01:05 +00009589
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009590 return 0;
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009591
9592init_one_exit:
9593 if (bp->regview)
9594 iounmap(bp->regview);
9595
9596 if (bp->doorbells)
9597 iounmap(bp->doorbells);
9598
9599 free_netdev(dev);
9600
9601 if (atomic_read(&pdev->enable_cnt) == 1)
9602 pci_release_regions(pdev);
9603
9604 pci_disable_device(pdev);
9605 pci_set_drvdata(pdev, NULL);
9606
9607 return rc;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009608}
9609
9610static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
9611{
9612 struct net_device *dev = pci_get_drvdata(pdev);
Eliezer Tamir228241e2008-02-28 11:56:57 -08009613 struct bnx2x *bp;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009614
Eliezer Tamir228241e2008-02-28 11:56:57 -08009615 if (!dev) {
Vladislav Zolotarovcdaa7cb2010-04-19 01:13:57 +00009616 dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
Eliezer Tamir228241e2008-02-28 11:56:57 -08009617 return;
9618 }
Eliezer Tamir228241e2008-02-28 11:56:57 -08009619 bp = netdev_priv(dev);
9620
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009621#ifdef BCM_CNIC
9622 /* Delete storage MAC address */
9623 if (!NO_FCOE(bp)) {
9624 rtnl_lock();
9625 dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
9626 rtnl_unlock();
9627 }
9628#endif
9629
Shmulik Ravid98507672011-02-28 12:19:55 -08009630#ifdef BCM_DCBNL
9631 /* Delete app tlvs from dcbnl */
9632 bnx2x_dcbnl_update_applist(bp, true);
9633#endif
9634
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009635 unregister_netdev(dev);
9636
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009637 /* Delete all NAPI objects */
9638 bnx2x_del_all_napi(bp);
9639
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009640 /* Power on: we can't let PCI layer write to us while we are in D3 */
9641 bnx2x_set_power_state(bp, PCI_D0);
9642
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009643 /* Disable MSI/MSI-X */
9644 bnx2x_disable_msi(bp);
Dmitry Kravkovf85582f2010-10-06 03:34:21 +00009645
Vladislav Zolotarov084d6cb2011-01-09 02:20:19 +00009646 /* Power off */
9647 bnx2x_set_power_state(bp, PCI_D3hot);
9648
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009649 /* Make sure RESET task is not scheduled before continuing */
9650 cancel_delayed_work_sync(&bp->reset_task);
9651
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009652 if (bp->regview)
9653 iounmap(bp->regview);
9654
9655 if (bp->doorbells)
9656 iounmap(bp->doorbells);
9657
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009658 bnx2x_free_mem_bp(bp);
9659
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009660 free_netdev(dev);
Eilon Greenstein34f80b02008-06-23 20:33:01 -07009661
9662 if (atomic_read(&pdev->enable_cnt) == 1)
9663 pci_release_regions(pdev);
9664
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009665 pci_disable_device(pdev);
9666 pci_set_drvdata(pdev, NULL);
9667}
9668
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009669static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
9670{
9671 int i;
9672
9673 bp->state = BNX2X_STATE_ERROR;
9674
9675 bp->rx_mode = BNX2X_RX_MODE_NONE;
9676
9677 bnx2x_netif_stop(bp, 0);
Stanislaw Gruszkac89af1a2010-05-17 17:35:38 -07009678 netif_carrier_off(bp->dev);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009679
9680 del_timer_sync(&bp->timer);
9681 bp->stats_state = STATS_STATE_DISABLED;
9682 DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");
9683
9684 /* Release IRQs */
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009685 bnx2x_free_irq(bp);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009686
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009687 /* Free SKBs, SGEs, TPA pool and driver internals */
9688 bnx2x_free_skbs(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009689
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009690 for_each_rx_queue(bp, i)
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009691 bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
Dmitry Kravkovd6214d72010-10-06 03:32:10 +00009692
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009693 bnx2x_free_mem(bp);
9694
9695 bp->state = BNX2X_STATE_CLOSED;
9696
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009697 return 0;
9698}
9699
9700static void bnx2x_eeh_recover(struct bnx2x *bp)
9701{
9702 u32 val;
9703
9704 mutex_init(&bp->port.phy_mutex);
9705
9706 bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
9707 bp->link_params.shmem_base = bp->common.shmem_base;
9708 BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);
9709
9710 if (!bp->common.shmem_base ||
9711 (bp->common.shmem_base < 0xA0000) ||
9712 (bp->common.shmem_base >= 0xC0000)) {
9713 BNX2X_DEV_INFO("MCP not active\n");
9714 bp->flags |= NO_MCP_FLAG;
9715 return;
9716 }
9717
9718 val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
9719 if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9720 != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
9721 BNX2X_ERR("BAD MCP validity signature\n");
9722
9723 if (!BP_NOMCP(bp)) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009724 bp->fw_seq =
9725 (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
9726 DRV_MSG_SEQ_NUMBER_MASK);
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009727 BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
9728 }
9729}
9730
Wendy Xiong493adb12008-06-23 20:36:22 -07009731/**
9732 * bnx2x_io_error_detected - called when PCI error is detected
9733 * @pdev: Pointer to PCI device
9734 * @state: The current pci connection state
9735 *
9736 * This function is called after a PCI bus error affecting
9737 * this device has been detected.
9738 */
9739static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
9740 pci_channel_state_t state)
9741{
9742 struct net_device *dev = pci_get_drvdata(pdev);
9743 struct bnx2x *bp = netdev_priv(dev);
9744
9745 rtnl_lock();
9746
9747 netif_device_detach(dev);
9748
Dean Nelson07ce50e42009-07-31 09:13:25 +00009749 if (state == pci_channel_io_perm_failure) {
9750 rtnl_unlock();
9751 return PCI_ERS_RESULT_DISCONNECT;
9752 }
9753
Wendy Xiong493adb12008-06-23 20:36:22 -07009754 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009755 bnx2x_eeh_nic_unload(bp);
Wendy Xiong493adb12008-06-23 20:36:22 -07009756
9757 pci_disable_device(pdev);
9758
9759 rtnl_unlock();
9760
9761 /* Request a slot reset */
9762 return PCI_ERS_RESULT_NEED_RESET;
9763}
9764
9765/**
9766 * bnx2x_io_slot_reset - called after the PCI bus has been reset
9767 * @pdev: Pointer to PCI device
9768 *
9769 * Restart the card from scratch, as if from a cold-boot.
9770 */
9771static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
9772{
9773 struct net_device *dev = pci_get_drvdata(pdev);
9774 struct bnx2x *bp = netdev_priv(dev);
9775
9776 rtnl_lock();
9777
9778 if (pci_enable_device(pdev)) {
9779 dev_err(&pdev->dev,
9780 "Cannot re-enable PCI device after reset\n");
9781 rtnl_unlock();
9782 return PCI_ERS_RESULT_DISCONNECT;
9783 }
9784
9785 pci_set_master(pdev);
9786 pci_restore_state(pdev);
9787
9788 if (netif_running(dev))
9789 bnx2x_set_power_state(bp, PCI_D0);
9790
9791 rtnl_unlock();
9792
9793 return PCI_ERS_RESULT_RECOVERED;
9794}
9795
9796/**
9797 * bnx2x_io_resume - called when traffic can start flowing again
9798 * @pdev: Pointer to PCI device
9799 *
9800 * This callback is called when the error recovery driver tells us that
9801 * its OK to resume normal operation.
9802 */
9803static void bnx2x_io_resume(struct pci_dev *pdev)
9804{
9805 struct net_device *dev = pci_get_drvdata(pdev);
9806 struct bnx2x *bp = netdev_priv(dev);
9807
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009808 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
Dmitry Kravkovf2e08992010-10-06 03:28:26 +00009809 printk(KERN_ERR "Handling parity error recovery. "
9810 "Try again later\n");
Vladislav Zolotarov72fd0712010-04-19 01:13:12 +00009811 return;
9812 }
9813
Wendy Xiong493adb12008-06-23 20:36:22 -07009814 rtnl_lock();
9815
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009816 bnx2x_eeh_recover(bp);
9817
Wendy Xiong493adb12008-06-23 20:36:22 -07009818 if (netif_running(dev))
Yitchak Gertnerf8ef6e42008-09-09 05:07:25 -07009819 bnx2x_nic_load(bp, LOAD_NORMAL);
Wendy Xiong493adb12008-06-23 20:36:22 -07009820
9821 netif_device_attach(dev);
9822
9823 rtnl_unlock();
9824}
9825
9826static struct pci_error_handlers bnx2x_err_handler = {
9827 .error_detected = bnx2x_io_error_detected,
Eilon Greenstein356e2382009-02-12 08:38:32 +00009828 .slot_reset = bnx2x_io_slot_reset,
9829 .resume = bnx2x_io_resume,
Wendy Xiong493adb12008-06-23 20:36:22 -07009830};
9831
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009832static struct pci_driver bnx2x_pci_driver = {
Wendy Xiong493adb12008-06-23 20:36:22 -07009833 .name = DRV_MODULE_NAME,
9834 .id_table = bnx2x_pci_tbl,
9835 .probe = bnx2x_init_one,
9836 .remove = __devexit_p(bnx2x_remove_one),
9837 .suspend = bnx2x_suspend,
9838 .resume = bnx2x_resume,
9839 .err_handler = &bnx2x_err_handler,
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009840};
9841
9842static int __init bnx2x_init(void)
9843{
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009844 int ret;
9845
Joe Perches7995c642010-02-17 15:01:52 +00009846 pr_info("%s", version);
Eilon Greenstein938cf542009-08-12 08:23:37 +00009847
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009848 bnx2x_wq = create_singlethread_workqueue("bnx2x");
9849 if (bnx2x_wq == NULL) {
Joe Perches7995c642010-02-17 15:01:52 +00009850 pr_err("Cannot create workqueue\n");
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009851 return -ENOMEM;
9852 }
9853
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009854 ret = pci_register_driver(&bnx2x_pci_driver);
9855 if (ret) {
Joe Perches7995c642010-02-17 15:01:52 +00009856 pr_err("Cannot register driver\n");
Stanislaw Gruszkadd21ca62009-05-05 23:22:01 +00009857 destroy_workqueue(bnx2x_wq);
9858 }
9859 return ret;
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009860}
9861
9862static void __exit bnx2x_cleanup(void)
9863{
9864 pci_unregister_driver(&bnx2x_pci_driver);
Eilon Greenstein1cf167f2009-01-14 21:22:18 -08009865
9866 destroy_workqueue(bnx2x_wq);
Eliezer Tamira2fbb9e2007-11-15 20:09:02 +02009867}
9868
9869module_init(bnx2x_init);
9870module_exit(bnx2x_cleanup);
9871
Michael Chan993ac7b2009-10-10 13:46:56 +00009872#ifdef BCM_CNIC
9873
9874/* count denotes the number of new completions we have seen */
9875static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
9876{
9877 struct eth_spe *spe;
9878
9879#ifdef BNX2X_STOP_ON_ERROR
9880 if (unlikely(bp->panic))
9881 return;
9882#endif
9883
9884 spin_lock_bh(&bp->spq_lock);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009885 BUG_ON(bp->cnic_spq_pending < count);
Michael Chan993ac7b2009-10-10 13:46:56 +00009886 bp->cnic_spq_pending -= count;
9887
Michael Chan993ac7b2009-10-10 13:46:56 +00009888
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009889 for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
9890 u16 type = (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
9891 & SPE_HDR_CONN_TYPE) >>
9892 SPE_HDR_CONN_TYPE_SHIFT;
9893
9894 /* Set validation for iSCSI L2 client before sending SETUP
9895 * ramrod
9896 */
9897 if (type == ETH_CONNECTION_TYPE) {
9898 u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
9899 hdr.conn_and_cmd_data) >>
9900 SPE_HDR_CMD_ID_SHIFT) & 0xff;
9901
9902 if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
9903 bnx2x_set_ctx_validation(&bp->context.
9904 vcxt[BNX2X_ISCSI_ETH_CID].eth,
9905 HW_CID(bp, BNX2X_ISCSI_ETH_CID));
9906 }
9907
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009908 /* There may be not more than 8 L2 and not more than 8 L5 SPEs
9909 * We also check that the number of outstanding
9910 * COMMON ramrods is not more than the EQ and SPQ can
9911 * accommodate.
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009912 */
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009913 if (type == ETH_CONNECTION_TYPE) {
9914 if (!atomic_read(&bp->cq_spq_left))
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009915 break;
9916 else
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -08009917 atomic_dec(&bp->cq_spq_left);
9918 } else if (type == NONE_CONNECTION_TYPE) {
9919 if (!atomic_read(&bp->eq_spq_left))
9920 break;
9921 else
9922 atomic_dec(&bp->eq_spq_left);
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +00009923 } else if ((type == ISCSI_CONNECTION_TYPE) ||
9924 (type == FCOE_CONNECTION_TYPE)) {
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009925 if (bp->cnic_spq_pending >=
9926 bp->cnic_eth_dev.max_kwqe_pending)
9927 break;
9928 else
9929 bp->cnic_spq_pending++;
9930 } else {
9931 BNX2X_ERR("Unknown SPE type: %d\n", type);
9932 bnx2x_panic();
Michael Chan993ac7b2009-10-10 13:46:56 +00009933 break;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +00009934 }
Michael Chan993ac7b2009-10-10 13:46:56 +00009935
9936 spe = bnx2x_sp_get_next(bp);
9937 *spe = *bp->cnic_kwq_cons;
9938
Michael Chan993ac7b2009-10-10 13:46:56 +00009939 DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
9940 bp->cnic_spq_pending, bp->cnic_kwq_pending, count);
9941
9942 if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
9943 bp->cnic_kwq_cons = bp->cnic_kwq;
9944 else
9945 bp->cnic_kwq_cons++;
9946 }
9947 bnx2x_sp_prod_update(bp);
9948 spin_unlock_bh(&bp->spq_lock);
9949}
9950
9951static int bnx2x_cnic_sp_queue(struct net_device *dev,
9952 struct kwqe_16 *kwqes[], u32 count)
9953{
9954 struct bnx2x *bp = netdev_priv(dev);
9955 int i;
9956
9957#ifdef BNX2X_STOP_ON_ERROR
9958 if (unlikely(bp->panic))
9959 return -EIO;
9960#endif
9961
9962 spin_lock_bh(&bp->spq_lock);
9963
9964 for (i = 0; i < count; i++) {
9965 struct eth_spe *spe = (struct eth_spe *)kwqes[i];
9966
9967 if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
9968 break;
9969
9970 *bp->cnic_kwq_prod = *spe;
9971
9972 bp->cnic_kwq_pending++;
9973
9974 DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
9975 spe->hdr.conn_and_cmd_data, spe->hdr.type,
Dmitry Kravkov523224a2010-10-06 03:23:26 +00009976 spe->data.update_data_addr.hi,
9977 spe->data.update_data_addr.lo,
Michael Chan993ac7b2009-10-10 13:46:56 +00009978 bp->cnic_kwq_pending);
9979
9980 if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
9981 bp->cnic_kwq_prod = bp->cnic_kwq;
9982 else
9983 bp->cnic_kwq_prod++;
9984 }
9985
9986 spin_unlock_bh(&bp->spq_lock);
9987
9988 if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
9989 bnx2x_cnic_sp_post(bp, 0);
9990
9991 return i;
9992}
9993
9994static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
9995{
9996 struct cnic_ops *c_ops;
9997 int rc = 0;
9998
9999 mutex_lock(&bp->cnic_mutex);
Eric Dumazet13707f92011-01-26 19:28:23 +000010000 c_ops = rcu_dereference_protected(bp->cnic_ops,
10001 lockdep_is_held(&bp->cnic_mutex));
Michael Chan993ac7b2009-10-10 13:46:56 +000010002 if (c_ops)
10003 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10004 mutex_unlock(&bp->cnic_mutex);
10005
10006 return rc;
10007}
10008
10009static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
10010{
10011 struct cnic_ops *c_ops;
10012 int rc = 0;
10013
10014 rcu_read_lock();
10015 c_ops = rcu_dereference(bp->cnic_ops);
10016 if (c_ops)
10017 rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
10018 rcu_read_unlock();
10019
10020 return rc;
10021}
10022
10023/*
10024 * for commands that have no data
10025 */
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010026int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
Michael Chan993ac7b2009-10-10 13:46:56 +000010027{
10028 struct cnic_ctl_info ctl = {0};
10029
10030 ctl.cmd = cmd;
10031
10032 return bnx2x_cnic_ctl_send(bp, &ctl);
10033}
10034
10035static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
10036{
10037 struct cnic_ctl_info ctl;
10038
10039 /* first we tell CNIC and only then we count this as a completion */
10040 ctl.cmd = CNIC_CTL_COMPLETION_CMD;
10041 ctl.data.comp.cid = cid;
10042
10043 bnx2x_cnic_ctl_send_bh(bp, &ctl);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010044 bnx2x_cnic_sp_post(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010045}
10046
10047static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
10048{
10049 struct bnx2x *bp = netdev_priv(dev);
10050 int rc = 0;
10051
10052 switch (ctl->cmd) {
10053 case DRV_CTL_CTXTBL_WR_CMD: {
10054 u32 index = ctl->data.io.offset;
10055 dma_addr_t addr = ctl->data.io.dma_addr;
10056
10057 bnx2x_ilt_wr(bp, index, addr);
10058 break;
10059 }
10060
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010061 case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
10062 int count = ctl->data.credit.credit_count;
Michael Chan993ac7b2009-10-10 13:46:56 +000010063
10064 bnx2x_cnic_sp_post(bp, count);
10065 break;
10066 }
10067
10068 /* rtnl_lock is held. */
10069 case DRV_CTL_START_L2_CMD: {
10070 u32 cli = ctl->data.ring.client_id;
10071
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010072 /* Clear FCoE FIP and ALL ENODE MACs addresses first */
10073 bnx2x_del_fcoe_eth_macs(bp);
10074
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010075 /* Set iSCSI MAC address */
10076 bnx2x_set_iscsi_eth_mac_addr(bp, 1);
10077
10078 mmiowb();
10079 barrier();
10080
10081 /* Start accepting on iSCSI L2 ring. Accept all multicasts
10082 * because it's the only way for UIO Client to accept
10083 * multicasts (in non-promiscuous mode only one Client per
10084 * function will receive multicast packets (leading in our
10085 * case).
10086 */
10087 bnx2x_rxq_set_mac_filters(bp, cli,
10088 BNX2X_ACCEPT_UNICAST |
10089 BNX2X_ACCEPT_BROADCAST |
10090 BNX2X_ACCEPT_ALL_MULTICAST);
10091 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10092
Michael Chan993ac7b2009-10-10 13:46:56 +000010093 break;
10094 }
10095
10096 /* rtnl_lock is held. */
10097 case DRV_CTL_STOP_L2_CMD: {
10098 u32 cli = ctl->data.ring.client_id;
10099
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010100 /* Stop accepting on iSCSI L2 ring */
10101 bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
10102 storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
10103
10104 mmiowb();
10105 barrier();
10106
10107 /* Unset iSCSI L2 MAC */
10108 bnx2x_set_iscsi_eth_mac_addr(bp, 0);
Michael Chan993ac7b2009-10-10 13:46:56 +000010109 break;
10110 }
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010111 case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
10112 int count = ctl->data.credit.credit_count;
10113
10114 smp_mb__before_atomic_inc();
Vladislav Zolotarov6e30dd42011-02-06 11:25:41 -080010115 atomic_add(count, &bp->cq_spq_left);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010116 smp_mb__after_atomic_inc();
10117 break;
10118 }
Michael Chan993ac7b2009-10-10 13:46:56 +000010119
Dmitry Kravkovfab0dc82011-03-31 17:04:22 -070010120 case DRV_CTL_ISCSI_STOPPED_CMD: {
10121 bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
10122 break;
10123 }
10124
Michael Chan993ac7b2009-10-10 13:46:56 +000010125 default:
10126 BNX2X_ERR("unknown command %x\n", ctl->cmd);
10127 rc = -EINVAL;
10128 }
10129
10130 return rc;
10131}
10132
Dmitry Kravkov9f6c9252010-07-27 12:34:34 +000010133void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
Michael Chan993ac7b2009-10-10 13:46:56 +000010134{
10135 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10136
10137 if (bp->flags & USING_MSIX_FLAG) {
10138 cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
10139 cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
10140 cp->irq_arr[0].vector = bp->msix_table[1].vector;
10141 } else {
10142 cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
10143 cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
10144 }
Dmitry Kravkovf2e08992010-10-06 03:28:26 +000010145 if (CHIP_IS_E2(bp))
10146 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
10147 else
10148 cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;
10149
Michael Chan993ac7b2009-10-10 13:46:56 +000010150 cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010151 cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010152 cp->irq_arr[1].status_blk = bp->def_status_blk;
10153 cp->irq_arr[1].status_blk_num = DEF_SB_ID;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010154 cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010155
10156 cp->num_irq = 2;
10157}
10158
10159static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
10160 void *data)
10161{
10162 struct bnx2x *bp = netdev_priv(dev);
10163 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10164
10165 if (ops == NULL)
10166 return -EINVAL;
10167
10168 if (atomic_read(&bp->intr_sem) != 0)
10169 return -EBUSY;
10170
10171 bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
10172 if (!bp->cnic_kwq)
10173 return -ENOMEM;
10174
10175 bp->cnic_kwq_cons = bp->cnic_kwq;
10176 bp->cnic_kwq_prod = bp->cnic_kwq;
10177 bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;
10178
10179 bp->cnic_spq_pending = 0;
10180 bp->cnic_kwq_pending = 0;
10181
10182 bp->cnic_data = data;
10183
10184 cp->num_irq = 0;
10185 cp->drv_state = CNIC_DRV_STATE_REGD;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010186 cp->iro_arr = bp->iro_arr;
Michael Chan993ac7b2009-10-10 13:46:56 +000010187
Michael Chan993ac7b2009-10-10 13:46:56 +000010188 bnx2x_setup_cnic_irq_info(bp);
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010189
Michael Chan993ac7b2009-10-10 13:46:56 +000010190 rcu_assign_pointer(bp->cnic_ops, ops);
10191
10192 return 0;
10193}
10194
10195static int bnx2x_unregister_cnic(struct net_device *dev)
10196{
10197 struct bnx2x *bp = netdev_priv(dev);
10198 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10199
10200 mutex_lock(&bp->cnic_mutex);
Michael Chan993ac7b2009-10-10 13:46:56 +000010201 cp->drv_state = 0;
10202 rcu_assign_pointer(bp->cnic_ops, NULL);
10203 mutex_unlock(&bp->cnic_mutex);
10204 synchronize_rcu();
10205 kfree(bp->cnic_kwq);
10206 bp->cnic_kwq = NULL;
10207
10208 return 0;
10209}
10210
10211struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
10212{
10213 struct bnx2x *bp = netdev_priv(dev);
10214 struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
10215
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010216 /* If both iSCSI and FCoE are disabled - return NULL in
10217 * order to indicate CNIC that it should not try to work
10218 * with this device.
10219 */
10220 if (NO_ISCSI(bp) && NO_FCOE(bp))
10221 return NULL;
10222
Michael Chan993ac7b2009-10-10 13:46:56 +000010223 cp->drv_owner = THIS_MODULE;
10224 cp->chip_id = CHIP_ID(bp);
10225 cp->pdev = bp->pdev;
10226 cp->io_base = bp->regview;
10227 cp->io_base2 = bp->doorbells;
10228 cp->max_kwqe_pending = 8;
Dmitry Kravkov523224a2010-10-06 03:23:26 +000010229 cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010230 cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
10231 bnx2x_cid_ilt_lines(bp);
Michael Chan993ac7b2009-10-10 13:46:56 +000010232 cp->ctx_tbl_len = CNIC_ILT_LINES;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010233 cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
Michael Chan993ac7b2009-10-10 13:46:56 +000010234 cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
10235 cp->drv_ctl = bnx2x_drv_ctl;
10236 cp->drv_register_cnic = bnx2x_register_cnic;
10237 cp->drv_unregister_cnic = bnx2x_unregister_cnic;
Vladislav Zolotarovec6ba942010-12-13 05:44:01 +000010238 cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
10239 cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
10240 BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010241 cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;
Michael Chan993ac7b2009-10-10 13:46:56 +000010242
Vladislav Zolotarov2ba45142011-01-31 14:39:17 +000010243 if (NO_ISCSI_OOO(bp))
10244 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;
10245
10246 if (NO_ISCSI(bp))
10247 cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;
10248
10249 if (NO_FCOE(bp))
10250 cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;
10251
Dmitry Kravkovc2bff632010-10-06 03:33:18 +000010252 DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
10253 "starting cid %d\n",
10254 cp->ctx_blk_size,
10255 cp->ctx_tbl_offset,
10256 cp->ctx_tbl_len,
10257 cp->starting_cid);
Michael Chan993ac7b2009-10-10 13:46:56 +000010258 return cp;
10259}
10260EXPORT_SYMBOL(bnx2x_cnic_probe);
10261
10262#endif /* BCM_CNIC */
Vladislav Zolotarov94a78b72009-04-27 03:27:43 -070010263